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  1. OpenShift Bugs
  2. OCPBUGS-14024

Master stuck in a creating/deleting loop when drop vmsize field from the CPMS providerSpec

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    Description

      Description of problem:

      On Azure when drop vmsize or location field from cpms's providerSpec, a master will be in a creating/deleting loop.

      Version-Release number of selected component (if applicable):

      4.12.0-0.nightly-2022-10-25-210451

      How reproducible:

      always

      Steps to Reproduce:

      1. Create an Azure cluster with a CPMS
2. Activate the CPMS
3. Drop the vmsize field from the providerSpec

      Actual results:

      New machine is created, deleted, created, deleted ...
$ oc get machine         
NAME                                    PHASE      TYPE              REGION   ZONE   AGE
zhsuncpms1-7svhz-master-0               Running    Standard_D8s_v3   eastus   2      3h21m
zhsuncpms1-7svhz-master-1               Running    Standard_D8s_v3   eastus   3      3h21m
zhsuncpms1-7svhz-master-2               Running    Standard_D8s_v3   eastus   1      3h21m
zhsuncpms1-7svhz-master-l489k-0         Deleting                                     0s
zhsuncpms1-7svhz-worker-eastus1-6vsl4   Running    Standard_D4s_v3   eastus   1      3h16m
zhsuncpms1-7svhz-worker-eastus2-dpvp9   Running    Standard_D4s_v3   eastus   2      3h16m
zhsuncpms1-7svhz-worker-eastus3-sg7dx   Running    Standard_D4s_v3   eastus   3      19m
$ oc get machine  
NAME                                    PHASE     TYPE              REGION   ZONE   AGE
zhsuncpms1-7svhz-master-0               Running   Standard_D8s_v3   eastus   2      3h26m
zhsuncpms1-7svhz-master-1               Running   Standard_D8s_v3   eastus   3      3h26m
zhsuncpms1-7svhz-master-2               Running   Standard_D8s_v3   eastus   1      3h26m
zhsuncpms1-7svhz-master-wmnfq-0                                                     1s
zhsuncpms1-7svhz-worker-eastus1-6vsl4   Running   Standard_D4s_v3   eastus   1      3h21m
zhsuncpms1-7svhz-worker-eastus2-dpvp9   Running   Standard_D4s_v3   eastus   2      3h21m
zhsuncpms1-7svhz-worker-eastus3-sg7dx   Running   Standard_D4s_v3   eastus   3      24m

$ oc get controlplanemachineset   
NAME      DESIRED   CURRENT   READY   UPDATED   UNAVAILABLE   STATE    AGE
cluster   3         4         3                               Active   25m
$ oc get co control-plane-machine-set      
NAME                        VERSION                              AVAILABLE   PROGRESSING   DEGRADED   SINCE   MESSAGE
control-plane-machine-set   4.12.0-0.nightly-2022-10-25-210451   True        True          False      4h38m   Observed 3 replica(s) in need of update

      Expected results:

      Errors are logged and no machine is created or new machine could be created successful.

      Additional info:

      Drop vmSize, we can create new machine, seems default value is Standard_D4s_v3, but don't allow update.
$ oc get machine                
NAME                                      PHASE         TYPE              REGION   ZONE   AGE
zhsunazure11-cdbs8-master-0               Running       Standard_D8s_v3   eastus   2      4h7m
zhsunazure11-cdbs8-master-000             Provisioned   Standard_D4s_v3   eastus   2      48s
zhsunazure11-cdbs8-master-1               Running       Standard_D8s_v3   eastus   3      4h7m
zhsunazure11-cdbs8-master-2               Running       Standard_D8s_v3   eastus   1      4h7m
zhsunazure11-cdbs8-worker-eastus1-5v66l   Running       Standard_D4s_v3   eastus   1      4h1m
zhsunazure11-cdbs8-worker-eastus1-test    Running       Standard_D4s_v3   eastus   1      7m45s
zhsunazure11-cdbs8-worker-eastus2-hm9bm   Running       Standard_D4s_v3   eastus   2      4h1m
zhsunazure11-cdbs8-worker-eastus3-7j9kf   Running       Standard_D4s_v3   eastus   3      4h1m

$ oc edit machineset zhsuncpms1-7svhz-worker-eastus3         
error: machinesets.machine.openshift.io "zhsuncpms1-7svhz-worker-eastus3" could not be patched: admission webhook "validation.machineset.machine.openshift.io" denied the request: providerSpec.vmSize: Required value: vmSize should be set to one of the supported Azure VM sizes

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          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-14960 Master stuck in a creating/deleting loop when drop vmsize field from the CPMS providerSpec

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Closed
          clones

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-2960 Master stuck in a creating/deleting loop when drop vmsize field from the CPMS providerSpec

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Closed
          depends on

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-2960 Master stuck in a creating/deleting loop when drop vmsize field from the CPMS providerSpec

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Closed
          is cloned by

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-14960 Master stuck in a creating/deleting loop when drop vmsize field from the CPMS providerSpec

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Closed
          links to

          GitHub openshift/cluster-control-plane-machine-set-operator#211: [release-4.13] OCPBUGS-14024: Check ProviderSpec before generating MachineInfo

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            People

              dodvarka@redhat.com Daniel Odvarka (Inactive)
              rhn-support-zhsun Zhaohua Sun
              Zhaohua Sun Zhaohua Sun
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                Updated:
                Resolved: