apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pharos-platform-git
  namespace: argocd
spec:
  accessModes:
  - ReadWriteOnce
  storageClassName: ceph-block
  resources:
    # Every delivery pushes a bundle and keeps the delivered branch plus its recent revisions; 2 GiB filled after
    # forty deliveries and the next push failed with "Out of diskspace" before anything reached the cluster.
    requests:
      storage: 10Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: pharos-platform-git
  namespace: argocd
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: pharos-platform-git
  template:
    metadata:
      labels:
        app: pharos-platform-git
    spec:
      automountServiceAccountToken: false
      securityContext:
        runAsNonRoot: true
        runAsUser: 1000
        runAsGroup: 1000
        fsGroup: 1000
        seccompProfile:
          type: RuntimeDefault
      containers:
      - name: git
        image: docker.io/alpine/git:2.52.0@sha256:4a0e72d49596a1f5d3701aeedafdadc5c0da4062be4657c7bdc4017387f591cc
        command:
        - sh
        - -c
        # BuildKit fetches the delivered commit by its SHA, which upload-pack refuses by default.
        - test -d /git/platform.git || git init --bare /git/platform.git;
          git -C /git/platform.git config uploadpack.allowReachableSHA1InWant true; exec /tools/git-daemon
          --reuseaddr --base-path=/git --export-all --strict-paths --listen=0.0.0.0
          --port=9418 /git/platform.git
        securityContext: &id001
          allowPrivilegeEscalation: false
          capabilities:
            drop:
            - ALL
        ports:
        - containerPort: 9418
        readinessProbe:
          tcpSocket:
            port: 9418
        resources:
          requests:
            cpu: 25m
            memory: 64Mi
          limits:
            memory: 256Mi
        volumeMounts:
        - name: git
          mountPath: /git
        - name: tools
          mountPath: /tools
          readOnly: true
        env:
        - name: HOME
          value: /git
      volumes:
      - name: git
        persistentVolumeClaim:
          claimName: pharos-platform-git
      - name: package
        configMap:
          name: pharos-platform-git-daemon
      - name: tools
        emptyDir: {}
      initContainers:
      - name: verified-git-daemon
        image: docker.io/alpine/git:2.52.0@sha256:4a0e72d49596a1f5d3701aeedafdadc5c0da4062be4657c7bdc4017387f591cc
        command:
        - sh
        - -ec
        - sha256sum -c /package/sha256; tar -xzf /package/git-daemon.apk -C /tools --strip-components=3
          usr/libexec/git-core/git-daemon
        securityContext: *id001
        volumeMounts:
        - name: package
          mountPath: /package
          readOnly: true
        - name: tools
          mountPath: /tools
---
apiVersion: v1
kind: Service
metadata:
  name: pharos-platform-git
  namespace: argocd
spec:
  selector:
    app: pharos-platform-git
  ports:
  - port: 9418
    targetPort: 9418
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: pharos-platform-git
  namespace: argocd
spec:
  podSelector:
    matchLabels:
      app: pharos-platform-git
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - podSelector:
        matchLabels:
          app.kubernetes.io/name: argocd-repo-server
    # The image builds read the same delivered commit (bootstrap/build.yaml).
    - namespaceSelector:
        matchLabels:
          kubernetes.io/metadata.name: pharos-build
      podSelector:
        matchLabels:
          app.kubernetes.io/component: image-build
    ports:
    - protocol: TCP
      port: 9418
  egress: []