Add default slack-hook params to fix the flux kustomize-controller errors #546
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Description / Motivation: The release-1.13 version is 3 years old leading to CVEs.
…rors
Description / Motivation: The kustomize-controller is failing with
```
kubectl logs kustomize-controller-8589b7fd57-62kv4 -n flux-system | grep error
...
{"level":"error","ts":"2025-10-28T00:20:58.625Z","logger":"controller.kustomization","msg":"Reconciliation failed after 482.930394ms, next try in 2m0s","reconciler group":"kustomize.toolkit.fluxcd.io","reconciler kind":"Kustomization","name":"kubernetes-iteration-toolkit","namespace":"tekton-pipelines","revision":"main/5009ee34941fc5f77054986fc450c5be68cc8bb0","error":"Pipeline/scalability/derekff-karpenter-testing dry-run failed, reason: BadRequest, error: admission webhook \"validation.webhook.pipeline.tekton.dev\" denied the request: validation failed: non-existent variable in \"$(params.slack-hook)\": spec.finally[0].params[slack-hook]\n"}
```
This is likely blocking Flux to sync from KIT.
mengqiy
approved these changes
Oct 28, 2025
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Issue #, if available:
Description of changes:
The kustomize-controller is failing with
This is likely blocking Flux to sync from KIT.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.