Create a role to run jobs in OpenShift

Inspired by Koschei's `koschei/job` role.
Adapt the MirrorManager move-to-archive job to it.

Signed-off-by: Aurélien Bompard <aurelien@bompard.org>

playbooks/manual/mirrormanager/move-to-archive.yml

@@ -16,8 +16,6 @@
     - /srv/web/infra/ansible/vars/apps/mirrormanager.yml
   handlers:
     - import_tasks: "{{ handlers_path }}/restart_services.yml"
-  vars:
-    job_name: move-to-archive-{{ product|lower|replace(" ", "-") }}-{{ version|lower|replace(" ", "-") }}-{{ ansible_date_time.epoch }}
 
   pre_tasks:
     - name: Validate the product {{ product }}
@@ -33,16 +31,7 @@
         fail_msg: "The 'version' variable is not defined"
 
   roles:
-    - role: openshift/object
+    - role: openshift/job
       app: mirrormanager
-      template: cmd-move-to-archive.yml
-      objectname: cmd-move-to-archive.yml
-      always_apply: true
-
-  tasks:
-    - debug:
-        msg: "Job started. You can watch the logs with: oc -n mirrormanager logs -f job/{{job_name}}"
-    - debug:
-        msg: "You can cancel it with: oc -n mirrormanager delete job/{{job_name}}"
-    - debug:
-        msg: "When it's done, clean it up with: oc -n mirrormanager delete job/{{job_name}}"
+      name: move-to-archive-{{ product|lower|replace(" ", "-") }}-{{ version|lower|replace(" ", "-") }}
+      command: "/opt/app-root/bin/mm2_move-to-archive --product {{ product }} --version {{ version }}"

roles/openshift-apps/mirrormanager/templates/job.yml

@@ -1,10 +1,10 @@
 {% from "_macros.yml" import common_volume_mounts, common_volumes, common_env, security_context with context %}
-# Manual command: move-to-archive
+# A template for manual commands
 ---
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: "{{ job_name }}"
+  name: "job-{{ name }}"
 spec:
   parallelism: 1
   completions: 1
@@ -16,12 +16,7 @@ spec:
       containers:
         - name: mirrormanager
           image: image-registry.openshift-image-registry.svc:5000/mirrormanager/mirrormanager2:latest
-          command:
-            - "/opt/app-root/bin/mm2_move-to-archive"
-            - "--product"
-            - "{{ product }}"
-            - "--version"
-            - "{{ version }}"
+          command: ["/bin/bash", "-euxc", "{{command}}"]
           env:
             {{ common_env() }}
           volumeMounts:

roles/openshift/job/defaults/main.yml

@@ -0,0 +1,2 @@
+os_app: "{{app}}"
+template: job.yml

roles/openshift/job/tasks/main.yml

@@ -0,0 +1,30 @@
+- name: Validate the job name {{ name }}
+  assert:
+    that:
+    - name is defined
+    fail_msg: "The 'name' variable is not defined"
+
+- name: Validate the command {{ command }}
+  assert:
+    that:
+    - command is defined
+    fail_msg: "The 'command' variable is not defined"
+
+- name: Copy job template to a temporary file
+  template:
+    src: "{{roles_path}}/openshift-apps/{{app}}/templates/{{template}}"
+    dest: "/etc/openshift_apps/{{app}}/job-{{name}}.yml"
+
+- name: Delete previous job (if any)
+  shell: oc -n {{os_app}} delete --ignore-not-found=true -f /etc/openshift_apps/{{app}}/job-{{name}}.yml
+
+- name: Start job
+  shell: oc -n {{os_app}} create -f /etc/openshift_apps/{{app}}/job-{{name}}.yml
+
+- debug:
+    msg: "Job started. You can watch the logs with: oc -n {{os_app}} logs -f job/job-{{name}}"
+- debug:
+    msg: "You can cancel it with: oc -n {{os_app}} delete job/job-{{name}}"
+
+- name: Wait for job to complete
+  shell: oc -n {{os_app}} wait job/job-{{name}} --for condition=complete