From 40e600e9019626f8d8d6bf4c107651fce13242b5 Mon Sep 17 00:00:00 2001 From: GGabriele Date: Fri, 2 Sep 2016 18:31:49 +0200 Subject: [PATCH] Adding nxos_evpn_vni --- .../modules/network/nxos/nxos_evpn_vni.py | 1018 +++++++++++++++++ 1 file changed, 1018 insertions(+) create mode 100644 lib/ansible/modules/network/nxos/nxos_evpn_vni.py diff --git a/lib/ansible/modules/network/nxos/nxos_evpn_vni.py b/lib/ansible/modules/network/nxos/nxos_evpn_vni.py new file mode 100644 index 0000000000..13cc756e04 --- /dev/null +++ b/lib/ansible/modules/network/nxos/nxos_evpn_vni.py @@ -0,0 +1,1018 @@ +#!/usr/bin/python +# +# 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 . +# + +DOCUMENTATION = ''' +--- +module: nxos_evpn_vni +version_added: "2.2" +short_description: Manages Cisco EVPN VXLAN Network Identifier (VNI) +description: + - Manages Cisco Ethernet Virtual Private Network (EVPN) VXLAN Network + Identifier (VNI) configurations of a Nexus device. +author: Gabriele Gerbino (@GGabriele) +extends_documentation_fragment: nxos +notes: + - default, where supported, restores params default value + - RD override is not permitted. You should set it to the defalt values + first and then reconfigure it. + - route_target_both, route_target_import and route_target_export valid + values are a list of extended communities, (i.e. ['1.2.3.4:5', '33:55']) + or the keywords 'auto' or 'default'. + - The route_target_both property is discouraged due to the inconsistent + behavior of the property across Nexus platforms and image versions. + For this reason it is recommended to use explicit 'route_target_export' + and 'route_target_import' properties instead of route_target_both. + - RD valid values are a String in one of the route-distinguisher formats, + the keyword 'auto', or the keyword 'default'. +options: + vni: + description: + - The EVPN VXLAN Network Identifier. + required: true + default: null + route_distinguisher: + description: + - The VPN Route Distinguisher (RD). The RD is combined with + the IPv4 or IPv6 prefix learned by the PE router to create a + globally unique address. + required: true + default: null + route_target_both: + description: + - Enables/Disables route-target settings for both import and + export target communities using a single property. + required: false + default: null + route_target_import: + description: + - Sets the route-target 'import' extended communities. + required: false + default: null + route_target_export: + description: + - Sets the route-target 'import' extended communities. + required: false + default: null + state: + description: + - Determines whether the config should be present or not on the device. + required: false + default: present + choices: ['present','absent'] + m_facts: + description: + - Used to print module facts + required: false + default: false + choices: ['true','false'] +''' +EXAMPLES = ''' +- nxos_evpn_vni: + vni: 6000 + route_distinguisher: "60:10" + route_target_import: + - "5000:10" + - "4100:100" + route_target_export: auto + route_target_both: default + username: "{{ un }}" + password: "{{ pwd }}" + host: "{{ inventory_hostname }}" +''' + +RETURN = ''' +proposed: + description: k/v pairs of parameters passed into module + returned: always + type: dict + sample: {"route_target_import": ["5000:10", "4100:100", + "5001:10"],"vni": "6000"} +existing: + description: k/v pairs of existing EVPN VNI configuration + type: dict + sample: {"route_distinguisher": "70:10", "route_target_both": [], + "route_target_export": [], "route_target_import": [ + "4100:100", "5000:10"], "vni": "6000"} +end_state: + description: k/v pairs of EVPN VNI configuration after module execution + returned: always + type: dict + sample: {"route_distinguisher": "70:10", "route_target_both": [], + "route_target_export": [], "route_target_import": [ + "4100:100", "5000:10", "5001:10"], "vni": "6000"} +updates: + description: commands sent to the device + returned: always + type: list + sample: ["evpn", "vni 6000 l2", "route-target import 5001:10"] +changed: + description: check to see if a change was made on the device + returned: always + type: boolean + sample: true +''' + +# COMMON CODE FOR MIGRATION + +import re +import time +import collections +import itertools +import shlex + +from ansible.module_utils.basic import AnsibleModule, env_fallback, get_exception +from ansible.module_utils.basic import BOOLEANS_TRUE, BOOLEANS_FALSE +from ansible.module_utils.shell import Shell, ShellError, HAS_PARAMIKO +from ansible.module_utils.netcfg import parse +from ansible.module_utils.urls import fetch_url + + +DEFAULT_COMMENT_TOKENS = ['#', '!'] + +class ConfigLine(object): + + def __init__(self, text): + self.text = text + self.children = list() + self.parents = list() + self.raw = None + + @property + def line(self): + line = ['set'] + line.extend([p.text for p in self.parents]) + line.append(self.text) + return ' '.join(line) + + def __str__(self): + return self.raw + + def __eq__(self, other): + if self.text == other.text: + return self.parents == other.parents + + def __ne__(self, other): + return not self.