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  1. Openshift sandboxed containers
  2. KATA-2847

PeerPod stuck at ContainerCreating state

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    • OSC 1.5.3
    • OSC 1.5.2
    • cloud-api-adapter
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      In OSC 1.5.0 to 1.5.2, when users created a peer pod, the pod remained in a `ContainerCreating` state with a "failed to identify the host primary interface" error because of a networking function behavior change in Go 1.21.1. This issue is fixed in OSC 1.5.3.
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      In OSC 1.5.0 to 1.5.2, when users created a peer pod, the pod remained in a `ContainerCreating` state with a "failed to identify the host primary interface" error because of a networking function behavior change in Go 1.21.1. This issue is fixed in OSC 1.5.3.
    • Bug Fix
    • Proposed
    • Kata Sprint #250
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      Description

      We brought up OSC and deployed kata-config post which all the pods under the namespace openshift-sandboxed-containers-operator came into running state.

       

      saripallilavanya@Lavanyas-MacBook-Pro Ansible-OpenShift-Provisioning % oc get pods -n openshift-sandboxed-containers-operator
      NAME                                           READY   STATUS    RESTARTS   AGE
      controller-manager-669f66cf87-bh7tt            2/2     Running   0          46h
      openshift-sandboxed-containers-monitor-57mk4   1/1     Running   0          45h
      openshift-sandboxed-containers-monitor-hm54w   1/1     Running   0          45h
      peer-pods-webhook-696fb9b8c9-4wtmf             1/1     Running   0          45h
      peer-pods-webhook-696fb9b8c9-6qrv6             1/1     Running   0          45h
      peerpodconfig-ctrl-caa-daemon-28zt2            1/1     Running   0          10s
      peerpodconfig-ctrl-caa-daemon-s4mg7            1/1     Running   0          6s

       

      podvm qcow2 image used is stored under below volumes

      [root@a3elp61 ~]# virsh vol-list --pool sl-pp-image
       Name                Path
      ------------------------------------------------------------------------------
       sl-8.9-commit-vol   /var/lib/libvirt/images/sl-pp-img-dir/sl-8.9-commit-vol
       sl-9.2-commit-vol   /var/lib/libvirt/images/sl-pp-img-dir/sl-9.2-commit-vol
       sl-pp-image-vol     /var/lib/libvirt/images/sl-pp-img-dir/sl-pp-image-vol
      [root@a3elp61 ~]# 
      

      when we tried to bring up simple workload with kata runtime class as in below yaml

      apiVersion: v1
      kind: Pod
      metadata:
      name: nginx-pod
      spec:
      runtimeClassName: kata-remote
      containers:
      - name: nginx-container
      image: nginx:latest
      ports:
      - containerPort: 80

      pod remained in container creation state.

      saripallilavanya@Lavanyas-MacBook-Pro Ansible-OpenShift-Provisioning % kubectl get pod 
      NAME        READY   STATUS              RESTARTS   AGE
      nginx-pod   0/1     ContainerCreating   0          8s

       

      pod event says below

      Events:
        Type     Reason                  Age               From               Message
        ----     ------                  ----              ----               -------
        Normal   Scheduled               20s               default-scheduler  Successfully assigned default/nginx-pod to workerv2-rr-1
        Warning  FailedCreatePodSandBox  19s               kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = CreateContainer failed: remote hypervisor call failed: rpc error: code = Unknown desc = failed to inspect netns /var/run/netns/089d50dc-d328-4748-975e-738688a3fafa: failed to identify the host primary interface: failed to identify destination interface of default gateway on network namespace "/proc/1/task/13/ns/net": unknown
        Warning  FailedCreatePodSandBox  18s               kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = CreateContainer failed: remote hypervisor call failed: rpc error: code = Unknown desc = failed to inspect netns /var/run/netns/ee8c5880-c339-4f9c-b810-0bbb6cca42ef: failed to identify the host primary interface: failed to identify destination interface of default gateway on network namespace "/proc/1/task/13/ns/net": unknown
        Normal   AddedInterface          4s (x3 over 19s)  multus             Add eth0 [10.128.2.21/23] from ovn-kubernetes
        Warning  FailedCreatePodSandBox  4s                kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = CreateContainer failed: remote hypervisor call failed: rpc error: code = Unknown desc = failed to inspect netns /var/run/netns/ee5b7098-ecee-41b1-92e0-ff6a7d49b541: failed to identify the host primary interface: failed to identify destination interface of default gateway on network namespace "/proc/1/task/14/ns/net": unknown

       

      OCP versions 4.14 and 4.15 were tried along with OSC versions 1.5.0,1.5.1 and 1.5.2. Results were the same as of above.

       

        1. nginx.yaml
          0.2 kB
        2. Pod-common-kata.json
          1 kB
        3. Pod-nginix-pp.yaml
          0.4 kB
        4. testrun.log
          26 kB

              ssheribe@redhat.com Snir sheriber
              avictor@redhat.com AJAY VICTOR
              Snir sheriber
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                Created:
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