Add testcase for multi resource template (#245)

User can combine multiple resources in the given template
file, which can be consumed by k8s module to create multiple
resources at once.

Fixes: #243

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

changelogs/fragments/243_template.yml

@@ -0,0 +1,2 @@
+minor_changes:
+- k8s - add testcase for adding multiple resources using template parameter (https://github.com/ansible-collections/community.kubernetes/issues/243).

molecule/default/tasks/template.yml

@@ -132,20 +132,32 @@
         that:
           - r is successful
 
+    - name: Create pods using multi-resource template
+      community.kubernetes.k8s:
+        template:
+          path: "pod_template_three.j2"
+        wait: yes
+      vars:
+        k8s_pod_name_one: pod-5
+        k8s_pod_name_two: pod-6
+        k8s_pod_namespace: "{{ template_namespace }}"
+      register: r
+
+    - name: Assert that pod creation succeeded using template
+      assert:
+        that:
+          - r is successful
+
     - name: Remove Pod (Cleanup)
       k8s:
         api_version: v1
         kind: Pod
-        name: "{{ item }}"
+        name: "pod-{{ item }}"
         namespace: "{{ template_namespace }}"
         state: absent
         wait: yes
       ignore_errors: yes
-      with_items:
-        - pod-1
-        - pod-2
-        - pod-3
-        - pod-4
+      loop: "{{ range(1, 7) | list }}"
 
   always:
     - name: Remove namespace (Cleanup)

molecule/default/templates/pod_template_three.j2

@@ -0,0 +1,35 @@
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app: "{{ k8s_pod_name_one }}"
+  name: '{{ k8s_pod_name_one }}'
+  namespace: '{{ k8s_pod_namespace }}'
+spec:
+  containers:
+  - args:
+    - /bin/sh
+    - -c
+    - while true; do echo $(date); sleep 10; done
+    image: python:3.7-alpine
+    imagePullPolicy: Always
+    name: '{{ k8s_pod_name_one }}'
+
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app: "{{ k8s_pod_name_two }}"
+  name: '{{ k8s_pod_name_two }}'
+  namespace: '{{ k8s_pod_namespace }}'
+spec:
+  containers:
+  - args:
+    - /bin/sh
+    - -c
+    - while true; do echo $(date); sleep 10; done
+    image: python:3.7-alpine
+    imagePullPolicy: Always
+    name: '{{ k8s_pod_name_two }}'