__eq__(other) + +def ignore_line(text, tokens=None): + for item in (tokens or DEFAULT_COMMENT_TOKENS): + if text.startswith(item): + return True + +def get_next(iterable): + item, next_item = itertools.tee(iterable, 2) + next_item = itertools.islice(next_item, 1, None) + return itertools.izip_longest(item, next_item) + +def parse(lines, indent, comment_tokens=None): + toplevel = re.compile(r'\S') + childline = re.compile(r'^\s*(.+)$') + + ancestors = list() + config = list() + + for line in str(lines).split('\n'): + text = str(re.sub(r'([{};])', '', line)).strip() + + cfg = ConfigLine(text) + cfg.raw = line + + if not text or ignore_line(text, comment_tokens): + continue + + # handle top level commands + if toplevel.match(line): + ancestors = [cfg] + + # handle sub level commands + else: + match = childline.match(line) + line_indent = match.start(1) + level = int(line_indent / indent) + parent_level = level - 1 + + cfg.parents = ancestors[:level] + + if level > len(ancestors): + config.append(cfg) + continue + + for i in range(level, len(ancestors)): + ancestors.pop() + + ancestors.append(cfg) + ancestors[parent_level].children.append(cfg) + + config.append(cfg) + + return config + + +class CustomNetworkConfig(object): + + def __init__(self, indent=None, contents=None, device_os=None): + self.indent = indent or 1 + self._config = list() + self._device_os = device_os + + if contents: + self.load(contents) + + @property + def items(self): + return self._config + + @property + def lines(self): + lines = list() + for item, next_item in get_next(self.items): + if next_item is None: + lines.append(item.line) + elif not next_item.line.startswith(item.line): + lines.append(item.line) + return lines + + def __str__(self): + text = '' + for item in self.items: + if not item.parents: + expand = self.get_section(item.text) + text += '%s\n' % self.get_section(item.text) + return str(text).strip() + + def load(self, contents): + self._config = parse(contents, indent=self.indent) + + def load_from_file(self, filename): + self.load(open(filename).read()) + + def get(self, path): + if isinstance(path, basestring): + path = [path] + for item in self._config: + if item.text == path[-1]: + parents = [p.text for p in item.parents] + if parents == path[:-1]: + return item + + def search(self, regexp, path=None): + regex = re.compile(r'^%s' % regexp, re.M) + + if path: + parent = self.get(path) + if not parent or not parent.children: + return + children = [c.text for c in parent.children] + data = '\n'.join(children) + else: + data = str(self) + + match = regex.search(data) + if match: + if match.groups(): + values = match.groupdict().values() + groups = list(set(match.groups()).difference(values)) + return (groups, match.groupdict()) + else: + return match.group() + + def findall(self, regexp): + regexp = r'%s' % regexp + return re.findall(regexp, str(self)) + + def expand(self, obj, items): + block = [item.raw for item in obj.parents] + block.append(obj.raw) + + current_level = items + for b in block: + if b not in current_level: + current_level[b] = collections.OrderedDict() + current_level = current_level[b] + for c in obj.children: + if c.raw not in current_level: + current_level[c.raw] = collections.OrderedDict() + + def to_lines(self, section): + lines = list() + for entry in section[1:]: + line = ['set'] + line.extend([p.text for p in entry.parents]) + line.append(entry.text) + lines.append(' '.join(line)) + return lines + + def to_block(self, section): + return '\n'.join([item.raw for item in section]) + + def get_section(self, path): + try: + section = self.get_section_objects(path) + if self._device_os == 'junos': + return self.to_lines(section) + return self.to_block(section) + except ValueError: + return list() + + def get_section_objects(self, path): + if not isinstance(path, list): + path = [path] + obj = self.get_object(path) + if not obj: + raise ValueError('path does not exist in config') + return self.expand_section(obj) + + def expand_section(self, configobj, S=None): + if S is None: + S = list() + S.append(configobj) + for child in configobj.children: + if child in S: + continue + self.expand_section(child, S) + return S + + def flatten(self, data, obj=None): + if obj is None: + obj = list() + for k, v in data.items(): + obj.append(k) + self.flatten(v, obj) + return obj + + def get_object(self, path): + for item in self.items: + if item.text == path[-1]: + parents = [p.text for p in item.parents] + if parents == path[:-1]: + return item + + def get_children(self, path): + obj = self.get_object(path) + if obj: + return