neon/.circleci/config.yml

version: 2.1

executors:
  zenith-build-executor:
    resource_class: xlarge
    docker:
      - image: cimg/rust:1.56.1
  zenith-python-executor:
    docker:
      - image: cimg/python:3.7.10  # Oldest available 3.7 with Ubuntu 20.04 (for GLIBC and Rust) at CirlceCI

jobs:
  check-codestyle-rust:
    executor: zenith-build-executor
    steps:
      - checkout
      - run:
          name: rustfmt
          when: always
          command: |
            cargo fmt --all -- --check

  # A job to build postgres
  build-postgres:
    executor: zenith-build-executor
    parameters:
      build_type:
        type: enum
        enum: ["debug", "release"]
    environment:
      BUILD_TYPE: << parameters.build_type >>
    steps:
        # Checkout the git repo (circleci doesn't have a flag to enable submodules here)
      - checkout

        # Grab the postgres git revision to build a cache key.
        # Note this works even though the submodule hasn't been checkout out yet.
      - run:
          name: Get postgres cache key
          command: |
            git rev-parse HEAD:vendor/postgres > /tmp/cache-key-postgres

      - restore_cache:
          name: Restore postgres cache
          keys:
            # Restore ONLY if the rev key matches exactly
            - v04-postgres-cache-<< parameters.build_type >>-{{ checksum "/tmp/cache-key-postgres" }}

        # FIXME We could cache our own docker container, instead of installing packages every time.
      - run:
          name: apt install dependencies
          command: |
            if [ ! -e tmp_install/bin/postgres ]; then
              sudo apt update
              sudo apt install build-essential libreadline-dev zlib1g-dev flex bison libseccomp-dev
            fi

        # Build postgres if the restore_cache didn't find a build.
        # `make` can't figure out whether the cache is valid, since
        # it only compares file timestamps.
      - run:
          name: build postgres
          command: |
            if [ ! -e tmp_install/bin/postgres ]; then
              # "depth 1" saves some time by not cloning the whole repo
              git submodule update --init --depth 1
              make postgres -j8
            fi

      - save_cache:
          name: Save postgres cache
          key: v04-postgres-cache-<< parameters.build_type >>-{{ checksum "/tmp/cache-key-postgres" }}
          paths:
            - tmp_install

  # A job to build zenith rust code
  build-zenith:
    executor: zenith-build-executor
    parameters:
      build_type:
        type: enum
        enum: ["debug", "release"]
    environment:
      BUILD_TYPE: << parameters.build_type >>
    steps:
      - run:
          name: apt install dependencies
          command: |
            sudo apt update
            sudo apt install libssl-dev clang

        # Checkout the git repo (without submodules)
      - checkout

        # Grab the postgres git revision to build a cache key.
        # Note this works even though the submodule hasn't been checkout out yet.
      - run:
          name: Get postgres cache key
          command: |
            git rev-parse HEAD:vendor/postgres > /tmp/cache-key-postgres

      - restore_cache:
          name: Restore postgres cache
          keys:
            # Restore ONLY if the rev key matches exactly
            - v04-postgres-cache-<< parameters.build_type >>-{{ checksum "/tmp/cache-key-postgres" }}

      - restore_cache:
          name: Restore rust cache
          keys:
            # Require an exact match. While an out of date cache might speed up the build,
            # there's no way to clean out old packages, so the cache grows every time something
            # changes.
            - v04-rust-cache-deps-<< parameters.build_type >>-{{ checksum "Cargo.lock" }}

        # Build the rust code, including test binaries
      - run:
          name: Rust build << parameters.build_type >>
          command: |
            if [[ $BUILD_TYPE == "debug" ]]; then
              cov_prefix=(scripts/coverage "--profraw-prefix=$CIRCLE_JOB" --dir=/tmp/zenith/coverage run)
              CARGO_FLAGS=
            elif [[ $BUILD_TYPE == "release" ]]; then
              cov_prefix=()
              CARGO_FLAGS=--release
            fi

            export CARGO_INCREMENTAL=0
            "${cov_prefix[@]}" cargo build $CARGO_FLAGS --bins --tests

      - save_cache:
          name: Save rust cache
          key: v04-rust-cache-deps-<< parameters.build_type >>-{{ checksum "Cargo.lock" }}
          paths:
            - ~/.cargo/registry
            - ~/.cargo/git
            - target

        # Run style checks
        # has to run separately from cargo fmt section
        # since needs to run with dependencies
      - run:
          name: cargo clippy
          command: |
            if [[ $BUILD_TYPE == "debug" ]]; then
              cov_prefix=(scripts/coverage "--profraw-prefix=$CIRCLE_JOB" --dir=/tmp/zenith/coverage run)
            elif [[ $BUILD_TYPE == "release" ]]; then
              cov_prefix=()
            fi

