clean up

Noticed this while debugging a test failure in #8673 which only occurs
with real S3 instead of mock S3: if you authenticate to S3 via
`AWS_PROFILE`, then it requires the `HOME` env var to be set so that it
can read inside the `~/.aws` directory.

The scrubber abstraction `StorageScrubber::scrubber_cli` in
`neon_fixtures.py` would otherwise not work. My earlier PR #6556 has
done similar things for the `neon_local` wrapper.

You can try:

```
aws sso login --profile dev
export ENABLE_REAL_S3_REMOTE_STORAGE=y REMOTE_STORAGE_S3_BUCKET=neon-github-ci-tests REMOTE_STORAGE_S3_REGION=eu-central-1 AWS_PROFILE=dev
RUST_BACKTRACE=1 BUILD_TYPE=debug DEFAULT_PG_VERSION=16 ./scripts/pytest -vv --tb=short -k test_scrubber_tenant_snapshot
```

before and after this patch: this patch fixes it.

.github/actionlint.yml

@@ -13,3 +13,4 @@ config-variables:
   - REMOTE_STORAGE_AZURE_CONTAINER
   - REMOTE_STORAGE_AZURE_REGION
   - SLACK_UPCOMING_RELEASE_CHANNEL_ID
+  - DEV_AWS_OIDC_ROLE_ARN

.github/workflows/benchmarking.yml

@@ -56,6 +56,10 @@ concurrency:
 jobs:
   bench:
     if: ${{ github.event.inputs.run_only_pgvector_tests == 'false' || github.event.inputs.run_only_pgvector_tests == null }}
+    permissions:
+      contents: write
+      statuses: write
+      id-token: write # Required for OIDC authentication in azure runners
     strategy:
       fail-fast: false
       matrix:
@@ -63,9 +67,13 @@ jobs:
           - DEFAULT_PG_VERSION: 16
             PLATFORM: "neon-staging"
             region_id: ${{ github.event.inputs.region_id || 'aws-us-east-2' }}
+            RUNNER: [ self-hosted, us-east-2, x64 ]
+            IMAGE: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:pinned
           - DEFAULT_PG_VERSION: 16
             PLATFORM: "azure-staging"
             region_id: 'azure-eastus2'
+            RUNNER: [ self-hosted, eastus2, x64 ]
+            IMAGE: neondatabase/build-tools:pinned
     env:
       TEST_PG_BENCH_DURATIONS_MATRIX: "300"
       TEST_PG_BENCH_SCALES_MATRIX: "10,100"
@@ -76,14 +84,21 @@ jobs:
       SAVE_PERF_REPORT: ${{ github.event.inputs.save_perf_report || ( github.ref_name == 'main' ) }}
       PLATFORM: ${{ matrix.PLATFORM }}
 
-    runs-on: [ self-hosted, us-east-2, x64 ]
+    runs-on: ${{ matrix.RUNNER }}
     container:
-      image: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:pinned
+      image: ${{ matrix.IMAGE }}
       options: --init
 
     steps:
     - uses: actions/checkout@v4
 
+    - name: Configure AWS credentials # necessary on Azure runners
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        aws-region: eu-central-1
+        role-to-assume: ${{ vars.DEV_AWS_OIDC_ROLE_ARN }}  
+        role-duration-seconds: 18000 # 5 hours
+
     - name: Download Neon artifact
       uses: ./.github/actions/download
       with:
@@ -161,6 +176,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    
     - name: Download Neon artifact
       uses: ./.github/actions/download
       with:
@@ -237,6 +253,9 @@ jobs:
       id: pgbench-compare-matrix
       run: |
         region_id_default=${{ env.DEFAULT_REGION_ID }}
+        runner_default='["self-hosted", "us-east-2", "x64"]'
+        runner_azure='["self-hosted", "eastus2", "x64"]'
+        image_default="369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:pinned"
         matrix='{
           "pg_version" : [
             16
@@ -250,16 +269,19 @@ jobs:
             "neonvm-captest-new"
           ],
           "db_size": [ "10gb" ],
-          "include": [{ "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-freetier",       "db_size": "3gb"  },
-                      { "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-new",            "db_size": "50gb" },
-                      { "pg_version": 16, "region_id": "azure-eastus2",          "platform": "neonvm-azure-captest-freetier", "db_size": "3gb"  },
-                      { "pg_version": 16, "region_id": "azure-eastus2",          "platform": "neonvm-azure-captest-new",      "db_size": "10gb" },
-                      { "pg_version": 16, "region_id": "azure-eastus2",          "platform": "neonvm-azure-captest-new",      "db_size": "50gb" },
-                      { "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-sharding-reuse", "db_size": "50gb" }]
+          "runner": ['"$runner_default"'],
+          "image": [ "'"$image_default"'" ],
+          "include": [{ "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-freetier",       "db_size": "3gb" ,"runner": '"$runner_default"', "image": "'"$image_default"'" },
+                      { "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-new",            "db_size": "10gb","runner": '"$runner_default"', "image": "'"$image_default"'" },
+                      { "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-new",            "db_size": "50gb","runner": '"$runner_default"', "image": "'"$image_default"'" },
+                      { "pg_version": 16, "region_id": "azure-eastus2",          "platform": "neonvm-azure-captest-freetier", "db_size": "3gb" ,"runner": '"$runner_azure"',   "image": "neondatabase/build-tools:pinned" },
+                      { "pg_version": 16, "region_id": "azure-eastus2",          "platform": "neonvm-azure-captest-new",      "db_size": "10gb","runner": '"$runner_azure"',   "image": "neondatabase/build-tools:pinned" },
+                      { "pg_version": 16, "region_id": "azure-eastus2",          "platform": "neonvm-azure-captest-new",      "db_size": "50gb","runner": '"$runner_azure"',   "image": "neondatabase/build-tools:pinned" },
+                      { "pg_version": 16, "region_id": "'"$region_id_default"'", "platform": "neonvm-captest-sharding-reuse", "db_size": "50gb","runner": '"$runner_default"', "image": "'"$image_default"'" }]
         }'
 
         if [ "$(date +%A)" = "Saturday" ]; then
-          matrix=$(echo "$matrix" | jq '.include += [{ "pg_version": 14, "region_id": "'"$region_id_default"'", "platform": "rds-postgres", "db_size": "10gb"}]')
+          matrix=$(echo "$matrix" | jq '.include += [{ "pg_version": 14, "region_id": "'"$region_id_default"'", "platform": "rds-postgres", "db_size": "10gb","runner": '"$runner_default"', "image": "'"$image_default"'" }]')
         fi
 
         echo "matrix=$(echo "$matrix" | jq --compact-output '.')" >> $GITHUB_OUTPUT
@@ -302,6 +324,10 @@ jobs:
   pgbench-compare:
     if: ${{ github.event.inputs.run_only_pgvector_tests == 'false' || github.event.inputs.run_only_pgvector_tests == null }}
     needs: [ generate-matrices ]
+    permissions:
+      contents: write
+      statuses: write
+      id-token: write # Required for OIDC authentication in azure runners
 
     strategy:
       fail-fast: false
@@ -317,9 +343,9 @@ jobs:
       SAVE_PERF_REPORT: ${{ github.event.inputs.save_perf_report || ( github.ref_name == 'main' ) }}
       PLATFORM: ${{ matrix.platform }}
 
-    runs-on: [ self-hosted, us-east-2, x64 ]
+    runs-on: ${{ matrix.runner }}
     container:
-      image: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:pinned
+      image: ${{ matrix.image }}
       options: --init
 
     # Increase timeout to 8h, default timeout is 6h
@@ -328,6 +354,13 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Configure AWS credentials # necessary on Azure runners
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        aws-region: eu-central-1
+        role-to-assume: ${{ vars.DEV_AWS_OIDC_ROLE_ARN }}
+        role-duration-seconds: 18000 # 5 hours
+        
     - name: Download Neon artifact
       uses: ./.github/actions/download
       with:
@@ -435,12 +468,20 @@ jobs:
         SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
 
   pgbench-pgvector:
+    permissions:
+      contents: write
+      statuses: write
+      id-token: write # Required for OIDC authentication in azure runners
     strategy:
       fail-fast: false
       matrix:
         include:
           - PLATFORM: "neonvm-captest-pgvector"
+            RUNNER: [ self-hosted, us-east-2, x64 ]
+            IMAGE: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:pinned
           - PLATFORM: "azure-captest-pgvector"
+            RUNNER: [ self-hosted, eastus2, x64 ]
+            IMAGE: neondatabase/build-tools:pinned
 
     env:
       TEST_PG_BENCH_DURATIONS_MATRIX: "15m"
@@ -453,9 +494,9 @@ jobs:
       SAVE_PERF_REPORT: ${{ github.event.inputs.save_perf_report || ( github.ref_name == 'main' ) }}
       PLATFORM: ${{ matrix.PLATFORM }}
 
-    runs-on: [ self-hosted, us-east-2, x64 ]
+    runs-on: ${{ matrix.RUNNER }}
     container:
-      image: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:pinned
+      image: ${{ matrix.IMAGE }}
       options: --init
 
     steps:
@@ -466,12 +507,12 @@ jobs:
     - name: Install postgresql-16 where pytest expects it
       run: |
         cd /home/nonroot
-        wget -q https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/libpq5_16.3-1.pgdg110%2B1_amd64.deb
-        wget -q https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-client-16_16.3-1.pgdg110%2B1_amd64.deb
-        wget -q https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-16_16.3-1.pgdg110%2B1_amd64.deb 
-        dpkg -x libpq5_16.3-1.pgdg110+1_amd64.deb pg
-        dpkg -x postgresql-client-16_16.3-1.pgdg110+1_amd64.deb pg
-        dpkg -x postgresql-16_16.3-1.pgdg110+1_amd64.deb pg
+        wget -q https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/libpq5_16.4-1.pgdg110%2B1_amd64.deb
+        wget -q https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-client-16_16.4-1.pgdg110%2B1_amd64.deb
+        wget -q https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-16_16.4-1.pgdg110%2B1_amd64.deb 
+        dpkg -x libpq5_16.4-1.pgdg110+1_amd64.deb pg
+        dpkg -x postgresql-client-16_16.4-1.pgdg110+1_amd64.deb pg
+        dpkg -x postgresql-16_16.4-1.pgdg110+1_amd64.deb pg
         mkdir -p /tmp/neon/pg_install/v16/bin
         ln -s /home/nonroot/pg/usr/lib/postgresql/16/bin/pgbench /tmp/neon/pg_install/v16/bin/pgbench  
         ln -s /home/nonroot/pg/usr/lib/postgresql/16/bin/psql /tmp/neon/pg_install/v16/bin/psql  
@@ -496,6 +537,13 @@ jobs:
         esac
 
         echo "connstr=${CONNSTR}" >> $GITHUB_OUTPUT
+        
+    - name: Configure AWS credentials # necessary on Azure runners to read/write from/to S3
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        aws-region: eu-central-1
+        role-to-assume: ${{ vars.DEV_AWS_OIDC_ROLE_ARN }}
+        role-duration-seconds: 18000 # 5 hours
 
     - name: Benchmark pgvector hnsw indexing
       uses: ./.github/actions/run-python-test-set
@@ -524,7 +572,7 @@ jobs:
         BENCHMARK_CONNSTR: ${{ steps.set-up-connstr.outputs.connstr }}
         VIP_VAP_ACCESS_TOKEN: "${{ secrets.VIP_VAP_ACCESS_TOKEN }}"
         PERF_TEST_RESULT_CONNSTR: "${{ secrets.PERF_TEST_RESULT_CONNSTR }}"
-
+    
     - name: Create Allure report
       if: ${{ !cancelled() }}
       uses: ./.github/actions/allure-report-generate

.github/workflows/neon_extra_builds.yml

@@ -149,8 +149,6 @@ jobs:
 
     env:
       BUILD_TYPE: release
-      # remove the cachepot wrapper and build without crate caches
-      RUSTC_WRAPPER: ""
       # build with incremental compilation produce partial results
       # so do not attempt to cache this build, also disable the incremental compilation
       CARGO_INCREMENTAL: 0

.github/workflows/pin-build-tools-image.yml

@@ -7,12 +7,20 @@ on:
         description: 'Source tag'
         required: true
         type: string
+      force:
+        description: 'Force the image to be pinned'
+        default: false
+        type: boolean
   workflow_call:
     inputs:
       from-tag:
         description: 'Source tag'
         required: true
         type: string
+      force:
+        description: 'Force the image to be pinned'
+        default: false
+        type: boolean
 
 defaults:
   run:
@@ -22,15 +30,18 @@ concurrency:
   group: pin-build-tools-image-${{ inputs.from-tag }}
   cancel-in-progress: false
 
+# No permission for GITHUB_TOKEN by default; the **minimal required** set of permissions should be granted in each job.
 permissions: {}
 
-jobs:
-  tag-image:
-    runs-on: ubuntu-22.04
+env:
+  FROM_TAG: ${{ inputs.from-tag }}
+  TO_TAG: pinned
 
-    env:
-      FROM_TAG: ${{ inputs.from-tag }}
-      TO_TAG: pinned
+jobs:
+  check-manifests:
+    runs-on: ubuntu-22.04
+    outputs:
+      skip: ${{ steps.check-manifests.outputs.skip }}
 
     steps:
       - name: Check if we really need to pin the image
@@ -47,27 +58,31 @@ jobs:
 
           echo "skip=${skip}" | tee -a $GITHUB_OUTPUT
 
+  tag-image:
+    needs: check-manifests
+
+    # use format(..) to catch both inputs.force = true AND inputs.force = 'true'
+    if: needs.check-manifests.outputs.skip == 'false' || format('{0}', inputs.force) == 'true'
+
+    runs-on: ubuntu-22.04
+
+    permissions:
+      id-token: write # for `azure/login`
+
+    steps:
       - uses: docker/login-action@v3
-        if: steps.check-manifests.outputs.skip == 'false'
+
         with:
           username: ${{ secrets.NEON_DOCKERHUB_USERNAME }}
           password: ${{ secrets.NEON_DOCKERHUB_PASSWORD }}
 
-      - name: Tag build-tools with `${{ env.TO_TAG }}` in Docker Hub
-        if: steps.check-manifests.outputs.skip == 'false'
-        run: |
-          docker buildx imagetools create -t neondatabase/build-tools:${TO_TAG} \
-                                             neondatabase/build-tools:${FROM_TAG}
-
       - uses: docker/login-action@v3
-        if: steps.check-manifests.outputs.skip == 'false'
         with:
           registry: 369495373322.dkr.ecr.eu-central-1.amazonaws.com
           username: ${{ secrets.AWS_ACCESS_KEY_DEV }}
           password: ${{ secrets.AWS_SECRET_KEY_DEV }}
 
       - name: Azure login
-        if: steps.check-manifests.outputs.skip == 'false'
         uses: azure/login@6c251865b4e6290e7b78be643ea2d005bc51f69a  # @v2.1.1
         with:
           client-id: ${{ secrets.AZURE_DEV_CLIENT_ID }}
@@ -75,13 +90,12 @@ jobs:
           subscription-id: ${{ secrets.AZURE_DEV_SUBSCRIPTION_ID }}
 
       - name: Login to ACR
-        if: steps.check-manifests.outputs.skip == 'false'
         run: |
           az acr login --name=neoneastus2
 
-      - name: Tag build-tools with `${{ env.TO_TAG }}` in ECR and ACR
-        if: steps.check-manifests.outputs.skip == 'false'
+      - name: Tag build-tools with `${{ env.TO_TAG }}` in Docker Hub, ECR, and ACR
         run: |
           docker buildx imagetools create -t 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:${TO_TAG} \
                                           -t neoneastus2.azurecr.io/neondatabase/build-tools:${TO_TAG} \
+                                          -t neondatabase/build-tools:${TO_TAG} \
                                              neondatabase/build-tools:${FROM_TAG}

Cargo.lock

@@ -484,7 +484,7 @@ dependencies = [
  "http 0.2.9",
  "http 1.1.0",
  "once_cell",
- "p256",
+ "p256 0.11.1",
  "percent-encoding",
  "ring 0.17.6",
  "sha2",
@@ -848,6 +848,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
 [[package]]
 name = "base64"
 version = "0.13.1"
@@ -971,9 +977,9 @@ checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 
 [[package]]
 name = "bytemuck"
-version = "1.16.0"
+version = "1.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78834c15cb5d5efe3452d58b1e8ba890dd62d21907f867f383358198e56ebca5"
+checksum = "102087e286b4677862ea56cf8fc58bb2cdfa8725c40ffb80fe3a008eb7f2fc83"
 
 [[package]]
 name = "byteorder"
@@ -1526,8 +1532,10 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
+ "generic-array",
  "rand_core 0.6.4",
  "subtle",
+ "zeroize",
 ]
 
 [[package]]
@@ -1621,6 +1629,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
 dependencies = [
  "const-oid",
+ "pem-rfc7468",
  "zeroize",
 ]
 
