Add base applicationset

apps/argo-cd/apps/applicationset.yaml

@@ -0,0 +1,85 @@
+apiVersion: argoproj.io/v1alpha1
+kind: ApplicationSet
+metadata:
+  name: k8s-apps-helm-application-set-v1
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/debug: "true"
+spec:
+  goTemplate: true
+  goTemplateOptions: ["missingkey=error"]
+  applyNestedSelectors: true
+  generators:
+    # Create a matrix generator that will install all chart in all clusters
+    - matrix:
+        generators:
+          - matrix:
+              generators:
+                # Get all clusters, that are appropriately labeled
+                - clusters:
+                    selector:
+                      matchExpressions:
+                        - key: stage-name
+                          operator: Exists
+                        - key: cluster-name
+                          operator: Exists
+                # In this repo, find all files named argocd.json.
+                # The files are expected to contain {apiVersion: "ysoft.com/v1"}
+                - git:
+                    repoURL: https://github.com/ysoftdevs/argo-poc.git
+                    revision: argocd
+                    files:
+                      - path: "apps/**/argocd.json"
+                    values:
+                      stageName: '{{ index .metadata.labels "stage-name" }}'
+                      clusterName: '{{ index .metadata.labels "cluster-name" }}'
+                      provider: '{{ index .metadata.labels "provider" | default "aws" }}'
+                  selector:
+                    matchLabels:
+                      apiVersion: "ysoft.com/v1"
+          - list:
+              # List of one element is a workaround to Argo's inabilility to access '.values.enabled' (which is a result of git generator) in a selector.
+              # The list generator transforms that into '.enabled', which works
+              # As a side effect, it also allows access to previously defined values, like '.values.stageName'
+              elements:
+                # The selector also had troubles with booleans vs. strings, hence the 'yes' and not 'true'
+                - enabled: '{{ dig "stages" .values.stageName "enabled" false . | ternary "yes" "" }}'
+                  appName: "{{ .path.basename }}"
+            selector:
+              matchLabels:
+                enabled: "yes"
+  template:
+    metadata:
+      name: "{{ .path.basename }}-{{.values.stageName }}-{{ .values.clusterName }}"
+    spec:
+      project: default
+      destination:
+        server: "{{.server}}"
+        namespace: "{{ .destination.namespace }}"
+      syncPolicy:
+        automated:
+          prune: true
+        syncOptions:
+          - ServerSideApply={{ dig "syncPolicy" "syncOptions" "ServerSideApply" "true" . }}
+          - CreateNamespace={{ dig "syncPolicy" "syncOptions" "CreateNamespace" "true" . }}
+  templatePatch: |
+    spec:
+      sources:
+        # First source is for value files
+        # Default revision is HEAD but can be overriden with clusters.${name}.valuesRevision
+        - repoURL: https://github.com/ysoftdevs/argo-poc.git
+          targetRevision: '{{ dig "stages" .values.stageName "valuesRevision" (dig "valuesRevision" "" .source) . }}'
+          ref: values
+        # Second source is for chart
+        # Default revision is .source.targetRevision but can be overriden with clusters.${name}.chartRevision
+        - repoURL: "{{ .source.repoURL }}"
+          targetRevision: '{{ dig "stages" .values.stageName "chartRevision" (dig "chartRevision" "" .source)  . }}'
+          ref: chart
+          chart: '{{ default "" .source.chart }}'
+          path: '{{ default "" .source.path }}'
+          helm:
+            releaseName: "{{ .path.basename }}"
+            valueFiles: {{- $v := .values }}{{- $ := . }}
+            {{- range $valueFile := ( .valueFiles ) }}
+              - $values/apps/{{$.appName}}/{{ $valueFile | replace "%provider%" $v.provider | replace "%stage%" $v.stageName | replace "%cluster%" $v.clusterName  }}
+            {{- end }}