            "${cov_prefix[@]}" ./run_clippy.sh

        # Run rust unit tests
      - run:
          name: cargo test
          command: |
            if [[ $BUILD_TYPE == "debug" ]]; then
              cov_prefix=(scripts/coverage "--profraw-prefix=$CIRCLE_JOB" --dir=/tmp/zenith/coverage run)
            elif [[ $BUILD_TYPE == "release" ]]; then
              cov_prefix=()
            fi

            "${cov_prefix[@]}" cargo test

        # Install the rust binaries, for use by test jobs
      - run:
          name: Install rust binaries
          command: |
            if [[ $BUILD_TYPE == "debug" ]]; then
              cov_prefix=(scripts/coverage "--profraw-prefix=$CIRCLE_JOB" --dir=/tmp/zenith/coverage run)
            elif [[ $BUILD_TYPE == "release" ]]; then
              cov_prefix=()
            fi

            binaries=$(
              "${cov_prefix[@]}" cargo metadata --format-version=1 --no-deps |
              jq -r '.packages[].targets[] | select(.kind | index("bin")) | .name'
            )

            test_exe_paths=$(
              "${cov_prefix[@]}" cargo test --message-format=json --no-run |
              jq -r '.executable | select(. != null)'
            )

            mkdir -p /tmp/zenith/bin
            mkdir -p /tmp/zenith/test_bin
            mkdir -p /tmp/zenith/etc

            # Install target binaries
            for bin in $binaries; do
              SRC=target/$BUILD_TYPE/$bin
              DST=/tmp/zenith/bin/$bin
              cp $SRC $DST
              echo $DST >> /tmp/zenith/etc/binaries.list
            done

            # Install test executables (for code coverage)
            if [[ $BUILD_TYPE == "debug" ]]; then
              for bin in $test_exe_paths; do
                SRC=$bin
                DST=/tmp/zenith/test_bin/$(basename $bin)
                cp $SRC $DST
                echo $DST >> /tmp/zenith/etc/binaries.list
              done
            fi

        # Install the postgres binaries, for use by test jobs
      - run:
          name: Install postgres binaries
          command: |
            cp -a tmp_install /tmp/zenith/pg_install

        # Save the rust binaries and coverage data for other jobs in this workflow.
      - persist_to_workspace:
          root: /tmp/zenith
          paths:
            - "*"

  check-codestyle-python:
    executor: zenith-python-executor
    steps:
      - checkout
      - run:
          name: Install deps
          command: pipenv --python 3.7 install --dev
      - run:
          name: Run yapf to ensure code format
          when: always
          command: pipenv run yapf --recursive --diff .
      - run:
          name: Run mypy to check types
          when: always
          command: pipenv run mypy .

  run-pytest:
    executor: zenith-python-executor
    parameters:
      # pytest args to specify the tests to run.
      #
      # This can be a test file name, e.g. 'test_pgbench.py, or a subdirectory,
      # or '-k foobar' to run tests containing string 'foobar'. See pytest man page
      # section SPECIFYING TESTS / SELECTING TESTS for details.
      #
      # Select the type of Rust build. Must be "release" or "debug".
      build_type:
        type: string
        default: "debug"
      # This parameter is required, to prevent the mistake of running all tests in one job.
      test_selection:
        type: string
        default: ""
      # Arbitrary parameters to pytest. For example "-s" to prevent capturing stdout/stderr
      extra_params:
        type: string
        default: ""
      needs_postgres_source:
        type: boolean
        default: false
      run_in_parallel:
        type: boolean
        default: true
      save_perf_report:
        type: boolean
        default: false
    environment:
      BUILD_TYPE: << parameters.build_type >>
    steps:
      - attach_workspace:
          at: /tmp/zenith
      - checkout
      - when:
          condition: << parameters.needs_postgres_source >>
          steps:
            - run: git submodule update --init --depth 1
      - run:
          name: Install deps
          command: pipenv --python 3.7 install
      - run:
          name: Run pytest
          # pytest doesn't output test logs in real time, so CI job may fail with
          # `Too long with no output` error, if a test is running for a long time.
          # In that case, tests should have internal timeouts that are less than
          # no_output_timeout, specified here.
          no_output_timeout: 10m
          environment:
            - ZENITH_BIN: /tmp/zenith/bin
            - POSTGRES_DISTRIB_DIR: /tmp/zenith/pg_install
            - TEST_OUTPUT: /tmp/test_output
            # this variable will be embedded in perf test report
            # and is needed to distinguish different environments
            - PLATFORM: zenith-local-ci
          command: |
            PERF_REPORT_DIR="$(realpath test_runner/perf-report-local)"

            TEST_SELECTION="test_runner/<< parameters.test_selection >>"
            EXTRA_PARAMS="<< parameters.extra_params >>"
            if [ -z "$TEST_SELECTION" ]; then
              echo "test_selection must be set"
              exit 1
            fi
            if << parameters.run_in_parallel >>; then
              EXTRA_PARAMS="-n4 $EXTRA_PARAMS"
            fi
            if << parameters.save_perf_report >>; then
              if [[ $CIRCLE_BRANCH == "main" ]]; then
                mkdir -p "$PERF_REPORT_DIR"
                EXTRA_PARAMS="--out-dir $PERF_REPORT_DIR $EXTRA_PARAMS"
              fi
            fi

            export GITHUB_SHA=$CIRCLE_SHA1

            if [[ $BUILD_TYPE == "debug" ]]; then
              cov_prefix=(scripts/coverage "--profraw-prefix=$CIRCLE_JOB" --dir=/tmp/zenith/coverage run)
            elif [[ $BUILD_TYPE == "release" ]]; then
              cov_prefix=()
            fi

            # Run the tests.
            #
            # The junit.xml file allows CircleCI to display more fine-grained test information
            # in its "Tests" tab in the results page.
            # --verbose prints name of each test (helpful when there are
            # multiple tests in one file)
            # -rA prints summary in the end
            # -n4 uses four processes to run tests via pytest-xdist
            # -s is not used to prevent pytest from capturing output, because tests are running
            # in parallel and logs are mixed between different tests
            "${cov_prefix[@]}" pipenv run pytest \
              --junitxml=$TEST_OUTPUT/junit.xml \
              --tb=short \
              --verbose \
              -m "not remote_cluster" \
              -rA $TEST_SELECTION $EXTRA_PARAMS

            if << parameters.save_perf_report >>; then
              if [[ $CIRCLE_BRANCH == "main" ]]; then
                # TODO: reuse scripts/git-upload
                export REPORT_FROM="$PERF_REPORT_DIR"
                export REPORT_TO=local
                scripts/generate_and_push_perf_report.sh
              fi
            fi
      - run:
          # CircleCI artifacts are preserved one file at a time, so skipping
          # this step isn't a good idea. If you want to extract the
          # pageserver state, perhaps a tarball would be a better idea.
          name: Delete all data but logs
          when: always
          command: |
            du -sh /tmp/test_output/*
            find /tmp/test_output -type f ! -name "pg.log" ! -name "pageserver.log" ! -name "safekeeper.log" ! -name "regression.diffs" ! -name "junit.xml" ! -name "*.filediff" ! -name "*.stdout" ! -name "*.stderr" -delete
            du -sh /tmp/test_output/*
      - store_artifacts:
          path: /tmp/test_output
      # The store_test_results step tells CircleCI where to find the junit.xml file.
      - store_test_results:
          path: /tmp/test_output
      # Save coverage data (if any)
      - persist_to_workspace:
          root: /tmp/zenith
          paths:
            - "*"

  coverage-report:
    executor: zenith-build-executor
    steps:
      - attach_workspace:
          at: /tmp/zenith
      - checkout
      - restore_cache:
          name: Restore rust cache
          keys:
            # Require an exact match. While an out of date cache might speed up the build,
            # there's no way to clean out old packages, so the cache grows every time something
            # changes.
            - v04-rust-cache-deps-debug-{{ checksum "Cargo.lock" }}
      - run:
          name: Install llvm-tools
          command: |
            # TODO: install a proper symbol demangler, e.g. rustfilt
            # TODO: we should embed this into a docker image
            rustup component add llvm-tools-preview
      - run:
          name: Build coverage report
          command: |
            COMMIT_URL=https://github.com/zenithdb/zenith/commit/$CIRCLE_SHA1

            scripts/coverage \
              --dir=/tmp/zenith/coverage report \
              --input-objects=/tmp/zenith/etc/binaries.list \
              --commit-url=$COMMIT_URL \
              --format=github
      - run:
          name: Upload coverage report
          command: |
            LOCAL_REPO=$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME
            REPORT_URL=https://zenithdb.github.io/zenith-coverage-data/$CIRCLE_SHA1
            COMMIT_URL=https://github.com/zenithdb/zenith/commit/$CIRCLE_SHA1

            scripts/git-upload \
              --repo=https://$VIP_VAP_ACCESS_TOKEN@github.com/zenithdb/zenith-coverage-data.git \
              --message="Add code coverage for $COMMIT_URL" \
              copy /tmp/zenith/coverage/report $CIRCLE_SHA1 # COPY FROM TO_RELATIVE

