chore: run fuzz tests with kafka remote wal (#4105)

* chore: add fuzz tests with kafka

* chore(ci): use minio

* chore: add empty line

* chore(ci): refactor

* chore: add empty line

* fix: update config

* fix: add default value for `MetaClientOptions`

* fix: remove redundant `debug_assert`

* chore: run fuzz tests with disk cache

* chore: remove redundant minio setup

* chore: cache targets

* Revert "chore: run fuzz tests with disk cache"

This reverts commit d81783187d.

* chore: fix typo

* chore: apply suggestions from CR

* Revert "fix: remove redundant `debug_assert`"

This reverts commit 09b899eed1.

.github/actions/setup-greptimedb-cluster/action.yml

@@ -22,6 +22,9 @@ inputs:
   etcd-endpoints:
     default: "etcd.etcd-cluster.svc.cluster.local:2379"
     description: "Etcd endpoints"
+  values-filename:
+    default: "with-minio.yaml"
+    
 
 runs:
   using: composite
@@ -57,7 +60,7 @@ runs:
         greptime/greptimedb-cluster \
         --create-namespace \
         -n my-greptimedb \
-        --values ./.github/actions/setup-greptimedb-cluster/values.yaml \
+        --values ./.github/actions/setup-greptimedb-cluster/${{ inputs.values-filename }} \
         --wait \
         --wait-for-jobs
   - name: Wait for GreptimeDB

.github/actions/setup-greptimedb-cluster/with-disk.yaml

@@ -15,4 +15,4 @@ frontend:
     [runtime]
     read_rt_size = 8
     write_rt_size = 8
-    bg_rt_size = 8
+    bg_rt_size = 8

.github/actions/setup-greptimedb-cluster/with-minio.yaml

@@ -0,0 +1,34 @@
+meta:
+  config: |-
+    [runtime]
+    read_rt_size = 8
+    write_rt_size = 8
+    bg_rt_size = 8
+    
+    [datanode]
+    [datanode.client]
+    timeout = "60s"
+datanode:
+  config: |-
+    [runtime]
+    read_rt_size = 8
+    write_rt_size = 8
+    bg_rt_size = 8
+frontend:
+  config: |-
+    [runtime]
+    read_rt_size = 8
+    write_rt_size = 8
+    bg_rt_size = 8
+
+    [meta_client]
+    ddl_timeout = "60s"
+objectStorage:
+  s3:
+    bucket: default
+    region: us-west-2
+    root: test-root
+    endpoint: http://minio.minio.svc.cluster.local 
+  credentials:
+    accessKeyId: rootuser
+    secretAccessKey: rootpass123

.github/actions/setup-greptimedb-cluster/with-remote-wal.yaml

@@ -0,0 +1,45 @@
+meta:
+  config: |-
+    [runtime]
+    read_rt_size = 8
+    write_rt_size = 8
+    bg_rt_size = 8
+    
+    [wal]
+    provider = "kafka"
+    broker_endpoints = ["kafka.kafka-cluster.svc.cluster.local:9092"]
+    num_topics = 3
+
+        
+    [datanode]
+    [datanode.client]
+    timeout = "60s"
+datanode:
+  config: |-
+    [runtime]
+    read_rt_size = 8
+    write_rt_size = 8
+    bg_rt_size = 8
+
+    [wal]
+    provider = "kafka"
+    broker_endpoints = ["kafka.kafka-cluster.svc.cluster.local:9092"]
+    linger = "2ms"
+frontend:
+  config: |-
+    [runtime]
+    read_rt_size = 8
+    write_rt_size = 8
+    bg_rt_size = 8
+
+    [meta_client]
+    ddl_timeout = "60s"
+objectStorage:
+  s3:
+    bucket: default
+    region: us-west-2
+    root: test-root
+    endpoint: http://minio.minio.svc.cluster.local 
+  credentials:
+    accessKeyId: rootuser
+    secretAccessKey: rootpass123

.github/actions/setup-kafka-cluster/action.yml

@@ -0,0 +1,24 @@
+name: Setup Kafka cluster
+description: Deploy Kafka cluster on Kubernetes
+inputs:
+  controller-replicas:
+    default: 3
+    description: "Kafka controller replicas"
+  namespace:
+    default: "kafka-cluster"
+
+runs:
+  using: composite
+  steps:
+  - name: Install Kafka cluster
+    shell: bash
+    run: | 
+      helm upgrade \
+        --install kafka oci://registry-1.docker.io/bitnamicharts/kafka \
+        --set controller.replicaCount=${{ inputs.controller-replicas }} \
+        --set controller.resources.requests.cpu=50m \
+        --set controller.resources.requests.memory=128Mi \
+        --set listeners.controller.protocol=PLAINTEXT \
+        --set listeners.client.protocol=PLAINTEXT \
+        --create-namespace \
+        -n ${{ inputs.namespace }}

