#
# (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: Unknown (!UNKNOWN)
name: exos
short_description: Use exos cliconf to run command on Extreme EXOS platform
description:
- This exos plugin provides low level abstraction apis for
sending and receiving CLI commands from Extreme EXOS network devices.
'''
import re
import json
from ansible.errors import AnsibleConnectionFailure
from ansible.module_utils._text import to_bytes, to_text
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import to_list
from ansible.module_utils.connection import ConnectionError
from ansible.module_utils.common._collections_compat import Mapping
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.config import NetworkConfig, dumps
from ansible.plugins.cliconf import CliconfBase
class Cliconf(CliconfBase):
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=1)
candidate_obj.load(candidate)
if running and diff_match != 'none' and diff_replace != 'config':
# running configuration
running_obj = NetworkConfig(indent=1, 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
def get_device_info(self):
device_info = {}
device_info['network_os'] = 'exos'
reply = self.run_commands({'command': 'show switch detail', 'output': 'text'})
data = to_text(reply, errors='surrogate_or_strict').strip()
match = re.search(r'ExtremeXOS version (\S+)', data)
if match:
device_info['network_os_version'] = match.group(1)
match = re.search(r'System Type: +(\S+)', data)
if match:
device_info['network_os_model'] = match.group(1)
match = re.search(r'SysName: +(\S+)', data)
if match:
device_info['network_os_hostname'] = match.group(1)
return device_info
def get_default_flag(self):
# The flag to modify the command to collect configuration with defaults
return 'detail'
def get_config(self, source='running', flags=None, format='text'):
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': 'show configuration', 'startup': 'debug cfgmgr show configuration file'}
if source not in lookup:
raise ValueError("fetching configuration from %s is not supported" % source)
cmd = {'command': lookup[source], 'output': 'text'}
if source == 'startup':
reply = self.run_commands({'command': 'show switch', 'format': 'text'})
data = to_text(reply, errors='surrogate_or_strict').strip()
match = re.search(r'Config Selected: +(\S+)\.cfg', data, re.MULTILINE)
if match:
cmd['command'] += match.group(1)
else:
# No Startup(/Selected) Config
return {}
cmd['command'] += ' '.join(to_list(flags))
cmd['command'] = cmd['command'].strip()
return self.run_commands(cmd)[0]
def edit_config(self, candidate=None, commit=True, replace=None, diff=False, comment=None):
resp = {}
operations = self.get_device_operations()
self.check_edit_config_capability(operations, candidate, commit, replace, comment)
results = []
requests = []
if commit:
for line in to_list(candidate):
if not isinstance(line, Mapping):
line = {'command': line}
results.append(self.send_command(**line))
requests.append(line['command'])
else:
raise ValueError('check mode is not supported')
resp['request'] = requests
resp['response'] = results
return resp
def get(self, command, prompt=None, answer=None, sendonly=False, newline=True, output=None, check_all=False):
if output:
command = self._get_command_with_output(command, output)
return self.send_command(command=command, prompt=prompt, answer=answer, sendonly=sendonly, newline=newline, check_all=check_all)
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, 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 is True:
raise
out = getattr(e, 'err', e)
if out is not None:
try:
out = to_text(out, errors='surrogate_or_strict').strip()
except UnicodeError:
raise ConnectionError(message=u'Failed to decode output from %s: %s' % (cmd, to_text(out)))
if output and output == 'json':
try:
out = json.loads(out)
except ValueError:
raise ConnectionError('Response was not valid JSON, got {0}'.format(
to_text(out)
))
responses.append(out)
return responses
def get_device_operations(self):
return {
'supports_diff_replace': False, # identify if config should be merged or replaced is supported
'supports_commit': False, # identify if commit is supported by device or not
'supports_rollback': False, # identify if rollback is supported or not
'supports_defaults': True, # identify if fetching running config with default is supported
'supports_commit_comment': False, # identify if adding comment to commit is supported of not
'supports_onbox_diff': False, # identify if on box diff capability is supported or not
'supports_generate_diff': True, # identify if diff capability is supported within plugin
'supports_multiline_delimiter': False, # identify if multiline delimiter is supported within config
'supports_diff_match': True, # identify if match is supported
'supports_diff_ignore_lines': True, # identify if ignore line in diff is supported
'supports_config_replace': False, # identify if running config replace with candidate config is supported
'supports_admin': False, # identify if admin configure mode is supported or not
'supports_commit_label': False, # identify if commit label is supported or not
'supports_replace': False
}
def get_option_values(self):
return {
'format': ['text', 'json'],
'diff_match': ['line', 'strict', 'exact', 'none'],
'diff_replace': ['line', 'block'],
'output': ['text', 'json']
}
def get_capabilities(self):
result = super(Cliconf, self).get_capabilities()
result['rpc'] += ['run_commmands', 'get_default_flag', 'get_diff']
result['device_operations'] = self.get_device_operations()
result['device_info'] = self.get_device_info()
result.update(self.get_option_values())
return json.dumps(result)
def _get_command_with_output(self, command, output):
if output not in self.get_option_values().get('output'):
raise ValueError("'output' value is %s is invalid. Valid values are %s" % (output, ','.join(self.get_option_values().get('output'))))
if output == 'json' and not command.startswith('run script cli2json.py'):
cmd = 'run script cli2json.py %s' % command
else:
cmd = command
return cmd