Use application sets for ref implementation

ref/appset-local-charts.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: ApplicationSet
+metadata:
+  name: local-charts
+  namespace: argocd
+spec:
+  goTemplate: true
+  goTemplateOptions:
+    - missingkey=error
+  generators:
+    - matrix:
+        generators:
+          - git:
+              repoURL: "cnoe://configs"
+              revision: HEAD
+              files:
+                - path: "**/config.yaml"
+          - list:
+              elementsYaml: "{{ .packages | toJson }}"
+            selector:
+              matchExpressions:
+                - key: install
+                  operator: In
+                  values:
+                    - "true"
+  template:
+    metadata:
+      name: "{{ .name }}"
+      labels:
+        environment: "{{ .environment }}"
+        cnoe.io/package-name: ref-impl
+    spec:
+      project: default
+      sources:
+        - repoURL: "cnoe://packages"
+          targetRevision: HEAD
+          path: "{{ .manifestPath }}"
+      destination:
+        server: https://kubernetes.default.svc
+        namespace: "{{ .namespace }}"
+      syncPolicy:
+        syncOptions:
+          - CreateNamespace=true
+        automated:
+          selfHeal: true

ref/appset-local-manifests.yaml

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+apiVersion: argoproj.io/v1alpha1
+kind: ApplicationSet
+metadata:
+  name: local-charts
+  namespace: argocd
+spec:
+  goTemplate: true
+  goTemplateOptions:
+    - missingkey=error
+  generators:
+    - matrix:
+        generators:
+          - git:
+              repoURL: "cnoe://configs"
+              revision: HEAD
+              files:
+                - path: "**/config.yaml"
+          - list:
+              elementsYaml: "{{ .packages | toJson }}"
+            selector:
+              matchExpressions:
+                - key: install
+                  operator: In
+                  values:
+                    - "true"
+  template:
+    metadata:
+      name: "{{ .name }}"
+      labels:
+        environment: "{{ .environment }}"
+    spec:
+      project: default
+      sources:
+        - repoURL: "cnoe://packages"
+          targetRevision: HEAD
+          path: "{{ .manifestPath }}"
+      destination:
+        server: https://kubernetes.default.svc
+        namespace: "{{ .namespace }}"
+      syncPolicy:
+        syncOptions:
+          - CreateNamespace=true
+        automated:
+          selfHeal: true

ref/configs/local/config.yaml

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+environment: local
+packages:
+  - name: external-secrets
+    namespace: external-secrets
+    install: "true"
+    manifestPath: "external-secrets/manifests"
+#  - name: keycloak
+#    namespace: keycloak
+#    install: "true"
+#    manifestPath: "keycloak/manifests"
+#  - name: argo-workflows
+#    namespace: argo
+#    install: "true"
+#    manifestPath: "argo-workflows/manifests/dev"
+#  - name: backstage
+#    namespace: backstage
+#    install: "true"
+#    manifestPath: "backstage/manifests"

ref/packages/argo-workflows/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

ref/packages/argo-workflows/Chart.yaml

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+apiVersion: v2
+name: argo-workflows
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"