apiVersion: apps/v1
kind: Deployment
metadata:
  name: test-env-runner
  namespace: test-env
  labels:
    app: test-env-runner
spec:
  replicas: 1
  selector:
    matchLabels:
      app: test-env-runner
  template:
    metadata:
      labels:
        app: test-env-runner
    spec:
      serviceAccountName: runner-registrar
      initContainers:
        # Obtain registration token from Gitea API once, write to shared volume.
        # Uses the same token if .runner file already exists (idempotent).
        - name: register
          image: alpine/k8s:1.35.1
          command:
            - sh
            - -c
            - |
              set -e
              # If already registered, skip
              if [ -f /data/.runner ]; then
                echo "Runner already registered, skipping."
                exit 0
              fi

              # Get Gitea admin credentials
              USER=$(kubectl -n gitea get secret gitea-admin -o jsonpath='{.data.username}' | base64 -d)
              PASS=$(kubectl -n gitea get secret gitea-admin -o jsonpath='{.data.password}' | base64 -d)

              # Resolve Gitea pod IP (headless service)
              GITEA_POD_IP=$(kubectl -n gitea get pod -l app.kubernetes.io/name=gitea \
                -o jsonpath='{.items[0].status.podIP}')
              GITEA_URL="http://${GITEA_POD_IP}:3000"

              # Wait for Gitea API
              for i in $(seq 1 30); do
                if curl -sf "$GITEA_URL/api/v1/version" > /dev/null 2>&1; then
                  break
                fi
                echo "Waiting for Gitea API... ($i/30)"
                sleep 5
              done

              # Get registration token
              TOKEN=$(curl -sf -X POST -u "$USER:$PASS" \
                "$GITEA_URL/api/v1/user/actions/runners/registration-token" \
                | sed 's/.*"token":"\([^"]*\)".*/\1/')

              if [ -z "$TOKEN" ]; then
                echo "ERROR: Failed to get registration token"
                exit 1
              fi
              echo "Got token: ${TOKEN:0:8}..."

              # Write token for the runner container
              echo "$TOKEN" > /data/.registration-token
              echo "$GITEA_URL" > /data/.gitea-url
              echo "Token saved to /data/.registration-token"
          volumeMounts:
            - name: data
              mountPath: /data
      containers:
        # Docker-in-Docker sidecar (required for act_runner to execute workflows)
        - name: dind
          image: docker:27-dind
          securityContext:
            privileged: true
          env:
            - name: DOCKER_TLS_CERTDIR
              value: ""
          volumeMounts:
            - name: docker-socket
              mountPath: /var/run
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: "2"
              memory: 2Gi
        - name: runner
          image: gitea/act_runner:0.2.11
          command:
            - sh
            - -c
            - |
              # Wait for Docker daemon
              echo "Waiting for Docker daemon..."
              for i in $(seq 1 30); do
                if docker info > /dev/null 2>&1; then
                  echo "Docker daemon is ready"
                  break
                fi
                sleep 2
              done

              # Register if not yet registered
              if [ ! -f /data/.runner ] && [ -f /data/.registration-token ]; then
                TOKEN=$(cat /data/.registration-token)
                GITEA_URL=$(cat /data/.gitea-url)
                echo "Registering runner at $GITEA_URL..."
                act_runner register --no-interactive \
                  --instance "$GITEA_URL" \
                  --token "$TOKEN" \
                  --name "test-env-runner" \
                  --labels "edt:docker://benadis/ar-edt-slim:latest,ubuntu-latest:docker://node:20-bullseye"
              fi

              # Start daemon
              exec act_runner daemon
          env:
            - name: DOCKER_HOST
              value: "unix:///var/run/docker.sock"
            - name: GITEA_INSTANCE_URL
              value: "http://gitea-http.gitea.svc.cluster.local:3000"
          volumeMounts:
            - name: docker-socket
              mountPath: /var/run
            - name: config
              mountPath: /config
              readOnly: true
            - name: data
              mountPath: /data
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: "2"
              memory: 2Gi
      volumes:
        - name: docker-socket
          emptyDir: {}
        - name: config
          configMap:
            name: test-env-runner-config
        - name: data
          persistentVolumeClaim:
            claimName: runner-data
---
# PVC for runner data — persists .runner registration across pod restarts
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: runner-data
  namespace: test-env
spec:
  storageClassName: local-path
  accessModes: ["ReadWriteOnce"]
  resources:
    requests:
      storage: 1Gi