@@ -1720,6 +1729,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
+ "const-oid",
  "crypto-common",
  "subtle",
 ]
@@ -1771,11 +1781,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "413301934810f597c1d19ca71c8710e99a3f1ba28a0d2ebc01551a2daeea3c5c"
 dependencies = [
  "der 0.6.1",
- "elliptic-curve",
- "rfc6979",
+ "elliptic-curve 0.12.3",
+ "rfc6979 0.3.1",
  "signature 1.6.4",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.16.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
+dependencies = [
+ "der 0.7.8",
+ "digest",
+ "elliptic-curve 0.13.8",
+ "rfc6979 0.4.0",
+ "signature 2.2.0",
+ "spki 0.7.3",
+]
+
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -1788,16 +1812,36 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
 dependencies = [
- "base16ct",
+ "base16ct 0.1.1",
  "crypto-bigint 0.4.9",
  "der 0.6.1",
  "digest",
- "ff",
+ "ff 0.12.1",
  "generic-array",
- "group",
- "pkcs8",
+ "group 0.12.1",
+ "pkcs8 0.9.0",
  "rand_core 0.6.4",
- "sec1",
+ "sec1 0.3.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "elliptic-curve"
+version = "0.13.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
+dependencies = [
+ "base16ct 0.2.0",
+ "crypto-bigint 0.5.5",
+ "digest",
+ "ff 0.13.0",
+ "generic-array",
+ "group 0.13.0",
+ "pem-rfc7468",
+ "pkcs8 0.10.2",
+ "rand_core 0.6.4",
+ "sec1 0.7.3",
  "subtle",
  "zeroize",
 ]
@@ -1951,6 +1995,16 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "ff"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
+dependencies = [
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "filetime"
 version = "0.2.22"
@@ -2148,6 +2202,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -2214,7 +2269,18 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
 dependencies = [
- "ff",
+ "ff 0.12.1",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff 0.13.0",
  "rand_core 0.6.4",
  "subtle",
 ]
@@ -2776,6 +2842,42 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "jose-b64"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bec69375368709666b21c76965ce67549f2d2db7605f1f8707d17c9656801b56"
+dependencies = [
+ "base64ct",
+ "serde",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "jose-jwa"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ab78e053fe886a351d67cf0d194c000f9d0dcb92906eb34d853d7e758a4b3a7"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "jose-jwk"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "280fa263807fe0782ecb6f2baadc28dffc04e00558a58e33bfdb801d11fd58e7"
+dependencies = [
+ "jose-b64",
+ "jose-jwa",
+ "p256 0.13.2",
+ "p384",
+ "rsa",
+ "serde",
+ "zeroize",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.69"
@@ -2835,6 +2937,9 @@ name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+dependencies = [
+ "spin 0.5.2",
+]
 
 [[package]]
 name = "lazycell"
@@ -3204,6 +3309,23 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-bigint-dig"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc84195820f291c7697304f3cbdadd1cb7199c0efc917ff5eafd71225c136151"
+dependencies = [
+ "byteorder",
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand 0.8.5",
+ "smallvec",
+ "zeroize",
+]
+
 [[package]]
 name = "num-complex"
 version = "0.4.4"
@@ -3481,11 +3603,33 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51f44edd08f51e2ade572f141051021c5af22677e42b7dd28a88155151c33594"
 dependencies = [
- "ecdsa",
- "elliptic-curve",
+ "ecdsa 0.14.8",
+ "elliptic-curve 0.12.3",
  "sha2",
 ]
 
+[[package]]
+name = "p256"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
+dependencies = [
+ "ecdsa 0.16.9",
+ "elliptic-curve 0.13.8",
+ "primeorder",
+ "sha2",
+]
+
+[[package]]
+name = "p384"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70786f51bcc69f6a4c0360e063a4cac5419ef7c5cd5b3c99ad70f3be5ba79209"
+dependencies = [
+ "elliptic-curve 0.13.8",
+ "primeorder",
+]
+
 [[package]]
 name = "pagebench"
 version = "0.1.0"
@@ -3847,6 +3991,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
@@ -3863,6 +4016,29 @@ dependencies = [
  "indexmap 1.9.3",
 ]
 
+[[package]]
+name = "pg_sni_router"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "futures",
+ "git-version",
+ "itertools 0.10.5",
+ "pq_proto",
+ "proxy-core",
+ "proxy-sasl",
+ "rustls 0.22.4",
+ "rustls-pemfile 2.1.1",
+ "socket2 0.5.5",
+ "tokio",
+ "tokio-util",
+ "tracing",
+ "tracing-utils",
+ "utils",
+ "uuid",
+]
+
 [[package]]
 name = "phf"
 version = "0.11.1"
@@ -3913,6 +4089,17 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs1"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der 0.7.8",
+ "pkcs8 0.10.2",
+ "spki 0.7.3",
+]
+
 [[package]]
 name = "pkcs8"
 version = "0.9.0"
@@ -3923,6 +4110,16 @@ dependencies = [
  "spki 0.6.0",
 ]
 
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der 0.7.8",
+ "spki 0.7.3",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.27"
@@ -4116,6 +4313,15 @@ dependencies = [
  "syn 2.0.52",
 ]
 
+[[package]]
+name = "primeorder"
+version = "0.13.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
+dependencies = [
+ "elliptic-curve 0.13.8",
+]
+
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.20+deprecated"
@@ -4230,9 +4436,38 @@ dependencies = [
 [[package]]
 name = "proxy"
 version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "aws-config",
+ "clap",
+ "futures",
+ "git-version",
+ "humantime",
+ "itertools 0.10.5",
+ "metrics",
+ "pq_proto",
+ "proxy-core",
+ "proxy-sasl",
+ "remote_storage",
+ "rustls 0.22.4",
+ "rustls-pemfile 2.1.1",
+ "socket2 0.5.5",
+ "tikv-jemallocator",
+ "tokio",
+ "tokio-util",
+ "tracing",
+ "tracing-utils",
+ "utils",
+ "uuid",
+]
+
+[[package]]
+name = "proxy-core"
+version = "0.1.0"
 dependencies = [
  "ahash",
  "anyhow",
+ "arc-swap",
  "async-compression",
  "async-trait",
  "atomic-take",
@@ -4250,11 +4485,11 @@ dependencies = [
  "consumption_metrics",
  "crossbeam-deque",
  "dashmap",
+ "ecdsa 0.16.9",
  "env_logger",
  "fallible-iterator",
  "framed-websockets",
  "futures",
- "git-version",
  "hashbrown 0.14.5",
  "hashlink",
  "hex",
@@ -4270,12 +4505,14 @@ dependencies = [
  "indexmap 2.0.1",
  "ipnet",
  "itertools 0.10.5",
+ "jose-jwa",
+ "jose-jwk",
  "lasso",
  "md5",
  "measured",
  "metrics",
  "once_cell",
- "opentelemetry",
+ "p256 0.13.2",
  "parking_lot 0.12.1",
  "parquet",
  "parquet_derive",
@@ -4284,7 +4521,7 @@ dependencies = [
  "postgres-protocol",
  "postgres_backend",
  "pq_proto",
- "prometheus",
+ "proxy-sasl",
  "rand 0.8.5",
  "rand_distr",
  "rcgen",
@@ -4296,6 +4533,7 @@ dependencies = [
  "reqwest-retry",
  "reqwest-tracing",
  "routerify",
+ "rsa",
  "rstest",
  "rustc-hash",
  "rustls 0.22.4",
@@ -4305,6 +4543,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sha2",
+ "signature 2.2.0",
  "smallvec",
  "smol_str",
  "socket2 0.5.5",
@@ -4312,7 +4551,6 @@ dependencies = [
  "task-local-extensions",
  "thiserror",
  "tikv-jemalloc-ctl",
- "tikv-jemallocator",
  "tokio",
  "tokio-postgres",
  "tokio-postgres-rustls",
@@ -4335,6 +4573,35 @@ dependencies = [
  "x509-parser",
 ]
 
+[[package]]
+name = "proxy-sasl"
+version = "0.1.0"
+dependencies = [
+ "ahash",
+ "anyhow",
+ "base64 0.13.1",
+ "bytes",
+ "crossbeam-deque",
+ "hmac",
+ "itertools 0.10.5",
+ "lasso",
+ "measured",
+ "parking_lot 0.12.1",
+ "pbkdf2",
+ "postgres-protocol",
+ "pq_proto",
+ "rand 0.8.5",
+ "rustls 0.22.4",
+ "sha2",
+ "subtle",
+ "thiserror",
+ "tokio",
+ "tracing",
+ "uuid",
+ "workspace_hack",
+ "x509-parser",
+]
+
 [[package]]
 name = "quick-xml"
 version = "0.31.0"
@@ -4807,6 +5074,16 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rfc6979"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
+dependencies = [
+ "hmac",
+ "subtle",
+]
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -4867,6 +5144,26 @@ dependencies = [
  "archery",
 ]
 
+[[package]]
+name = "rsa"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d0e5124fcb30e76a7e79bfee683a2746db83784b86289f6251b54b7950a0dfc"
+dependencies = [
+ "const-oid",
+ "digest",
+ "num-bigint-dig",
+ "num-integer",
+ "num-traits",
+ "pkcs1",
+ "pkcs8 0.10.2",
+ "rand_core 0.6.4",
+ "signature 2.2.0",
+ "spki 0.7.3",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rstest"
 version = "0.18.2"
@@ -5195,10 +5492,24 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
 dependencies = [
- "base16ct",
+ "base16ct 0.1.1",
  "der 0.6.1",
  "generic-array",
- "pkcs8",
+ "pkcs8 0.9.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "sec1"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
+dependencies = [
+ "base16ct 0.2.0",
+ "der 0.7.8",
+ "generic-array",
+ "pkcs8 0.10.2",
  "subtle",
  "zeroize",
 ]
@@ -5545,6 +5856,7 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
+ "digest",
  "rand_core 0.6.4",
 ]
 
@@ -7379,13 +7691,17 @@ dependencies = [
  "clap",
  "clap_builder",
  "crossbeam-utils",
+ "crypto-bigint 0.5.5",
+ "der 0.7.8",
  "deranged",
+ "digest",
  "either",
  "fail",
  "futures-channel",
  "futures-executor",
  "futures-io",
  "futures-util",
+ "generic-array",
  "getrandom 0.2.11",
  "hashbrown 0.14.5",
  "hex",
@@ -7393,6 +7709,7 @@ dependencies = [
  "hyper 0.14.26",
  "indexmap 1.9.3",
  "itertools 0.10.5",
+ "lazy_static",
  "libc",
  "log",
  "memchr",
@@ -7416,7 +7733,9 @@ dependencies = [
  "serde",
  "serde_json",
  "sha2",
+ "signature 2.2.0",
  "smallvec",
+ "spki 0.7.3",
  "subtle",
  "syn 1.0.109",
  "syn 2.0.52",
@@ -7527,6 +7846,7 @@ version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
 dependencies = [
+ "serde",
  "zeroize_derive",
 ]
 

Cargo.toml

@@ -9,7 +9,10 @@ members = [
     "pageserver/ctl",
     "pageserver/client",
     "pageserver/pagebench",
-    "proxy",
+    "proxy/core",
+    "proxy/sasl",
+    "proxy/proxy",
+    "proxy/pg_sni_router",
     "safekeeper",
     "storage_broker",
     "storage_controller",

Dockerfile

@@ -17,7 +17,7 @@ COPY --chown=nonroot pgxn pgxn
 COPY --chown=nonroot Makefile Makefile
 COPY --chown=nonroot scripts/ninstall.sh scripts/ninstall.sh
 
-ENV BUILD_TYPE release
+ENV BUILD_TYPE=release
 RUN set -e \
     && mold -run make -j $(nproc) -s neon-pg-ext \
     && rm -rf pg_install/build \
@@ -29,24 +29,12 @@ WORKDIR /home/nonroot
 ARG GIT_VERSION=local
 ARG BUILD_TAG
 
-# Enable https://github.com/paritytech/cachepot to cache Rust crates' compilation results in Docker builds.
-# Set up cachepot to use an AWS S3 bucket for cache results, to reuse it between `docker build` invocations.
-# cachepot falls back to local filesystem if S3 is misconfigured, not failing the build
-ARG RUSTC_WRAPPER=cachepot
-ENV AWS_REGION=eu-central-1
-ENV CACHEPOT_S3_KEY_PREFIX=cachepot
-ARG CACHEPOT_BUCKET=neon-github-dev
-#ARG AWS_ACCESS_KEY_ID
-#ARG AWS_SECRET_ACCESS_KEY
-
 COPY --from=pg-build /home/nonroot/pg_install/v14/include/postgresql/server pg_install/v14/include/postgresql/server
 COPY --from=pg-build /home/nonroot/pg_install/v15/include/postgresql/server pg_install/v15/include/postgresql/server
 COPY --from=pg-build /home/nonroot/pg_install/v16/include/postgresql/server pg_install/v16/include/postgresql/server
 COPY --from=pg-build /home/nonroot/pg_install/v16/lib                       pg_install/v16/lib
 COPY --chown=nonroot . .
 
-# Show build caching stats to check if it was used in the end.
-# Has to be the part of the same RUN since cachepot daemon is killed in the end of this RUN, losing the compilation stats.
 RUN set -e \
     && PQ_LIB_DIR=$(pwd)/pg_install/v16/lib RUSTFLAGS="-Clinker=clang -Clink-arg=-fuse-ld=mold -Clink-arg=-Wl,--no-rosegment" cargo build \
       --bin pg_sni_router  \
@@ -58,8 +46,7 @@ RUN set -e \
       --bin proxy  \
       --bin neon_local \
       --bin storage_scrubber \
-      --locked --release \
-    && cachepot -s
+      --locked --release
 
 # Build final image
 #
@@ -104,7 +91,7 @@ RUN mkdir -p /data/.neon/ && \
 
 # When running a binary that links with libpq, default to using our most recent postgres version.  Binaries
 # that want a particular postgres version will select it explicitly: this is just a default.
-ENV LD_LIBRARY_PATH /usr/local/v16/lib
+ENV LD_LIBRARY_PATH=/usr/local/v16/lib
 
 
 VOLUME ["/data"]
@@ -112,5 +99,5 @@ USER neon
 EXPOSE 6400
 EXPOSE 9898
 
-CMD /usr/local/bin/pageserver -D /data/.neon
+CMD ["/usr/local/bin/pageserver", "-D", "/data/.neon"]
 

Dockerfile.build-tools

@@ -58,7 +58,7 @@ RUN set -e \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # protobuf-compiler (protoc)
-ENV PROTOC_VERSION 25.1
+ENV PROTOC_VERSION=25.1
 RUN curl -fsSL "https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-$(uname -m | sed 's/aarch64/aarch_64/g').zip" -o "protoc.zip" \
     && unzip -q protoc.zip -d protoc \
     && mv protoc/bin/protoc /usr/local/bin/protoc \
@@ -99,7 +99,7 @@ RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-$(uname -m).zip" -o "aws
     && rm awscliv2.zip
 
 # Mold: A Modern Linker
-ENV MOLD_VERSION v2.31.0
+ENV MOLD_VERSION=v2.33.0
 RUN set -e \
     && git clone https://github.com/rui314/mold.git \
     && mkdir mold/build \
@@ -168,7 +168,7 @@ USER nonroot:nonroot
 WORKDIR /home/nonroot
 
 # Python
-ENV PYTHON_VERSION=3.9.18 \
+ENV PYTHON_VERSION=3.9.19 \
     PYENV_ROOT=/home/nonroot/.pyenv \
     PATH=/home/nonroot/.pyenv/shims:/home/nonroot/.pyenv/bin:/home/nonroot/.poetry/bin:$PATH
 RUN set -e \
@@ -192,9 +192,14 @@ WORKDIR /home/nonroot
 
 # Rust
 # Please keep the version of llvm (installed above) in sync with rust llvm (`rustc --version --verbose | grep LLVM`)
-ENV RUSTC_VERSION=1.80.0
+ENV RUSTC_VERSION=1.80.1
 ENV RUSTUP_HOME="/home/nonroot/.rustup"
 ENV PATH="/home/nonroot/.cargo/bin:${PATH}"
+ARG RUSTFILT_VERSION=0.2.1
+ARG CARGO_HAKARI_VERSION=0.9.30
+ARG CARGO_DENY_VERSION=0.16.1
+ARG CARGO_HACK_VERSION=0.6.31
+ARG CARGO_NEXTEST_VERSION=0.9.72
 RUN curl -sSO https://static.rust-lang.org/rustup/dist/$(uname -m)-unknown-linux-gnu/rustup-init && whoami && \
 	chmod +x rustup-init && \
 	./rustup-init -y --default-toolchain ${RUSTC_VERSION} && \
@@ -203,15 +208,13 @@ RUN curl -sSO https://static.rust-lang.org/rustup/dist/$(uname -m)-unknown-linux
     . "$HOME/.cargo/env" && \
     cargo --version && rustup --version && \
     rustup component add llvm-tools-preview rustfmt clippy && \
-    cargo install --git https://github.com/paritytech/cachepot && \
-    cargo install rustfilt && \
-    cargo install cargo-hakari && \
-    cargo install cargo-deny --locked && \
-    cargo install cargo-hack && \
-    cargo install cargo-nextest && \
+    cargo install rustfilt            --version ${RUSTFILT_VERSION} && \
+    cargo install cargo-hakari        --version ${CARGO_HAKARI_VERSION} && \
+    cargo install cargo-deny --locked --version ${CARGO_DENY_VERSION} && \
+    cargo install cargo-hack          --version ${CARGO_HACK_VERSION} && \
+    cargo install cargo-nextest       --version ${CARGO_NEXTEST_VERSION} && \
     rm -rf /home/nonroot/.cargo/registry && \
     rm -rf /home/nonroot/.cargo/git
-ENV RUSTC_WRAPPER=cachepot
 
