Merge pull request #5849 from SDA-SE/feat/scaffolder-conditional

Conditional scaffolder steps

plugins/scaffolder-backend/sample-templates/v1beta2-demo/template.yaml

@@ -35,13 +35,14 @@ spec:
           description: System of the component
           ui:field: EntityPicker
           ui:options:
-            allowedKinds: 
+            allowedKinds:
               - System
             defaultKind: System
             
     - title: Choose a location
       required:
         - repoUrl
+        - dryRun
       properties:
         repoUrl:
           title: Repository Location
@@ -50,6 +51,10 @@ spec:
           ui:options:
             allowedHosts:
               - github.com
+        dryRun:
+          title: Only perform a dry run, don't publish anything
+          type: boolean
+          default: false
 
   steps:
     - id: fetch-base
@@ -59,7 +64,8 @@ spec:
         url: ./template
         values:
           name: '{{ parameters.name }}'
-          owner: '{{ parameters.owner }}'
+          owner: '{{ parameters.owner }}'         
+          system: '{{ parameters.system }}'
           destination: '{{ parseRepoUrl parameters.repoUrl }}'
 
     - id: fetch-docs
@@ -70,6 +76,7 @@ spec:
         url: https://github.com/backstage/community/tree/main/backstage-community-sessions
 
     - id: publish
+      if: '{{ not parameters.dryRun }}'
       name: Publish
       action: publish:github
       input:
@@ -78,12 +85,23 @@ spec:
         repoUrl: '{{ parameters.repoUrl }}'
 
     - id: register
+      if: '{{ not parameters.dryRun }}'
       name: Register
       action: catalog:register
       input:
         repoContentsUrl: '{{ steps.publish.output.repoContentsUrl }}'
         catalogInfoPath: '/catalog-info.yaml'
 
+    - name: Results
+      if: '{{ parameters.dryRun }}'
+      action: debug:log
+      input:
+        listWorkspace: true
+
   output:
-    remoteUrl: '{{ steps.publish.output.remoteUrl }}'
-    entityRef: '{{ steps.register.output.entityRef }}'
+    links:
+      - title: Repository
+        url: '{{ steps.publish.output.remoteUrl }}'
+      - title: Open in catalog
+        icon: 'catalog'
+        entityRef: '{{ steps.register.output.entityRef }}'

plugins/scaffolder-backend/sample-templates/v1beta2-demo/template/catalog-info.yaml

@@ -7,6 +7,6 @@ spec:
   type: website
   lifecycle: experimental
   owner: {{cookiecutter.owner | jsonify}}
-{%- if cookiecutter.backstage_system != "" %}
+{%- if 'system' in cookiecutter %}
   system: {{ cookiecutter.system | jsonify }}
 {%- endif %}