querier-statefulset.yaml

kind: StatefulSet
apiVersion: apps/v1
metadata:
  name: loki-microservices-querier
  labels:
    app.kubernetes.io/component: querier
    app.kubernetes.io/instance: loki
    app.kubernetes.io/name: loki-microservices
    app.kubernetes.io/part-of: memberlist
    app.kubernetes.io/version: 2.5.0
spec:
  replicas: 2
  selector:
    matchLabels:
      app.kubernetes.io/component: querier
      app.kubernetes.io/instance: loki
      app.kubernetes.io/name: loki-microservices
  template:
    metadata:
      creationTimestamp: null
      labels:
        app.kubernetes.io/component: querier
        app.kubernetes.io/instance: loki
        app.kubernetes.io/name: loki-microservices
        app.kubernetes.io/part-of: memberlist
    spec:
      restartPolicy: Always
      serviceAccountName: loki-microservices
      schedulerName: default-scheduler
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchLabels:
                  app.kubernetes.io/component: querier
                  app.kubernetes.io/instance: loki
                  app.kubernetes.io/name: loki-microservices
              topologyKey: kubernetes.io/hostname
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchLabels:
                    app.kubernetes.io/component: querier
                    app.kubernetes.io/instance: loki
                    app.kubernetes.io/name: loki-microservices
                topologyKey: failure-domain.beta.kubernetes.io/zone
      terminationGracePeriodSeconds: 30
      containers:
        - resources: {}
          readinessProbe:
            httpGet:
              path: /ready
              port: http
              scheme: HTTP
            initialDelaySeconds: 30
            timeoutSeconds: 1
            periodSeconds: 10
            successThreshold: 1
            failureThreshold: 3
          terminationMessagePath: /dev/termination-log
          name: querier
          securityContext:
            capabilities:
              drop:
                - ALL
            readOnlyRootFilesystem: true
            allowPrivilegeEscalation: false
          ports:
            - name: http
              containerPort: 3100
              protocol: TCP
            - name: grpc
              containerPort: 9095
              protocol: TCP
            - name: http-memberlist
              containerPort: 7946
              protocol: TCP
          imagePullPolicy: IfNotPresent
          volumeMounts:
            - name: config
              mountPath: /etc/loki/config
            - name: loki-store
              mountPath: /loki-store
          terminationMessagePolicy: File
          image: 'grafana/loki:2.6.1'
          args:
            - '-config.file=/etc/loki/config/config.yaml'
            - '-config.expand-env=true'
            - '-target=querier'
          env:
            - name: ACCESS_KEY_ID
              valueFrom:
                secretKeyRef: 
                  name: loki-microservices
                  key: ACCESS_KEY_ID
            - name: SECRET_ACCESS_KEY
              valueFrom:
                secretKeyRef: 
                  name: loki-microservices
                  key: SECRET_ACCESS_KEY
      serviceAccount: loki-microservices
      volumes:
        - name: config
          configMap:
            name: loki-microservices
            defaultMode: 420
      dnsPolicy: ClusterFirst
  volumeClaimTemplates:
    - kind: PersistentVolumeClaim
      apiVersion: v1
      metadata:
        name: loki-store
        creationTimestamp: null
        labels:
          app.kubernetes.io/component: querier
          app.kubernetes.io/created-by: loki-microservices-querier
          app.kubernetes.io/instance: loki
          app.kubernetes.io/name: loki-microservices
          app.kubernetes.io/version: 2.5.0
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 5Gi
        volumeMode: Filesystem
  serviceName: loki-microservices-querier-headless
  podManagementPolicy: Parallel
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      partition: 0
  revisionHistoryLimit: 10