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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-21571

Kubernetes: no trigger prototype associated with "Containers ready" condition

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Details

    • Incident report
    • Status: Confirmed
    • Trivial
    • Resolution: Unresolved
    • 6.2.1
    • None
    • Templates (T)
    • None

    Description

      Hi there !

      We test monitoring our kubernetes cluster via zabbix with the "Kubernetes nodes by HTTP" template version 6.2.1

      Description:

      When a container is failing in a pod, kubernetes tries to restart it until it reaches the "CrashLoopBackoff" state. But while a container inside a pod is in this state, no alert is shown in zabbix.

      Expected behaviour:

      When any container is in "CrashLoopBackoff" state, a warning should be triggered by default.

       

      Steps to reproduce:

      1. Create a faulty container, let's call it Gorbatchev

      apiVersion: v1
      kind: Pod
      metadata:
        name: gorbatchev
        namespace: test-zabbix
      spec: 
        containers: 
          - image: "busybox"
            name: gorbatchev
            #This command will cause the container to fail
            args: ["perestroika"]
       

      2. wait until it reaches the CrashLoopBackoff state

      NAME             READY   STATUS             RESTARTS   AGE
      pod/gorbatchev   0/1     CrashLoopBackOff   7          13m 

      Result:
      No alert is shown.

      Expected:
      A "trigger prototype" should be added to the template to alert when any pod has Conditions: Containers ready to false.

       

      We were going to create the trigger on our zabbix instance but maybe this should be the default on the template ? Any pod in this state is an issue for cluster admins to investigate IMO.

       

      Thanks in advance

      Julien

       

       

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            zit Zabbix Integration Team
            Julienlh Julien Le Huludut
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              Created:
              Updated: