build cobald image from slurm role, separated tags

roles/cobald/tasks/dockerimage-generic.yml

@@ -0,0 +1,34 @@
+- file:
+    path: "/container/docker-images/cobald.{{cobald_image_tag|default('latest')}}/"
+    state: directory
+    owner: "{{unpriv_user}}"
+    group: docker
+
+- template:
+    src: cobald.Dockerfile
+    dest: "/container/docker-images/cobald.{{cobald_image_tag|default('latest')}}/Dockerfile"
+    owner: "{{unpriv_user}}"
+    group: docker
+  register: cobald_cp_dockerfile
+
+- copy:
+    src: "{{item}}"
+    dest: "/container/docker-images/cobald.{{cobald_image_tag|default('latest')}}/{{item}}"
+    owner: "{{unpriv_user}}"
+    group: docker
+    mode: 0755
+  with_items:
+  - cobald-entrypoint.sh
+  - init-cobaldmodules.sh
+  register: cobald_cp_files
+
+- docker_image:
+    name: "cobald"
+    tag: "{{cobald_image_tag|default('latest')}}"
+#    pull: False
+    build:
+      pull: False
+      path: "/container/docker-images/cobald.{{cobald_image_tag|default('latest')}}/"
+    source: build
+    force_source: "{{cobald_cp_dockerfile.changed or cobald_cp_files.changed}}"
+