 # Show versions
 RUN whoami \

Dockerfile.compute-node

@@ -94,7 +94,7 @@ RUN wget https://gitlab.com/Oslandia/SFCGAL/-/archive/v1.3.10/SFCGAL-v1.3.10.tar
     DESTDIR=/sfcgal make install -j $(getconf _NPROCESSORS_ONLN) && \
     make clean && cp -R /sfcgal/* /
 
-ENV PATH "/usr/local/pgsql/bin:$PATH"
+ENV PATH="/usr/local/pgsql/bin:$PATH"
 
 RUN wget https://download.osgeo.org/postgis/source/postgis-3.3.3.tar.gz -O postgis.tar.gz && \
     echo "74eb356e3f85f14233791013360881b6748f78081cc688ff9d6f0f673a762d13 postgis.tar.gz" | sha256sum --check && \
@@ -411,7 +411,7 @@ FROM build-deps AS timescaledb-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
 ARG PG_VERSION
-ENV PATH "/usr/local/pgsql/bin:$PATH"
+ENV PATH="/usr/local/pgsql/bin:$PATH"
 
 RUN case "${PG_VERSION}" in \
       "v14" | "v15") \
@@ -444,7 +444,7 @@ FROM build-deps AS pg-hint-plan-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
 ARG PG_VERSION
-ENV PATH "/usr/local/pgsql/bin:$PATH"
+ENV PATH="/usr/local/pgsql/bin:$PATH"
 
 RUN case "${PG_VERSION}" in \
       "v14") \
@@ -480,7 +480,7 @@ RUN case "${PG_VERSION}" in \
 FROM build-deps AS pg-cron-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/citusdata/pg_cron/archive/refs/tags/v1.6.0.tar.gz -O pg_cron.tar.gz && \
     echo "383a627867d730222c272bfd25cd5e151c578d73f696d32910c7db8c665cc7db pg_cron.tar.gz" | sha256sum --check && \
     mkdir pg_cron-src && cd pg_cron-src && tar xzf ../pg_cron.tar.gz --strip-components=1 -C . && \
@@ -506,7 +506,7 @@ RUN apt-get update && \
         libboost-system1.74-dev \
         libeigen3-dev
 
-ENV PATH "/usr/local/pgsql/bin/:/usr/local/pgsql/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:/usr/local/pgsql/:$PATH"
 RUN wget https://github.com/rdkit/rdkit/archive/refs/tags/Release_2023_03_3.tar.gz -O rdkit.tar.gz && \
     echo "bdbf9a2e6988526bfeb8c56ce3cdfe2998d60ac289078e2215374288185e8c8d rdkit.tar.gz" | sha256sum --check && \
     mkdir rdkit-src && cd rdkit-src && tar xzf ../rdkit.tar.gz --strip-components=1 -C . && \
@@ -546,7 +546,7 @@ RUN wget https://github.com/rdkit/rdkit/archive/refs/tags/Release_2023_03_3.tar.
 FROM build-deps AS pg-uuidv7-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/fboulnois/pg_uuidv7/archive/refs/tags/v1.0.1.tar.gz -O pg_uuidv7.tar.gz && \
     echo "0d0759ab01b7fb23851ecffb0bce27822e1868a4a5819bfd276101c716637a7a pg_uuidv7.tar.gz" | sha256sum --check && \
     mkdir pg_uuidv7-src && cd pg_uuidv7-src && tar xzf ../pg_uuidv7.tar.gz --strip-components=1 -C . && \
@@ -563,7 +563,7 @@ RUN wget https://github.com/fboulnois/pg_uuidv7/archive/refs/tags/v1.0.1.tar.gz
 FROM build-deps AS pg-roaringbitmap-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/ChenHuajun/pg_roaringbitmap/archive/refs/tags/v0.5.4.tar.gz -O pg_roaringbitmap.tar.gz && \
     echo "b75201efcb1c2d1b014ec4ae6a22769cc7a224e6e406a587f5784a37b6b5a2aa pg_roaringbitmap.tar.gz" | sha256sum --check && \
     mkdir pg_roaringbitmap-src && cd pg_roaringbitmap-src && tar xzf ../pg_roaringbitmap.tar.gz --strip-components=1 -C . && \
@@ -580,7 +580,7 @@ RUN wget https://github.com/ChenHuajun/pg_roaringbitmap/archive/refs/tags/v0.5.4
 FROM build-deps AS pg-semver-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/theory/pg-semver/archive/refs/tags/v0.32.1.tar.gz -O pg_semver.tar.gz && \
     echo "fbdaf7512026d62eec03fad8687c15ed509b6ba395bff140acd63d2e4fbe25d7 pg_semver.tar.gz" | sha256sum --check && \
     mkdir pg_semver-src && cd pg_semver-src && tar xzf ../pg_semver.tar.gz --strip-components=1 -C . && \
@@ -598,7 +598,7 @@ FROM build-deps AS pg-embedding-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
 ARG PG_VERSION
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN case "${PG_VERSION}" in \
       "v14" | "v15") \
         export PG_EMBEDDING_VERSION=0.3.5 \
@@ -622,7 +622,7 @@ RUN case "${PG_VERSION}" in \
 FROM build-deps AS pg-anon-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget  https://github.com/neondatabase/postgresql_anonymizer/archive/refs/tags/neon_1.1.1.tar.gz -O pg_anon.tar.gz && \
     echo "321ea8d5c1648880aafde850a2c576e4a9e7b9933a34ce272efc839328999fa9  pg_anon.tar.gz" | sha256sum --check && \
     mkdir pg_anon-src && cd pg_anon-src && tar xzf ../pg_anon.tar.gz --strip-components=1 -C . && \
@@ -750,7 +750,7 @@ RUN wget https://github.com/pksunkara/pgx_ulid/archive/refs/tags/v0.1.5.tar.gz -
 FROM build-deps AS wal2json-pg-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/eulerto/wal2json/archive/refs/tags/wal2json_2_5.tar.gz && \
     echo "b516653575541cf221b99cf3f8be9b6821f6dbcfc125675c85f35090f824f00e wal2json_2_5.tar.gz" | sha256sum --check && \
     mkdir wal2json-src && cd wal2json-src && tar xzf ../wal2json_2_5.tar.gz --strip-components=1 -C . && \
@@ -766,7 +766,7 @@ RUN wget https://github.com/eulerto/wal2json/archive/refs/tags/wal2json_2_5.tar.
 FROM build-deps AS pg-ivm-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/sraoss/pg_ivm/archive/refs/tags/v1.7.tar.gz -O pg_ivm.tar.gz && \
     echo "ebfde04f99203c7be4b0e873f91104090e2e83e5429c32ac242d00f334224d5e pg_ivm.tar.gz" | sha256sum --check && \
     mkdir pg_ivm-src && cd pg_ivm-src && tar xzf ../pg_ivm.tar.gz --strip-components=1 -C . && \
@@ -783,7 +783,7 @@ RUN wget https://github.com/sraoss/pg_ivm/archive/refs/tags/v1.7.tar.gz -O pg_iv
 FROM build-deps AS pg-partman-build
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-ENV PATH "/usr/local/pgsql/bin/:$PATH"
+ENV PATH="/usr/local/pgsql/bin/:$PATH"
 RUN wget https://github.com/pgpartman/pg_partman/archive/refs/tags/v5.0.1.tar.gz -O pg_partman.tar.gz && \
     echo "75b541733a9659a6c90dbd40fccb904a630a32880a6e3044d0c4c5f4c8a65525 pg_partman.tar.gz" | sha256sum --check && \
     mkdir pg_partman-src && cd pg_partman-src && tar xzf ../pg_partman.tar.gz --strip-components=1 -C . && \
@@ -1034,6 +1034,6 @@ RUN apt update &&  \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
     localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
 
-ENV LANG en_US.utf8
+ENV LANG=en_US.utf8
 USER postgres
 ENTRYPOINT ["/usr/local/bin/compute_ctl"]

control_plane/src/local_env.rs

@@ -158,6 +158,8 @@ pub struct NeonStorageControllerConf {
 
     /// Threshold for auto-splitting a tenant into shards
     pub split_threshold: Option<u64>,
+
+    pub max_secondary_lag_bytes: Option<u64>,
 }
 
 impl NeonStorageControllerConf {
@@ -173,6 +175,7 @@ impl Default for NeonStorageControllerConf {
             max_offline: Self::DEFAULT_MAX_OFFLINE_INTERVAL,
             max_warming_up: Self::DEFAULT_MAX_WARMING_UP_INTERVAL,
             split_threshold: None,
+            max_secondary_lag_bytes: None,
         }
     }
 }

control_plane/src/storage_controller.rs

@@ -383,6 +383,10 @@ impl StorageController {
             args.push(format!("--split-threshold={split_threshold}"))
         }
 
+        if let Some(lag) = self.config.max_secondary_lag_bytes.as_ref() {
+            args.push(format!("--max-secondary-lag-bytes={lag}"))
+        }
+
         args.push(format!(
             "--neon-local-repo-dir={}",
             self.env.base_data_dir.display()

deny.toml

@@ -4,6 +4,7 @@
 # to your expectations and requirements.
 
 # Root options
+[graph]
 targets = [
     { triple = "x86_64-unknown-linux-gnu" },
     { triple = "aarch64-unknown-linux-gnu" },
@@ -12,6 +13,7 @@ targets = [
 ]
 all-features = false
 no-default-features = false
+[output]
 feature-depth = 1
 
 # This section is considered when running `cargo deny check advisories`
@@ -19,17 +21,16 @@ feature-depth = 1
 # https://embarkstudios.github.io/cargo-deny/checks/advisories/cfg.html
 [advisories]
 db-urls = ["https://github.com/rustsec/advisory-db"]
-vulnerability = "deny"
-unmaintained = "warn"
 yanked = "warn"
-notice = "warn"
-ignore = []
+
+[[advisories.ignore]]
+id = "RUSTSEC-2023-0071"
+reason = "the marvin attack only affects private key decryption, not public key signature verification"
 
 # This section is considered when running `cargo deny check licenses`
 # More documentation for the licenses section can be found here:
 # https://embarkstudios.github.io/cargo-deny/checks/licenses/cfg.html
 [licenses]
-unlicensed = "deny"
 allow = [
     "Apache-2.0",
     "Artistic-2.0",
@@ -42,10 +43,6 @@ allow = [
     "OpenSSL",
     "Unicode-DFS-2016",
 ]
-deny = []
-copyleft = "warn"
-allow-osi-fsf-free = "neither"
-default = "deny"
 confidence-threshold = 0.8
 exceptions = [
     # Zlib license has some restrictions if we decide to change sth

docs/SUMMARY.md

@@ -1,13 +1,18 @@
 # Summary
 
+# Looking for `neon.tech` docs?
+
+This page linkes to a selection of technical content about the open source code in this repository.
+
+Please visit https://neon.tech/docs for documentation about using the Neon service, which is based on the code
+in this repository.
+
+# Architecture
+
 [Introduction]()
 - [Separation of Compute and Storage](./separation-compute-storage.md)
 
-# Architecture
-
 - [Compute]()
-  - [WAL proposer]()
-  - [WAL Backpressure]()
   - [Postgres changes](./core_changes.md)
 
 - [Pageserver](./pageserver.md)
@@ -16,33 +21,15 @@
     - [WAL Redo](./pageserver-walredo.md)
     - [Page cache](./pageserver-pagecache.md)
     - [Storage](./pageserver-storage.md)
-        - [Datadir mapping]()
-        - [Layer files]()
-        - [Branching]()
-        - [Garbage collection]()
-    - [Cloud Storage]()
     - [Processing a GetPage request](./pageserver-processing-getpage.md)
     - [Processing WAL](./pageserver-processing-wal.md)
-	- [Management API]()
-	- [Tenant Rebalancing]()
 
 - [WAL Service](walservice.md)
   - [Consensus protocol](safekeeper-protocol.md)
-  - [Management API]()
-  - [Rebalancing]()
-
-- [Control Plane]()
-
-- [Proxy]()
 
 - [Source view](./sourcetree.md)
   - [docker.md](./docker.md) — Docker images and building pipeline.
   - [Error handling and logging](./error-handling.md)
-  - [Testing]()
-    - [Unit testing]()
-    - [Integration testing]()
-    - [Benchmarks]()
-
 
 - [Glossary](./glossary.md)
 
@@ -58,28 +45,6 @@
 
 # RFCs
 
-- [RFCs](./rfcs/README.md)
-
-- [002-storage](rfcs/002-storage.md)
-- [003-laptop-cli](rfcs/003-laptop-cli.md)
-- [004-durability](rfcs/004-durability.md)
-- [005-zenith_local](rfcs/005-zenith_local.md)
-- [006-laptop-cli-v2-CLI](rfcs/006-laptop-cli-v2-CLI.md)
-- [006-laptop-cli-v2-repository-structure](rfcs/006-laptop-cli-v2-repository-structure.md)
-- [007-serverless-on-laptop](rfcs/007-serverless-on-laptop.md)
-- [008-push-pull](rfcs/008-push-pull.md)
-- [009-snapshot-first-storage-cli](rfcs/009-snapshot-first-storage-cli.md)
-- [009-snapshot-first-storage](rfcs/009-snapshot-first-storage.md)
-- [009-snapshot-first-storage-pitr](rfcs/009-snapshot-first-storage-pitr.md)
-- [010-storage_details](rfcs/010-storage_details.md)
-- [011-retention-policy](rfcs/011-retention-policy.md)
-- [012-background-tasks](rfcs/012-background-tasks.md)
-- [013-term-history](rfcs/013-term-history.md)
-- [014-safekeepers-gossip](rfcs/014-safekeepers-gossip.md)
-- [014-storage-lsm](rfcs/014-storage-lsm.md)
-- [015-storage-messaging](rfcs/015-storage-messaging.md)
-- [016-connection-routing](rfcs/016-connection-routing.md)
-- [017-timeline-data-management](rfcs/017-timeline-data-management.md)
-- [018-storage-messaging-2](rfcs/018-storage-messaging-2.md)
-- [019-tenant-timeline-lifecycles](rfcs/019-tenant-timeline-lifecycles.md)
-- [cluster-size-limits](rfcs/cluster-size-limits.md)
+Major changes are documented in RFCS:
+- See [RFCs](./rfcs/README.md) for more information
+- view the RFCs at https://github.com/neondatabase/neon/tree/main/docs/rfcs

libs/utils/src/lib.rs

@@ -128,7 +128,7 @@ pub mod circuit_breaker;
 ///
 /// #############################################################################################
 /// TODO this macro is not the way the library is intended to be used, see <https://github.com/neondatabase/neon/issues/1565> for details.
-/// We use `cachepot` to reduce our current CI build times: <https://github.com/neondatabase/cloud/pull/1033#issuecomment-1100935036>
+/// We used `cachepot` to reduce our current CI build times: <https://github.com/neondatabase/cloud/pull/1033#issuecomment-1100935036>
 /// Yet, it seems to ignore the GIT_VERSION env variable, passed to Docker build, even with build.rs that contains
 /// `println!("cargo:rerun-if-env-changed=GIT_VERSION");` code for cachepot cache invalidation.
 /// The problem needs further investigation and regular `const` declaration instead of a macro.

pageserver/src/statvfs.rs

@@ -56,7 +56,6 @@ impl Statvfs {
 }
 
 pub mod mock {
-    use anyhow::Context;
     use camino::Utf8Path;
     use regex::Regex;
     use tracing::log::info;
@@ -135,14 +134,30 @@ pub mod mock {
             {
                 continue;
             }
-            total += entry
-                .metadata()
-                .with_context(|| format!("get metadata of {:?}", entry.path()))?
-                .len();
+            let m = match entry.metadata() {
+                Ok(m) => m,
+                Err(e) if is_not_found(&e) => {
+                    // some temp file which got removed right as we are walking
+                    continue;
+                }
+                Err(e) => {
+                    return Err(anyhow::Error::new(e)
+                        .context(format!("get metadata of {:?}", entry.path())))
+                }
+            };
+            total += m.len();
         }
         Ok(total)
     }
 
+    fn is_not_found(e: &walkdir::Error) -> bool {
+        let Some(io_error) = e.io_error() else {
+            return false;
+        };
+        let kind = io_error.kind();
+        matches!(kind, std::io::ErrorKind::NotFound)
+    }
+
     pub struct Statvfs {
         pub blocks: u64,
         pub blocks_available: u64,

pageserver/src/tenant.rs

@@ -3012,54 +3012,6 @@ impl Tenant {
         // because that will stall branch creation.
         let gc_cs = self.gc_cs.lock().await;
 
