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#
# (c) 2015 Peter Sprygada, <psprygada@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/>.
#
import re
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.shell import Shell, HAS_PARAMIKO
from ansible.module_utils.netcfg import parse
NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
NET_COMMON_ARGS = dict(
host=dict(required=True),
port=dict(default=22, type='int'),
username=dict(required=True),
password=dict(no_log=True),
provider=dict()
)
CLI_PROMPTS_RE = [
re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
]
CLI_ERRORS_RE = [
re.compile(r"% ?Error"),
re.compile(r"% ?Bad secret"),
re.compile(r"invalid input", re.I),
re.compile(r"(?:incomplete|ambiguous) command", re.I),
re.compile(r"connection timed out", re.I),
re.compile(r"[^\r\n]+ not found", re.I),
re.compile(r"'[^']' +returned error code: ?\d+"),
]
def to_list(val):
if isinstance(val, (list, tuple)):
return list(val)
elif val is not None:
return [val]
else:
return list()
class Cli(object):
def __init__(self, module):
self.module = module
self.shell = None
def connect(self, **kwargs):
host = self.module.params['host']
port = self.module.params['port'] or 22
username = self.module.params['username']
password = self.module.params['password']
try:
self.shell = Shell(kickstart=False, prompts_re=CLI_PROMPTS_RE,
errors_re=CLI_ERRORS_RE)
self.shell.open(host, port=port, username=username, password=password)
except Exception, exc:
msg = 'failed to connecto to %s:%s - %s' % (host, port, str(exc))
self.module.fail_json(msg=msg)
def send(self, commands):
return self.shell.send(commands)
class NetworkModule(AnsibleModule):
def __init__(self, *args, **kwargs):
super(NetworkModule, self).__init__(*args, **kwargs)
self.connection = None
self._config = None
self._connected = False
@property
def connected(self):
return self._connected
@property
def config(self):
if not self._config:
self._config = self.get_config()
return self._config
def _load_params(self):
super(NetworkModule, self)._load_params()
provider = self.params.get('provider') or dict()
for key, value in provider.items():
if key in NET_COMMON_ARGS.keys():
if self.params.get(key) is None and value is not None:
self.params[key] = value
def connect(self):
try:
self.connection = Cli(self)
self.connection.connect()
self.connection.send('terminal length 0')
self._connected = True
except Exception, exc:
self.fail_json(msg=exc.message)
def configure(self, commands):
commands = to_list(commands)
commands.insert(0, 'configure terminal')
commands.append('commit')
responses = self.execute(commands)
responses.pop(0)
responses.pop()
return responses
def execute(self, commands, **kwargs):
try:
if not self.connected:
self.connect()
return self.connection.send(commands)
except ShellError, exc:
self.fail_json(msg=exc.message, command=exc.command)
def disconnect(self):
self.connection.close()
self._connected = False
def parse_config(self, cfg):
return parse(cfg, indent=1)
def get_config(self):
return self.execute('show running-config')[0]
def get_module(**kwargs):
"""Return instance of NetworkModule
"""
argument_spec = NET_COMMON_ARGS.copy()
if kwargs.get('argument_spec'):
argument_spec.update(kwargs['argument_spec'])
kwargs['argument_spec'] = argument_spec
module = NetworkModule(**kwargs)
if not HAS_PARAMIKO:
module.fail_json(msg='paramiko is required but does not appear to be installed')
return module
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