k8s_cp - a new module for copying files to/from a Pod (#127)

* k8s_cp module

* add documentation for k8s_cp module

* add doc for the new module

* pods should be running

* support for binary, archive and zip file

* sanity

* Delete file.txt

* remove unused

* set back

* Update collection.txt

* Update test_copy_errors.yml

* Update plugins/modules/k8s_cp.py

Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>

* Update k8s_cp.py

* Update k8s_cp.py

* tar binary requirements

* Update common.py

* Update k8s_cp.py

* Update k8s_cp.py

* replace kind with binary file

* Update test_copy_large_file.yml

* Update plugins/action/k8s_info.py

Co-authored-by: Mike Graves <mgraves@redhat.com>

* Update k8s_info.py

* Update k8s_info.py

* Update k8s_cp.py

Co-authored-by: Abhijeet Kasurde <akasurde@redhat.com>
Co-authored-by: Mike Graves <mgraves@redhat.com>

molecule/default/roles/k8scopy/tasks/main.yml

@@ -0,0 +1,46 @@
+---
+- block:
+    - name: Download kubeclt executable used to compare results
+      get_url:
+        url: https://dl.k8s.io/release/v1.21.3/bin/linux/amd64/kubectl
+        dest: "{{ kubectl_path }}"
+
+    - name: make kubectl executable
+      ansible.builtin.file:
+        path: "{{ kubectl_path }}"
+        mode: "+x"
+
+    # Ensure namespace and create pod to perform tests on
+    - name: Ensure namespace exists
+      k8s:
+        definition:
+          apiVersion: v1
+          kind: Namespace
+          metadata:
+            name: "{{ copy_namespace }}"
+
+    - name: Create Pods
+      k8s:
+        namespace: '{{ copy_namespace }}'
+        wait: yes
+        template: pods_definition.j2
+
+    - include_tasks: test_copy_errors.yml
+    - include_tasks: test_copy_file.yml
+    - include_tasks: test_multi_container_pod.yml
+    - include_tasks: test_copy_directory.yml
+    - include_tasks: test_copy_large_file.yml
+
+  always:
+    - name: Remove kubectl executable
+      ansible.builtin.file:
+        path: "{{ kubectl_path }}"
+        state: absent
+      ignore_errors: true
+
+    - name: Remove namespace
+      k8s:
+        kind: Namespace
+        name: "{{ copy_namespace }}"
+        state: absent
+      ignore_errors: true