-        // Paranoia check: it is critical that GcInfo's list of child timelines is correct, to avoid incorrectly GC'ing data they
-        // depend on.  So although GcInfo is updated continuously by Timeline::new and Timeline::drop, we also calculate it here
-        // and fail out if it's inaccurate.
-        // (this can be removed later, it's a risk mitigation for https://github.com/neondatabase/neon/pull/8427)
-        {
-            let mut all_branchpoints: BTreeMap<TimelineId, Vec<(Lsn, TimelineId)>> =
-                BTreeMap::new();
-            timelines.iter().for_each(|timeline| {
-                if let Some(ancestor_timeline_id) = &timeline.get_ancestor_timeline_id() {
-                    let ancestor_children =
-                        all_branchpoints.entry(*ancestor_timeline_id).or_default();
-                    ancestor_children.push((timeline.get_ancestor_lsn(), timeline.timeline_id));
-                }
-            });
-
-            for timeline in &timelines {
-                let mut branchpoints: Vec<(Lsn, TimelineId)> = all_branchpoints
-                    .remove(&timeline.timeline_id)
-                    .unwrap_or_default();
-
-                branchpoints.sort_by_key(|b| b.0);
-
-                let target = timeline.gc_info.read().unwrap();
-
-                // We require that retain_lsns contains everything in `branchpoints`, but not that
-                // they are exactly equal: timeline deletions can race with us, so retain_lsns
-                // may contain some extra stuff.  It is safe to have extra timelines in there, because it
-                // just means that we retain slightly more data than we otherwise might.
-                let have_branchpoints = target.retain_lsns.iter().copied().collect::<HashSet<_>>();
-                for b in &branchpoints {
-                    if !have_branchpoints.contains(b) {
-                        tracing::error!(
-                            "Bug: `retain_lsns` is set incorrectly.  Expected be {:?}, but found {:?}",
-                            branchpoints,
-                            target.retain_lsns
-                        );
-                        debug_assert!(false);
-                        // Do not GC based on bad information!
-                        // (ab-use an existing GcError type rather than adding a new one, since this is a
-                        // "should never happen" check that will be removed soon).
-                        return Err(GcError::Remote(anyhow::anyhow!(
-                            "retain_lsns failed validation!"
-                        )));
-                    }
-                }
-            }
-        }
-
         // Ok, we now know all the branch points.
         // Update the GC information for each timeline.
         let mut gc_timelines = Vec::with_capacity(timelines.len());

pageserver/src/tenant/mgr.rs

@@ -224,21 +224,8 @@ async fn safe_rename_tenant_dir(path: impl AsRef<Utf8Path>) -> std::io::Result<U
 }
 
 /// See [`Self::spawn`].
-#[derive(Clone)]
-pub struct BackgroundPurges(Arc<std::sync::Mutex<BackgroundPurgesInner>>);
-enum BackgroundPurgesInner {
-    Open(tokio::task::JoinSet<()>),
-    // we use the async mutex for coalescing
-    ShuttingDown(Arc<tokio::sync::Mutex<tokio::task::JoinSet<()>>>),
-}
-
-impl Default for BackgroundPurges {
-    fn default() -> Self {
-        Self(Arc::new(std::sync::Mutex::new(
-            BackgroundPurgesInner::Open(JoinSet::new()),
-        )))
-    }
-}
+#[derive(Clone, Default)]
+pub struct BackgroundPurges(tokio_util::task::TaskTracker);
 
 impl BackgroundPurges {
     /// When we have moved a tenant's content to a temporary directory, we may delete it lazily in
@@ -247,24 +234,32 @@ impl BackgroundPurges {
     /// Although we are cleaning up the tenant, this task is not meant to be bound by the lifetime of the tenant in memory.
     /// Thus the [`BackgroundPurges`] type to keep track of these tasks.
     pub fn spawn(&self, tmp_path: Utf8PathBuf) {
-        let mut guard = self.0.lock().unwrap();
-        let jset = match &mut *guard {
-            BackgroundPurgesInner::Open(ref mut jset) => jset,
-            BackgroundPurgesInner::ShuttingDown(_) => {
-                warn!("trying to spawn background purge during shutdown, ignoring");
-                return;
+        // because on shutdown we close and wait, we are misusing TaskTracker a bit.
+        //
+        // so first acquire a token, then check if the tracker has been closed. the tracker might get closed
+        // right after, but at least the shutdown will wait for what we are spawning next.
+        let token = self.0.token();
+
+        if self.0.is_closed() {
+            warn!(
+                %tmp_path,
+                "trying to spawn background purge during shutdown, ignoring"
+            );
+            return;
+        }
+
+        let span = info_span!(parent: None, "background_purge", %tmp_path);
+
+        let task = move || {
+            let _token = token;
+            let _entered = span.entered();
+            if let Err(error) = std::fs::remove_dir_all(tmp_path.as_path()) {
+                // should we fatal_io_error here?
+                warn!(%error, "failed to purge tenant directory");
             }
         };
-        jset.spawn_on(
-            async move {
-                if let Err(error) = fs::remove_dir_all(tmp_path.as_path()).await {
-                    // should we fatal_io_error here?
-                    warn!(%error, path=%tmp_path, "failed to purge tenant directory");
-                }
-            }
-            .instrument(info_span!(parent: None, "background_purge")),
-            BACKGROUND_RUNTIME.handle(),
-        );
+
+        BACKGROUND_RUNTIME.spawn_blocking(task);
     }
 
     /// When this future completes, all background purges have completed.
@@ -278,42 +273,9 @@ impl BackgroundPurges {
     /// instances of this future will continue to be correct.
     #[instrument(skip_all)]
     pub async fn shutdown(&self) {
-        let jset = {
-            let mut guard = self.0.lock().unwrap();
-            match &mut *guard {
-                BackgroundPurgesInner::Open(jset) => {
-                    *guard = BackgroundPurgesInner::ShuttingDown(Arc::new(tokio::sync::Mutex::new(
-                        std::mem::take(jset),
-                    )))
-                }
-                BackgroundPurgesInner::ShuttingDown(_) => {
-                    // calling shutdown multiple times is most likely a bug in pageserver shutdown code
-                    warn!("already shutting down");
-                }
-            };
-            match &mut *guard {
-                BackgroundPurgesInner::ShuttingDown(ref mut jset) => jset.clone(),
-                BackgroundPurgesInner::Open(_) => {
-                    unreachable!("above code transitions into shut down state");
-                }
-            }
-        };
-        let mut jset = jset.lock().await; // concurrent callers coalesce here
-        while let Some(res) = jset.join_next().await {
-            match res {
-                Ok(()) => {}
-                Err(e) if e.is_panic() => {
-                    // If it panicked, the error is already logged by the panic hook.
-                }
-                Err(e) if e.is_cancelled() => {
-                    unreachable!("we don't cancel the joinset or runtime")
-                }
-                Err(e) => {
-                    // No idea when this can happen, but let's log it.
-                    warn!(%e, "background purge task failed or panicked");
-                }
-            }
-        }
+        // forbid new tasks (can be called many times)
+        self.0.close();
+        self.0.wait().await;
     }
 }
 

pageserver/src/tenant/secondary/downloader.rs

@@ -55,7 +55,7 @@ use tokio_util::sync::CancellationToken;
 use tracing::{info_span, instrument, warn, Instrument};
 use utils::{
     backoff, completion::Barrier, crashsafe::path_with_suffix_extension, failpoint_support, fs_ext,
-    id::TimelineId, serde_system_time,
+    id::TimelineId, pausable_failpoint, serde_system_time,
 };
 
 use super::{
@@ -1146,12 +1146,14 @@ impl<'a> TenantDownloader<'a> {
         layer: HeatMapLayer,
         ctx: &RequestContext,
     ) -> Result<Option<HeatMapLayer>, UpdateError> {
-        // Failpoint for simulating slow remote storage
+        // Failpoints for simulating slow remote storage
         failpoint_support::sleep_millis_async!(
             "secondary-layer-download-sleep",
             &self.secondary_state.cancel
         );
 
+        pausable_failpoint!("secondary-layer-download-pausable");
+
         let local_path = local_layer_path(
             self.conf,
             tenant_shard_id,

pageserver/src/tenant/timeline.rs

@@ -4412,11 +4412,11 @@ impl From<CollectKeySpaceError> for CompactionError {
 impl From<super::upload_queue::NotInitialized> for CompactionError {
     fn from(value: super::upload_queue::NotInitialized) -> Self {
         match value {
-            super::upload_queue::NotInitialized::Uninitialized
-            | super::upload_queue::NotInitialized::Stopped => {
+            super::upload_queue::NotInitialized::Uninitialized => {
                 CompactionError::Other(anyhow::anyhow!(value))
             }
-            super::upload_queue::NotInitialized::ShuttingDown => CompactionError::ShuttingDown,
+            super::upload_queue::NotInitialized::ShuttingDown
+            | super::upload_queue::NotInitialized::Stopped => CompactionError::ShuttingDown,
         }
     }
 }

pgxn/neon/control_plane_connector.c

@@ -45,6 +45,7 @@ static const char *jwt_token = NULL;
 /* GUCs */
 static char *ConsoleURL = NULL;
 static bool ForwardDDL = true;
+static bool RegressTestMode = false;
 
 /*
  * CURL docs say that this buffer must exist until we call curl_easy_cleanup
@@ -802,6 +803,14 @@ NeonProcessUtility(
 		case T_DropRoleStmt:
 			HandleDropRole(castNode(DropRoleStmt, parseTree));
 			break;
+		case T_CreateTableSpaceStmt:
+			if (!RegressTestMode)
+			{
+				ereport(ERROR,
+					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+					errmsg("CREATE TABLESPACE is not supported on Neon")));
+			}
+   			break;
 		default:
 			break;
 	}
@@ -864,6 +873,18 @@ InitControlPlaneConnector()
 							 NULL,
 							 NULL);
 
+	DefineCustomBoolVariable(
+							 "neon.regress_test_mode",
+							 "Controls whether we are running in the regression test mode",
+							 NULL,
+							 &RegressTestMode,
+							 false,
+							 PGC_SUSET,
+							 0,
+							 NULL,
+							 NULL,
+							 NULL);
+
 	jwt_token = getenv("NEON_CONTROL_PLANE_TOKEN");
 	if (!jwt_token)
 	{

poetry.lock

@@ -1,91 +1,103 @@
 # This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
+[[package]]
+name = "aiohappyeyeballs"
+version = "2.3.5"
+description = "Happy Eyeballs for asyncio"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "aiohappyeyeballs-2.3.5-py3-none-any.whl", hash = "sha256:4d6dea59215537dbc746e93e779caea8178c866856a721c9c660d7a5a7b8be03"},
+    {file = "aiohappyeyeballs-2.3.5.tar.gz", hash = "sha256:6fa48b9f1317254f122a07a131a86b71ca6946ca989ce6326fff54a99a920105"},
+]
+
 [[package]]
 name = "aiohttp"
-version = "3.9.4"
+version = "3.10.2"
 description = "Async http client/server framework (asyncio)"
 optional = false
 python-versions = ">=3.8"
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+    {file = "aiohttp-3.10.2.tar.gz", hash = "sha256:4d1f694b5d6e459352e5e925a42e05bac66655bfde44d81c59992463d2897014"},
 ]
 
 [package.dependencies]
+aiohappyeyeballs = ">=2.3.0"
 aiosignal = ">=1.1.2"
 async-timeout = {version = ">=4.0,<5.0", markers = "python_version < \"3.11\""}
 attrs = ">=17.3.0"
@@ -94,7 +106,7 @@ multidict = ">=4.5,<7.0"
 yarl = ">=1.0,<2.0"
 
 [package.extras]
-speedups = ["Brotli", "aiodns", "brotlicffi"]
+speedups = ["Brotli", "aiodns (>=3.2.0)", "brotlicffi"]
 
 [[package]]
 name = "aiopg"
@@ -3371,4 +3383,4 @@ cffi = ["cffi (>=1.11)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "d569a3593b98baceb0a88e176bdad63cae99d6bfc2a81bf6741663a4abcafd72"
+content-hash = "c09bcb333ab550958b33dbf4fec968c500d8e701fd4c96402cddbd9bb8048055"

proxy/core/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "proxy"
+name = "proxy-core"
 version = "0.1.0"
 edition.workspace = true
 license.workspace = true
@@ -9,8 +9,11 @@ default = []
 testing = []
 
 [dependencies]
+proxy-sasl = { version = "0.1", path = "../sasl" }
+
 ahash.workspace = true
 anyhow.workspace = true
+arc-swap.workspace = true
 async-compression.workspace = true
 async-trait.workspace = true
 atomic-take.workspace = true
@@ -30,7 +33,6 @@ dashmap.workspace = true
 env_logger.workspace = true
 framed-websockets.workspace = true
 futures.workspace = true
-git-version.workspace = true
 hashbrown.workspace = true
 hashlink.workspace = true
 hex.workspace = true
@@ -51,17 +53,15 @@ md5.workspace = true
 measured = { workspace = true, features = ["lasso"] }
 metrics.workspace = true
 once_cell.workspace = true
-opentelemetry.workspace = true
 parking_lot.workspace = true
 parquet.workspace = true
 parquet_derive.workspace = true
 pin-project-lite.workspace = true
 postgres_backend.workspace = true
 pq_proto.workspace = true
-prometheus.workspace = true
 rand.workspace = true
 regex.workspace = true
-remote_storage = { version = "0.1", path = "../libs/remote_storage/" }
+remote_storage = { version = "0.1", path = "../../libs/remote_storage/" }
 reqwest.workspace = true
 reqwest-middleware = { workspace = true, features = ["json"] }
 reqwest-retry.workspace = true
@@ -73,14 +73,13 @@ rustls.workspace = true
 scopeguard.workspace = true
 serde.workspace = true
 serde_json.workspace = true
-sha2 = { workspace = true, features = ["asm"] }
+sha2 = { workspace = true, features = ["asm", "oid"] }
 smol_str.workspace = true
 smallvec.workspace = true
 socket2.workspace = true
 subtle.workspace = true
 task-local-extensions.workspace = true
 thiserror.workspace = true
-tikv-jemallocator.workspace = true
 tikv-jemalloc-ctl = { workspace = true, features = ["use_std"] }
 tokio-postgres.workspace = true
 tokio-postgres-rustls.workspace = true
@@ -103,6 +102,14 @@ x509-parser.workspace = true
 postgres-protocol.workspace = true
 redis.workspace = true
 
+# jwt stuff
+jose-jwa = "0.1.2"
+jose-jwk = { version = "0.1.2", features = ["p256", "p384", "rsa"] }
+signature = "2"
+ecdsa = "0.16"
+p256 = "0.13"
+rsa = "0.9"
+
 workspace_hack.workspace = true
 
 [dev-dependencies]

proxy/core/src/auth.rs

@@ -38,7 +38,7 @@ pub enum AuthErrorImpl {
 
     /// SASL protocol errors (includes [SCRAM](crate::scram)).
     #[error(transparent)]
-    Sasl(#[from] crate::sasl::Error),
+    Sasl(#[from] proxy_sasl::sasl::Error),
 
     #[error("Unsupported authentication method: {0}")]
     BadAuthMethod(Box<str>),
@@ -148,3 +148,28 @@ impl ReportableError for AuthError {
         }
     }
 }
+
+impl UserFacingError for proxy_sasl::sasl::Error {
+    fn to_string_client(&self) -> String {
+        match self {
+            proxy_sasl::sasl::Error::ChannelBindingFailed(m) => m.to_string(),
+            proxy_sasl::sasl::Error::ChannelBindingBadMethod(m) => {
+                format!("unsupported channel binding method {m}")
+            }
+            _ => "authentication protocol violation".to_string(),
+        }
+    }
+}
+
+impl ReportableError for proxy_sasl::sasl::Error {
+    fn get_error_kind(&self) -> crate::error::ErrorKind {
+        match self {
+            proxy_sasl::sasl::Error::ChannelBindingFailed(_) => crate::error::ErrorKind::User,
+            proxy_sasl::sasl::Error::ChannelBindingBadMethod(_) => crate::error::ErrorKind::User,
+            proxy_sasl::sasl::Error::BadClientMessage(_) => crate::error::ErrorKind::User,
+            proxy_sasl::sasl::Error::MissingBinding => crate::error::ErrorKind::Service,
+            proxy_sasl::sasl::Error::Base64(_) => crate::error::ErrorKind::ControlPlane,
+            proxy_sasl::sasl::Error::Io(_) => crate::error::ErrorKind::ClientDisconnect,
+        }
+    }
+}

proxy/core/src/auth/backend.rs

@@ -1,5 +1,6 @@
 mod classic;
 mod hacks;
+pub mod jwt;
 mod link;
 
 use std::net::IpAddr;
@@ -8,6 +9,7 @@ use std::time::Duration;
 
 use ipnet::{Ipv4Net, Ipv6Net};
 pub use link::LinkAuthError;
+use proxy_sasl::scram;
 use tokio::io::{AsyncRead, AsyncWrite};
 use tokio_postgres::config::AuthKeys;
 use tracing::{info, warn};
@@ -35,7 +37,7 @@ use crate::{
     },
     stream, url,
 };
-use crate::{scram, EndpointCacheKey, EndpointId, RoleName};
+use crate::{EndpointCacheKey, EndpointId, RoleName};
 
