ansible-later/env_27/lib/python2.7/site-packages/ansible/module_utils/network/nxos/nxos.py
2019-04-11 13:00:36 +02:00

590 lines
20 KiB
Python

#
# 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.
#
# 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 collections
import json
import re
from ansible.module_utils._text import to_text
from ansible.module_utils.basic import env_fallback, return_values
from ansible.module_utils.network.common.utils import to_list, ComplexList
from ansible.module_utils.connection import Connection, ConnectionError
from ansible.module_utils.network.common.config import NetworkConfig, dumps
from ansible.module_utils.six import iteritems, string_types
from ansible.module_utils.urls import fetch_url
_DEVICE_CONNECTION = None
nxos_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'])),
'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(type='bool'),
'use_proxy': dict(default=True, type='bool'),
'validate_certs': dict(type='bool'),
'timeout': dict(type='int'),
'transport': dict(default='cli', choices=['cli', 'nxapi'])
}
nxos_argument_spec = {
'provider': dict(type='dict', options=nxos_provider_spec),
}
nxos_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),
'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', 'nxapi'])
}
nxos_argument_spec.update(nxos_top_spec)
def get_provider_argspec():
return nxos_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 nxos_provider_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_nxapi(module):
conn = Nxapi(module)
else:
conn = Cli(module)
_DEVICE_CONNECTION = conn
return _DEVICE_CONNECTION
class Cli:
def __init__(self, module):
self._module = module
self._device_configs = {}
self._connection = None
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:
connection = self._get_connection()
try:
out = connection.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:
out = connection.run_commands(commands, check_rc)
if check_rc == 'retry_json':
capabilities = self.get_capabilities()
network_api = capabilities.get('network_api')
if network_api == 'cliconf' and out:
for index, resp in enumerate(out):
if ('Invalid command at' in resp or 'Ambiguous command at' in resp) and 'json' in resp:
if commands[index]['output'] == 'json':
commands[index]['output'] = 'text'
out = connection.run_commands(commands, check_rc)
return out
except ConnectionError as exc:
self._module.fail_json(msg=to_text(exc))
def load_config(self, config, return_error=False, opts=None, replace=None):
"""Sends configuration commands to the remote device
"""
if opts is None:
opts = {}
connection = self._get_connection()
responses = []
try:
resp = connection.edit_config(config, replace=replace)
if isinstance(resp, collections.Mapping):
resp = resp['response']
except ConnectionError as e:
code = getattr(e, 'code', 1)
message = getattr(e, 'err', e)
err = to_text(message, errors='surrogate_then_replace')
if opts.get('ignore_timeout') and code:
responses.append(err)
return responses
elif code and 'no graceful-restart' in err:
if 'ISSU/HA will be affected if Graceful Restart is disabled' in err:
msg = ['']
responses.extend(msg)
return responses
else:
self._module.fail_json(msg=err)
elif code:
self._module.fail_json(msg=err)
responses.extend(resp)
return responses
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:
response = 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 response
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 Nxapi:
OUTPUT_TO_COMMAND_TYPE = {
'text': 'cli_show_ascii',
'json': 'cli_show',
'bash': 'bash',
'config': 'cli_conf'
}
def __init__(self, module):
self._module = module
self._nxapi_auth = None
self._device_configs = {}
self._module.params['url_username'] = self._module.params['username']
self._module.params['url_password'] = self._module.params['password']
host = self._module.params['host']
port = self._module.params['port']
if self._module.params['use_ssl']:
proto = 'https'
port = port or 443
else:
proto = 'http'
port = port or 80
self._url = '%s://%s:%s/ins' % (proto, host, port)
def _error(self, msg, **kwargs):
self._nxapi_auth = None
if 'url' not in kwargs:
kwargs['url'] = self._url
self._module.fail_json(msg=msg, **kwargs)
def _request_builder(self, commands, output, version='1.0', chunk='0', sid=None):
"""Encodes a NXAPI JSON request message
"""
try:
command_type = self.OUTPUT_TO_COMMAND_TYPE[output]
except KeyError:
msg = 'invalid format, received %s, expected one of %s' % \
(output, ','.join(self.OUTPUT_TO_COMMAND_TYPE.keys()))
self._error(msg=msg)
if isinstance(commands, (list, set, tuple)):
commands = ' ;'.join(commands)
msg = {
'version': version,
'type': command_type,
'chunk': chunk,
'sid': sid,
'input': commands,
'output_format': 'json'
}
return dict(ins_api=msg)
def send_request(self, commands, output='text', check_status=True,
return_error=False, opts=None):
# only 10 show commands can be encoded in each request
# messages sent to the remote device
if opts is None:
opts = {}
if output != 'config':
commands = collections.deque(to_list(commands))
stack = list()
requests = list()
while commands:
stack.append(commands.popleft())
if len(stack) == 10:
body = self._request_builder(stack, output)
data = self._module.jsonify(body)
requests.append(data)
stack = list()
if stack:
body = self._request_builder(stack, output)
data = self._module.jsonify(body)
requests.append(data)
else:
body = self._request_builder(commands, 'config')
requests = [self._module.jsonify(body)]
headers = {'Content-Type': 'application/json'}
result = list()
timeout = self._module.params['timeout']
use_proxy = self._module.params['provider']['use_proxy']
for req in requests:
if self._nxapi_auth:
headers['Cookie'] = self._nxapi_auth
response, headers = fetch_url(
self._module, self._url, data=req, headers=headers,
timeout=timeout, method='POST', use_proxy=use_proxy
)
self._nxapi_auth = headers.get('set-cookie')
if opts.get('ignore_timeout') and re.search(r'(-1|5\d\d)', str(headers['status'])):
result.append(headers['status'])
return result
elif headers['status'] != 200:
self._error(**headers)
try:
response = self._module.from_json(response.read())
except ValueError:
self._module.fail_json(msg='unable to parse response')
if response['ins_api'].get('outputs'):
output = response['ins_api']['outputs']['output']
for item in to_list(output):
if check_status is True and item['code'] != '200':
if return_error:
result.append(item)
else:
self._error(output=output, **item)
elif 'body' in item:
result.append(item['body'])
