add backstage deployment

ansible-5/roles/prod.k3s/tasks/deployments/backstage.yaml

@@ -0,0 +1,37 @@
+---
+# deployment task for backstage portal
+# https://github.com/backstage/charts/tree/main/charts/backstage
+
+- name: Create a namespace for backstage
+  k8s:
+    kubeconfig: "/etc/rancher/k3s/k3s.yaml"
+    name: "{{apps.backstage.namespace}}"
+    api_version: v1
+    kind: Namespace
+    state: "{{apps.backstage.state}}"
+  become: true
+
+- name: Install backstage instance
+  block:
+    - name: Add backstage chart helm repo
+      local_action:
+        module: kubernetes.core.helm_repository
+        name: backstage
+        repo_url: https://backstage.github.io/charts
+
+    - name: load variables files/backstage/values.yaml
+      ansible.builtin.include_vars:
+        file: files/backstage/values.yaml
+        name: release_values
+
+    - name: Install backstage chart
+      local_action:
+        module: kubernetes.core.helm
+        release_state: "{{apps.backstage.state}}"
+        name: backstage
+        namespace: "{{apps.backstage.namespace}}"
+        create_namespace: yes
+        update_repo_cache: True
+        chart_ref: backstage/backstage
+        values: "{{release_values}}"
+        wait: true