Fix CI issues

- Fixes ansible-lint errors
- Extract info and list states from ceph_key (1) by creating 2 new
  modules
- Extract info from ceph_crush_rules (1) by creating an additional
  module

(1) https://docs.ansible.com/ansible/latest/dev_guide/developing_modules_general.html#creating-an-info-or-a-facts-module

Signed-off-by: Teoman ONAY <tonay@ibm.com>

Author: asm0deuz

changelogs/fragments/1_0_2.yml

@@ -0,0 +1,2 @@
+major_changes:
+  - Import ceph-ansible modules and fixes unittests

plugins/module_utils/ceph_common.py

@@ -2,6 +2,7 @@
 __metaclass__ = type
 
 import datetime
+import os
 import time
 from typing import TYPE_CHECKING, Any, List, Dict, Callable, Type, TypeVar, Optional
 
@@ -10,6 +11,7 @@
 
 ExceptionType = TypeVar('ExceptionType', bound=BaseException)
 
+
 def generate_cmd(cmd='ceph',
                  sub_cmd=None,
                  args=None,

plugins/module_utils/ceph_crush_rule_common.py

@@ -0,0 +1,26 @@
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+try:
+    from ansible_collections.ceph.automation.plugins.module_utils.ceph_common import generate_cmd
+except ImportError:
+    from module_utils.ceph_common import generate_cmd
+
+
+def get_rule(module, container_image=None):
+    '''
+    Get existing crush rule
+    '''
+
+    cluster = module.params.get('cluster')
+    name = module.params.get('name')
+
+    args = ['dump', name, '--format=json']
+
+    cmd = generate_cmd(sub_cmd=['osd', 'crush', 'rule'],
+                       args=args,
+                       cluster=cluster,
+                       container_image=container_image)
+
+    return cmd

plugins/module_utils/ceph_key_common.py

@@ -0,0 +1,15 @@
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+def exec_commands(module, cmd_list):
+    '''
+    Execute command(s)
+    '''
+
+    for cmd in cmd_list:
+        rc, out, err = module.run_command(cmd)
+        if rc != 0:
+            return rc, cmd, out, err
+
+    return rc, cmd, out, err