---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: arrproxy-api
  namespace: arrstack
  annotations:
    # Wave 2: serve only after the wave-1 migrate Job completes.
    argocd.argoproj.io/sync-wave: "2"
    secret.reloader.stakater.com/reload: "arrproxy-pepper,arrproxy-db-app,sonarr-apikey,radarr-apikey,prowlarr-apikey"
spec:
  replicas: 2
  selector:
    matchLabels:
      app: arrproxy-api
  strategy:
    rollingUpdate:
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: arrproxy-api
    spec:
      serviceAccountName: default
      automountServiceAccountToken: false
      securityContext:
        runAsNonRoot: true
        runAsUser: 65532
        runAsGroup: 65532
        fsGroup: 65532
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: api
          image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/arrproxy-api:v0.1.0
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8080
              name: http
              protocol: TCP
          env:
            - name: ARRPROXY_ADDR
              value: ":8080"
            # oauth2-proxy --pass-user-headers forwards identity to the upstream as
            # X-Forwarded-{User,Email,Groups} (a single comma-joined Groups value).
            # Email/User already match the api defaults; override the groups header
            # (default X-Auth-Request-Groups is auth_request-response-only and never
            # reaches this upstream) so group-based authorization works.
            - name: ARRPROXY_GROUPS_HEADER
              value: X-Forwarded-Groups
            # Real per-app *arr keys, projected one file per app under this dir
            # (sourced from the existing <app>-apikey Secrets). The api injects
            # them server-side and redacts them from every proxied response.
            - name: ARRPROXY_KEYS_DIR
              value: /etc/arrproxy/keys
            - name: ARRPROXY_PEPPER
              valueFrom:
                secretKeyRef:
                  name: arrproxy-pepper
                  key: pepper
            # DSN assembled from the CNPG-generated arrproxy-db-app Secret;
            # $(VAR) expansion resolves the two env entries defined above it.
            - name: ARRPROXY_DB_USER
              valueFrom:
                secretKeyRef:
                  name: arrproxy-db-app
                  key: username
            - name: ARRPROXY_DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: arrproxy-db-app
                  key: password
            - name: DATABASE_URL
              value: "postgres://$(ARRPROXY_DB_USER):$(ARRPROXY_DB_PASSWORD)@arrproxy-db-rw.arrstack.svc.cluster.local:5432/arrproxy?sslmode=require"
          volumeMounts:
            - name: arr-keys
              mountPath: /etc/arrproxy/keys
              readOnly: true
            - name: tmp
              mountPath: /tmp
          livenessProbe:
            httpGet:
              path: /livez
              port: http
            initialDelaySeconds: 10
            periodSeconds: 30
            timeoutSeconds: 5
            failureThreshold: 3
          readinessProbe:
            httpGet:
              path: /readyz
              port: http
            initialDelaySeconds: 5
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            capabilities:
              drop:
                - ALL
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: "1"
              memory: 512Mi
      volumes:
        # Real *arr API keys, one file per app named exactly <app> so the api
        # reads /etc/arrproxy/keys/{sonarr,radarr,prowlarr}. Reuses the same
        # <app>-apikey Secrets the *arr Deployments already consume.
        - name: arr-keys
          projected:
            sources:
              - secret:
                  name: sonarr-apikey
                  items:
                    - key: apitoken
                      path: sonarr
              - secret:
                  name: radarr-apikey
                  items:
                    - key: apitoken
                      path: radarr
              - secret:
                  name: prowlarr-apikey
                  items:
                    - key: apitoken
                      path: prowlarr
        - name: tmp
          emptyDir:
            sizeLimit: 64Mi
      restartPolicy: Always