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  1. Cluster Observability Operator
  2. COO-14

Thanos Querier service can't reach pod

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    • MON Sprint 251
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      The thanos container only listens to 127.0.0.1. If one tries to reach the Service a 502 is returned.

      A workaround is to created the deployment and service manually

      kind: Deployment
      apiVersion: apps/v1
      metadata: 
        name: thanos-querier-example-thanos
        namespace: default
        labels: 
          app.kubernetes.io/instance: thanos-querier-example-thanos
          app.kubernetes.io/managed-by: observability-operator
          app.kubernetes.io/part-of: ThanosQuerier
      spec: 
        replicas: 1
        selector: 
          matchLabels: 
            app.kubernetes.io/instance: thanos-querier-example-thanos
        template: 
          metadata: 
            name: thanos-querier-example-thanos
            namespace: default
            creationTimestamp: null
            labels: 
              app.kubernetes.io/instance: thanos-querier-example-thanos
              app.kubernetes.io/managed-by: observability-operator
              app.kubernetes.io/part-of: ThanosQuerier
          spec: 
            containers: 
              - name: thanos-querier
                image: 'registry.redhat.io/cluster-observability-operator/coo-thanos-rhel8@sha256:79d1a7f1568800f06a7146e219852a42a3ccd265e626d2d476640f83f2c901bd'
                args: 
                  - query
                  - '--grpc-address=127.0.0.1:10901'
                  - '--http-address=:9090'
                  - '--log.format=logfmt'
                  - '--query.replica-label=prometheus_replica'
                  - '--query.auto-downsampling'
                  - '--endpoint=dnssrv+_grpc._tcp.sample-monitoring-stack-thanos-sidecar.default.svc.cluster.local'
                ports: 
                  - name: metrics
                    containerPort: 9090
                    protocol: TCP
                resources: {}
                terminationMessagePath: /dev/termination-log
                terminationMessagePolicy: FallbackToLogsOnError
                imagePullPolicy: IfNotPresent
            restartPolicy: Always
            terminationGracePeriodSeconds: 30
            dnsPolicy: ClusterFirst
            nodeSelector: 
              kubernetes.io/os: linux
            securityContext: {}
            schedulerName: default-scheduler
        strategy: 
          type: RollingUpdate
          rollingUpdate: 
            maxUnavailable: 25%
            maxSurge: 25%
        revisionHistoryLimit: 10
        progressDeadlineSeconds: 300
      ---
      kind: Service
      apiVersion: v1
      metadata: 
        name: thanos-querier
        namespace: default
      spec: 
        ports: 
          - name: http
            protocol: TCP
            port: 9090
            targetPort: 9090
        type: ClusterIP
        selector: 
          app.kubernetes.io/instance: thanos-querier-example-thanos
      

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              jfajersk@redhat.com Jan Fajerski
              jfajersk@redhat.com Jan Fajerski
              Hongyan Li Hongyan Li
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                Created:
                Updated:
                Resolved: