Add test: validate metric-storage-prometheus-endpoint secret

Author: mgirgisf

ci/default-telemetry/tasks/main.yml

@@ -29,3 +29,7 @@
 - name: Test podlevel TLS with NAD for MetricStorage
   ansible.builtin.include_tasks:
     file: test_podlevel_tls_with_nad_metricstorage.yml
+
+- name: Test Prometheus_secret values
+  ansible.builtin.include_tasks:
+    file: test_prometheus_secret.yml

ci/default-telemetry/tasks/test_prometheus_secret.yml

@@ -0,0 +1,20 @@
+- name: Get metric-storage-prometheus-endpoint secret values
+  ansible.builtin.shell: |
+    oc get secret metric-storage-prometheus-endpoint -n openstack -o json \
+    | jq -r '.data | to_entries[] | "\(.key)=\(.value|@base64d)"'
+  register: secret_output
+  changed_when: false
+
+- name: Show secret decoded values
+  ansible.builtin.debug:
+    var: secret_output.stdout_lines
+
+- name: Assert secret contains expected values
+  ansible.builtin.assert:
+    that:
+      - "'ca_key=ca.crt' in secret_output.stdout_lines"
+      - "'ca_secret=cert-metric-storage-prometheus-svc' in secret_output.stdout_lines"
+      - "'host=metric-storage-prometheus.openstack.svc' in secret_output.stdout_lines"
+      - "'port=9090' in secret_output.stdout_lines"
+    fail_msg: "Secret metric-storage-prometheus-endpoint is missing required values"
+    success_msg: "Secret metric-storage-prometheus-endpoint contains all required values"