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Homelabv4/argocd-apps/infrastructure/istio-base.yaml
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Scooby HuskyandClaude Opus 4.6 131cbca4a6 Fix ArgoCD ServerSideDiff permanent OutOfSync diffs
Add explicit CRD/API defaults to manifests that were causing ArgoCD's
SSA dry-run to produce results different from live state:

- HTTPRoutes: add group, kind, weight defaults to parentRefs/backendRefs
- Kyverno ClusterPolicies: add skipBackgroundRequests, allowExistingViolations
- Tetragon TracingPolicies: add return, maxData, resolve, returnCopy defaults
- Gateway certificateRefs: add group="" default
- Guacamole Gateway: add group="" to certificateRefs

Add ignoreDifferences for resources that legitimately differ:
- Cilium cert Secrets (auto-generated, data always differs)
- Istio ValidatingWebhookConfiguration failurePolicy (istiod mutates)
- Crowdsec LAPI Secrets (randomly generated)
- ServiceMonitor/PodMonitor relabeling action defaults
- StatefulSet volumeClaimTemplates apiVersion/kind defaults

Persist argocd-cm ignoreDifferences config in ArgoCD Helm values.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-10 17:32:59 -05:00

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YAML

apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
name: istio-base
namespace: argocd
annotations:
argocd.argoproj.io/sync-wave: "2"
finalizers:
- resources-finalizer.argocd.argoproj.io
spec:
project: infrastructure
ignoreDifferences:
- group: admissionregistration.k8s.io
kind: ValidatingWebhookConfiguration
jqPathExpressions:
- .webhooks[].failurePolicy
source:
repoURL: https://istio-release.storage.googleapis.com/charts
chart: base
targetRevision: 1.28.3
destination:
server: https://kubernetes.default.svc
namespace: istio-system
syncPolicy:
automated:
prune: true
selfHeal: true
syncOptions:
- CreateNamespace=true
- ServerSideApply=true
- ServerSideDiff=true
- RespectIgnoreDifferences=true