.github/actions/setup-minio/action.yml

@@ -0,0 +1,24 @@
+name: Setup Minio cluster
+description: Deploy Minio cluster on Kubernetes
+inputs:
+  replicas:
+    default: 1
+    description: "replicas"
+
+runs:
+  using: composite
+  steps:
+  - name: Install Etcd cluster
+    shell: bash
+    run: | 
+      helm repo add minio https://charts.min.io/
+      helm upgrade --install minio \
+      --set resources.requests.memory=128Mi \
+      --set replicas=${{ inputs.replicas }} \
+      --set mode=standalone \
+      --set rootUser=rootuser,rootPassword=rootpass123 \
+      --set buckets[0].name=default \
+      --set service.port=80,service.targetPort=9000 \
+      minio/minio \
+      --create-namespace \
+      -n minio

.github/workflows/develop.yml

@@ -155,7 +155,6 @@ jobs:
         with:
           # Shares across multiple jobs
           shared-key: "fuzz-test-targets"
-          cache-targets: "false"
       - name: Set Rust Fuzz
         shell: bash
         run: |
@@ -203,7 +202,6 @@ jobs:
         with:
           # Shares across multiple jobs
           shared-key: "fuzz-test-targets"
-          cache-targets: "false"
       - name: Set Rust Fuzz
         shell: bash
         run: |
@@ -277,16 +275,35 @@ jobs:
           version: current
 
   distributed-fuzztest: 
-    name: Fuzz Test (Distributed, Disk)
+    name: Fuzz Test (Distributed, ${{ matrix.mode.name }}, ${{ matrix.target }})
     runs-on: ubuntu-latest
     needs:  build-greptime-ci
     strategy:
       matrix:
         target: [ "fuzz_create_table", "fuzz_alter_table", "fuzz_create_database", "fuzz_create_logical_table", "fuzz_alter_logical_table", "fuzz_insert", "fuzz_insert_logical_table" ]
+        mode: 
+          - name: "Disk"
+            minio: false
+            kafka: false
+            values: "with-disk.yaml"
+          - name: "Minio"
+            minio: true
+            kafka: false
+            values: "with-minio.yaml"
+          - name: "Remote WAL"
+            minio: true
+            kafka: true
+            values: "with-remote-wal.yaml"
     steps:
       - uses: actions/checkout@v4
       - name: Setup Kind
         uses: ./.github/actions/setup-kind
+      - if: matrix.mode.minio
+        name: Setup Minio
+        uses: ./.github/actions/setup-minio
+      - if: matrix.mode.kafka
+        name: Setup Kafka cluser
+        uses: ./.github/actions/setup-kafka-cluster
       - name: Setup Etcd cluser
         uses: ./.github/actions/setup-etcd-cluster
       # Prepares for fuzz tests
@@ -301,7 +318,6 @@ jobs:
         with:
           # Shares across multiple jobs
           shared-key: "fuzz-test-targets"
-          cache-targets: "false"
       - name: Set Rust Fuzz
         shell: bash
         run: |
@@ -327,6 +343,22 @@ jobs:
             pod -l app.kubernetes.io/instance=etcd \
             --timeout=120s \
             -n etcd-cluster
+      - if: matrix.mode.minio
+        name: Wait for minio
+        run: |
+          kubectl wait \
+            --for=condition=Ready \
+            pod -l app=minio \
+            --timeout=120s \
+            -n minio
+      - if: matrix.mode.kafka
+        name: Wait for kafka
+        run: |
+          kubectl wait \
+            --for=condition=Ready \
+            pod -l app.kubernetes.io/instance=kafka \
+            --timeout=120s \
+            -n kafka-cluster
       - name: Print etcd info
         shell: bash
         run: kubectl get all --show-labels -n etcd-cluster
@@ -335,6 +367,7 @@ jobs:
         uses: ./.github/actions/setup-greptimedb-cluster
         with:
           image-registry: localhost:5001
+          values-filename: ${{ matrix.mode.values }}
       - name: Port forward (mysql)
         run: |
           kubectl port-forward service/my-greptimedb-frontend 4002:4002 -n my-greptimedb&
@@ -360,7 +393,7 @@ jobs:
         if: failure()
         uses: actions/upload-artifact@v4
         with:
-          name: fuzz-tests-kind-logs-${{ matrix.target }}
+          name: fuzz-tests-kind-logs-${{ matrix.mode.name }}-${{ matrix.target }}
           path: /tmp/kind
           retention-days: 3
       - name: Delete cluster