 /// Alternative to [`std::borrow::Cow`] but doesn't need `T: ToOwned` as we don't need that functionality
 pub enum MaybeOwned<'a, T> {
@@ -370,8 +372,8 @@ async fn authenticate_with_secret(
         let auth_outcome =
             validate_password_and_exchange(&config.thread_pool, ep, &password, secret).await?;
         let keys = match auth_outcome {
-            crate::sasl::Outcome::Success(key) => key,
-            crate::sasl::Outcome::Failure(reason) => {
+            proxy_sasl::sasl::Outcome::Success(key) => key,
+            proxy_sasl::sasl::Outcome::Failure(reason) => {
                 info!("auth backend failed with an error: {reason}");
                 return Err(auth::AuthError::auth_failed(&*info.user));
             }
@@ -557,9 +559,9 @@ mod tests {
         context::RequestMonitoring,
         proxy::NeonOptions,
         rate_limiter::{EndpointRateLimiter, RateBucketInfo},
-        scram::{threadpool::ThreadPool, ServerSecret},
         stream::{PqStream, Stream},
     };
+    use proxy_sasl::scram::{threadpool::ThreadPool, ServerSecret};
 
     use super::{auth_quirks, AuthRateLimiter};
 
@@ -668,7 +670,11 @@ mod tests {
         let ctx = RequestMonitoring::test();
         let api = Auth {
             ips: vec![],
-            secret: AuthSecret::Scram(ServerSecret::build("my-secret-password").await.unwrap()),
+            secret: AuthSecret::Scram(
+                ServerSecret::build_test_secret("my-secret-password")
+                    .await
+                    .unwrap(),
+            ),
         };
 
         let user_info = ComputeUserInfoMaybeEndpoint {
@@ -745,7 +751,11 @@ mod tests {
         let ctx = RequestMonitoring::test();
         let api = Auth {
             ips: vec![],
-            secret: AuthSecret::Scram(ServerSecret::build("my-secret-password").await.unwrap()),
+            secret: AuthSecret::Scram(
+                ServerSecret::build_test_secret("my-secret-password")
+                    .await
+                    .unwrap(),
+            ),
         };
 
         let user_info = ComputeUserInfoMaybeEndpoint {
@@ -797,7 +807,11 @@ mod tests {
         let ctx = RequestMonitoring::test();
         let api = Auth {
             ips: vec![],
-            secret: AuthSecret::Scram(ServerSecret::build("my-secret-password").await.unwrap()),
+            secret: AuthSecret::Scram(
+                ServerSecret::build_test_secret("my-secret-password")
+                    .await
+                    .unwrap(),
+            ),
         };
 
         let user_info = ComputeUserInfoMaybeEndpoint {

proxy/core/src/auth/backend/classic.rs

@@ -5,9 +5,9 @@ use crate::{
     config::AuthenticationConfig,
     console::AuthSecret,
     context::RequestMonitoring,
-    sasl,
     stream::{PqStream, Stream},
 };
+use proxy_sasl::sasl;
 use tokio::io::{AsyncRead, AsyncWrite};
 use tracing::{info, warn};
 

proxy/core/src/auth/backend/hacks.rs

@@ -7,9 +7,9 @@ use crate::{
     console::AuthSecret,
     context::RequestMonitoring,
     intern::EndpointIdInt,
-    sasl,
     stream::{self, Stream},
 };
+use proxy_sasl::sasl;
 use tokio::io::{AsyncRead, AsyncWrite};
 use tracing::{info, warn};
 

proxy/core/src/auth/backend/jwt.rs

@@ -0,0 +1,554 @@
+use std::{future::Future, sync::Arc, time::Duration};
+
+use anyhow::{bail, ensure, Context};
+use arc_swap::ArcSwapOption;
+use dashmap::DashMap;
+use jose_jwk::crypto::KeyInfo;
+use signature::Verifier;
+use tokio::time::Instant;
+
+use crate::{http::parse_json_body_with_limit, intern::EndpointIdInt};
+
+// TODO(conrad): make these configurable.
+const MIN_RENEW: Duration = Duration::from_secs(30);
+const AUTO_RENEW: Duration = Duration::from_secs(300);
+const MAX_RENEW: Duration = Duration::from_secs(3600);
+const MAX_JWK_BODY_SIZE: usize = 64 * 1024;
+
+/// How to get the JWT auth rules
+pub trait FetchAuthRules: Clone + Send + Sync + 'static {
+    fn fetch_auth_rules(&self) -> impl Future<Output = anyhow::Result<AuthRules>> + Send;
+}
+
+#[derive(Clone)]
+struct FetchAuthRulesFromCplane {
+    #[allow(dead_code)]
+    endpoint: EndpointIdInt,
+}
+
+impl FetchAuthRules for FetchAuthRulesFromCplane {
+    async fn fetch_auth_rules(&self) -> anyhow::Result<AuthRules> {
+        Err(anyhow::anyhow!("not yet implemented"))
+    }
+}
+
+pub struct AuthRules {
+    jwks_urls: Vec<url::Url>,
+}
+
+#[derive(Default)]
+pub struct JwkCache {
+    client: reqwest::Client,
+
+    map: DashMap<EndpointIdInt, Arc<JwkCacheEntryLock>>,
+}
+
+pub struct JwkCacheEntryLock {
+    cached: ArcSwapOption<JwkCacheEntry>,
+    lookup: tokio::sync::Semaphore,
+}
+
+impl Default for JwkCacheEntryLock {
+    fn default() -> Self {
+        JwkCacheEntryLock {
+            cached: ArcSwapOption::empty(),
+            lookup: tokio::sync::Semaphore::new(1),
+        }
+    }
+}
+
+pub struct JwkCacheEntry {
+    /// Should refetch at least every hour to verify when old keys have been removed.
+    /// Should refetch when new key IDs are seen only every 5 minutes or so
+    last_retrieved: Instant,
+
+    /// cplane will return multiple JWKs urls that we need to scrape.
+    key_sets: ahash::HashMap<url::Url, jose_jwk::JwkSet>,
+}
+
+impl JwkCacheEntryLock {
+    async fn acquire_permit<'a>(self: &'a Arc<Self>) -> JwkRenewalPermit<'a> {
+        JwkRenewalPermit::acquire_permit(self).await
+    }
+
+    fn try_acquire_permit<'a>(self: &'a Arc<Self>) -> Option<JwkRenewalPermit<'a>> {
+        JwkRenewalPermit::try_acquire_permit(self)
+    }
+
+    async fn renew_jwks<F: FetchAuthRules>(
+        &self,
+        _permit: JwkRenewalPermit<'_>,
+        client: &reqwest::Client,
+        auth_rules: &F,
+    ) -> anyhow::Result<Arc<JwkCacheEntry>> {
+        // double check that no one beat us to updating the cache.
+        let now = Instant::now();
+        let guard = self.cached.load_full();
+        if let Some(cached) = guard {
+            let last_update = now.duration_since(cached.last_retrieved);
+            if last_update < Duration::from_secs(300) {
+                return Ok(cached);
+            }
+        }
+
+        let rules = auth_rules.fetch_auth_rules().await?;
+        let mut key_sets = ahash::HashMap::with_capacity_and_hasher(
+            rules.jwks_urls.len(),
+            ahash::RandomState::new(),
+        );
+        // TODO(conrad): run concurrently
+        for url in rules.jwks_urls {
+            let req = client.get(url.clone());
+            // TODO(conrad): eventually switch to using reqwest_middleware/`new_client_with_timeout`.
+            match req.send().await.and_then(|r| r.error_for_status()) {
+                // todo: should we re-insert JWKs if we want to keep this JWKs URL?
+                // I expect these failures would be quite sparse.
+                Err(e) => tracing::warn!(?url, error=?e, "could not fetch JWKs"),
+                Ok(r) => {
+                    let resp: http::Response<reqwest::Body> = r.into();
+                    match parse_json_body_with_limit::<jose_jwk::JwkSet>(
+                        resp.into_body(),
+                        MAX_JWK_BODY_SIZE,
+                    )
+                    .await
+                    {
+                        Err(e) => tracing::warn!(?url, error=?e, "could not decode JWKs"),
+                        Ok(jwks) => {
+                            key_sets.insert(url, jwks);
+                        }
+                    }
+                }
+            }
+        }
+
+        let entry = Arc::new(JwkCacheEntry {
+            last_retrieved: now,
+            key_sets,
+        });
+        self.cached.swap(Some(Arc::clone(&entry)));
+
+        Ok(entry)
+    }
+
+    async fn get_or_update_jwk_cache<F: FetchAuthRules>(
+        self: &Arc<Self>,
+        client: &reqwest::Client,
+        fetch: &F,
+    ) -> Result<Arc<JwkCacheEntry>, anyhow::Error> {
+        let now = Instant::now();
+        let guard = self.cached.load_full();
+
+        // if we have no cached JWKs, try and get some
+        let Some(cached) = guard else {
+            let permit = self.acquire_permit().await;
+            return self.renew_jwks(permit, client, fetch).await;
+        };
+
+        let last_update = now.duration_since(cached.last_retrieved);
+
+        // check if the cached JWKs need updating.
+        if last_update > MAX_RENEW {
+            let permit = self.acquire_permit().await;
+
+            // it's been too long since we checked the keys. wait for them to update.
+            return self.renew_jwks(permit, client, fetch).await;
+        }
+
+        // every 5 minutes we should spawn a job to eagerly update the token.
+        if last_update > AUTO_RENEW {
+            if let Some(permit) = self.try_acquire_permit() {
+                tracing::debug!("JWKs should be renewed. Renewal permit acquired");
+                let permit = permit.into_owned();
+                let entry = self.clone();
+                let client = client.clone();
+                let fetch = fetch.clone();
+                tokio::spawn(async move {
+                    if let Err(e) = entry.renew_jwks(permit, &client, &fetch).await {
+                        tracing::warn!(error=?e, "could not fetch JWKs in background job");
+                    }
+                });
+            } else {
+                tracing::debug!("JWKs should be renewed. Renewal permit already taken, skipping");
+            }
+        }
+
+        Ok(cached)
+    }
+
+    async fn check_jwt<F: FetchAuthRules>(
+        self: &Arc<Self>,
+        jwt: String,
+        client: &reqwest::Client,
+        fetch: &F,
+    ) -> Result<(), anyhow::Error> {
+        // JWT compact form is defined to be
+        // <B64(Header)> || . || <B64(Payload)> || . || <B64(Signature)>
+        // where Signature = alg(<B64(Header)> || . || <B64(Payload)>);
+
+        let (header_payload, signature) = jwt
+            .rsplit_once(".")
+            .context("not a valid compact JWT encoding")?;
+        let (header, _payload) = header_payload
+            .split_once(".")
+            .context("not a valid compact JWT encoding")?;
+
+        let header = base64::decode_config(header, base64::URL_SAFE_NO_PAD)
+            .context("not a valid compact JWT encoding")?;
+        let header = serde_json::from_slice::<JWTHeader>(&header)
+            .context("not a valid compact JWT encoding")?;
+
+        ensure!(header.typ == "JWT");
+        let kid = header.kid.context("missing key id")?;
+
+        let mut guard = self.get_or_update_jwk_cache(client, fetch).await?;
+
+        // get the key from the JWKs if possible. If not, wait for the keys to update.
+        let jwk = loop {
+            let jwk = guard
+                .key_sets
+                .values()
+                .flat_map(|jwks| &jwks.keys)
+                .find(|jwk| jwk.prm.kid.as_deref() == Some(kid));
+
+            match jwk {
+                Some(jwk) => break jwk,
+                None if guard.last_retrieved.elapsed() > MIN_RENEW => {
+                    let permit = self.acquire_permit().await;
+                    guard = self.renew_jwks(permit, client, fetch).await?;
+                }
+                _ => {
+                    bail!("jwk not found");
+                }
+            }
+        };
+
+        ensure!(
+            jwk.is_supported(&header.alg),
+            "signature algorithm not supported"
+        );
+
+        let sig = base64::decode_config(signature, base64::URL_SAFE_NO_PAD)
+            .context("not a valid compact JWT encoding")?;
+        match &jwk.key {
+            jose_jwk::Key::Ec(key) => {
+                verify_ec_signature(header_payload.as_bytes(), &sig, key)?;
+            }
+            jose_jwk::Key::Rsa(key) => {
+                verify_rsa_signature(header_payload.as_bytes(), &sig, key, &jwk.prm.alg)?;
+            }
+            key => bail!("unsupported key type {key:?}"),
+        };
+
+        // TODO(conrad): verify iss, exp, nbf, etc...
+
+        Ok(())
+    }
+}
+
+impl JwkCache {
+    pub async fn check_jwt(
+        &self,
+        endpoint: EndpointIdInt,
+        jwt: String,
+    ) -> Result<(), anyhow::Error> {
+        // try with just a read lock first
+        let entry = self.map.get(&endpoint).as_deref().map(Arc::clone);
+        let entry = match entry {
+            Some(entry) => entry,
+            None => {
+                // acquire a write lock after to insert.
+                let entry = self.map.entry(endpoint).or_default();
+                Arc::clone(&*entry)
+            }
+        };
+
+        let fetch = FetchAuthRulesFromCplane { endpoint };
+        entry.check_jwt(jwt, &self.client, &fetch).await
+    }
+}
+
+fn verify_ec_signature(data: &[u8], sig: &[u8], key: &jose_jwk::Ec) -> anyhow::Result<()> {
+    use ecdsa::Signature;
+    use signature::Verifier;
+
+    match key.crv {
+        jose_jwk::EcCurves::P256 => {
+            let pk =
+                p256::PublicKey::try_from(key).map_err(|_| anyhow::anyhow!("invalid P256 key"))?;
+            let key = p256::ecdsa::VerifyingKey::from(&pk);
+            let sig = Signature::from_slice(sig)?;
+            key.verify(data, &sig)?;
+        }
+        key => bail!("unsupported ec key type {key:?}"),
+    }
+
+    Ok(())
+}
+
+fn verify_rsa_signature(
+    data: &[u8],
+    sig: &[u8],
+    key: &jose_jwk::Rsa,
+    alg: &Option<jose_jwa::Algorithm>,
+) -> anyhow::Result<()> {
+    use jose_jwa::{Algorithm, Signing};
+    use rsa::{
+        pkcs1v15::{Signature, VerifyingKey},
+        RsaPublicKey,
+    };
+
+    let key = RsaPublicKey::try_from(key).map_err(|_| anyhow::anyhow!("invalid RSA key"))?;
+
+    match alg {
+        Some(Algorithm::Signing(Signing::Rs256)) => {
+            let key = VerifyingKey::<sha2::Sha256>::new(key);
+            let sig = Signature::try_from(sig)?;
+            key.verify(data, &sig)?;
+        }
+        _ => bail!("invalid RSA signing algorithm"),
+    };
+
+    Ok(())
+}
+
+/// <https://datatracker.ietf.org/doc/html/rfc7515#section-4.1>
+#[derive(serde::Deserialize, serde::Serialize)]
+struct JWTHeader<'a> {
+    /// must be "JWT"
+    typ: &'a str,
+    /// must be a supported alg
+    alg: jose_jwa::Algorithm,
+    /// key id, must be provided for our usecase
+    kid: Option<&'a str>,
+}
+
+struct JwkRenewalPermit<'a> {
+    inner: Option<JwkRenewalPermitInner<'a>>,
+}
+
+enum JwkRenewalPermitInner<'a> {
+    Owned(Arc<JwkCacheEntryLock>),
+    Borrowed(&'a Arc<JwkCacheEntryLock>),
+}
+
+impl JwkRenewalPermit<'_> {
+    fn into_owned(mut self) -> JwkRenewalPermit<'static> {
+        JwkRenewalPermit {
+            inner: self.inner.take().map(JwkRenewalPermitInner::into_owned),
+        }
+    }
+
+    async fn acquire_permit(from: &Arc<JwkCacheEntryLock>) -> JwkRenewalPermit {
+        match from.lookup.acquire().await {
+            Ok(permit) => {
+                permit.forget();
+                JwkRenewalPermit {
+                    inner: Some(JwkRenewalPermitInner::Borrowed(from)),
+                }
+            }
+            Err(_) => panic!("semaphore should not be closed"),
+        }
+    }
+
+    fn try_acquire_permit(from: &Arc<JwkCacheEntryLock>) -> Option<JwkRenewalPermit> {
+        match from.lookup.try_acquire() {
+            Ok(permit) => {
+                permit.forget();
+                Some(JwkRenewalPermit {
+                    inner: Some(JwkRenewalPermitInner::Borrowed(from)),
+                })
+            }
+            Err(tokio::sync::TryAcquireError::NoPermits) => None,
+            Err(tokio::sync::TryAcquireError::Closed) => panic!("semaphore should not be closed"),
+        }
+    }
+}
+
+impl JwkRenewalPermitInner<'_> {
+    fn into_owned(self) -> JwkRenewalPermitInner<'static> {
+        match self {
+            JwkRenewalPermitInner::Owned(p) => JwkRenewalPermitInner::Owned(p),
+            JwkRenewalPermitInner::Borrowed(p) => JwkRenewalPermitInner::Owned(Arc::clone(p)),
+        }
+    }
+}
+
+impl Drop for JwkRenewalPermit<'_> {
+    fn drop(&mut self) {
+        let entry = match &self.inner {
+            None => return,
+            Some(JwkRenewalPermitInner::Owned(p)) => p,
+            Some(JwkRenewalPermitInner::Borrowed(p)) => *p,
+        };
+        entry.lookup.add_permits(1);
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use std::{future::IntoFuture, net::SocketAddr, time::SystemTime};
+
+    use base64::URL_SAFE_NO_PAD;
+    use bytes::Bytes;
+    use http::Response;
+    use http_body_util::Full;
+    use hyper1::service::service_fn;
+    use hyper_util::rt::TokioIo;
+    use rand::rngs::OsRng;
+    use signature::Signer;
+    use tokio::net::TcpListener;
+
+    fn new_ec_jwk(kid: String) -> (p256::SecretKey, jose_jwk::Jwk) {
+        let sk = p256::SecretKey::random(&mut OsRng);
+        let pk = sk.public_key().into();
+        let jwk = jose_jwk::Jwk {
+            key: jose_jwk::Key::Ec(pk),
+            prm: jose_jwk::Parameters {
+                kid: Some(kid),
+                alg: Some(jose_jwa::Algorithm::Signing(jose_jwa::Signing::Es256)),
+                ..Default::default()
+            },
+        };
+        (sk, jwk)
+    }
+
+    fn new_rsa_jwk(kid: String) -> (rsa::RsaPrivateKey, jose_jwk::Jwk) {
+        let sk = rsa::RsaPrivateKey::new(&mut OsRng, 2048).unwrap();
+        let pk = sk.to_public_key().into();
+        let jwk = jose_jwk::Jwk {
+            key: jose_jwk::Key::Rsa(pk),
+            prm: jose_jwk::Parameters {
+                kid: Some(kid),
+                alg: Some(jose_jwa::Algorithm::Signing(jose_jwa::Signing::Rs256)),
+                ..Default::default()
+            },
+        };
+        (sk, jwk)
+    }
+
+    fn build_jwt_payload(kid: String, sig: jose_jwa::Signing) -> String {
+        let header = JWTHeader {
+            typ: "JWT",
+            alg: jose_jwa::Algorithm::Signing(sig),
+            kid: Some(&kid),
+        };
+        let body = typed_json::json! {{
+            "exp": SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs() + 3600,
+        }};
+
+        let header =
+            base64::encode_config(serde_json::to_string(&header).unwrap(), URL_SAFE_NO_PAD);
+        let body = base64::encode_config(body.to_string(), URL_SAFE_NO_PAD);
+
+        format!("{header}.{body}")
+    }
+
+    fn new_ec_jwt(kid: String, key: p256::SecretKey) -> String {
+        use p256::ecdsa::{Signature, SigningKey};
+
+        let payload = build_jwt_payload(kid, jose_jwa::Signing::Es256);
+        let sig: Signature = SigningKey::from(key).sign(payload.as_bytes());
+        let sig = base64::encode_config(sig.to_bytes(), URL_SAFE_NO_PAD);
+
+        format!("{payload}.{sig}")
+    }
+
+    fn new_rsa_jwt(kid: String, key: rsa::RsaPrivateKey) -> String {
+        use rsa::pkcs1v15::SigningKey;
+        use rsa::signature::SignatureEncoding;
+
+        let payload = build_jwt_payload(kid, jose_jwa::Signing::Rs256);
+        let sig = SigningKey::<sha2::Sha256>::new(key).sign(payload.as_bytes());
+        let sig = base64::encode_config(sig.to_bytes(), URL_SAFE_NO_PAD);
+
+        format!("{payload}.{sig}")
+    }
+
+    #[tokio::test]
+    async fn renew() {
+        let (rs1, jwk1) = new_rsa_jwk("1".into());
+        let (rs2, jwk2) = new_rsa_jwk("2".into());
+        let (ec1, jwk3) = new_ec_jwk("3".into());
+        let (ec2, jwk4) = new_ec_jwk("4".into());
+
+        let jwt1 = new_rsa_jwt("1".into(), rs1);
+        let jwt2 = new_rsa_jwt("2".into(), rs2);
+        let jwt3 = new_ec_jwt("3".into(), ec1);
+        let jwt4 = new_ec_jwt("4".into(), ec2);
+
+        let foo_jwks = jose_jwk::JwkSet {
+            keys: vec![jwk1, jwk3],
+        };
+        let bar_jwks = jose_jwk::JwkSet {
+            keys: vec![jwk2, jwk4],
+        };
+
+        let service = service_fn(move |req| {
+            let foo_jwks = foo_jwks.clone();
+            let bar_jwks = bar_jwks.clone();
+            async move {
+                let jwks = match req.uri().path() {
+                    "/foo" => &foo_jwks,
+                    "/bar" => &bar_jwks,
+                    _ => {
+                        return Response::builder()
+                            .status(404)
+                            .body(Full::new(Bytes::new()));
+                    }
+                };
+                let body = serde_json::to_vec(jwks).unwrap();
+                Response::builder()
+                    .status(200)
+                    .body(Full::new(Bytes::from(body)))
+            }
+        });
+
+        let listener = TcpListener::bind("0.0.0.0:0").await.unwrap();
+        let server = hyper1::server::conn::http1::Builder::new();
+        let addr = listener.local_addr().unwrap();
+        tokio::spawn(async move {
+            loop {
+                let (s, _) = listener.accept().await.unwrap();
+                let serve = server.serve_connection(TokioIo::new(s), service.clone());
+                tokio::spawn(serve.into_future());
+            }
+        });
+
+        let client = reqwest::Client::new();
+
+        #[derive(Clone)]
+        struct Fetch(SocketAddr);
+
+        impl FetchAuthRules for Fetch {
+            async fn fetch_auth_rules(&self) -> anyhow::Result<AuthRules> {
+                Ok(AuthRules {
+                    jwks_urls: vec![
+                        format!("http://{}/foo", self.0).parse().unwrap(),
+                        format!("http://{}/bar", self.0).parse().unwrap(),
+                    ],
+                })
+            }
+        }
+
+        let jwk_cache = Arc::new(JwkCacheEntryLock::default());
+
+        jwk_cache
+            .check_jwt(jwt1, &client, &Fetch(addr))
+            .await
+            .unwrap();
+        jwk_cache
+            .check_jwt(jwt2, &client, &Fetch(addr))
+            .await
+            .unwrap();
+        jwk_cache
+            .check_jwt(jwt3, &client, &Fetch(addr))
+            .await
+            .unwrap();
+        jwk_cache
+            .check_jwt(jwt4, &client, &Fetch(addr))
+            .await
+            .unwrap();
+    }
+}

