#
# 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.
#
# (c) 2017 Red Hat, Inc.
#
# 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.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# 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 json
import os
import time
from ansible.module_utils._text import to_text
from ansible.module_utils.basic import env_fallback
from ansible.module_utils.connection import Connection, ConnectionError
from ansible.module_utils.network.common.config import NetworkConfig, dumps
from ansible.module_utils.network.common.utils import to_list, ComplexList
from ansible.module_utils.six import iteritems
from ansible.module_utils.urls import fetch_url
_DEVICE_CONNECTION = None
eos_provider_spec = {
'host': dict(),
'port': dict(type='int'),
'username': dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME'])),
'password': dict(fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD']), no_log=True),
'ssh_keyfile': dict(fallback=(env_fallback, ['ANSIBLE_NET_SSH_KEYFILE']), type='path'),
'authorize': dict(fallback=(env_fallback, ['ANSIBLE_NET_AUTHORIZE']), type='bool'),
'auth_pass': dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_AUTH_PASS'])),
'use_ssl': dict(default=True, type='bool'),
'use_proxy': dict(default=True, type='bool'),
'validate_certs': dict(default=True, type='bool'),
'timeout': dict(type='int'),
'transport': dict(default='cli', choices=['cli', 'eapi'])
}
eos_argument_spec = {
'provider': dict(type='dict', options=eos_provider_spec),
}
eos_top_spec = {
'host': dict(removed_in_version=2.9),
'port': dict(removed_in_version=2.9, type='int'),
'username': dict(removed_in_version=2.9),
'password': dict(removed_in_version=2.9, no_log=True),
'ssh_keyfile': dict(removed_in_version=2.9, type='path'),
'authorize': dict(fallback=(env_fallback, ['ANSIBLE_NET_AUTHORIZE']), type='bool'),
'auth_pass': dict(removed_in_version=2.9, no_log=True),
'use_ssl': dict(removed_in_version=2.9, type='bool'),
'validate_certs': dict(removed_in_version=2.9, type='bool'),
'timeout': dict(removed_in_version=2.9, type='int'),
'transport': dict(removed_in_version=2.9, choices=['cli', 'eapi'])
}
eos_argument_spec.update(eos_top_spec)
def get_provider_argspec():
return eos_provider_spec
def check_args(module, warnings):
pass
def load_params(module):
provider = module.params.get('provider') or dict()
for key, value in iteritems(provider):
if key in eos_argument_spec:
if module.params.get(key) is None and value is not None:
module.params[key] = value
def get_connection(module):
global _DEVICE_CONNECTION
if not _DEVICE_CONNECTION:
load_params(module)
if is_local_eapi(module):
conn = LocalEapi(module)
else:
connection_proxy = Connection(module._socket_path)
cap = json.loads(connection_proxy.get_capabilities())
if cap['network_api'] == 'cliconf':
conn = Cli(module)
elif cap['network_api'] == 'eapi':
conn = HttpApi(module)
_DEVICE_CONNECTION = conn
return _DEVICE_CONNECTION
class Cli:
def __init__(self, module):
self._module = module
self._device_configs = {}
self._session_support = None
self._connection = None
@property
def supports_sessions(self):
if self._session_support is None:
self._session_support = self._get_connection().supports_sessions()
return self._session_support
def _get_connection(self):
if self._connection:
return self._connection
self._connection = Connection(self._module._socket_path)
return self._connection
def get_config(self, flags=None):
"""Retrieves the current config from the device or cache
"""
flags = [] if flags is None else flags
cmd = 'show running-config '
cmd += ' '.join(flags)
cmd = cmd.strip()
try:
return self._device_configs[cmd]
except KeyError:
conn = self._get_connection()
try:
out = conn.get_config(flags=flags)
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
cfg = to_text(out, errors='surrogate_then_replace').strip()
self._device_configs[cmd] = cfg
return cfg
def run_commands(self, commands, check_rc=True):
"""Run list of commands on remote device and return results
"""
connection = self._get_connection()
try:
response = connection.run_commands(commands=commands, check_rc=check_rc)
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
return response
def load_config(self, commands, commit=False, replace=False):
"""Loads the config commands onto the remote device
"""
conn = self._get_connection()
try:
response = conn.edit_config(commands, commit, replace)
except ConnectionError as exc:
message = getattr(exc, 'err', to_text(exc))
if "check mode is not supported without configuration session" in message:
self._module.warn("EOS can not check config without config session")
response = {'changed': True}
else:
self._module.fail_json(msg="%s" % message, data=to_text(message, errors='surrogate_then_replace'))
return response
def get_diff(self, candidate=None, running=None, diff_match='line', diff_ignore_lines=None, path=None, diff_replace='line'):
conn = self._get_connection()
try:
diff = conn.get_diff(candidate=candidate, running=running, diff_match=diff_match, diff_ignore_lines=diff_ignore_lines, path=path,
diff_replace=diff_replace)
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
return diff
def get_capabilities(self):
"""Returns platform info of the remove device
"""
if hasattr(self._module, '_capabilities'):
return self._module._capabilities
connection = self._get_connection()
try:
capabilities = connection.get_capabilities()
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
self._module._capabilities = json.loads(capabilities)