obj.children + + def difference(self, other, path=None, match='line', replace='line'): + updates = list() + + config = self.items + if path: + config = self.get_children(path) or list() + + if match == 'line': + for item in config: + if item not in other.items: + updates.append(item) + + elif match == 'strict': + if path: + current = other.get_children(path) or list() + else: + current = other.items + + for index, item in enumerate(config): + try: + if item != current[index]: + updates.append(item) + except IndexError: + updates.append(item) + + elif match == 'exact': + if path: + current = other.get_children(path) or list() + else: + current = other.items + + if len(current) != len(config): + updates.extend(config) + else: + for ours, theirs in itertools.izip(config, current): + if ours != theirs: + updates.extend(config) + break + + if self._device_os == 'junos': + return updates + + diffs = collections.OrderedDict() + for update in updates: + if replace == 'block' and update.parents: + update = update.parents[-1] + self.expand(update, diffs) + + return self.flatten(diffs) + + def replace(self, replace, text=None, regex=None, parents=None, + add_if_missing=False, ignore_whitespace=False): + match = None + + parents = parents or list() + if text is None and regex is None: + raise ValueError('missing required arguments') + + if not regex: + regex = ['^%s$' % text] + + patterns = [re.compile(r, re.I) for r in to_list(regex)] + + for item in self.items: + for regexp in patterns: + if ignore_whitespace is True: + string = item.text + else: + string = item.raw + if regexp.search(item.text): + if item.text != replace: + if parents == [p.text for p in item.parents]: + match = item + break + + if match: + match.text = replace + indent = len(match.raw) - len(match.raw.lstrip()) + match.raw = replace.rjust(len(replace) + indent) + + elif add_if_missing: + self.add(replace, parents=parents) + + + def add(self, lines, parents=None): + """Adds one or lines of configuration + """ + + ancestors = list() + offset = 0 + obj = None + + ## global config command + if not parents: + for line in to_list(lines): + item = ConfigLine(line) + item.raw = line + if item not in self.items: + self.items.append(item) + + else: + for index, p in enumerate(parents): + try: + i = index + 1 + obj = self.get_section_objects(parents[:i])[0] + ancestors.append(obj) + + except ValueError: + # add parent to config + offset = index * self.indent + obj = ConfigLine(p) + obj.raw = p.rjust(len(p) + offset) + if ancestors: + obj.parents = list(ancestors) + ancestors[-1].children.append(obj) + self.items.append(obj) + ancestors.append(obj) + + # add child objects + for line in to_list(lines): + # check if child already exists + for child in ancestors[-1].children: + if child.text == line: + break + else: + offset = len(parents) * self.indent + item = ConfigLine(line) + item.raw = line.rjust(len(line) + offset) + item.parents = ancestors + ancestors[-1].children.append(item) + self.items.append(item) + + +def argument_spec(): + return dict( + # config options + running_config=dict(aliases=['config']), + save_config=dict(type='bool', default=False, aliases=['save']) + ) +nxos_argument_spec = argument_spec() + + +NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I) + +NET_COMMON_ARGS = dict( + host=dict(required=True), + port=dict(type='int'), + username=dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME'])), + password=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD'])), + ssh_keyfile=dict(fallback=(env_fallback, ['ANSIBLE_NET_SSH_KEYFILE']), type='path'), + transport=dict(default='cli', choices=['cli', 'nxapi']), + use_ssl=dict(default=False, type='bool'), + validate_certs=dict(default=True, type='bool'), + provider=dict(type='dict'), + timeout=dict(default=10, type='int') +) + +NXAPI_COMMAND_TYPES = ['cli_show', 'cli_show_ascii', 'cli_conf', 'bash'] + +NXAPI_ENCODINGS = ['json', 'xml'] + +CLI_PROMPTS_RE = [ + re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*[>|#|%](?:\s*)$'), + re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*\(.+\)#(?:\s*)$') +] + +CLI_ERRORS_RE = [ + re.compile(r"% ?Error"), + re.compile(r"^% \w+", re.M), + 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+"), + re.compile(r"syntax error"), + re.compile(r"unknown command") +] + + +def to_list(val): + if isinstance(val, (list, tuple)): + return list(val) + elif val is not None: + return [val] + else: + return list() + + +class Nxapi(object): + + def __init__(self, module): + self.module = module + + # sets the module_utils/urls.py req parameters + self.module.params['url_username'] = module.params['username'] + self.module.params['url_password'] = module.params['password'] + + self.url = None + self._nxapi_auth = None + + def _get_body(self, commands, command_type, encoding, version='1.0', chunk='0', sid=None): + """Encodes