Runner マニフェストの例
トラブルシューティング
- associative list with keys has an element that omits key field "protocol"

エージェントを使用して GitLab Runner をインストールします。

Kubernetes用のGitLabエージェントをインストールして設定したら、エージェントを使用してクラスターにGitLab Runnerをインストールすることができます。

このGitOpsワークフローでは、リポジトリにGitLab Runnerの設定ファイルが含まれ、クラスターが自動的にアップデートされます。

暗号化されていないGitLab Runnerのシークレットをrunner-manifest.yaml に追加すると、リポジトリファイル内のシークレットが公開される可能性があります。公開プロジェクトでGitOpsワークフローを使用する場合は、GitOpsワークフローでのKubernetesシークレットの管理を参照してください。

GitLab RunnerのHelmチャートの値をレビューします。

runner-chart-values.yaml ファイルを作成します。例えば

# The GitLab Server URL (with protocol) that you want to register the runner against
# ref: https://docs.gitlab.com/runner/commands/index.html#gitlab-runner-register
#
gitlabUrl: https://gitlab.my.domain.example.com/
   
# The registration token for adding new runners to the GitLab server
# Retrieve this value from your GitLab instance
# For more info: https://docs.gitlab.com/ee/ci/runners/index.html
#
runnerRegistrationToken: "yrnZW46BrtBFqM7xDzE7dddd"
   
# For RBAC support:
rbac:
    create: true
   
# Run all containers with the privileged flag enabled
# This flag allows the docker:dind image to run if you need to run Docker commands
# Read the docs before turning this on:
# https://docs.gitlab.com/runner/executors/kubernetes.html#using-dockerdind
runners:
    privileged: true

GitLab Runnerチャートをクラスター・エージェントと一緒にインストールするためのマニフェスト・ファイルを1つ作成します：
```
helm template --namespace GITLAB-NAMESPACE gitlab-runner -f runner-chart-values.yaml gitlab/gitlab-runner > runner-manifest.yaml
```
GITLAB-NAMESPACE をネームスペースに置き換えてください。例をご覧ください。

ServiceAccountのnamespace を含めるようにrunner-manifest.yaml ファイルを編集します。helm template の出力には、生成されたリソースにServiceAccount 名前空間が含まれません。

---
# Source: gitlab-runner/templates/service-account.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  annotations:
  name: gitlab-runner-gitlab-runner
  namespace: gitlab
  labels:
...

Kubernetes マニフェストを保管しているリポジトリにrunner-manifest.yaml をプッシュします。
GitOpsを使用してRunnerマニフェストを同期するようにエージェントを設定します。例えば
```
gitops:
  manifest_projects:
  - id: path/to/manifest/project
    paths:
    - glob: 'path/to/runner-manifest.yaml'
```
詳細については、GitOps 設定リファレンスを参照してください。

これで、エージェントがマニフェストの更新のためにリポジトリをチェックするたびに、クラスターがGitLab Runnerを含むように更新されます。

Runner マニフェストの例

この例はサンプルの Runner マニフェストファイルを示しています。プロジェクトのニーズに合わせて独自のmanifest.yaml ファイルを作成してください。

---
# Source: gitlab-runner/templates/service-account.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  annotations:
  name: gitlab-runner-gitlab-runner
  labels:
    app: gitlab-runner-gitlab-runner
    chart: gitlab-runner-0.51.0
    release: "gitlab-runner"
    heritage: "Helm"
---
# Source: gitlab-runner/templates/secrets.yaml
apiVersion: v1
kind: Secret
metadata:
  name: "gitlab-runner-gitlab-runner"
  labels:
    app: gitlab-runner-gitlab-runner
    chart: gitlab-runner-0.51.0
    release: "gitlab-runner"
    heritage: "Helm"
type: Opaque
data:
  runner-registration-token: "FAKE-TOKEN"
  runner-token: ""
---
# Source: gitlab-runner/templates/configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: gitlab-runner-gitlab-runner
  labels:
    app: gitlab-runner-gitlab-runner
    chart: gitlab-runner-0.51.0
    release: "gitlab-runner"
    heritage: "Helm"
data:
  entrypoint: |
    #!/bin/bash
    set -e
    mkdir -p /home/gitlab-runner/.gitlab-runner/
    cp /scripts/config.toml /home/gitlab-runner/.gitlab-runner/

