chore: Cleanup old nix code and add helmfile experiments

values/postgres-operator/kustomize/base/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - _manifest.yaml

values/postgres-operator/kustomize/default/kustomization.yaml

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+generatorOptions:
+  disableNameSuffixHash: true
+resources:
+  - ../base

values/postgres-operator/manifests/postgres-operator.yaml

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+{{- if .Values.clusterConfig.argo.enabled }}
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: postgres-operator
+  namespace: argocd
+spec:
+  destination:
+    namespace: cnpg
+    server: 'https://kubernetes.default.svc'
+  sources:
+  - repoURL: {{ .Values.clusterConfig.manifests }}
+    targetRevision: HEAD
+    path: helmfiles/postgres-operator
+    plugin:
+      name: helmfile
+      env:
+      - name: CLUSTER_NAME
+        value: {{ .Values.clusterConfig.cluster }}
+  project: sys
+  syncPolicy:
+    managedNamespaceMetadata:
+      labels:
+        component: sys
+    syncOptions:
+      - CreateNamespace=true
+      - ApplyOutOfSyncOnly=true
+      # - ServerSideApply=true
+    {{- if .Values.postgres_operator.autosync }}
+    automated:
+      prune: true
+      # selfHeal: false
+    {{- end }}
+{{- end }}

values/postgres-operator/values.yaml.gotmpl

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+postgres_operator:
+  enabled: true
+  autosync: false