[shiftstack] Make shiftstackclient pod resources configurable

Add variables to configure CPU and memory requests/limits for
the shiftstackclient pod instead of hardcoding them.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: Ella Shulman <eshulman@redhat.com>

Author: eshulman2

roles/shiftstack/README.md

@@ -25,6 +25,10 @@ Role for triggering Openshift on Openstack QA automation (installation and tests
 * `cifmw_shiftstack_sc`: (*string*) The storage class to be used for PVC for the shiftstackclient pod. Defaults to `local-storage`.
 * `cifmw_shiftstack_shiftstackclient_artifacts_dir`: (*string*) The artifacts directory path for the shiftstackclient pod. Defaults to `/home/cloud-admin/artifacts`.
 * `cifmw_shiftstack_shiftstackclient_incluster_kubeconfig_dir`: (*string*) The directory path in shiftstackclient pod the will hold the RHOSO kubeconfig. Defaults to `/home/cloud-admin/incluster-kubeconfig`.
+* `cifmw_shiftstack_client_pod_ram_requests`: (*string*) Memory request for the shiftstackclient pod. Defaults to `12Gi`.
+* `cifmw_shiftstack_client_pod_ram_limits`: (*string*) Memory limit for the shiftstackclient pod. Defaults to `12Gi`.
+* `cifmw_shiftstack_client_pod_cpu_requests`: (*string*) CPU request for the shiftstackclient pod. Defaults to `4`.
+* `cifmw_shiftstack_client_pod_cpu_limits`: (*string*) CPU limit for the shiftstackclient pod. Defaults to `4`.
 
 ## Examples
 The role is imported in the test playbook, i.e. when:

roles/shiftstack/defaults/main.yml

@@ -40,3 +40,7 @@ cifmw_shiftstack_sc: "local-storage"
 cifmw_shiftstack_shiftstackclient_artifacts_dir: "/home/cloud-admin/artifacts"
 cifmw_shiftstack_shiftstackclient_installation_dir: "{{ cifmw_shiftstack_shiftstackclient_artifacts_dir }}/installation"
 cifmw_shiftstack_shiftstackclient_incluster_kubeconfig_dir: "/home/cloud-admin/incluster-kubeconfig"
+cifmw_shiftstack_client_pod_ram_requests: "12Gi"
+cifmw_shiftstack_client_pod_ram_limits: "12Gi"
+cifmw_shiftstack_client_pod_cpu_requests: "4"
+cifmw_shiftstack_client_pod_cpu_limits: "4"

roles/shiftstack/templates/shiftstackclient_pod.yml.j2

@@ -18,11 +18,11 @@ spec:
 {% else %}
     resources:
       requests:
-        memory: "12Gi"
-        cpu: "4"
+        memory: "{{ cifmw_shiftstack_client_pod_ram_requests }}"
+        cpu: "{{ cifmw_shiftstack_client_pod_cpu_requests }}"
       limits:
-        memory: "12Gi"
-        cpu: "4"
+        memory: "{{ cifmw_shiftstack_client_pod_ram_limits }}"
+        cpu: "{{ cifmw_shiftstack_client_pod_cpu_limits }}"
 {% endif %}
     securityContext:
       privileged: true

roles/shiftstack/templates/shiftstackclient_pvc.yml.j2

@@ -7,8 +7,6 @@ spec:
   storageClassName: {{ cifmw_shiftstack_sc }}
   accessModes:
     - ReadWriteOnce
-    - ReadWriteMany
-    - ReadOnlyMany
   resources:
     requests:
       storage: 2Gi