# else:
# error in command but since check_status is disabled
# silently drop it.
# result.append(item['msg'])
return result
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[0]).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
"""
output = None
queue = list()
responses = list()
def _send(commands, output):
return self.send_request(commands, output, check_status=check_rc)
for item in to_list(commands):
if is_json(item['command']):
item['command'] = str(item['command']).rsplit('|', 1)[0]
item['output'] = 'json'
if all((output == 'json', item['output'] == 'text')) or all((output == 'text', item['output'] == 'json')):
responses.extend(_send(queue, output))
queue = list()
output = item['output'] or 'json'
queue.append(item['command'])
if queue:
responses.extend(_send(queue, output))
return responses
def load_config(self, commands, return_error=False, opts=None, replace=None):
"""Sends the ordered set of commands to the device
"""
if replace:
device_info = self.get_device_info()
if '9K' not in device_info.get('network_os_platform', ''):
self._module.fail_json(msg='replace is supported only on Nexus 9K devices')
commands = 'config replace {0}'.format(replace)
commands = to_list(commands)
msg = self.send_request(commands, output='config', check_status=True,
return_error=return_error, opts=opts)
if return_error:
return msg
else:
return []
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=2)
candidate_obj.load(candidate)
if running and diff_match != 'none' and diff_replace != 'config':
# running configuration
running_obj = NetworkConfig(indent=2, 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'] = 'nxos'
reply = self.run_commands({'command': 'show version', 'output': 'json'})
data = reply[0]
platform_reply = self.run_commands({'command': 'show inventory', 'output': 'json'})
platform_info = platform_reply[0]
device_info['network_os_version'] = data.get('sys_ver_str') or data.get('kickstart_ver_str')
device_info['network_os_model'] = data['chassis_id']
device_info['network_os_hostname'] = data['host_name']
device_info['network_os_image'] = data.get('isan_file_name') or data.get('kick_file_name')
if platform_info:
inventory_table = platform_info['TABLE_inv']['ROW_inv']
for info in inventory_table:
if 'Chassis' in info['name']:
device_info['network_os_platform'] = info['productid']
return device_info
def get_capabilities(self):
result = {}
result['device_info'] = self.get_device_info()
result['network_api'] = 'nxapi'
return result
def is_json(cmd):
return str(cmd).endswith('| json')
def is_text(cmd):
return not is_json(cmd)
def is_nxapi(module):
transport = module.params['transport']
provider_transport = (module.params['provider'] or {}).get('transport')
return 'nxapi' in (transport, provider_transport)
def to_command(module, commands):
if is_nxapi(module):
default_output = 'json'
else:
default_output = 'text'
transform = ComplexList(dict(
command=dict(key=True),
output=dict(default=default_output),
prompt=dict(),
answer=dict()
), module)
commands = transform(to_list(commands))
for item in commands:
if is_json(item['command']):
item['output'] = 'json'
return commands
def get_config(module, flags=None):
flags = [] if flags is None else flags
conn = get_connection(module)
return conn.get_config(flags=flags)
def run_commands(module, commands, check_rc=True):
conn = get_connection(module)
return conn.run_commands(to_command(module, commands), check_rc)
def load_config(module, config, return_error=False, opts=None, replace=None):
conn = get_connection(module)
return conn.load_config(config, return_error, opts, replace=replace)
def get_capabilities(module):
conn = get_connection(module)
return conn.get_capabilities()
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 normalize_interface(name):
"""Return the normalized interface name
"""
if not name:
return
def _get_number(name):
digits = ''
for char in name:
if char.isdigit() or char in '/.':
digits += char
return digits
if name.lower().startswith('et'):
if_type = 'Ethernet'
elif name.lower().startswith('vl'):
if_type = 'Vlan'
elif name.lower().startswith('lo'):
if_type = 'loopback'
elif name.lower().startswith('po'):
if_type = 'port-channel'
elif name.lower().startswith('nv'):
if_type = 'nve'
else:
if_type = None
number_list = name.split(' ')
if len(number_list) == 2:
number = number_list[-1].strip()
else:
number = _get_number(name)
if if_type:
proper_interface = if_type + number
else:
proper_interface = name
return proper_interface
def get_interface_type(interface):
"""Gets the type of interface
"""
if interface.upper().startswith('ET'):
return 'ethernet'
elif interface.upper().startswith('VL'):
return 'svi'
elif interface.upper().startswith('LO'):
return 'loopback'
elif interface.upper().startswith('MG'):
return 'management'
elif interface.upper().startswith('MA'):
return 'management'
elif interface.upper().startswith('PO'):
return 'portchannel'
elif interface.upper().startswith('NV'):
return 'nve'
else:
return 'unknown'