    # Register the runner
    if [[ -f /secrets/accesskey && -f /secrets/secretkey ]]; then
      export CACHE_S3_ACCESS_KEY=$(cat /secrets/accesskey)
      export CACHE_S3_SECRET_KEY=$(cat /secrets/secretkey)
    fi

    if [[ -f /secrets/gcs-application-credentials-file ]]; then
      export GOOGLE_APPLICATION_CREDENTIALS="/secrets/gcs-application-credentials-file"
    elif [[ -f /secrets/gcs-application-credentials-file ]]; then
      export GOOGLE_APPLICATION_CREDENTIALS="/secrets/gcs-application-credentials-file"
    else
      if [[ -f /secrets/gcs-access-id && -f /secrets/gcs-private-key ]]; then
        export CACHE_GCS_ACCESS_ID=$(cat /secrets/gcs-access-id)
        # echo -e used to make private key multiline (in google json auth key private key is one line with \n)
        export CACHE_GCS_PRIVATE_KEY=$(echo -e $(cat /secrets/gcs-private-key))
      fi
    fi

    if [[ -f /secrets/runner-registration-token ]]; then
      export REGISTRATION_TOKEN=$(cat /secrets/runner-registration-token)
    fi

    if [[ -f /secrets/runner-token ]]; then
      export CI_SERVER_TOKEN=$(cat /secrets/runner-token)
    fi

    if ! sh /scripts/register-the-runner; then
      exit 1
    fi

    # Run pre-entrypoint-script
    if ! bash /scripts/pre-entrypoint-script; then
      exit 1
    fi

    # Start the runner
    exec /entrypoint run --user=gitlab-runner \
      --working-directory=/home/gitlab-runner

  config.toml: |
    concurrent = 10
    check_interval = 30
    log_level = "info"
    listen_address = ':9252'
  configure: |
    set -e
    cp /init-secrets/* /secrets
  register-the-runner: |
    #!/bin/bash
    MAX_REGISTER_ATTEMPTS=30

    for i in $(seq 1 "${MAX_REGISTER_ATTEMPTS}"); do
      echo "Registration attempt ${i} of ${MAX_REGISTER_ATTEMPTS}"
      /entrypoint register \
        --non-interactive

      retval=$?

      if [ ${retval} = 0 ]; then
        break
      elif [ ${i} = ${MAX_REGISTER_ATTEMPTS} ]; then
        exit 1
      fi

      sleep 5
    done

    exit 0

  check-live: |
    #!/bin/bash
    if /usr/bin/pgrep -f .*register-the-runner; then
      exit 0
    elif /usr/bin/pgrep gitlab.*runner; then
      exit 0
    else
      exit 1
    fi

  pre-entrypoint-script: |
---
# Source: gitlab-runner/templates/role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: "Role"
metadata:
  name: gitlab-runner-gitlab-runner
  labels:
    app: gitlab-runner-gitlab-runner
    chart: gitlab-runner-0.51.0
    release: "gitlab-runner"
    heritage: "Helm"
rules:
- apiGroups: [""]
  resources: ["*"]
  verbs: ["*"]
---
# Source: gitlab-runner/templates/role-binding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: "RoleBinding"
metadata:
  name: gitlab-runner-gitlab-runner
  labels:
    app: gitlab-runner-gitlab-runner
    chart: gitlab-runner-0.51.0
    release: "gitlab-runner"
    heritage: "Helm"
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: "Role"
  name: gitlab-runner-gitlab-runner
subjects:
- kind: ServiceAccount
  name: gitlab-runner-gitlab-runner
  namespace: "gitlab"
---
# Source: gitlab-runner/templates/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: gitlab-runner-gitlab-runner
  labels:
    app: gitlab-runner-gitlab-runner
    chart: gitlab-runner-0.51.0
    release: "gitlab-runner"
    heritage: "Helm"
spec:
  replicas: 1
  selector:
    matchLabels:
      app: gitlab-runner-gitlab-runner
  template:
    metadata:
      labels:
        app: gitlab-runner-gitlab-runner
        chart: gitlab-runner-0.51.0
        release: "gitlab-runner"
        heritage: "Helm"
      annotations:
        checksum/configmap: a6623303f6fcc3a043e87ea937bb8399d2d0068a901aa9c3419ed5c7a5afa9db
        checksum/secrets: 32c7d2c16918961b7b84a005680f748e774f61c6f4e4da30650d400d781bbb30
        prometheus.io/scrape: 'true'
        prometheus.io/port: '9252'
    spec:
      securityContext:
        runAsUser: 100
        fsGroup: 65533
      terminationGracePeriodSeconds: 3600
      initContainers:
      - name: configure
        command: ['sh', '/config/configure']
        image: gitlab/gitlab-runner:alpine-v13.4.1
        imagePullPolicy: "IfNotPresent"
        env:

