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Bug
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Resolution: Unresolved
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Normal
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None
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4.19, 4.20
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Quality / Stability / Reliability
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False
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2
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Moderate
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None
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None
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None
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None
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None
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None
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Description of problem:
As discussed in this Slack thread, the general consensus from the MCO team is that applying an invalid PinnedImageSet should result in degrading the targeted MCP. Due to a faulting conditional that the PIS to MCP degrade functionality is nested under, this is not the currently observed functionality.
Version-Release number of selected component (if applicable):
Definitely 4.19 & 4.20, other versions need to be tested.
How reproducible:
Always.
Steps to Reproduce:
1. Launch a 4.19 or 4.20 cluster with tech preview enabled.
2. Apply an invalid PIS, such as the below example.
apiVersion: machineconfiguration.openshift.io/v1 kind: PinnedImageSet metadata: name: test-pinned labels: machineconfiguration.openshift.io/role: "worker" spec: pinnedImages: - name: quay.io/rh-ee-ijanssen/machine-config-operator@sha256:65d3a308767b1773b6e3ead2ec1bcae499dde6ef085753d7e20e685f78841079 - name: quay.io/rh-ee-ijanssen/machine-config-operator@sha256:fd3692eff21338e900a244dfe62152c959b84d73f2dd4503893de0f3fae61b0b
3. Wait for the PIS application to fail. The PIS degrade condition can be checked in the MachineConfigNode conditions list.
$ oc describe machineconfignodes/<node-name>
...
Status:
Conditions:
...
Last Transition Time: 2025-06-06T13:50:42Z
Message: One or more PinnedImageSet is experiencing an error. See PinnedImageSet list for more details.
Reason: PrefetchFailed
Status: True
Type: PinnedImageSetsDegraded
...
Actual results:
The PIS will fail to apply, but the targeted MCP machines will not show as being degraded. Also, the `` condition is not showing as "True" in the MCP describe.
$ oc get mcp NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT AGE master rendered-master-169b80827b765910c1b7b70df469d710 True False False 3 3 3 0 33m worker rendered-worker-33b4cdc1daa04d6771b7915f84666920 True False False 3 3 3 0 33m $ oc describe mcp/worker ... ... Status: Conditions: ... Last Transition Time: 2025-06-06T13:19:37Z Message: Reason: Status: False Type: PinnedImageSetsDegraded ... Last Transition Time: 2025-06-06T13:19:42Z Message: Reason: Status: False Type: Degraded
Expected results:
The MCP and machines targeted by a PIS should degrade is the PIS is invalid and the images fail to pull and/or pin.
Additional info:
N/A
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