return self._module._capabilities
class LocalEapi:
def __init__(self, module):
self._module = module
self._enable = None
self._session_support = None
self._device_configs = {}
host = module.params['provider']['host']
port = module.params['provider']['port']
self._module.params['url_username'] = self._module.params['username']
self._module.params['url_password'] = self._module.params['password']
if module.params['provider']['use_ssl']:
proto = 'https'
else:
proto = 'http'
module.params['validate_certs'] = module.params['provider']['validate_certs']
self._url = '%s://%s:%s/command-api' % (proto, host, port)
if module.params['auth_pass']:
self._enable = {'cmd': 'enable', 'input': module.params['auth_pass']}
else:
self._enable = 'enable'
@property
def supports_sessions(self):
if self._session_support is None:
response = self.send_request(['show configuration sessions'])
self._session_support = 'error' not in response
return self._session_support
def _request_builder(self, commands, output, reqid=None):
params = dict(version=1, cmds=commands, format=output)
return dict(jsonrpc='2.0', id=reqid, method='runCmds', params=params)
def send_request(self, commands, output='text'):
commands = to_list(commands)
if self._enable:
commands.insert(0, self._enable)
body = self._request_builder(commands, output)
data = self._module.jsonify(body)
headers = {'Content-Type': 'application/json-rpc'}
timeout = self._module.params['timeout']
use_proxy = self._module.params['provider']['use_proxy']
response, headers = fetch_url(
self._module, self._url, data=data, headers=headers,
method='POST', timeout=timeout, use_proxy=use_proxy
)
if headers['status'] != 200:
self._module.fail_json(**headers)
try:
data = response.read()
response = self._module.from_json(to_text(data, errors='surrogate_then_replace'))
except ValueError:
self._module.fail_json(msg='unable to load response from device', data=data)
if self._enable and 'result' in response:
response['result'].pop(0)
return response
def run_commands(self, commands, check_rc=True):
"""Runs list of commands on remote device and returns results
"""
output = None
queue = list()
responses = list()
def _send(commands, output):
response = self.send_request(commands, output=output)
if 'error' in response:
err = response['error']
self._module.fail_json(msg=err['message'], code=err['code'])
return response['result']
for item in to_list(commands):
if is_json(item['command']):
item['command'] = str(item['command']).replace('| json', '')
item['output'] = 'json'
if output and output != item['output']:
responses.extend(_send(queue, output))
queue = list()
output = item['output'] or 'json'
queue.append(item['command'])
if queue:
responses.extend(_send(queue, output))
for index, item in enumerate(commands):
try:
responses[index] = responses[index]['output'].strip()
except KeyError:
pass
return responses
def get_config(self, flags=None):
"""Retrieves the current config from the device or cache
"""
flags = [] if flags is None else flags
cmd = 'show running-config '
cmd += ' '.join(flags)
cmd = cmd.strip()
try:
return self._device_configs[cmd]
except KeyError:
out = self.send_request(cmd)
cfg = str(out['result'][0]['output']).strip()
self._device_configs[cmd] = cfg
return cfg
def configure(self, commands):
"""Sends the ordered set of commands to the device
"""
cmds = ['configure terminal']
cmds.extend(commands)
responses = self.send_request(commands)
if 'error' in responses:
err = responses['error']
self._module.fail_json(msg=err['message'], code=err['code'])
return responses[1:]
def load_config(self, config, commit=False, replace=False):
"""Loads the configuration onto the remote devices
If the device doesn't support configuration sessions, this will
fallback to using configure() to load the commands. If that happens,
there will be no returned diff or session values
"""
use_session = os.getenv('ANSIBLE_EOS_USE_SESSIONS', True)
try:
use_session = int(use_session)
except ValueError:
pass
if not all((bool(use_session), self.supports_sessions)):
if commit:
return self.configure(config)
else:
self._module.warn("EOS can not check config without config session")
result = {'changed': True}
return result
session = 'ansible_%s' % int(time.time())
result = {'session': session}
commands = ['configure session %s' % session]
if replace:
commands.append('rollback clean-config')
commands.extend(config)
response = self.send_request(commands)
if 'error' in response:
commands = ['configure session %s' % session, 'abort']
self.send_request(commands)
err = response['error']
error_text = []
for data in err['data']:
error_text.extend(data.get('errors', []))
error_text = '\n'.join(error_text) or err['message']
self._module.fail_json(msg=error_text, code=err['code'])
commands = ['configure session %s' % session, 'show session-config diffs']
if commit:
commands.append('commit')
else:
commands.append('abort')
response = self.send_request(commands, output='text')
diff = response['result'][1]['output']
if len(diff) > 0:
result['diff'] = diff
return result
# get_diff added here to support connection=local and transport=eapi scenario
def get_diff(self, candidate, running=None, diff_match='line', diff_ignore_lines=None, path=None, diff_replace='line'):
diff = {}
# 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
configdiff = dumps(configdiffobjs, 'commands') if configdiffobjs else ''
diff['config_diff'] = configdiff if configdiffobjs else {}
return diff
class HttpApi:
def __init__(self, module):
