[backport/2.2] Migrate k8s_cp module to new refactored code (#329)

Co-authored-by: Alina Buzachis <abuzachis@redhat.com>

plugins/module_utils/copy.py

@@ -24,6 +24,9 @@ from abc import ABCMeta, abstractmethod
 import tarfile
 
 # from ansible_collections.kubernetes.core.plugins.module_utils.ansiblemodule import AnsibleModule
+from ansible_collections.kubernetes.core.plugins.module_utils.k8s.exceptions import (
+    CoreException,
+)
 from ansible.module_utils._text import to_native
 
 try:
@@ -376,12 +379,17 @@ class K8SCopyToPod(K8SCopy):
         )
 
 
-def check_pod(k8s_ansible_mixin, module):
-    resource = k8s_ansible_mixin.find_resource("Pod", None, True)
+def check_pod(svc):
+    module = svc.module
     namespace = module.params.get("namespace")
     name = module.params.get("pod")
     container = module.params.get("container")
 
+    try:
+        resource = svc.find_resource("Pod", None, True)
+    except CoreException as e:
+        module.fail_json(msg=to_native(e))
+
     def _fail(exc):
         arg = {}
         if hasattr(exc, "body"):
@@ -398,7 +406,7 @@ def check_pod(k8s_ansible_mixin, module):
         module.fail_json(msg=msg, **arg)
 
     try:
-        result = resource.get(name=name, namespace=namespace)
+        result = svc.client.get(resource, name=name, namespace=namespace)
         containers = [
             c["name"] for c in result.to_dict()["status"]["containerStatuses"]
         ]

plugins/module_utils/k8s/core.py

@@ -15,6 +15,7 @@ class AnsibleK8SModule:
 
     default_settings = {
         "check_k8s": True,
+        "check_pyyaml": True,
         "module_class": AnsibleModule,
     }
 
@@ -33,6 +34,9 @@ class AnsibleK8SModule:
             self.requires("kubernetes")
             self.has_at_least("kubernetes", "12.0.0", warn=True)
 
+        if self.settings["check_pyyaml"]:
+            self.requires("pyyaml")
+
     @property
     def check_mode(self):
         return self._module.check_mode