        - name: CI_SERVER_URL
          value: "https://gitlab.qa.joaocunha.eu/"
        - name: CLONE_URL
          value: ""
        - name: RUNNER_REQUEST_CONCURRENCY
          value: "1"
        - name: RUNNER_EXECUTOR
          value: "kubernetes"
        - name: REGISTER_LOCKED
          value: "true"
        - name: RUNNER_TAG_LIST
          value: ""
        - name: RUNNER_OUTPUT_LIMIT
          value: "4096"
        - name: KUBERNETES_IMAGE
          value: "ubuntu:16.04"

        - name: KUBERNETES_PRIVILEGED
          value: "true"

        - name: KUBERNETES_NAMESPACE
          value: "gitlab"
        - name: KUBERNETES_POLL_TIMEOUT
          value: "180"
        - name: KUBERNETES_CPU_LIMIT
          value: ""
        - name: KUBERNETES_CPU_LIMIT_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_MEMORY_LIMIT
          value: ""
        - name: KUBERNETES_MEMORY_LIMIT_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_CPU_REQUEST
          value: ""
        - name: KUBERNETES_CPU_REQUEST_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_MEMORY_REQUEST
          value: ""
        - name: KUBERNETES_MEMORY_REQUEST_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_SERVICE_ACCOUNT
          value: ""
        - name: KUBERNETES_SERVICE_CPU_LIMIT
          value: ""
        - name: KUBERNETES_SERVICE_MEMORY_LIMIT
          value: ""
        - name: KUBERNETES_SERVICE_CPU_REQUEST
          value: ""
        - name: KUBERNETES_SERVICE_MEMORY_REQUEST
          value: ""
        - name: KUBERNETES_HELPER_CPU_LIMIT
          value: ""
        - name: KUBERNETES_HELPER_MEMORY_LIMIT
          value: ""
        - name: KUBERNETES_HELPER_CPU_REQUEST
          value: ""
        - name: KUBERNETES_HELPER_MEMORY_REQUEST
          value: ""
        - name: KUBERNETES_HELPER_IMAGE
          value: ""
        - name: KUBERNETES_PULL_POLICY
          value: ""
        volumeMounts:
        - name: runner-secrets
          mountPath: /secrets
          readOnly: false
        - name: scripts
          mountPath: /config
          readOnly: true
        - name: init-runner-secrets
          mountPath: /init-secrets
          readOnly: true
        resources:
          {}
      serviceAccountName: gitlab-runner-gitlab-runner
      containers:
      - name: gitlab-runner-gitlab-runner
        image: gitlab/gitlab-runner:alpine-v13.4.1
        imagePullPolicy: "IfNotPresent"
        lifecycle:
          preStop:
            exec:
              command: ["/entrypoint", "unregister", "--all-runners"]
        command: ["/bin/bash", "/scripts/entrypoint"]
        env:

