mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-26 23:00:36 +00:00
316 lines
11 KiB
Python
316 lines
11 KiB
Python
#
|
|
# (c) 2017 Red Hat Inc.
|
|
#
|
|
# 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/>.
|
|
#
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
DOCUMENTATION = """
|
|
---
|
|
author: Ansible Networking Team
|
|
cliconf: eos
|
|
short_description: Use eos cliconf to run command on eos platform
|
|
description:
|
|
- This eos plugin provides low level abstraction api's for
|
|
sending and receiving CLI commands from eos network devices.
|
|
version_added: "2.7"
|
|
options:
|
|
eos_use_sessions:
|
|
type: int
|
|
default: 1
|
|
description:
|
|
- Specifies if sessions should be used on remote host or not
|
|
env:
|
|
- name: ANSIBLE_EOS_USE_SESSIONS
|
|
vars:
|
|
- name: ansible_eos_use_sessions
|
|
version_added: '2.7'
|
|
"""
|
|
|
|
import collections
|
|
import json
|
|
import time
|
|
|
|
from ansible.errors import AnsibleConnectionFailure
|
|
from ansible.module_utils._text import to_text
|
|
from ansible.module_utils.network.common.utils import to_list
|
|
from ansible.module_utils.network.common.config import NetworkConfig, dumps
|
|
from ansible.plugins.cliconf import CliconfBase, enable_mode
|
|
from ansible.plugins.connection.network_cli import Connection as NetworkCli
|
|
from ansible.plugins.connection.httpapi import Connection as HttpApi
|
|
|
|
|
|
class Cliconf(CliconfBase):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(Cliconf, self).__init__(*args, **kwargs)
|
|
self._session_support = None
|
|
|
|
def send_command(self, command, **kwargs):
|
|
"""Executes a cli command and returns the results
|
|
This method will execute the CLI command on the connection and return
|
|
the results to the caller. The command output will be returned as a
|
|
string
|
|
"""
|
|
if isinstance(self._connection, NetworkCli):
|
|
resp = super(Cliconf, self).send_command(command, **kwargs)
|
|
elif isinstance(self._connection, HttpApi):
|
|
resp = self._connection.send_request(command, **kwargs)
|
|
else:
|
|
raise ValueError("Invalid connection type")
|
|
return resp
|
|
|
|
@enable_mode
|
|
def get_config(self, source='running', format='text', flags=None):
|
|
options_values = self.get_option_values()
|
|
if format not in options_values['format']:
|
|
raise ValueError("'format' value %s is invalid. Valid values are %s" % (format, ','.join(options_values['format'])))
|
|
|
|
lookup = {'running': 'running-config', 'startup': 'startup-config'}
|
|
if source not in lookup:
|
|
raise ValueError("fetching configuration from %s is not supported" % source)
|
|
|
|
cmd = 'show %s ' % lookup[source]
|
|
if format and format is not 'text':
|
|
cmd += '| %s ' % format
|
|
|
|
cmd += ' '.join(to_list(flags))
|
|
cmd = cmd.strip()
|
|
return self.send_command(cmd)
|
|
|
|
@enable_mode
|
|
def edit_config(self, candidate=None, commit=True, replace=None, comment=None):
|
|
|
|
operations = self.get_device_operations()
|
|
self.check_edit_config_capability(operations, candidate, commit, replace, comment)
|
|
|
|
if (commit is False) and (not self.supports_sessions):
|
|
raise ValueError('check mode is not supported without configuration session')
|
|
|
|
resp = {}
|
|
session = None
|
|
if self.supports_sessions:
|
|
session = 'ansible_%s' % int(time.time())
|
|
resp.update({'session': session})
|
|
self.send_command('configure session %s' % session)
|
|
if replace:
|
|
self.send_command('rollback clean-config')
|
|
else:
|
|
self.send_command('configure')
|
|
|
|
results = []
|
|
requests = []
|
|
multiline = False
|
|
for line in to_list(candidate):
|
|
if not isinstance(line, collections.Mapping):
|
|
line = {'command': line}
|
|
|
|
cmd = line['command']
|
|
if cmd == 'end':
|
|
continue
|
|
elif cmd.startswith('banner') or multiline:
|
|
multiline = True
|
|
elif cmd == 'EOF' and multiline:
|
|
multiline = False
|
|
|
|
if multiline:
|
|
line['sendonly'] = True
|
|
|
|
if cmd != 'end' and cmd[0] != '!':
|
|
try:
|
|
results.append(self.send_command(**line))
|
|
requests.append(cmd)
|
|
except AnsibleConnectionFailure as e:
|
|
self.discard_changes(session)
|
|
raise AnsibleConnectionFailure(e.message)
|
|
|
|
resp['request'] = requests
|
|
resp['response'] = results
|
|
if self.supports_sessions:
|
|
out = self.send_command('show session-config diffs')
|
|
if out:
|
|
resp['diff'] = out.strip()
|
|
|
|
if commit:
|
|
self.commit()
|
|
else:
|
|
self.discard_changes(session)
|
|
else:
|
|
self.send_command('end')
|
|
return resp
|
|
|
|
def get(self, command, prompt=None, answer=None, sendonly=False, output=None, check_all=False):
|
|
if output:
|
|
command = self._get_command_with_output(command, output)
|
|
return self.send_command(command, prompt=prompt, answer=answer, sendonly=sendonly, check_all=check_all)
|
|
|
|
def commit(self):
|
|
self.send_command('commit')
|
|
|
|
def discard_changes(self, session=None):
|
|
commands = ['end']
|
|
if self.supports_sessions:
