# CNPG PostgreSQL cluster for Temporal persistence
apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
  name: hightower-temporal-db
  namespace: hightower
spec:
  instances: 1
  storage:
    size: 5Gi
    storageClass: ceph-block
  bootstrap:
    initdb:
      database: temporal
      owner: temporal
      postInitSQL:
        - CREATE DATABASE temporal_visibility OWNER temporal;
---
# Temporal server configuration
apiVersion: v1
kind: ConfigMap
metadata:
  name: hightower-temporal-config
  namespace: hightower
data:
  config.yaml: |
    log:
      stdout: true
      level: info
    persistence:
      defaultStore: default
      visibilityStore: visibility
      numHistoryShards: 4
      datastores:
        default:
          sql:
            pluginName: postgres12
            databaseName: temporal
            connectAddr: hightower-temporal-db-rw:5432
            connectProtocol: tcp
            user: temporal
            maxConns: 20
            maxIdleConns: 20
        visibility:
          sql:
            pluginName: postgres12
            databaseName: temporal_visibility
            connectAddr: hightower-temporal-db-rw:5432
            connectProtocol: tcp
            user: temporal
            maxConns: 10
            maxIdleConns: 10
    global:
      membership:
        maxJoinDuration: 30s
        broadcastAddress: "0.0.0.0"
      pprof:
        port: 7936
    services:
      frontend:
        rpc:
          grpcPort: 7233
          membershipPort: 6933
          bindOnIP: "0.0.0.0"
      history:
        rpc:
          grpcPort: 7234
          membershipPort: 6934
          bindOnIP: "0.0.0.0"
      matching:
        rpc:
          grpcPort: 7235
          membershipPort: 6935
          bindOnIP: "0.0.0.0"
      worker:
        rpc:
          grpcPort: 7239
          membershipPort: 6939
          bindOnIP: "0.0.0.0"
    clusterMetadata:
      enableGlobalNamespace: false
      failoverVersionIncrement: 10
      masterClusterName: active
      currentClusterName: active
      clusterInformation:
        active:
          enabled: true
          initialFailoverVersion: 1
          rpcName: frontend
          rpcAddress: "localhost:7233"
    dcRedirectionPolicy:
      policy: noop
    archival:
      status: disabled
---
# Schema init job — runs once to set up Temporal's database tables
apiVersion: batch/v1
kind: Job
metadata:
  name: hightower-temporal-schema-init
  namespace: hightower
spec:
  backoffLimit: 10
  ttlSecondsAfterFinished: 300
  template:
    spec:
      restartPolicy: OnFailure
      initContainers:
        # Wait for CNPG database to be ready
        - name: wait-for-db
          image: busybox:1.37
          command:
            - sh
            - -c
            - |
              until nc -z hightower-temporal-db-rw 5432; do
                echo "Waiting for PostgreSQL..."
                sleep 2
              done
              echo "PostgreSQL is ready"
      containers:
        - name: schema-default
          image: temporalio/admin-tools:latest
          command:
            - sh
            - -c
            - |
              temporal-sql-tool \
                --plugin postgres12 \
                --ep hightower-temporal-db-rw \
                --port 5432 \
                --db temporal \
                --user temporal \
                setup-schema -v 0.0 && \
              temporal-sql-tool \
                --plugin postgres12 \
                --ep hightower-temporal-db-rw \
                --port 5432 \
                --db temporal \
                --user temporal \
                update-schema -d /etc/temporal/schema/postgresql/v12/temporal/versioned && \
              temporal-sql-tool \
                --plugin postgres12 \
                --ep hightower-temporal-db-rw \
                --port 5432 \
                --db temporal_visibility \
                --user temporal \
                setup-schema -v 0.0 && \
              temporal-sql-tool \
                --plugin postgres12 \
                --ep hightower-temporal-db-rw \
                --port 5432 \
                --db temporal_visibility \
                --user temporal \
                update-schema -d /etc/temporal/schema/postgresql/v12/visibility/versioned
          envFrom:
            - secretRef:
                name: hightower-temporal-db-app
---
# Temporal server deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hightower-temporal
  namespace: hightower
  labels:
    app: hightower-temporal
spec:
  replicas: 1
  selector:
    matchLabels:
      app: hightower-temporal
  template:
    metadata:
      labels:
        app: hightower-temporal
    spec:
      containers:
        - name: temporal
          image: temporalio/server:latest
          ports:
            - containerPort: 7233
              name: grpc
          env:
            - name: SERVICES
              value: frontend,history,matching,worker
            - name: TEMPORAL_STORE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: hightower-temporal-db-app
                  key: password
            - name: TEMPORAL_VISIBILITY_STORE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: hightower-temporal-db-app
                  key: password
          volumeMounts:
            - name: config
              mountPath: /etc/temporal/config/dynamicconfig
              readOnly: true
            - name: server-config
              mountPath: /etc/temporal/config/config_template.yaml
              subPath: config.yaml
              readOnly: true
          readinessProbe:
            tcpSocket:
              port: 7233
            initialDelaySeconds: 15
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 10
          resources:
            requests:
              memory: 512Mi
              cpu: 250m
            limits:
              memory: 1Gi
      volumes:
        - name: config
          emptyDir: {}
        - name: server-config
          configMap:
            name: hightower-temporal-config
---
# Temporal gRPC service
apiVersion: v1
kind: Service
metadata:
  name: hightower-temporal
  namespace: hightower
spec:
  selector:
    app: hightower-temporal
  ports:
    - name: grpc
      port: 7233
      targetPort: 7233
---
# Temporal Web UI (optional)
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hightower-temporal-ui
  namespace: hightower
  labels:
    app: hightower-temporal-ui
spec:
  replicas: 1
  selector:
    matchLabels:
      app: hightower-temporal-ui
  template:
    metadata:
      labels:
        app: hightower-temporal-ui
    spec:
      containers:
        - name: ui
          image: temporalio/ui:latest
          ports:
            - containerPort: 8233
              name: http
          env:
            - name: TEMPORAL_ADDRESS
              value: hightower-temporal:7233
            - name: TEMPORAL_UI_PORT
              value: "8233"
          resources:
            requests:
              memory: 64Mi
              cpu: 50m
            limits:
              memory: 128Mi
---
apiVersion: v1
kind: Service
metadata:
  name: hightower-temporal-ui
  namespace: hightower
spec:
  selector:
    app: hightower-temporal-ui
  ports:
    - name: http
      port: 8233
      targetPort: 8233