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Connection plugins network_cli and netconf (#32521)

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* implements jsonrpc message passing for ansible-connection

* implements more generic mechanism for persistent connections
* starts persistent connection in task_executor if enabled and supported
* supports using network_cli as top level connection plugin
* enhances logging for persistent connection to stdout

* Update action plugins

* Fix Python3 RPC

* Fix Junos bytes<-->str issues

* supports using netconf as top level connection plugin

* Error message when running netconf on an unsupported platform
* Update tests

* Fix `authorize: yes` for `connection: local`

* Handle potentially JSON data in terminal

* Add clarifying detail if possible on ConnectionError
This commit is contained in:
Nathaniel Case 2017-11-09 15:04:40 -05:00 • committed by GitHub
commit 9c0275a879
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26 changed files with 722 additions and 798 deletions
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32
lib/ansible/plugins/connection/__init__.py
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@ -1,21 +1,7 @@
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
# (c) 2015 Toshio Kuratomi <tkuratomi@ansible.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
# (c) 2017, Peter Sprygada <psprygad@redhat.com>
# (c) 2017 Ansible Project
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
@ -69,6 +55,11 @@ class ConnectionBase(AnsiblePlugin):
module_implementation_preferences = ('',)
allow_executable = True
# the following control whether or not the connection supports the
# persistent connection framework or not
supports_persistence = False
force_persistence = False
def __init__(self, play_context, new_stdin, *args, **kwargs):
super(ConnectionBase, self).__init__()
@ -88,6 +79,8 @@ class ConnectionBase(AnsiblePlugin):
self.prompt = None
self._connected = False
self._socket_path = None
# load the shell plugin for this action/connection
if play_context.shell:
shell_type = play_context.shell
@ -110,6 +103,11 @@ class ConnectionBase(AnsiblePlugin):
'''Read-only property holding whether the connection to the remote host is active or closed.'''
return self._connected
@property
def socket_path(self):
'''Read-only property holding the connection socket path for this remote host'''
return self._socket_path
def _become_method_supported(self):
''' Checks if the current class supports this privilege escalation method '''