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SREP-4577: Fix webhook drain deadlock with preStop hook and failurePolicy: Ignore #717

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SREP-4577: Fix webhook drain deadlock with preStop hook and failurePolicy: Ignore #717

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4588aea
Add preStop hook to webhook pod to prevent drain deadlock
dustman9000 Apr 18, 2026
0ac2115
Change webhook failurePolicy to Ignore to prevent drain deadlock
dustman9000 Apr 18, 2026
3d968da
Add justification comments for failurePolicy: Ignore
dustman9000 Apr 19, 2026
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2 changes: 1 addition & 1 deletion bundle/manifests/addon-operator.clusterserviceversion.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -377,7 +377,7 @@ spec:
- v1
containerPort: 443
deploymentName: addon-operator-webhooks
failurePolicy: Fail
failurePolicy: Ignore
generateName: vaddons.managed.openshift.io
rules:
- apiGroups:
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2 changes: 1 addition & 1 deletion config/templates/csv-template.yaml
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Expand Up @@ -53,7 +53,7 @@ spec:
- v1
containerPort: 443
deploymentName: addon-operator-webhooks
failurePolicy: Fail
failurePolicy: Ignore
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generateName: vaddons.managed.openshift.io
rules:
- apiGroups:
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2 changes: 1 addition & 1 deletion deploy-extras/development/webhook/validatingwebhookconfig.yaml
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Expand Up @@ -14,7 +14,7 @@ webhooks:
name: webhook-service
namespace: openshift-addon-operator
path: /validate-addon
failurePolicy: Fail
failurePolicy: Ignore
name: vaddons.managed.openshift.io
rules:
- apiGroups:
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4 changes: 4 additions & 0 deletions deploy/70_webhook-deployment.yaml
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Expand Up @@ -49,6 +49,10 @@ spec:
containers:
- name: webhook
image: quay.io/openshift/addon-operator-webhook:latest
lifecycle:
preStop:
exec:
command: ["sleep", "5"]
ports:
- containerPort: 8080
livenessProbe:
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2 changes: 1 addition & 1 deletion deploy_pko/ValidatingWebhookConfiguration-addons.yaml
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Expand Up @@ -15,7 +15,7 @@ webhooks:
name: addon-operator-webhook
namespace: openshift-addon-operator
path: /validate-addon
failurePolicy: Fail
failurePolicy: Ignore
name: vaddons.managed.openshift.io
rules:
- apiGroups:
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2 changes: 1 addition & 1 deletion hack/webhookdefinition.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
- v1
containerPort: 443
deploymentName: addon-operator-webhooks
failurePolicy: Fail
failurePolicy: Ignore
generateName: vaddons.managed.openshift.io
rules:
- apiGroups:
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