            # Add link to the coverage report to the commit
            curl -f -X POST \
            https://api.github.com/repos/$LOCAL_REPO/statuses/$CIRCLE_SHA1 \
            -H "Accept: application/vnd.github.v3+json" \
            --user "$CI_ACCESS_TOKEN" \
            --data \
              "{
                \"state\": \"success\",
                \"context\": \"zenith-coverage\",
                \"description\": \"Coverage report is ready\",
                \"target_url\": \"$REPORT_URL\"
              }"

  # Build zenithdb/zenith:latest image and push it to Docker hub
  docker-image:
    docker:
      - image: cimg/base:2021.04
    steps:
      - checkout
      - setup_remote_docker:
          docker_layer_caching: true
      - run:
          name: Init postgres submodule
          command: git submodule update --init --depth 1
      - run:
          name: Build and push Docker image
          command: |
            echo $DOCKER_PWD | docker login -u $DOCKER_LOGIN --password-stdin
            DOCKER_TAG=$(git log --oneline|wc -l)
            docker build --build-arg GIT_VERSION=$CIRCLE_SHA1 -t zenithdb/zenith:latest . && docker push zenithdb/zenith:latest
            docker tag zenithdb/zenith:latest zenithdb/zenith:${DOCKER_TAG} && docker push zenithdb/zenith:${DOCKER_TAG}

  # Build zenithdb/compute-node:latest image and push it to Docker hub
  docker-image-compute:
    docker:
      - image: cimg/base:2021.04
    steps:
      - checkout
      - setup_remote_docker:
          docker_layer_caching: true
      - run:
          name: Init postgres submodule
          command: git submodule update --init --depth 1
      - run:
          name: Build and push Docker image
          command: |
            echo $DOCKER_PWD | docker login -u $DOCKER_LOGIN --password-stdin
            DOCKER_TAG=$(git log --oneline|wc -l)
            docker build -t zenithdb/compute-node:latest vendor/postgres && docker push zenithdb/compute-node:latest
            docker tag zenithdb/compute-node:latest zenithdb/compute-node:${DOCKER_TAG} && docker push zenithdb/compute-node:${DOCKER_TAG}

  deploy-staging:
    docker:
      - image: cimg/python:3.10
    steps:
      - checkout
      - setup_remote_docker
      - run:
          name: Get Zenith binaries
          command: |
            rm -rf zenith_install postgres_install.tar.gz zenith_install.tar.gz
            mkdir zenith_install
            DOCKER_TAG=$(git log --oneline|wc -l)
            docker pull --quiet zenithdb/zenith:${DOCKER_TAG}
            ID=$(docker create zenithdb/zenith:${DOCKER_TAG})
            docker cp $ID:/data/postgres_install.tar.gz .
            tar -xzf postgres_install.tar.gz -C zenith_install && rm postgres_install.tar.gz
            docker cp $ID:/usr/local/bin/pageserver zenith_install/bin/
            docker cp $ID:/usr/local/bin/safekeeper zenith_install/bin/
            docker cp $ID:/usr/local/bin/proxy zenith_install/bin/
            docker cp $ID:/usr/local/bin/postgres zenith_install/bin/
            docker rm -v $ID
            echo ${DOCKER_TAG} | tee zenith_install/.zenith_current_version
            tar -czf zenith_install.tar.gz -C zenith_install .
            ls -la zenith_install.tar.gz
      - run:
          name: Setup ansible
          command: |
            pip install --progress-bar off --user ansible boto3
            ansible-galaxy collection install amazon.aws
      - run:
          name: Apply re-deploy playbook
          environment:
            ANSIBLE_HOST_KEY_CHECKING: false
          command: |
            echo "${STAGING_SSH_KEY}" | base64 --decode | ssh-add -
            export AWS_REGION=${STAGING_AWS_REGION}
            export AWS_ACCESS_KEY_ID=${STAGING_AWS_ACCESS_KEY_ID}
            export AWS_SECRET_ACCESS_KEY=${STAGING_AWS_SECRET_ACCESS_KEY}
            ansible-playbook .circleci/storage-redeploy.playbook.yml
            rm -f zenith_install.tar.gz

  deploy-staging-proxy:
    docker:
      - image: cimg/base:2021.04
    environment:
      KUBECONFIG: .kubeconfig
    steps:
      - checkout
      - run:
          name: Store kubeconfig file
          command: |
            echo "${STAGING_KUBECONFIG_DATA}" | base64 --decode > ${KUBECONFIG}
            chmod 0600 ${KUBECONFIG}
      - run:
          name: Setup helm v3
          command: |
            curl -s https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
            helm repo add zenithdb https://zenithdb.github.io/helm-charts
      - run:
          name: Re-deploy proxy
          command: |
            DOCKER_TAG=$(git log --oneline|wc -l)
            helm upgrade zenith-proxy zenithdb/zenith-proxy --install -f .circleci/proxy.staging.yaml --set image.tag=${DOCKER_TAG} --wait

  # Trigger a new remote CI job
  remote-ci-trigger:
    docker:
      - image: cimg/base:2021.04
    parameters:
      remote_repo:
        type: string
    environment:
      REMOTE_REPO: << parameters.remote_repo >>
    steps:
      - run:
          name: Set PR's status to pending
          command: |
            LOCAL_REPO=$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME

            curl -f -X POST \
            https://api.github.com/repos/$LOCAL_REPO/statuses/$CIRCLE_SHA1 \
            -H "Accept: application/vnd.github.v3+json" \
            --user "$CI_ACCESS_TOKEN" \
            --data \
              "{
                \"state\": \"pending\",
                \"context\": \"zenith-remote-ci\",
                \"description\": \"[$REMOTE_REPO] Remote CI job is about to start\"
              }"
      - run:
          name: Request a remote CI test
          command: |
            LOCAL_REPO=$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME

            curl -f -X POST \
            https://api.github.com/repos/$REMOTE_REPO/actions/workflows/testing.yml/dispatches \
            -H "Accept: application/vnd.github.v3+json" \
            --user "$CI_ACCESS_TOKEN" \
            --data \
              "{
                \"ref\": \"main\",
                \"inputs\": {
                  \"ci_job_name\": \"zenith-remote-ci\",
                  \"commit_hash\": \"$CIRCLE_SHA1\",
                  \"remote_repo\": \"$LOCAL_REPO\"
                }
              }"

workflows:
  build_and_test:
    jobs:
      - check-codestyle-rust
      - check-codestyle-python
      - build-postgres:
          name: build-postgres-<< matrix.build_type >>
          matrix:
            parameters:
              build_type: ["debug", "release"]
      - build-zenith:
          name: build-zenith-<< matrix.build_type >>
          matrix:
            parameters:
              build_type: ["debug", "release"]
          requires:
            - build-postgres-<< matrix.build_type >>
      - run-pytest:
          name: pg_regress-tests-<< matrix.build_type >>
          matrix:
            parameters:
              build_type: ["debug", "release"]
          test_selection: batch_pg_regress
          needs_postgres_source: true
          requires:
            - build-zenith-<< matrix.build_type >>
      - run-pytest:
          name: other-tests-<< matrix.build_type >>
          matrix:
            parameters:
              build_type: ["debug", "release"]
          test_selection: batch_others
          requires:
            - build-zenith-<< matrix.build_type >>
      - run-pytest:
          name: benchmarks
          build_type: release
          test_selection: performance
          run_in_parallel: false
          save_perf_report: true
          requires:
            - build-zenith-release
      - coverage-report:
          # Context passes credentials for gh api
          context: CI_ACCESS_TOKEN
          requires:
            # TODO: consider adding more
            - other-tests-debug
      - docker-image:
          # Context gives an ability to login
          context: Docker Hub
          # Build image only for commits to main
          filters:
            branches:
              only:
                - main
          requires:
            - pg_regress-tests-release
            - other-tests-release
      - docker-image-compute:
          # Context gives an ability to login
          context: Docker Hub
          # Build image only for commits to main
          filters:
            branches:
              only:
                - main
          requires:
            - pg_regress-tests-release
            - other-tests-release
      - deploy-staging:
          # Context gives an ability to login
          context: Docker Hub
          # deploy only for commits to main
          filters:
            branches:
              only:
                - main
          requires:
            - docker-image
      - deploy-staging-proxy:
          # deploy only for commits to main
          filters:
            branches:
              only:
                - main
          requires:
            - docker-image
      - remote-ci-trigger:
          # Context passes credentials for gh api
          context: CI_ACCESS_TOKEN
          remote_repo: "zenithdb/console"
          requires:
            # XXX: Successful build doesn't mean everything is OK, but
            # the job to be triggered takes so much time to complete (~22 min)
            # that it's better not to wait for the commented-out steps
            - build-zenith-debug
            # - pg_regress-tests-release
            # - other-tests-release