proxy/core/src/auth/flow.rs

@@ -2,16 +2,17 @@
 
 use super::{backend::ComputeCredentialKeys, AuthErrorImpl, PasswordHackPayload};
 use crate::{
-    config::TlsServerEndPoint,
     console::AuthSecret,
     context::RequestMonitoring,
     intern::EndpointIdInt,
-    sasl,
-    scram::{self, threadpool::ThreadPool},
     stream::{PqStream, Stream},
 };
 use postgres_protocol::authentication::sasl::{SCRAM_SHA_256, SCRAM_SHA_256_PLUS};
 use pq_proto::{BeAuthenticationSaslMessage, BeMessage, BeMessage as Be};
+use proxy_sasl::{
+    sasl,
+    scram::{self, threadpool::ThreadPool, TlsServerEndPoint},
+};
 use std::{io, sync::Arc};
 use tokio::io::{AsyncRead, AsyncWrite};
 use tracing::info;
@@ -56,7 +57,7 @@ impl AuthMethod for PasswordHack {
 /// Use clear-text password auth called `password` in docs
 /// <https://www.postgresql.org/docs/current/auth-password.html>
 pub struct CleartextPassword {
-    pub pool: Arc<ThreadPool>,
+    pub pool: Arc<ThreadPool<EndpointIdInt>>,
     pub endpoint: EndpointIdInt,
     pub secret: AuthSecret,
 }
@@ -174,7 +175,7 @@ impl<S: AsyncRead + AsyncWrite + Unpin> AuthFlow<'_, S, Scram<'_>> {
         }
         info!("client chooses {}", sasl.method);
 
-        let outcome = sasl::SaslStream::new(self.stream, sasl.message)
+        let outcome = sasl::SaslStream::new(&mut self.stream.framed, sasl.message)
             .authenticate(scram::Exchange::new(
                 secret,
                 rand::random,
@@ -191,7 +192,7 @@ impl<S: AsyncRead + AsyncWrite + Unpin> AuthFlow<'_, S, Scram<'_>> {
 }
 
 pub(crate) async fn validate_password_and_exchange(
-    pool: &ThreadPool,
+    pool: &ThreadPool<EndpointIdInt>,
     endpoint: EndpointIdInt,
     password: &[u8],
     secret: AuthSecret,
@@ -206,7 +207,8 @@ pub(crate) async fn validate_password_and_exchange(
         }
         // perform scram authentication as both client and server to validate the keys
         AuthSecret::Scram(scram_secret) => {
-            let outcome = crate::scram::exchange(pool, endpoint, &scram_secret, password).await?;
+            let outcome =
+                proxy_sasl::scram::exchange(pool, endpoint, &scram_secret, password).await?;
 
             let client_key = match outcome {
                 sasl::Outcome::Success(client_key) => client_key,

proxy/core/src/cache/project_info.rs

@@ -371,7 +371,8 @@ impl Cache for ProjectInfoCacheImpl {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{scram::ServerSecret, ProjectId};
+    use crate::ProjectId;
+    use proxy_sasl::scram::ServerSecret;
 
     #[tokio::test]
     async fn test_project_info_cache_settings() {

proxy/core/src/config.rs

@@ -1,27 +1,26 @@
 use crate::{
     auth::{self, backend::AuthRateLimiter},
     console::locks::ApiLocks,
+    intern::EndpointIdInt,
     rate_limiter::{RateBucketInfo, RateLimitAlgorithm, RateLimiterConfig},
-    scram::threadpool::ThreadPool,
     serverless::{cancel_set::CancelSet, GlobalConnPoolOptions},
     Host,
 };
+
 use anyhow::{bail, ensure, Context, Ok};
 use itertools::Itertools;
+use proxy_sasl::scram::{threadpool::ThreadPool, TlsServerEndPoint};
 use remote_storage::RemoteStorageConfig;
 use rustls::{
     crypto::ring::sign,
     pki_types::{CertificateDer, PrivateKeyDer},
 };
-use sha2::{Digest, Sha256};
 use std::{
     collections::{HashMap, HashSet},
     str::FromStr,
     sync::Arc,
     time::Duration,
 };
-use tracing::{error, info};
-use x509_parser::oid_registry;
 
 pub struct ProxyConfig {
     pub tls_config: Option<TlsConfig>,
@@ -58,7 +57,7 @@ pub struct HttpConfig {
 }
 
 pub struct AuthenticationConfig {
-    pub thread_pool: Arc<ThreadPool>,
+    pub thread_pool: Arc<ThreadPool<EndpointIdInt>>,
     pub scram_protocol_timeout: tokio::time::Duration,
     pub rate_limiter_enabled: bool,
     pub rate_limiter: AuthRateLimiter,
@@ -126,66 +125,6 @@ pub fn configure_tls(
     })
 }
 
-/// Channel binding parameter
-///
-/// <https://www.rfc-editor.org/rfc/rfc5929#section-4>
-/// Description: The hash of the TLS server's certificate as it
-/// appears, octet for octet, in the server's Certificate message.  Note
-/// that the Certificate message contains a certificate_list, in which
-/// the first element is the server's certificate.
-///
-/// The hash function is to be selected as follows:
-///
-/// * if the certificate's signatureAlgorithm uses a single hash
-///   function, and that hash function is either MD5 or SHA-1, then use SHA-256;
-///
-/// * if the certificate's signatureAlgorithm uses a single hash
-///   function and that hash function neither MD5 nor SHA-1, then use
-///   the hash function associated with the certificate's
-///   signatureAlgorithm;
-///
-/// * if the certificate's signatureAlgorithm uses no hash functions or
-///   uses multiple hash functions, then this channel binding type's
-///   channel bindings are undefined at this time (updates to is channel
-///   binding type may occur to address this issue if it ever arises).
-#[derive(Debug, Clone, Copy)]
-pub enum TlsServerEndPoint {
-    Sha256([u8; 32]),
-    Undefined,
-}
-
-impl TlsServerEndPoint {
-    pub fn new(cert: &CertificateDer) -> anyhow::Result<Self> {
-        let sha256_oids = [
-            // I'm explicitly not adding MD5 or SHA1 here... They're bad.
-            oid_registry::OID_SIG_ECDSA_WITH_SHA256,
-            oid_registry::OID_PKCS1_SHA256WITHRSA,
-        ];
-
-        let pem = x509_parser::parse_x509_certificate(cert)
-            .context("Failed to parse PEM object from cerficiate")?
-            .1;
-
-        info!(subject = %pem.subject, "parsing TLS certificate");
-
-        let reg = oid_registry::OidRegistry::default().with_all_crypto();
-        let oid = pem.signature_algorithm.oid();
-        let alg = reg.get(oid);
-        if sha256_oids.contains(oid) {
-            let tls_server_end_point: [u8; 32] = Sha256::new().chain_update(cert).finalize().into();
-            info!(subject = %pem.subject, signature_algorithm = alg.map(|a| a.description()), tls_server_end_point = %base64::encode(tls_server_end_point), "determined channel binding");
-            Ok(Self::Sha256(tls_server_end_point))
-        } else {
-            error!(subject = %pem.subject, signature_algorithm = alg.map(|a| a.description()), "unknown channel binding");
-            Ok(Self::Undefined)
-        }
-    }
-
-    pub fn supported(&self) -> bool {
-        !matches!(self, TlsServerEndPoint::Undefined)
-    }
-}
-
 #[derive(Default, Debug)]
 pub struct CertResolver {
     certs: HashMap<String, (Arc<rustls::sign::CertifiedKey>, TlsServerEndPoint)>,

proxy/core/src/console/provider.rs

@@ -16,9 +16,10 @@ use crate::{
     intern::ProjectIdInt,
     metrics::ApiLockMetrics,
     rate_limiter::{DynamicLimiter, Outcome, RateLimiterConfig, Token},
-    scram, EndpointCacheKey,
+    EndpointCacheKey,
 };
 use dashmap::DashMap;
+use proxy_sasl::scram;
 use std::{hash::Hash, sync::Arc, time::Duration};
 use tokio::time::Instant;
 use tracing::info;
@@ -469,15 +470,15 @@ impl<K: Hash + Eq + Clone> ApiLocks<K> {
         timeout: Duration,
         epoch: std::time::Duration,
         metrics: &'static ApiLockMetrics,
-    ) -> prometheus::Result<Self> {
-        Ok(Self {
+    ) -> Self {
+        Self {
             name,
             node_locks: DashMap::with_shard_amount(shards),
             config,
             timeout,
             epoch,
             metrics,
-        })
+        }
     }
 
     pub async fn get_permit(&self, key: &K) -> Result<WakeComputePermit, ApiLockError> {

proxy/core/src/console/provider/mock.rs

@@ -5,7 +5,7 @@ use super::{
     AuthInfo, AuthSecret, CachedNodeInfo, NodeInfo,
 };
 use crate::context::RequestMonitoring;
-use crate::{auth::backend::ComputeUserInfo, compute, error::io_error, scram, url::ApiUrl};
+use crate::{auth::backend::ComputeUserInfo, compute, error::io_error, url::ApiUrl};
 use crate::{auth::IpPattern, cache::Cached};
 use crate::{
     console::{
@@ -15,6 +15,7 @@ use crate::{
     BranchId, EndpointId, ProjectId,
 };
 use futures::TryFutureExt;
+use proxy_sasl::scram;
 use std::{str::FromStr, sync::Arc};
 use thiserror::Error;
 use tokio_postgres::{config::SslMode, Client};

proxy/core/src/console/provider/neon.rs

@@ -13,10 +13,11 @@ use crate::{
     http,
     metrics::{CacheOutcome, Metrics},
     rate_limiter::WakeComputeRateLimiter,
-    scram, EndpointCacheKey,
+    EndpointCacheKey,
 };
 use crate::{cache::Cached, context::RequestMonitoring};
 use futures::TryFutureExt;
+use proxy_sasl::scram;
 use std::{sync::Arc, time::Duration};
 use tokio::time::Instant;
 use tokio_postgres::config::SslMode;

proxy/core/src/http.rs

@@ -6,6 +6,12 @@ pub mod health_server;
 
 use std::time::Duration;
 
+use anyhow::bail;
+use bytes::Bytes;
+use http_body_util::BodyExt;
+use hyper1::body::Body;
+use serde::de::DeserializeOwned;
+
 pub use reqwest::{Request, Response, StatusCode};
 pub use reqwest_middleware::{ClientWithMiddleware, Error};
 pub use reqwest_retry::{policies::ExponentialBackoff, RetryTransientMiddleware};
@@ -96,6 +102,33 @@ impl Endpoint {
     }
 }
 