        - name: CI_SERVER_URL
          value: "https://gitlab.qa.joaocunha.eu/"
        - name: CLONE_URL
          value: ""
        - name: RUNNER_REQUEST_CONCURRENCY
          value: "1"
        - name: RUNNER_EXECUTOR
          value: "kubernetes"
        - name: REGISTER_LOCKED
          value: "true"
        - name: RUNNER_TAG_LIST
          value: ""
        - name: RUNNER_OUTPUT_LIMIT
          value: "4096"
        - name: KUBERNETES_IMAGE
          value: "ubuntu:16.04"

        - name: KUBERNETES_PRIVILEGED
          value: "true"

        - name: KUBERNETES_NAMESPACE
          value: "gitlab"
        - name: KUBERNETES_POLL_TIMEOUT
          value: "180"
        - name: KUBERNETES_CPU_LIMIT
          value: ""
        - name: KUBERNETES_CPU_LIMIT_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_MEMORY_LIMIT
          value: ""
        - name: KUBERNETES_MEMORY_LIMIT_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_CPU_REQUEST
          value: ""
        - name: KUBERNETES_CPU_REQUEST_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_MEMORY_REQUEST
          value: ""
        - name: KUBERNETES_MEMORY_REQUEST_OVERWRITE_MAX_ALLOWED
          value: ""
        - name: KUBERNETES_SERVICE_ACCOUNT
          value: ""
        - name: KUBERNETES_SERVICE_CPU_LIMIT
          value: ""
        - name: KUBERNETES_SERVICE_MEMORY_LIMIT
          value: ""
        - name: KUBERNETES_SERVICE_CPU_REQUEST
          value: ""
        - name: KUBERNETES_SERVICE_MEMORY_REQUEST
          value: ""
        - name: KUBERNETES_HELPER_CPU_LIMIT
          value: ""
        - name: KUBERNETES_HELPER_MEMORY_LIMIT
          value: ""
        - name: KUBERNETES_HELPER_CPU_REQUEST
          value: ""
        - name: KUBERNETES_HELPER_MEMORY_REQUEST
          value: ""
        - name: KUBERNETES_HELPER_IMAGE
          value: ""
        - name: KUBERNETES_PULL_POLICY
          value: ""
        livenessProbe:
          exec:
            command: ["/bin/bash", "/scripts/check-live"]
          initialDelaySeconds: 60
          timeoutSeconds: 1
          periodSeconds: 10
          successThreshold: 1
          failureThreshold: 3
        readinessProbe:
          exec:
            command: ["/usr/bin/pgrep","gitlab.*runner"]
          initialDelaySeconds: 10
          timeoutSeconds: 1
          periodSeconds: 10
          successThreshold: 1
          failureThreshold: 3
        ports:
        - name: metrics
          containerPort: 9252
        volumeMounts:
        - name: runner-secrets
          mountPath: /secrets
        - name: etc-gitlab-runner
          mountPath: /home/gitlab-runner/.gitlab-runner
        - name: scripts
          mountPath: /scripts
        resources:
          {}
      volumes:
      - name: runner-secrets
        emptyDir:
          medium: "Memory"
      - name: etc-gitlab-runner
        emptyDir:
          medium: "Memory"
      - name: init-runner-secrets
        projected:
          sources:
            - secret:
                name: "gitlab-runner-gitlab-runner"
                items:
                  - key: runner-registration-token
                    path: runner-registration-token
                  - key: runner-token
                    path: runner-token
      - name: scripts
        configMap:
          name: gitlab-runner-gitlab-runner

トラブルシューティング

`associative list with keys has an element that omits key field "protocol"`

Kubernetes v1.19のバグのため、Kubernetes用のGitLabエージェントを使用してGitLab Runnerやその他のアプリケーションをインストールすると、このエラーが表示されることがあります。このエラーを修正するには

Kubernetesクラスターをv1.20以降にアップグレードしてください。

containers.ports サブセクションにprotocol: TCP を追加します：

 ...
 ports:
   - name: metrics
     containerPort: 9252
     protocol: TCP
 ...

エージェントを使用して GitLab Runner をインストールします。

Runner マニフェストの例

トラブルシューティング

`associative list with keys has an element that omits key field "protocol"`

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