Fix kepler metrics tests (#224)

Kepler metrics tests were added in [1] though the merged commit
was not the correct one. This PR aplies changes from [2] that had
more correct code of the tests.

Fixes OSPRH-14029

[1] #193
[2] 0b5d856

Co-authored-by: Jaromír Wysoglad <[email protected]>

Author: rsafrono

roles/telemetry_verify_metrics/tasks/verify_kepler_metrics.yml

@@ -6,12 +6,6 @@
     common_cr_list:
       - kind: scrapeconfigs.monitoring.rhobs
         name: telemetry-kepler
-    kepler_dashboard_metrics:
-      - kepler_vm_platform_joules_total
-      - kepler_node_platform_joules_total
-      - kepler_process_joules_total
-      - kepler_container_joules_total
-      - kepler_node_info
 
 - name: Verify Kepler container is up
   ansible.builtin.include_tasks:
@@ -27,10 +21,18 @@
 - name: |
     TEST Use openstack observabilityclient to verify kepler metrics are stored in prometheus
     RHOSO-1216
+  vars:
+    kepler_metrics:
+      - kepler_vm_platform_joules_total
+      - kepler_node_platform_joules_total
+      - kepler_process_joules_total
+      - kepler_container_joules_total
+      - kepler_node_info
   ansible.builtin.shell: |
-    {{ openstack_cmd }} metric show --disable-rbac kepler_node_info
+    {{ openstack_cmd }} metric show --disable-rbac {{ item }}
   register: result
   delay: 30
   retries: 10
   changed_when: false
-  until: result.rc == 0 and "kepler_node_info" in result.stdout
+  until: result.rc == 0 and item in result.stdout
+  loop: "{{ kepler_metrics }}"