ARC Config MCP Server

# ARC RunnerDeployment Example # This creates a basic GitHub Actions runner deployment for repository-level runners apiVersion: actions.summerwind.dev/v1alpha1 kind: RunnerDeployment metadata: name: example-runner-deployment namespace: arc-runners labels: app.kubernetes.io/name: github-actions-runner app.kubernetes.io/component: runner environment: development spec: # Number of runner replicas # Number of runner replicas - default 4 to handle 4 concurrent parallel jobs replicas: 4 template: spec: # Repository configuration repository: your-org/your-repo # GitHub Personal Access Token (stored in secret) githubAPICredentialsFrom: secretRef: name: controller-manager key: github_token # Runner labels (used for job targeting) labels: - self-hosted - linux - x64 - arc-managed - development # Resource requirements resources: requests: memory: "1Gi" cpu: "500m" limits: memory: "2Gi" cpu: "1000m" # Container image configuration image: summerwind/actions-runner:latest imagePullPolicy: Always # Security context securityContext: runAsUser: 1001 runAsGroup: 121 runAsNonRoot: true fsGroup: 121 # Environment variables env: - name: RUNNER_WORKDIR value: /tmp/runner - name: RUNNER_NAME_PREFIX value: arc-runner - name: DISABLE_RUNNER_UPDATE value: "true" # Node selector for specific node types nodeSelector: kubernetes.io/arch: amd64 node-type: github-actions # Tolerations for dedicated nodes tolerations: - key: "dedicated" operator: "Equal" value: "github-actions" effect: "NoSchedule" # Affinity rules affinity: podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: - weight: 100 podAffinityTerm: labelSelector: matchExpressions: - key: app.kubernetes.io/name operator: In values: - github-actions-runner topologyKey: kubernetes.io/hostname # Volume mounts for Docker-in-Docker or Docker socket volumes: - name: docker-sock hostPath: path: /var/run/docker.sock - name: runner-workspace emptyDir: {} volumeMounts: - name: docker-sock mountPath: /var/run/docker.sock - name: runner-workspace mountPath: /tmp/runner # Ephemeral runners (terminate after job completion) ephemeral: false # Runner timeout runnerScaleSetName: example-runners --- # RunnerSet with Horizontal Pod Autoscaler apiVersion: actions.summerwind.dev/v1alpha1 kind: RunnerSet metadata: name: example-runner-set namespace: arc-runners labels: app.kubernetes.io/name: github-actions-runner-set app.kubernetes.io/component: runner-set environment: development spec: # Organization-level runners (alternative to repository) organization: your-organization # GitHub Personal Access Token githubAPICredentialsFrom: secretRef: name: controller-manager key: github_token # Runner configuration template: spec: # Runner labels labels: - self-hosted - linux - x64 - arc-managed - org-runners # Resource requirements resources: requests: memory: "2Gi" cpu: "1000m" limits: memory: "4Gi" cpu: "2000m" # Enhanced image with additional tools image: summerwind/actions-runner:latest # Security configuration securityContext: runAsUser: 1001 runAsNonRoot: true allowPrivilegeEscalation: false capabilities: drop: - ALL seccompProfile: type: RuntimeDefault # Environment variables env: - name: RUNNER_WORKDIR value: /tmp/runner - name: RUNNER_FEATURE_FLAG_ONCE value: "true" - name: ACTIONS_RUNNER_REQUIRE_JOB_CONTAINER value: "false" # Init containers for setup initContainers: - name: setup-runner image: busybox:latest command: ['sh', '-c', 'echo "Setting up runner environment"'] securityContext: runAsUser: 1001 runAsNonRoot: true # Sidecar containers for monitoring sidecarContainers: - name: log-collector image: fluent/fluent-bit:latest resources: requests: memory: "64Mi" cpu: "50m" limits: memory: "128Mi" cpu: "100m" --- # HorizontalPodAutoscaler for automatic scaling apiVersion: autoscaling/v2 kind: HorizontalPodAutoscaler metadata: name: example-runner-hpa namespace: arc-runners labels: app.kubernetes.io/name: github-actions-runner-hpa app.kubernetes.io/component: autoscaler spec: scaleTargetRef: apiVersion: actions.summerwind.dev/v1alpha1 kind: RunnerDeployment name: example-runner-deployment # Scaling configuration # Minimum replicas for autoscaling - ensures 4 concurrent jobs can run minReplicas: 4 maxReplicas: 10 # Scaling metrics metrics: - type: External external: metric: name: github_actions_queue_length selector: matchLabels: repository: "your-org/your-repo" target: type: Value value: "5" # Scale up if more than 5 jobs in queue - type: Resource resource: name: cpu target: type: Utilization averageUtilization: 70 - type: Resource resource: name: memory target: type: Utilization averageUtilization: 80 # Scaling behavior behavior: scaleUp: stabilizationWindowSeconds: 60 policies: - type: Percent value: 100 periodSeconds: 60 - type: Pods value: 2 periodSeconds: 60 selectPolicy: Max scaleDown: stabilizationWindowSeconds: 300 policies: - type: Percent value: 10 periodSeconds: 60 selectPolicy: Min --- # Service for runner metrics (if applicable) apiVersion: v1 kind: Service metadata: name: runner-metrics namespace: arc-runners labels: app.kubernetes.io/name: github-actions-runner app.kubernetes.io/component: metrics spec: selector: app.kubernetes.io/name: github-actions-runner ports: - name: metrics port: 8080 targetPort: 8080 protocol: TCP type: ClusterIP --- # ConfigMap for runner configuration apiVersion: v1 kind: ConfigMap metadata: name: runner-config namespace: arc-runners labels: app.kubernetes.io/name: github-actions-runner app.kubernetes.io/component: config data: runner.env: | RUNNER_WORKDIR=/tmp/runner RUNNER_ALLOW_RUNASROOT=0 DISABLE_RUNNER_UPDATE=true ACTIONS_RUNNER_PRINT_LOG_TO_STDOUT=1 setup.sh: | #!/bin/bash echo "Setting up GitHub Actions runner environment" # Add custom setup logic here cleanup.sh: | #!/bin/bash echo "Cleaning up runner environment" # Add custom cleanup logic here