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# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Copyright (c) 2015 Peter Sprygada, <psprygada@ansible.com>
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
import itertools
import re
from ansible.module_utils.network import NetworkModule, NetworkError
from ansible.module_utils.network import register_transport, to_list, get_exception
from ansible.module_utils.network import Command, NetCli
from ansible.module_utils.netcfg import NetworkConfig
from ansible.module_utils.shell import Shell, ShellError, HAS_PARAMIKO
DEFAULT_COMMENT = 'configured by vyos_config'
FILTERS = [
re.compile(r'set system login user \S+ authentication encrypted-password')
]
def argument_spec():
return dict(
running_config=dict(aliases=['config']),
comment=dict(default=DEFAULT_COMMENT),
save_config=dict(type='bool', aliases=['save'])
)
vyos_argument_spec = argument_spec()
def get_config(module):
contents = module.params['running_config']
if not contents:
contents = str(module.config.get_config()).split('\n')
module.params['config'] = contents
contents = '\n'.join(contents)
return NetworkConfig(contents=contents, device_os='junos')
def diff_config(candidate, config):
updates = set()
config = [str(c).replace("'", '') for c in str(config).split('\n')]
for line in str(candidate).split('\n'):
item = str(line).replace("'", '')
if not item.startswith('set') and not item.startswith('delete'):
raise ValueError('line must start with either `set` or `delete`')
elif item.startswith('set') and item not in config:
updates.add(line)
elif item.startswith('delete'):
if not config:
updates.add(line)
else:
item = re.sub(r'delete', 'set', item)
for entry in config:
if entry.startswith(item):
updates.add(line)
return list(updates)
def check_config(config, result):
result['filtered'] = list()
for regex in FILTERS:
for index, line in enumerate(list(config)):
if regex.search(line):
result['filtered'].append(line)
del config[index]
def load_candidate(module, candidate):
config = get_config(module)
updates = diff_config(candidate, config)
comment = module.params['comment']
save = module.params['save_config']
result = dict(changed=False)
if updates:
check_config(updates, result)
diff = module.config.load_config(updates)
if diff:
result['diff'] = dict(prepared=diff)
result['changed'] = True
if not module.check_mode:
module.config.commit_config(comment=comment)
if save:
module.config.save_config()
else:
module.config.abort_config()
# exit from config mode
module.cli('exit')
result['updates'] = updates
return result
def load_config(module, commands):
contents = '\n'.join(commands)
candidate = NetworkConfig(contents=contents, device_os='junos')
return load_candidate(module, candidate)
class Cli(NetCli):
CLI_PROMPTS_RE = [
re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
re.compile(r"\@[\w\-\.]+:\S+?[>#\$] ?$")
]
CLI_ERRORS_RE = [
re.compile(r"\n\s*Invalid command:"),
re.compile(r"\nCommit failed"),
re.compile(r"\n\s+Set failed"),
]
def connect(self, params, **kwargs):
super(Cli, self).connect(params, kickstart=False, **kwargs)
self.shell.send('set terminal length 0')
self._connected = True
### Cli methods ###
def run_commands(self, commands, **kwargs):
commands = to_list(commands)
return self.execute([str(c) for c in commands])
### Config methods ###
def configure(self, commands, commit=True, **kwargs):
"""Called by Config.__call__
"""
cmds = ['configure']
cmds.extend(to_list(commands))
response = self.execute(cmds)
if commit:
self.commit_config()
return response
def load_config(self, commands):
self.configure(commands, commit=False)
diff = None
if not self.execute('compare')[0].startswith('No changes'):
diff = self.execute(['show'])[0]
return diff
def get_config(self):
return self.execute(['show configuration commands'])[0]
def commit_config(self, confirm=0, comment=None):
if confirm > 0:
cmd = 'commit-confirm %s' % confirm
else:
cmd = 'commit'
if comment:
cmd += ' comment "%s"' % comment
self.execute([cmd])
def abort_config(self):
self.execute(['discard'])
def save_config(self):
self.execute(['save'])
Cli = register_transport('cli', default=True)(Cli)
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