Modifying cnos-facts, cnos_command and cnos-config in line with the design followed in Ansible. Adding unit test cases for these modules. Added plugins to support them. (#39955)

* Modifying cnos-facts, cnos_command and cnos-config in line with the design followed in Ansible. Adding unit test cases for these modules. Added plugins to support them.

* Removing doc fragment conflicts with other modules

* Replacing show with display

lib/ansible/plugins/action/cnos.py

@@ -0,0 +1,84 @@
+# (C) 2017 Red Hat Inc.
+# Copyright (C) 2017 Lenovo.
+#
+# GNU General Public License v3.0+
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+#
+# Contains Action Plugin methods for ENOS Config Module
+# Lenovo Networking
+#
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import sys
+import copy
+
+from ansible import constants as C
+from ansible.plugins.action.normal import ActionModule as _ActionModule
+from ansible.module_utils.network.cnos.cnos import cnos_provider_spec
+from ansible.module_utils.network.common.utils import load_provider
+from ansible.module_utils.connection import Connection
+from ansible.module_utils._text import to_text
+
+
+try:
+    from __main__ import display
+except ImportError:
+    from ansible.utils.display import Display
+    display = Display()
+
+
+class ActionModule(_ActionModule):
+
+    def run(self, tmp=None, task_vars=None):
+        del tmp  # tmp no longer has any effect
+
+        socket_path = None
+        if self._play_context.connection == 'local':
+            provider = load_provider(cnos_provider_spec, self._task.args)
+            pc = copy.deepcopy(self._play_context)
+            pc.connection = 'network_cli'
+            pc.network_os = 'cnos'
+            pc.remote_addr = provider['host'] or self._play_context.remote_addr
+            pc.port = provider['port'] or self._play_context.port or 22
+            pc.remote_user = provider['username'] or self._play_context.connection_user
+            pc.password = provider['password'] or self._play_context.password
+            pc.private_key_file = provider['ssh_keyfile'] or self._play_context.private_key_file
+            pc.timeout = int(provider['timeout'] or C.PERSISTENT_COMMAND_TIMEOUT)
+            pc.become = provider['authorize'] or True
+            pc.become_pass = provider['auth_pass']
+            pc.become_method = 'enable'
+
+            display.vvv('using connection plugin %s (was local)' % pc.connection, pc.remote_addr)
+            connection = self._shared_loader_obj.connection_loader.get('persistent', pc, sys.stdin)
+            socket_path = connection.run()
+            display.vvvv('socket_path: %s' % socket_path, pc.remote_addr)
+            if not socket_path:
+                return {'failed': True,
+                        'msg': 'unable to open shell. Please see: ' +
+                               'https://docs.ansible.com/ansible/network_debug_troubleshooting.html#unable-to-open-shell'}
+
+            task_vars['ansible_socket'] = socket_path
+
+        # make sure we are in the right cli context which should be
+        # enable mode and not config module or exec mode
+        if socket_path is None:
+            socket_path = self._connection.socket_path
+
+        conn = Connection(socket_path)
+        out = conn.get_prompt()
+        if to_text(out, errors='surrogate_then_replace').strip().endswith(')#'):
+            display.vvvv('In Config mode, sending exit to device', self._play_context.remote_addr)
+            conn.send_command('exit')
+        else:
+            conn.send_command('enable')
+
+        result = super(ActionModule, self).run(task_vars=task_vars)
+        return result