+pub async fn parse_json_body_with_limit<D: DeserializeOwned>(
+    mut b: impl Body<Data = Bytes, Error = reqwest::Error> + Unpin,
+    limit: usize,
+) -> anyhow::Result<D> {
+    // We could use `b.limited().collect().await.to_bytes()` here
+    // but this ends up being slightly more efficient as far as I can tell.
+
+    // check the lower bound of the size hint.
+    // in reqwest, this value is influenced by the Content-Length header.
+    let lower_bound = match usize::try_from(b.size_hint().lower()) {
+        Ok(bound) if bound <= limit => bound,
+        _ => bail!("content length exceeds limit"),
+    };
+    let mut bytes = Vec::with_capacity(lower_bound);
+
+    while let Some(frame) = b.frame().await.transpose()? {
+        if let Ok(data) = frame.into_data() {
+            if bytes.len() + data.len() > limit {
+                bail!("content length exceeds limit")
+            }
+            bytes.extend_from_slice(&data);
+        }
+    }
+
+    Ok(serde_json::from_slice::<D>(&bytes)?)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

proxy/core/src/lib.rs

@@ -21,13 +21,13 @@ pub mod intern;
 pub mod jemalloc;
 pub mod logging;
 pub mod metrics;
-pub mod parse;
+// pub mod parse;
 pub mod protocol2;
 pub mod proxy;
 pub mod rate_limiter;
 pub mod redis;
-pub mod sasl;
-pub mod scram;
+// pub mod sasl;
+// pub mod scram;
 pub mod serverless;
 pub mod stream;
 pub mod url;

proxy/core/src/metrics.rs

@@ -2,13 +2,14 @@ use std::sync::{Arc, OnceLock};
 
 use lasso::ThreadedRodeo;
 use measured::{
-    label::{FixedCardinalitySet, LabelGroupSet, LabelName, LabelSet, LabelValue, StaticLabelSet},
+    label::StaticLabelSet,
     metric::{histogram::Thresholds, name::MetricName},
-    Counter, CounterVec, FixedCardinalityLabel, Gauge, GaugeVec, Histogram, HistogramVec,
-    LabelGroup, MetricGroup,
+    Counter, CounterVec, FixedCardinalityLabel, Gauge, Histogram, HistogramVec, LabelGroup,
+    MetricGroup,
 };
 use metrics::{CounterPairAssoc, CounterPairVec, HyperLogLog, HyperLogLogVec};
 
+use proxy_sasl::scram::threadpool::ThreadPoolMetrics;
 use tokio::time::{self, Instant};
 
 use crate::console::messages::ColdStartInfo;
@@ -546,78 +547,3 @@ pub enum RedisEventsCount {
     PasswordUpdate,
     AllowedIpsUpdate,
 }
-
-pub struct ThreadPoolWorkers(usize);
-pub struct ThreadPoolWorkerId(pub usize);
-
-impl LabelValue for ThreadPoolWorkerId {
-    fn visit<V: measured::label::LabelVisitor>(&self, v: V) -> V::Output {
-        v.write_int(self.0 as i64)
-    }
-}
-
-impl LabelGroup for ThreadPoolWorkerId {
-    fn visit_values(&self, v: &mut impl measured::label::LabelGroupVisitor) {
-        v.write_value(LabelName::from_str("worker"), self);
-    }
-}
-
-impl LabelGroupSet for ThreadPoolWorkers {
-    type Group<'a> = ThreadPoolWorkerId;
-
-    fn cardinality(&self) -> Option<usize> {
-        Some(self.0)
-    }
-
-    fn encode_dense(&self, value: Self::Unique) -> Option<usize> {
-        Some(value)
-    }
-
-    fn decode_dense(&self, value: usize) -> Self::Group<'_> {
-        ThreadPoolWorkerId(value)
-    }
-
-    type Unique = usize;
-
-    fn encode(&self, value: Self::Group<'_>) -> Option<Self::Unique> {
-        Some(value.0)
-    }
-
-    fn decode(&self, value: &Self::Unique) -> Self::Group<'_> {
-        ThreadPoolWorkerId(*value)
-    }
-}
-
-impl LabelSet for ThreadPoolWorkers {
-    type Value<'a> = ThreadPoolWorkerId;
-
-    fn dynamic_cardinality(&self) -> Option<usize> {
-        Some(self.0)
-    }
-
-    fn encode(&self, value: Self::Value<'_>) -> Option<usize> {
-        (value.0 < self.0).then_some(value.0)
-    }
-
-    fn decode(&self, value: usize) -> Self::Value<'_> {
-        ThreadPoolWorkerId(value)
-    }
-}
-
-impl FixedCardinalitySet for ThreadPoolWorkers {
-    fn cardinality(&self) -> usize {
-        self.0
-    }
-}
-
-#[derive(MetricGroup)]
-#[metric(new(workers: usize))]
-pub struct ThreadPoolMetrics {
-    pub injector_queue_depth: Gauge,
-    #[metric(init = GaugeVec::with_label_set(ThreadPoolWorkers(workers)))]
-    pub worker_queue_depth: GaugeVec<ThreadPoolWorkers>,
-    #[metric(init = CounterVec::with_label_set(ThreadPoolWorkers(workers)))]
-    pub worker_task_turns_total: CounterVec<ThreadPoolWorkers>,
-    #[metric(init = CounterVec::with_label_set(ThreadPoolWorkers(workers)))]
-    pub worker_task_skips_total: CounterVec<ThreadPoolWorkers>,
-}

proxy/core/src/proxy/tests.rs

@@ -16,9 +16,10 @@ use crate::console::messages::{ConsoleError, Details, MetricsAuxInfo, Status};
 use crate::console::provider::{CachedAllowedIps, CachedRoleSecret, ConsoleBackend};
 use crate::console::{self, CachedNodeInfo, NodeInfo};
 use crate::error::ErrorKind;
-use crate::{http, sasl, scram, BranchId, EndpointId, ProjectId};
+use crate::{http, BranchId, EndpointId, ProjectId};
 use anyhow::{bail, Context};
 use async_trait::async_trait;
+use proxy_sasl::{sasl, scram};
 use retry::{retry_after, ShouldRetryWakeCompute};
 use rstest::rstest;
 use rustls::pki_types;
@@ -137,7 +138,7 @@ struct Scram(scram::ServerSecret);
 
 impl Scram {
     async fn new(password: &str) -> anyhow::Result<Self> {
-        let secret = scram::ServerSecret::build(password)
+        let secret = scram::ServerSecret::build_test_secret(password)
             .await
             .context("failed to generate scram secret")?;
         Ok(Scram(secret))

proxy/core/src/serverless/backend.rs

@@ -79,11 +79,11 @@ impl PoolingBackend {
         )
         .await?;
         let res = match auth_outcome {
-            crate::sasl::Outcome::Success(key) => {
+            proxy_sasl::sasl::Outcome::Success(key) => {
                 info!("user successfully authenticated");
                 Ok(key)
             }
-            crate::sasl::Outcome::Failure(reason) => {
+            proxy_sasl::sasl::Outcome::Failure(reason) => {
                 info!("auth backend failed with an error: {reason}");
                 Err(AuthError::auth_failed(&*conn_info.user_info.user))
             }

proxy/core/src/stream.rs

@@ -1,10 +1,10 @@
-use crate::config::TlsServerEndPoint;
 use crate::error::{ErrorKind, ReportableError, UserFacingError};
 use crate::metrics::Metrics;
 use bytes::BytesMut;
 
 use pq_proto::framed::{ConnectionError, Framed};
 use pq_proto::{BeMessage, FeMessage, FeStartupPacket, ProtocolError};
+use proxy_sasl::scram::TlsServerEndPoint;
 use rustls::ServerConfig;
 use std::pin::Pin;
 use std::sync::Arc;

proxy/pg_sni_router/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "pg_sni_router"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+
+[features]
+default = []
+testing = []
+
+[dependencies]
+proxy-sasl = { version = "0.1", path = "../sasl" }
+proxy-core = { version = "0.1", path = "../core" }
+
+anyhow.workspace = true
+clap.workspace = true
+futures.workspace = true
+git-version.workspace = true
+itertools.workspace = true
+pq_proto.workspace = true
+rustls-pemfile.workspace = true
+rustls.workspace = true
+socket2.workspace = true
+tokio-util.workspace = true
+tokio = { workspace = true, features = ["signal"] }
+tracing-utils.workspace = true
+tracing.workspace = true
+utils.workspace = true
+uuid.workspace = true

proxy/pg_sni_router/src/main.rs

@@ -7,17 +7,18 @@ use std::{net::SocketAddr, sync::Arc};
 
 use futures::future::Either;
 use itertools::Itertools;
-use proxy::config::TlsServerEndPoint;
-use proxy::context::RequestMonitoring;
-use proxy::metrics::{Metrics, ThreadPoolMetrics};
-use proxy::proxy::{copy_bidirectional_client_compute, run_until_cancelled, ErrorSource};
+use proxy_core::context::RequestMonitoring;
+use proxy_core::metrics::Metrics;
+use proxy_core::proxy::{copy_bidirectional_client_compute, run_until_cancelled, ErrorSource};
+use proxy_sasl::scram::threadpool::ThreadPoolMetrics;
+use proxy_sasl::scram::TlsServerEndPoint;
 use rustls::pki_types::PrivateKeyDer;
 use tokio::net::TcpListener;
 
 use anyhow::{anyhow, bail, ensure, Context};
 use clap::Arg;
 use futures::TryFutureExt;
-use proxy::stream::{PqStream, Stream};
+use proxy_core::stream::{PqStream, Stream};
 
 use tokio::io::{AsyncRead, AsyncWrite};
 use tokio_util::sync::CancellationToken;
@@ -62,7 +63,7 @@ fn cli() -> clap::Command {
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    let _logging_guard = proxy::logging::init().await?;
+    let _logging_guard = proxy_core::logging::init().await?;
     let _panic_hook_guard = utils::logging::replace_panic_hook_with_tracing_panic_hook();
     let _sentry_guard = init_sentry(Some(GIT_VERSION.into()), &[]);
 
@@ -133,14 +134,14 @@ async fn main() -> anyhow::Result<()> {
         proxy_listener,
         cancellation_token.clone(),
     ));
-    let signals_task = tokio::spawn(proxy::handle_signals(cancellation_token));
+    let signals_task = tokio::spawn(proxy_core::handle_signals(cancellation_token));
 
     // the signal task cant ever succeed.
     // the main task can error, or can succeed on cancellation.
     // we want to immediately exit on either of these cases
     let signal = match futures::future::select(signals_task, main).await {
-        Either::Left((res, _)) => proxy::flatten_err(res)?,
-        Either::Right((res, _)) => return proxy::flatten_err(res),
+        Either::Left((res, _)) => proxy_core::flatten_err(res)?,
+        Either::Right((res, _)) => return proxy_core::flatten_err(res),
     };
 
     // maintenance tasks return `Infallible` success values, this is an impossible value
@@ -180,7 +181,7 @@ async fn task_main(
                 let ctx = RequestMonitoring::new(
                     session_id,
                     peer_addr.ip(),
-                    proxy::metrics::Protocol::SniRouter,
+                    proxy_core::metrics::Protocol::SniRouter,
                     "sni",
                 );
                 handle_client(ctx, dest_suffix, tls_config, tls_server_end_point, socket).await
@@ -249,7 +250,7 @@ async fn ssl_handshake<S: AsyncRead + AsyncWrite + Unpin>(
                 "unexpected startup packet, rejecting connection"
             );
             stream
-                .throw_error_str(ERR_INSECURE_CONNECTION, proxy::error::ErrorKind::User)
+                .throw_error_str(ERR_INSECURE_CONNECTION, proxy_core::error::ErrorKind::User)
                 .await?
         }
     }

proxy/proxy/Cargo.toml

@@ -0,0 +1,34 @@
+[package]
+name = "proxy"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+
+[features]
+default = []
+testing = []
+
+[dependencies]
+proxy-sasl = { version = "0.1", path = "../sasl" }
+proxy-core = { version = "0.1", path = "../core" }
+
+anyhow.workspace = true
+aws-config.workspace = true
+clap.workspace = true
+futures.workspace = true
+git-version.workspace = true
+humantime.workspace = true
+itertools.workspace = true
+metrics.workspace = true
+pq_proto.workspace = true
+remote_storage = { version = "0.1", path = "../../libs/remote_storage/" }
+rustls-pemfile.workspace = true
+rustls.workspace = true
+socket2.workspace = true
+tikv-jemallocator.workspace = true
+tokio-util.workspace = true
+tokio = { workspace = true, features = ["signal"] }
+tracing-utils.workspace = true
+tracing.workspace = true
+utils.workspace = true
+uuid.workspace = true

proxy/proxy/src/main.rs

@@ -7,37 +7,37 @@ use aws_config::provider_config::ProviderConfig;
 use aws_config::web_identity_token::WebIdentityTokenCredentialsProvider;
 use aws_config::Region;
 use futures::future::Either;
-use proxy::auth;
-use proxy::auth::backend::AuthRateLimiter;
-use proxy::auth::backend::MaybeOwned;
-use proxy::cancellation::CancelMap;
-use proxy::cancellation::CancellationHandler;
-use proxy::config::remote_storage_from_toml;
-use proxy::config::AuthenticationConfig;
-use proxy::config::CacheOptions;
-use proxy::config::HttpConfig;
-use proxy::config::ProjectInfoCacheOptions;
-use proxy::console;
-use proxy::context::parquet::ParquetUploadArgs;
-use proxy::http;
-use proxy::http::health_server::AppMetrics;
-use proxy::metrics::Metrics;
-use proxy::rate_limiter::EndpointRateLimiter;
-use proxy::rate_limiter::LeakyBucketConfig;
-use proxy::rate_limiter::RateBucketInfo;
-use proxy::rate_limiter::WakeComputeRateLimiter;
-use proxy::redis::cancellation_publisher::RedisPublisherClient;
-use proxy::redis::connection_with_credentials_provider::ConnectionWithCredentialsProvider;
-use proxy::redis::elasticache;
-use proxy::redis::notifications;
-use proxy::scram::threadpool::ThreadPool;
-use proxy::serverless::cancel_set::CancelSet;
-use proxy::serverless::GlobalConnPoolOptions;
-use proxy::usage_metrics;
+use proxy_core::auth;
+use proxy_core::auth::backend::AuthRateLimiter;
+use proxy_core::auth::backend::MaybeOwned;
+use proxy_core::cancellation::CancelMap;
+use proxy_core::cancellation::CancellationHandler;
+use proxy_core::config::remote_storage_from_toml;
+use proxy_core::config::AuthenticationConfig;
+use proxy_core::config::CacheOptions;
+use proxy_core::config::HttpConfig;
+use proxy_core::config::ProjectInfoCacheOptions;
+use proxy_core::console;
+use proxy_core::context::parquet::ParquetUploadArgs;
+use proxy_core::http;
+use proxy_core::http::health_server::AppMetrics;
+use proxy_core::metrics::Metrics;
+use proxy_core::rate_limiter::EndpointRateLimiter;
+use proxy_core::rate_limiter::LeakyBucketConfig;
+use proxy_core::rate_limiter::RateBucketInfo;
+use proxy_core::rate_limiter::WakeComputeRateLimiter;
+use proxy_core::redis::cancellation_publisher::RedisPublisherClient;
+use proxy_core::redis::connection_with_credentials_provider::ConnectionWithCredentialsProvider;
+use proxy_core::redis::elasticache;
+use proxy_core::redis::notifications;
+use proxy_core::serverless::cancel_set::CancelSet;
+use proxy_core::serverless::GlobalConnPoolOptions;
+use proxy_core::usage_metrics;
 
 use anyhow::bail;
-use proxy::config::{self, ProxyConfig};
-use proxy::serverless;
+use proxy_core::config::{self, ProxyConfig};
+use proxy_core::serverless;
+use proxy_sasl::scram::threadpool::ThreadPool;
 use remote_storage::RemoteStorageConfig;
 use std::net::SocketAddr;
 use std::pin::pin;
@@ -268,7 +268,7 @@ struct SqlOverHttpArgs {
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    let _logging_guard = proxy::logging::init().await?;
+    let _logging_guard = proxy_core::logging::init().await?;
     let _panic_hook_guard = utils::logging::replace_panic_hook_with_tracing_panic_hook();
     let _sentry_guard = init_sentry(Some(GIT_VERSION.into()), &[]);
 
@@ -279,7 +279,7 @@ async fn main() -> anyhow::Result<()> {
         build_tag: BUILD_TAG,
     });
 
-    let jemalloc = match proxy::jemalloc::MetricRecorder::new() {
+    let jemalloc = match proxy_core::jemalloc::MetricRecorder::new() {
         Ok(t) => Some(t),
         Err(e) => {
             tracing::error!(error = ?e, "could not start jemalloc metrics loop");
@@ -394,7 +394,7 @@ async fn main() -> anyhow::Result<()> {
     >::new(
         cancel_map.clone(),
         redis_publisher,
-        proxy::metrics::CancellationSource::FromClient,
+        proxy_core::metrics::CancellationSource::FromClient,
     ));
 
