communishift: set default resource limits for pods

Once a resource quota is set for a namespace, kube will refuse to
schedule any pod without limits set, including build pod.
This can be difficult to figure out unless you know where to look, and
can be challenging for new openshift/kubernetes users.
Setting a default limit would, at least, avoid the non-schedulable
issue.

roles/communishift/tasks/create-limit-range.yml

@@ -0,0 +1,21 @@
+---
+- name: Create a k8s LimitRange
+  community.okd.k8s:
+    api_key: "{{ communishift_ocp_api_token }}"
+    host: "{{ communishift_ocp_api_host }}"
+    state: present
+    definition:
+      apiVersion: v1
+      kind: LimitRange
+      metadata:
+        name: "{{ communishift_project_name }}-limitrange"
+        namespace: "{{ communishift_project_name }}"
+      spec:
+        limits:
+          - default:
+              cpu: 500m
+              memory: 500Mi
+            defaultRequest:
+              cpu: 100m
+              memory: 100Mi
+            type: Container

roles/communishift/tasks/main.yml

@@ -12,3 +12,4 @@
 - include_tasks: create-role.yml
 - include_tasks: create-role-binding.yml
 - include_tasks: create-resource-quota.yml
+- include_tasks: create-limit-range.yml