feat(argo-cd): support ApplicationSet in any namespace. (#2402)

* chore(argo-cd): support ApplicationSet in any namespace.

Signed-off-by: mugioka <okamugi0722@gmail.com>

* chore: apply feedback by maintainer.

Signed-off-by: mugioka <okamugi0722@gmail.com>

* fix: docs is not generated.

Signed-off-by: mugioka <okamugi0722@gmail.com>

---------

Signed-off-by: mugioka <okamugi0722@gmail.com>

charts/argo-cd/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v2.10.2
 kubeVersion: ">=1.23.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 6.5.1
+version: 6.6.0
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -27,4 +27,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: changed
-      description: Bump argo-cd to v2.10.2
+      description: Support ApplicationSet in any namespace.

charts/argo-cd/README.md

@@ -1302,6 +1302,7 @@ If you want to use an existing Redis (eg. a managed service from a cloud provide
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
 | applicationSet.affinity | object | `{}` (defaults to global.affinity preset) | Assign custom [affinity] rules |
+| applicationSet.allowAnyNamespace | bool | `false` | Enable ApplicationSet in any namespace feature |
 | applicationSet.certificate.additionalHosts | list | `[]` | Certificate Subject Alternate Names (SANs) |
 | applicationSet.certificate.annotations | object | `{}` | Annotations to be applied to the ApplicationSet Certificate |
 | applicationSet.certificate.domain | string | `""` (defaults to global.domain) | Certificate primary domain (commonName) |

charts/argo-cd/templates/argocd-applicationset/clusterrole.yaml

@@ -0,0 +1,89 @@
+{{- if .Values.applicationSet.allowAnyNamespace }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: {{ include "argo-cd.applicationSet.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "argo-cd.labels" (dict "context" . "component" .Values.applicationSet.name "name" .Values.applicationSet.name) | nindent 4 }}
+rules:
+  - apiGroups:
+    - argoproj.io
+    resources:
+    - applications
+    - applicationsets
+    - applicationsets/finalizers
+    verbs:
+    - create
+    - delete
+    - get
+    - list
+    - patch
+    - update
+    - watch
+  - apiGroups:
+    - argoproj.io
+    resources:
+    - applicationsets/status
+    verbs:
+    - get
+    - patch
+    - update
+  - apiGroups:
+    - argoproj.io
+    resources:
+    - appprojects
+    verbs:
+    - get
+  - apiGroups:
+    - ""
+    resources:
+    - events
+    verbs:
+    - create
+    - get
+    - list
+    - patch
+    - watch
+  - apiGroups:
+    - ""
+    resources:
+    - configmaps
+    verbs:
+    - create
+    - update
+    - delete
+    - get
+    - list
+    - patch
+    - watch
+  - apiGroups:
+    - ""
+    resources:
+    - secrets
+    verbs:
+    - get
+    - list
+    - watch
+  - apiGroups:
+    - apps
+    - extensions
+    resources:
+    - deployments
+    verbs:
+    - get
+    - list
+    - watch
+  - apiGroups:
+    - coordination.k8s.io
+    resources:
+    - leases
+    verbs:
+    - create
+    - delete
+    - get
+    - list
+    - patch
+    - update
+    - watch
+{{- end }}

charts/argo-cd/templates/argocd-applicationset/clusterrolebinding.yaml

@@ -0,0 +1,17 @@
+{{- if .Values.applicationSet.allowAnyNamespace }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ template "argo-cd.applicationSet.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "argo-cd.labels" (dict "context" . "component" .Values.applicationSet.name "name" .Values.applicationSet.name) | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ template "argo-cd.applicationSet.fullname" . }}
+subjects:
+  - kind: ServiceAccount
+    name: {{ template "argo-cd.applicationSet.serviceAccountName" . }}
+    namespace: {{ .Release.Namespace }}
+{{- end }}

charts/argo-cd/values.yaml

@@ -2928,7 +2928,8 @@ applicationSet:
       # - secretName: argocd-applicationset-tls
       #   hosts:
       #     - argocd-applicationset.example.com
-
+  # -- Enable ApplicationSet in any namespace feature
+  allowAnyNamespace: false
 ## Notifications controller
 notifications:
   # -- Enable notifications controller