     // bit of a hack - find the min rps and max rps supported and turn it into
@@ -419,7 +419,7 @@ async fn main() -> anyhow::Result<()> {
     // client facing tasks. these will exit on error or on cancellation
     // cancellation returns Ok(())
     let mut client_tasks = JoinSet::new();
-    client_tasks.spawn(proxy::proxy::task_main(
+    client_tasks.spawn(proxy_core::proxy::task_main(
         config,
         proxy_listener,
         cancellation_token.clone(),
@@ -443,20 +443,20 @@ async fn main() -> anyhow::Result<()> {
         ));
     }
 
-    client_tasks.spawn(proxy::context::parquet::worker(
+    client_tasks.spawn(proxy_core::context::parquet::worker(
         cancellation_token.clone(),
         args.parquet_upload,
     ));
 
     // maintenance tasks. these never return unless there's an error
     let mut maintenance_tasks = JoinSet::new();
-    maintenance_tasks.spawn(proxy::handle_signals(cancellation_token.clone()));
+    maintenance_tasks.spawn(proxy_core::handle_signals(cancellation_token.clone()));
     maintenance_tasks.spawn(http::health_server::task_main(
         http_listener,
         AppMetrics {
             jemalloc,
             neon_metrics,
-            proxy: proxy::metrics::Metrics::get(),
+            proxy: proxy_core::metrics::Metrics::get(),
         },
     ));
     maintenance_tasks.spawn(console::mgmt::task_main(mgmt_listener));
@@ -471,7 +471,7 @@ async fn main() -> anyhow::Result<()> {
     }
 
     if let auth::BackendType::Console(api, _) = &config.auth_backend {
-        if let proxy::console::provider::ConsoleBackend::Console(api) = &**api {
+        if let proxy_core::console::provider::ConsoleBackend::Console(api) = &**api {
             match (redis_notifications_client, regional_redis_client.clone()) {
                 (None, None) => {}
                 (client1, client2) => {
@@ -516,11 +516,11 @@ async fn main() -> anyhow::Result<()> {
         .await
         {
             // exit immediately on maintenance task completion
-            Either::Left((Some(res), _)) => break proxy::flatten_err(res)?,
+            Either::Left((Some(res), _)) => break proxy_core::flatten_err(res)?,
             // exit with error immediately if all maintenance tasks have ceased (should be caught by branch above)
             Either::Left((None, _)) => bail!("no maintenance tasks running. invalid state"),
             // exit immediately on client task error
-            Either::Right((Some(res), _)) => proxy::flatten_err(res)?,
+            Either::Right((Some(res), _)) => proxy_core::flatten_err(res)?,
             // exit if all our client tasks have shutdown gracefully
             Either::Right((None, _)) => return Ok(()),
         }
@@ -607,7 +607,7 @@ fn build_config(args: &ProxyCliArgs) -> anyhow::Result<&'static ProxyConfig> {
                 timeout,
                 epoch,
                 &Metrics::get().wake_compute_lock,
-            )?));
+            )));
             tokio::spawn(locks.garbage_collect_worker());
 
             let url = args.auth_endpoint.parse()?;
@@ -658,7 +658,7 @@ fn build_config(args: &ProxyCliArgs) -> anyhow::Result<&'static ProxyConfig> {
         timeout,
         epoch,
         &Metrics::get().proxy.connect_compute_lock,
-    )?;
+    );
 
     let http_config = HttpConfig {
         pool_options: GlobalConnPoolOptions {
@@ -707,7 +707,7 @@ mod tests {
     use std::time::Duration;
 
     use clap::Parser;
-    use proxy::rate_limiter::RateBucketInfo;
+    use proxy_core::rate_limiter::RateBucketInfo;
 
     #[test]
     fn parse_endpoint_rps_limit() {

proxy/sasl/Cargo.toml

@@ -0,0 +1,37 @@
+[package]
+name = "proxy-sasl"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+
+[features]
+default = []
+testing = []
+
+[dependencies]
+ahash.workspace = true
+anyhow.workspace = true
+base64.workspace = true
+bytes = { workspace = true, features = ["serde"] }
+crossbeam-deque.workspace = true
+hmac.workspace = true
+itertools.workspace = true
+lasso = { workspace = true, features = ["multi-threaded"] }
+measured = { workspace = true, features = ["lasso"] }
+parking_lot.workspace = true
+pq_proto.workspace = true
+rand.workspace = true
+rustls.workspace = true
+sha2 = { workspace = true, features = ["asm", "oid"] }
+subtle.workspace = true
+thiserror.workspace = true
+tokio = { workspace = true, features = ["signal"] }
+tracing.workspace = true
+x509-parser.workspace = true
+postgres-protocol.workspace = true
+
+workspace_hack.workspace = true
+
+[dev-dependencies]
+pbkdf2 = { workspace = true, features = ["simple", "std"] }
+uuid.workspace = true

proxy/sasl/src/lib.rs

@@ -0,0 +1,3 @@
+mod parse;
+pub mod sasl;
+pub mod scram;

proxy/sasl/src/parse.rs

@@ -0,0 +1,43 @@
+//! Small parsing helpers.
+
+use std::ffi::CStr;
+
+pub fn split_cstr(bytes: &[u8]) -> Option<(&CStr, &[u8])> {
+    let cstr = CStr::from_bytes_until_nul(bytes).ok()?;
+    let (_, other) = bytes.split_at(cstr.to_bytes_with_nul().len());
+    Some((cstr, other))
+}
+
+/// See <https://doc.rust-lang.org/std/primitive.slice.html#method.split_array_ref>.
+pub fn split_at_const<const N: usize>(bytes: &[u8]) -> Option<(&[u8; N], &[u8])> {
+    (bytes.len() >= N).then(|| {
+        let (head, tail) = bytes.split_at(N);
+        (head.try_into().unwrap(), tail)
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_split_cstr() {
+        assert!(split_cstr(b"").is_none());
+        assert!(split_cstr(b"foo").is_none());
+
+        let (cstr, rest) = split_cstr(b"\0").expect("uh-oh");
+        assert_eq!(cstr.to_bytes(), b"");
+        assert_eq!(rest, b"");
+
+        let (cstr, rest) = split_cstr(b"foo\0bar").expect("uh-oh");
+        assert_eq!(cstr.to_bytes(), b"foo");
+        assert_eq!(rest, b"bar");
+    }
+
+    #[test]
+    fn test_split_at_const() {
+        assert!(split_at_const::<0>(b"").is_some());
+        assert!(split_at_const::<1>(b"").is_none());
+        assert!(matches!(split_at_const::<1>(b"ok"), Some((b"o", b"k"))));
+    }
+}

proxy/sasl/src/sasl.rs

@@ -10,7 +10,7 @@ mod channel_binding;
 mod messages;
 mod stream;
 
-use crate::error::{ReportableError, UserFacingError};
+// use crate::error::{ReportableError, UserFacingError};
 use std::io;
 use thiserror::Error;
 
@@ -40,29 +40,29 @@ pub enum Error {
     Io(#[from] io::Error),
 }
 
-impl UserFacingError for Error {
-    fn to_string_client(&self) -> String {
-        use Error::*;
-        match self {
-            ChannelBindingFailed(m) => m.to_string(),
-            ChannelBindingBadMethod(m) => format!("unsupported channel binding method {m}"),
-            _ => "authentication protocol violation".to_string(),
-        }
-    }
-}
+// impl UserFacingError for Error {
+//     fn to_string_client(&self) -> String {
+//         use Error::*;
+//         match self {
+//             ChannelBindingFailed(m) => m.to_string(),
+//             ChannelBindingBadMethod(m) => format!("unsupported channel binding method {m}"),
+//             _ => "authentication protocol violation".to_string(),
+//         }
+//     }
+// }
 
-impl ReportableError for Error {
-    fn get_error_kind(&self) -> crate::error::ErrorKind {
-        match self {
-            Error::ChannelBindingFailed(_) => crate::error::ErrorKind::User,
-            Error::ChannelBindingBadMethod(_) => crate::error::ErrorKind::User,
-            Error::BadClientMessage(_) => crate::error::ErrorKind::User,
-            Error::MissingBinding => crate::error::ErrorKind::Service,
-            Error::Base64(_) => crate::error::ErrorKind::ControlPlane,
-            Error::Io(_) => crate::error::ErrorKind::ClientDisconnect,
-        }
-    }
-}
+// impl ReportableError for Error {
+//     fn get_error_kind(&self) -> crate::error::ErrorKind {
+//         match self {
+//             Error::ChannelBindingFailed(_) => crate::error::ErrorKind::User,
+//             Error::ChannelBindingBadMethod(_) => crate::error::ErrorKind::User,
+//             Error::BadClientMessage(_) => crate::error::ErrorKind::User,
+//             Error::MissingBinding => crate::error::ErrorKind::Service,
+//             Error::Base64(_) => crate::error::ErrorKind::ControlPlane,
+//             Error::Io(_) => crate::error::ErrorKind::ClientDisconnect,
+//         }
+//     }
+// }
 
 /// A convenient result type for SASL exchange.
 pub type Result<T> = std::result::Result<T, Error>;

proxy/sasl/src/sasl/stream.rs

@@ -1,7 +1,10 @@
 //! Abstraction for the string-oriented SASL protocols.
 
 use super::{messages::ServerMessage, Mechanism};
-use crate::stream::PqStream;
+use pq_proto::{
+    framed::{ConnectionError, Framed},
+    FeMessage, ProtocolError,
+};
 use std::io;
 use tokio::io::{AsyncRead, AsyncWrite};
 use tracing::info;
@@ -9,7 +12,7 @@ use tracing::info;
 /// Abstracts away all peculiarities of the libpq's protocol.
 pub struct SaslStream<'a, S> {
     /// The underlying stream.
-    stream: &'a mut PqStream<S>,
+    stream: &'a mut Framed<S>,
     /// Current password message we received from client.
     current: bytes::Bytes,
     /// First SASL message produced by client.
@@ -17,7 +20,7 @@ pub struct SaslStream<'a, S> {
 }
 
 impl<'a, S> SaslStream<'a, S> {
-    pub fn new(stream: &'a mut PqStream<S>, first: &'a str) -> Self {
+    pub fn new(stream: &'a mut Framed<S>, first: &'a str) -> Self {
         Self {
             stream,
             current: bytes::Bytes::new(),
@@ -26,6 +29,27 @@ impl<'a, S> SaslStream<'a, S> {
     }
 }
 
+fn err_connection() -> io::Error {
+    io::Error::new(io::ErrorKind::ConnectionAborted, "connection is lost")
+}
+
+pub async fn read_password_message<S: AsyncRead + Unpin>(
+    framed: &mut Framed<S>,
+) -> io::Result<bytes::Bytes> {
+    let msg = framed
+        .read_message()
+        .await
+        .map_err(ConnectionError::into_io_error)?
+        .ok_or_else(err_connection)?;
+    match msg {
+        FeMessage::PasswordMessage(msg) => Ok(msg),
+        bad => Err(io::Error::new(
+            io::ErrorKind::InvalidData,
+            format!("unexpected message type: {:?}", bad),
+        )),
+    }
+}
+
 impl<S: AsyncRead + Unpin> SaslStream<'_, S> {
     // Receive a new SASL message from the client.
     async fn recv(&mut self) -> io::Result<&str> {
@@ -33,7 +57,7 @@ impl<S: AsyncRead + Unpin> SaslStream<'_, S> {
             return Ok(first);
         }
 
-        self.current = self.stream.read_password_message().await?;
+        self.current = read_password_message(self.stream).await?;
         let s = std::str::from_utf8(&self.current)
             .map_err(|_| io::Error::new(io::ErrorKind::InvalidData, "bad encoding"))?;
 
@@ -44,7 +68,10 @@ impl<S: AsyncRead + Unpin> SaslStream<'_, S> {
 impl<S: AsyncWrite + Unpin> SaslStream<'_, S> {
     // Send a SASL message to the client.
     async fn send(&mut self, msg: &ServerMessage<&str>) -> io::Result<()> {
-        self.stream.write_message(&msg.to_reply()).await?;
+        self.stream
+            .write_message(&msg.to_reply())
+            .map_err(ProtocolError::into_io_error)?;
+        self.stream.flush().await?;
         Ok(())
     }
 }

proxy/sasl/src/scram.rs

@@ -15,12 +15,16 @@ mod secret;
 mod signature;
 pub mod threadpool;
 
+use anyhow::Context;
 pub use exchange::{exchange, Exchange};
 pub use key::ScramKey;
+use rustls::pki_types::CertificateDer;
 pub use secret::ServerSecret;
 
 use hmac::{Hmac, Mac};
 use sha2::{Digest, Sha256};
+use tracing::{error, info};
+use x509_parser::oid_registry;
 
 const SCRAM_SHA_256: &str = "SCRAM-SHA-256";
 const SCRAM_SHA_256_PLUS: &str = "SCRAM-SHA-256-PLUS";
@@ -57,12 +61,71 @@ fn sha256<'a>(parts: impl IntoIterator<Item = &'a [u8]>) -> [u8; 32] {
     hasher.finalize().into()
 }
 
+/// Channel binding parameter
+///
+/// <https://www.rfc-editor.org/rfc/rfc5929#section-4>
+/// Description: The hash of the TLS server's certificate as it
+/// appears, octet for octet, in the server's Certificate message.  Note
+/// that the Certificate message contains a certificate_list, in which
+/// the first element is the server's certificate.
+///
+/// The hash function is to be selected as follows:
+///
+/// * if the certificate's signatureAlgorithm uses a single hash
+///   function, and that hash function is either MD5 or SHA-1, then use SHA-256;
+///
+/// * if the certificate's signatureAlgorithm uses a single hash
+///   function and that hash function neither MD5 nor SHA-1, then use
+///   the hash function associated with the certificate's
+///   signatureAlgorithm;
+///
+/// * if the certificate's signatureAlgorithm uses no hash functions or
+///   uses multiple hash functions, then this channel binding type's
+///   channel bindings are undefined at this time (updates to is channel
+///   binding type may occur to address this issue if it ever arises).
+#[derive(Debug, Clone, Copy)]
+pub enum TlsServerEndPoint {
+    Sha256([u8; 32]),
+    Undefined,
+}
+
+impl TlsServerEndPoint {
+    pub fn new(cert: &CertificateDer) -> anyhow::Result<Self> {
+        let sha256_oids = [
+            // I'm explicitly not adding MD5 or SHA1 here... They're bad.
+            oid_registry::OID_SIG_ECDSA_WITH_SHA256,
+            oid_registry::OID_PKCS1_SHA256WITHRSA,
+        ];
+
+        let pem = x509_parser::parse_x509_certificate(cert)
+            .context("Failed to parse PEM object from cerficiate")?
+            .1;
+
+        info!(subject = %pem.subject, "parsing TLS certificate");
+
+        let reg = oid_registry::OidRegistry::default().with_all_crypto();
+        let oid = pem.signature_algorithm.oid();
+        let alg = reg.get(oid);
+        if sha256_oids.contains(oid) {
+            let tls_server_end_point: [u8; 32] = Sha256::new().chain_update(cert).finalize().into();
+            info!(subject = %pem.subject, signature_algorithm = alg.map(|a| a.description()), tls_server_end_point = %base64::encode(tls_server_end_point), "determined channel binding");
+            Ok(Self::Sha256(tls_server_end_point))
+        } else {
+            error!(subject = %pem.subject, signature_algorithm = alg.map(|a| a.description()), "unknown channel binding");
+            Ok(Self::Undefined)
+        }
+    }
+
+    pub fn supported(&self) -> bool {
+        !matches!(self, TlsServerEndPoint::Undefined)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::{
-        intern::EndpointIdInt,
         sasl::{Mechanism, Step},
-        EndpointId,
+        scram::TlsServerEndPoint,
     };
 
     use super::{threadpool::ThreadPool, Exchange, ServerSecret};
@@ -79,11 +142,7 @@ mod tests {
         const NONCE: [u8; 18] = [
             1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
         ];
-        let mut exchange = Exchange::new(
-            &secret,
-            || NONCE,
-            crate::config::TlsServerEndPoint::Undefined,
-        );
+        let mut exchange = Exchange::new(&secret, || NONCE, TlsServerEndPoint::Undefined);
 
         let client_first = "n,,n=user,r=rOprNGfwEbeRWgbNEkqO";
         let client_final = "c=biws,r=rOprNGfwEbeRWgbNEkqOAQIDBAUGBwgJCgsMDQ4PEBES,p=rw1r5Kph5ThxmaUBC2GAQ6MfXbPnNkFiTIvdb/Rear0=";
@@ -120,11 +179,11 @@ mod tests {
 
     async fn run_round_trip_test(server_password: &str, client_password: &str) {
         let pool = ThreadPool::new(1);
+        let ep = "foo";
 
-        let ep = EndpointId::from("foo");
-        let ep = EndpointIdInt::from(ep);
-
-        let scram_secret = ServerSecret::build(server_password).await.unwrap();
+        let scram_secret = ServerSecret::build_test_secret(server_password)
+            .await
+            .unwrap();
         let outcome = super::exchange(&pool, ep, &scram_secret, client_password.as_bytes())
             .await
             .unwrap();