|
|
# to close session gracefully execute abort in top level session prompt.
|
|
commands.extend(['configure session %s' % session, 'abort'])
|
|
|
|
for cmd in commands:
|
|
self.send_command(cmd)
|
|
|
|
def run_commands(self, commands=None, check_rc=True):
|
|
if commands is None:
|
|
raise ValueError("'commands' value is required")
|
|
responses = list()
|
|
for cmd in to_list(commands):
|
|
if not isinstance(cmd, collections.Mapping):
|
|
cmd = {'command': cmd}
|
|
|
|
output = cmd.pop('output', None)
|
|
if output:
|
|
cmd['command'] = self._get_command_with_output(cmd['command'], output)
|
|
|
|
try:
|
|
out = self.send_command(**cmd)
|
|
except AnsibleConnectionFailure as e:
|
|
if check_rc:
|
|
raise
|
|
out = getattr(e, 'err', e)
|
|
out = to_text(out, errors='surrogate_or_strict')
|
|
|
|
if out is not None:
|
|
try:
|
|
out = json.loads(out)
|
|
except ValueError:
|
|
out = out.strip()
|
|
|
|
responses.append(out)
|
|
return responses
|
|
|
|
def get_diff(self, candidate=None, running=None, diff_match='line', diff_ignore_lines=None, path=None, diff_replace='line'):
|
|
diff = {}
|
|
device_operations = self.get_device_operations()
|
|
option_values = self.get_option_values()
|
|
|
|
if candidate is None and device_operations['supports_generate_diff']:
|
|
raise ValueError("candidate configuration is required to generate diff")
|
|
|
|
if diff_match not in option_values['diff_match']:
|
|
raise ValueError("'match' value %s in invalid, valid values are %s" % (diff_match, ', '.join(option_values['diff_match'])))
|
|
|
|
if diff_replace not in option_values['diff_replace']:
|
|
raise ValueError("'replace' value %s in invalid, valid values are %s" % (diff_replace, ', '.join(option_values['diff_replace'])))
|
|
|
|
# prepare candidate configuration
|
|
candidate_obj = NetworkConfig(indent=3)
|
|
candidate_obj.load(candidate)
|
|
|
|
if running and diff_match != 'none' and diff_replace != 'config':
|
|
# running configuration
|
|
running_obj = NetworkConfig(indent=3, contents=running, ignore_lines=diff_ignore_lines)
|
|
configdiffobjs = candidate_obj.difference(running_obj, path=path, match=diff_match, replace=diff_replace)
|
|
|
|
else:
|
|
configdiffobjs = candidate_obj.items
|
|
|
|
diff['config_diff'] = dumps(configdiffobjs, 'commands') if configdiffobjs else ''
|
|
return diff
|
|
|
|
@property
|
|
def supports_sessions(self):
|
|
use_session = self.get_option('eos_use_sessions')
|
|
try:
|
|
use_session = int(use_session)
|
|
except ValueError:
|
|
pass
|
|
|
|
if not bool(use_session):
|
|
self._session_support = False
|
|
else:
|
|
if self._session_support:
|
|
return self._session_support
|
|
|
|
response = self.get('show configuration sessions')
|
|
self._session_support = 'error' not in response
|
|
|
|
return self._session_support
|
|
|
|
def get_device_info(self):
|
|
device_info = {}
|
|
|
|
device_info['network_os'] = 'eos'
|
|
reply = self.get('show version | json')
|
|
data = json.loads(reply)
|
|
|
|
device_info['network_os_version'] = data['version']
|
|
device_info['network_os_model'] = data['modelName']
|
|
|
|
reply = self.get('show hostname | json')
|
|
data = json.loads(reply)
|
|
|
|
device_info['network_os_hostname'] = data['hostname']
|
|
|
|
return device_info
|
|
|
|
def get_device_operations(self):
|
|
return {
|
|
'supports_diff_replace': True,
|
|
'supports_commit': True if self.supports_sessions else False,
|
|
'supports_rollback': False,
|
|
'supports_defaults': False,
|
|
'supports_onbox_diff': True if self.supports_sessions else False,
|
|
'supports_commit_comment': False,
|
|
'supports_multiline_delimiter': False,
|
|
'supports_diff_match': True,
|
|
'supports_diff_ignore_lines': True,
|
|
'supports_generate_diff': False if self.supports_sessions else True,
|
|
'supports_replace': True if self.supports_sessions else False
|
|
}
|
|
|
|
def get_option_values(self):
|
|
return {
|
|
'format': ['text', 'json'],
|
|
'diff_match': ['line', 'strict', 'exact', 'none'],
|
|
'diff_replace': ['line', 'block', 'config'],
|
|
'output': ['text', 'json']
|
|
}
|
|
|
|
def get_capabilities(self):
|
|
result = {}
|
|
rpc_list = ['commit', 'discard_changes', 'get_diff', 'run_commands', 'supports_sessions']
|
|
result['rpc'] = self.get_base_rpc() + rpc_list
|
|
result['device_info'] = self.get_device_info()
|
|
result['device_operations'] = self.get_device_operations()
|
|
result.update(self.get_option_values())
|
|
|
|
if isinstance(self._connection, NetworkCli):
|
|
result['network_api'] = 'cliconf'
|
|
elif isinstance(self._connection, HttpApi):
|
|
result['network_api'] = 'eapi'
|
|
else:
|
|
raise ValueError("Invalid connection type")
|
|
return json.dumps(result)
|
|
|
|
def _get_command_with_output(self, command, output):
|
|
options_values = self.get_option_values()
|
|
if output not in options_values['output']:
|
|
raise ValueError("'output' value %s is invalid. Valid values are %s" % (output, ','.join(options_values['output'])))
|
|
|
|
if output == 'json' and not command.endswith('| json'):
|
|
cmd = '%s | json' % command
|
|
else:
|
|
cmd = command
|
|
return cmd
|