self._module = module
self._device_configs = {}
self._session_support = None
self._connection_obj = None
@property
def _connection(self):
if not self._connection_obj:
self._connection_obj = Connection(self._module._socket_path)
return self._connection_obj
@property
def supports_sessions(self):
if self._session_support is None:
self._session_support = self._connection.supports_sessions()
return self._session_support
def run_commands(self, commands, check_rc=True):
"""Runs list of commands on remote device and returns results
"""
output = None
queue = list()
responses = list()
def run_queue(queue, output):
try:
response = to_list(self._connection.send_request(queue, output=output))
except ConnectionError as exc:
if check_rc:
raise
return to_list(to_text(exc))
if output == 'json':
response = [json.loads(item) for item in response]
return response
for item in to_list(commands):
cmd_output = 'text'
if isinstance(item, dict):
command = item['command']
if 'output' in item:
cmd_output = item['output']
else:
command = item
# Emulate '| json' from CLI
if is_json(command):
command = command.rsplit('|', 1)[0]
cmd_output = 'json'
if output and output != cmd_output:
responses.extend(run_queue(queue, output))
queue = list()
output = cmd_output
queue.append(command)
if queue:
responses.extend(run_queue(queue, output))
return responses
def get_config(self, flags=None):
"""Retrieves the current config from the device or cache
"""
flags = [] if flags is None else flags
cmd = 'show running-config '
cmd += ' '.join(flags)
cmd = cmd.strip()
try:
return self._device_configs[cmd]
except KeyError:
try:
out = self._connection.send_request(cmd)
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
cfg = to_text(out).strip()
self._device_configs[cmd] = cfg
return cfg
def get_diff(self, candidate=None, running=None, diff_match='line', diff_ignore_lines=None, path=None, diff_replace='line'):
diff = {}
# 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
def load_config(self, config, commit=False, replace=False):
"""Loads the configuration onto the remote devices
If the device doesn't support configuration sessions, this will
fallback to using configure() to load the commands. If that happens,
there will be no returned diff or session values
"""
return self.edit_config(config, commit, replace)
def edit_config(self, config, commit=False, replace=False):
"""Loads the configuration onto the remote devices
If the device doesn't support configuration sessions, this will
fallback to using configure() to load the commands. If that happens,
there will be no returned diff or session values
"""
session = 'ansible_%s' % int(time.time())
result = {'session': session}
banner_cmd = None
banner_input = []
commands = ['configure session %s' % session]
if replace:
commands.append('rollback clean-config')
for command in config:
if command.startswith('banner'):
banner_cmd = command
banner_input = []
elif banner_cmd:
if command == 'EOF':
command = {'cmd': banner_cmd, 'input': '\n'.join(banner_input)}
banner_cmd = None
commands.append(command)
else:
banner_input.append(command)
continue
else:
commands.append(command)
try:
response = self._connection.send_request(commands)
except Exception:
commands = ['configure session %s' % session, 'abort']
response = self._connection.send_request(commands, output='text')
raise
commands = ['configure session %s' % session, 'show session-config diffs']
if commit:
commands.append('commit')
else:
commands.append('abort')
response = self._connection.send_request(commands, output='text')
diff = response[1].strip()
if diff:
result['diff'] = diff
return result
def get_capabilities(self):
"""Returns platform info of the remove device
"""
try:
capabilities = self._connection.get_capabilities()
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
return json.loads(capabilities)
def is_json(cmd):
return to_text(cmd, errors='surrogate_then_replace').endswith('| json')
def is_local_eapi(module):
transports = []
transports.append(module.params.get('transport', ""))
provider = module.params.get('provider')
if provider:
transports.append(provider.get('transport', ""))
return 'eapi' in transports
def to_command(module, commands):
if is_local_eapi(module):
default_output = 'json'
else:
default_output = 'text'
transform = ComplexList(dict(
command=dict(key=True),
output=dict(default=default_output),
prompt=dict(type='list'),
answer=dict(type='list'),
newline=dict(type='bool', default=True),
sendonly=dict(type='bool', default=False),
check_all=dict(type='bool', default=False),
), module)
return transform(to_list(commands))
def get_config(module, flags=None):
flags = None if flags is None else flags
conn = get_connection(module)
return conn.get_config(flags)
def run_commands(module, commands, check_rc=True):
conn = get_connection(module)
return conn.run_commands(to_command(module, commands), check_rc=check_rc)
def load_config(module, config, commit=False, replace=False):
conn = get_connection(module)
return conn.load_config(config, commit, replace)
def get_diff(self, candidate=None, running=None, diff_match='line', diff_ignore_lines=None, path=None, diff_replace='line'):
conn = self.get_connection()
return conn.get_diff(candidate=candidate, running=running, diff_match=diff_match, diff_ignore_lines=diff_ignore_lines, path=path, diff_replace=diff_replace)
def get_capabilities(module):
conn = get_connection(module)
return conn.get_capabilities()
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