updates ios modules to support persistent socket (#21258)

* updates all ios modules to support persistent socket
* adds ios action plugin to connect to device
* adds exec_command() to ios shared module
* fixes ios_config and ios_template local action
* update all unit test cases
* adds base test module for ios module testing

lib/ansible/modules/network/ios/ios_config.py

@@ -33,7 +33,6 @@ description:
     for segmenting configuration into sections.  This module provides
     an implementation for working with IOS configuration sections in
     a deterministic way.
-extends_documentation_fragment: ios
 options:
   lines:
     description:
@@ -202,31 +201,14 @@ backup_path:
   returned: when backup is yes
   type: path
   sample: /playbooks/ansible/backup/ios_config.2016-07-16@22:28:34
-start:
-  description: The time the job started
-  returned: always
-  type: str
-  sample: "2016-11-16 10:38:15.126146"
-end:
-  description: The time the job ended
-  returned: always
-  type: str
-  sample: "2016-11-16 10:38:25.595612"
-delta:
-  description: The time elapsed to perform all operations
-  returned: always
-  type: str
-  sample: "0:00:10.469466"
 """
 import re
 import time
 
-from functools import partial
-
-from ansible.module_utils import ios
-from ansible.module_utils import ios_cli
+from ansible.module_utils.ios import run_commands, get_config, load_config
+from ansible.module_utils.ios import ios_argument_spec
+from ansible.module_utils.ios import check_args as ios_check_args
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.local import LocalAnsibleModule
 from ansible.module_utils.network_common import ComplexList
 from ansible.module_utils.netcli import Conditional
 from ansible.module_utils.six import string_types
@@ -234,26 +216,8 @@ from ansible.module_utils.netcfg import NetworkConfig, dumps
 from ansible.module_utils.six import iteritems
 
 
-SHARED_LIB = 'ios'
-
-def get_ansible_module():
-    if SHARED_LIB == 'ios':
-        return LocalAnsibleModule
-    return AnsibleModule
-
-def invoke(name, *args, **kwargs):
-    obj = globals().get(SHARED_LIB)
-    func = getattr(obj, name)
-    return func(*args, **kwargs)
-
-run_commands = partial(invoke, 'run_commands')
-load_config = partial(invoke, 'load_config')
-get_config = partial(invoke, 'get_config')
-
 def check_args(module, warnings):
-    if SHARED_LIB == 'ios_cli':
-        ios_cli.check_args(module)
-
+    ios_check_args(module, warnings)
     if module.params['multiline_delimiter']:
         if len(module.params['multiline_delimiter']) != 1:
             module.fail_json(msg='multiline_delimiter value can only be a '
@@ -350,7 +314,7 @@ def main():
         save=dict(type='bool', default=False),
     )
 
-    argument_spec.update(ios_cli.ios_cli_argument_spec)
+    argument_spec.update(ios_argument_spec)
 
     mutually_exclusive = [('lines', 'src')]
 
@@ -358,22 +322,19 @@ def main():
                    ('match', 'exact', ['lines']),
                    ('replace', 'block', ['lines'])]
 
-    cls = get_ansible_module()
-    module = cls(argument_spec=argument_spec,
-                mutually_exclusive=mutually_exclusive,
-                required_if=required_if,
-                supports_check_mode=True)
-
-    warnings = list()
-    check_args(module, warnings)
+    module = AnsibleModule(argument_spec=argument_spec,
+                           mutually_exclusive=mutually_exclusive,
+                           required_if=required_if,
+                           supports_check_mode=True)
 
     if module.params['force'] is True:
         module.params['match'] = 'none'
 
+    result = {'changed': False}
+
     warnings = list()
     check_args(module, warnings)
-
-    result = {'changed': False, 'warnings': warnings}
+    result['warnings'] = warnings
 
     if any((module.params['lines'], module.params['src'])):
         match = module.params['match']
@@ -403,7 +364,7 @@ def main():
                 if module.params['after']:
                     commands.extend(module.params['after'])
 
-            result['updates'] = commands
+            result['commands'] = commands
             result['banners'] = banners
 
             # send the configuration commands to the device and merge
@@ -428,5 +389,4 @@ def main():
 
 
 if __name__ == '__main__':
-    SHARED_LIB = 'ios_cli'
     main()