deploy-sourcegraph-k8s/base/sourcegraph/pgsql/pgsql.StatefulSet.yaml at 3ca22df9130562f69f45464c3e3355d482145a58 · sourcegraph/deploy-sourcegraph-k8s · GitHub

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apiVersion: apps/v1
kind: StatefulSet
metadata:
  annotations:
    description: Postgres database for various data.
    kubectl.kubernetes.io/default-container: pgsql
  labels:
    deploy: sourcegraph
    sourcegraph-resource-requires: no-cluster-admin
    app.kubernetes.io/component: pgsql
  name: pgsql
spec:
  serviceName: pgsql
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: pgsql
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        deploy: sourcegraph
        app: pgsql
        group: backend
    spec:
      initContainers:
        - name: correct-data-dir-permissions
          image: us-docker.pkg.dev/sourcegraph-images/internal/alpine-3.14:6.12.1792@sha256:6d9bb96ae01388856bb810a8afb6266939b74d6358574cc42d17b11efc3155ec
          command: ["sh", "-c", "if [ -d /data/pgdata-12 ]; then chmod 750 /data/pgdata-12; fi"]
          volumeMounts:
            - mountPath: /data
              name: disk
          securityContext:
            # Required to prevent escalations to root.
            allowPrivilegeEscalation: false
            runAsUser: 999
            runAsGroup: 999
          resources:
            limits:
              cpu: "10m"
              memory: "50Mi"
            requests:
              cpu: "10m"
              memory: "50Mi"
      containers:
        - name: pgsql
          image: us-docker.pkg.dev/sourcegraph-images/internal/postgresql-16:6.12.1792@sha256:75dee972fca098d4632e966b47178d287aa2f96e750fe22edfb8d3e6c61f3d95
          terminationMessagePolicy: FallbackToLogsOnError
          readinessProbe:
            exec:
              command:
                - /ready.sh
          livenessProbe:
            initialDelaySeconds: 15
            exec:
              command:
                - /liveness.sh
          startupProbe:
            exec:
              command:
                - /liveness.sh
            failureThreshold: 360
            periodSeconds: 10
          ports:
            - name: pgsql
              containerPort: 5432
          resources:
            limits:
              cpu: "4"
              memory: 4Gi
            requests:
              cpu: "4"
              memory: 4Gi
          securityContext:
            # Required to prevent escalations to root.
            allowPrivilegeEscalation: false
            runAsUser: 999
            runAsGroup: 999
          volumeMounts:
            - mountPath: /data
              name: disk
            - mountPath: /conf
              name: pgsql-conf
            - mountPath: /dev/shm
              name: dshm
        - env:
            - name: DATA_SOURCE_NAME
              value: postgres://sg:@localhost:5432/?sslmode=disable
            - name: PG_EXPORTER_EXTEND_QUERY_PATH
              value: /config/queries.yaml
          image: us-docker.pkg.dev/sourcegraph-images/internal/postgres_exporter:6.12.1792@sha256:4f0d5eff153eecac88367789055aa1e2fabac29cc8a929f91fc2460f4d5fa1a9
          terminationMessagePolicy: FallbackToLogsOnError
          name: pgsql-exporter
          ports:
            - name: pgsql-exporter
              containerPort: 9187
          resources:
            limits:
              cpu: 10m
              memory: 50Mi
            requests:
              cpu: 10m
              memory: 50Mi
      terminationGracePeriodSeconds: 120
      securityContext:
        runAsUser: 999
        fsGroup: 999
        fsGroupChangePolicy: OnRootMismatch
      volumes:
        - name: disk
          persistentVolumeClaim:
            claimName: pgsql
        - name: pgsql-conf
          configMap:
            # 511 in decimal = 0777 in octal
            defaultMode: 511
            name: pgsql-conf
        - name: dshm # Allocate shared memory to match the shared_buffers value
          emptyDir:
            medium: Memory
            sizeLimit: 1G