a NXAPI JSON request message + """ + if isinstance(commands, (list, set, tuple)): + commands = ' ;'.join(commands) + + if encoding not in NXAPI_ENCODINGS: + msg = 'invalid encoding, received %s, exceped one of %s' % \ + (encoding, ','.join(NXAPI_ENCODINGS)) + self.module_fail_json(msg=msg) + + msg = { + 'version': version, + 'type': command_type, + 'chunk': chunk, + 'sid': sid, + 'input': commands, + 'output_format': encoding + } + return dict(ins_api=msg) + + def connect(self): + host = self.module.params['host'] + port = self.module.params['port'] + + if self.module.params['use_ssl']: + proto = 'https' + if not port: + port = 443 + else: + proto = 'http' + if not port: + port = 80 + + self.url = '%s://%s:%s/ins' % (proto, host, port) + + def send(self, commands, command_type='cli_show_ascii', encoding='json'): + """Send commands to the device. + """ + clist = to_list(commands) + + if command_type not in NXAPI_COMMAND_TYPES: + msg = 'invalid command_type, received %s, exceped one of %s' % \ + (command_type, ','.join(NXAPI_COMMAND_TYPES)) + self.module_fail_json(msg=msg) + + data = self._get_body(clist, command_type, encoding) + data = self.module.jsonify(data) + + headers = {'Content-Type': 'application/json'} + if self._nxapi_auth: + headers['Cookie'] = self._nxapi_auth + + response, headers = fetch_url(self.module, self.url, data=data, + headers=headers, method='POST') + + self._nxapi_auth = headers.get('set-cookie') + + if headers['status'] != 200: + self.module.fail_json(**headers) + + response = self.module.from_json(response.read()) + result = list() + + output = response['ins_api']['outputs']['output'] + for item in to_list(output): + if item['code'] != '200': + self.module.fail_json(**item) + else: + result.append(item['body']) + + return result + + +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'] + timeout = self.module.params['timeout'] + key_filename = self.module.params['ssh_keyfile'] + + allow_agent = (key_filename is not None) or (key_filename is None and password is None) + + 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, key_filename=key_filename, + allow_agent=allow_agent, timeout=timeout) + except ShellError: + e = get_exception() + msg = 'failed to connect to %s:%s - %s' % (host, port, str(e)) + self.module.fail_json(msg=msg) + + def send(self, commands, encoding='text'): + try: + return self.shell.send(commands) + except ShellError: + e = get_exception() + self.module.fail_json(msg=e.message, commands=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: + if self.params.get(key) is None and value is not None: + self.params[key] = value + + def connect(self): + cls = globals().get(str(self.params['transport']).capitalize()) + try: + self.connection = cls(self) + except TypeError: + e = get_exception() + self.fail_json(msg=e.message) + + self.connection.connect() + + if self.params['transport'] == 'cli': + self.connection.send('terminal length 0') + + self._connected = True + + def configure(self, commands): + commands = to_list(commands) + if self.params['transport'] == 'cli': + return self.configure_cli(commands) + else: + return self.execute(commands, command_type='cli_conf') + + def configure_cli(self, commands): + commands = to_list(commands) + commands.insert(0, 'configure') + responses = self.execute(commands) + responses.pop(0) + return responses + + def execute(self, commands, **kwargs): + if not self.connected: + self.connect() + return self.connection.send(commands, **kwargs) + + def disconnect(self): + self.connection.close() + self._connected = False + + def parse_config(self, cfg): + return parse(cfg, indent=2) + + def get_config(self): + cmd = 'show running-config' + if self.params.get('include_defaults'): + cmd += ' all' + response = self.execute(cmd) + return response[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 module.params['transport'] == 'cli' and not HAS_PARAMIKO: + module.fail_json(msg='paramiko is required but does not appear to be installed') + + return module + + +def custom_get_config(module, include_defaults=False): + config = module.params['running_config'] + if not config: + cmd = 'show running-config' + if module.params['include_defaults']: + cmd += ' all' + if module.params['transport'] == 'nxapi': + config = module.execute([cmd], command_type='cli_show_ascii')[0] + else: + config = module.execute([cmd])[0] + + return CustomNetworkConfig(indent=2, contents=config) + +def load_config(module, candidate): + config = custom_get_config(module) + + commands = candidate.difference(config) + commands = [str(c).strip() for c in commands] + + save_config = module.params['save_config'] + + result = dict(changed=False) + + if commands: + if not module.check_mode: + module.configure(commands) + if save_config: + module.config.save_config() + + result['changed'] = True + result['updates'] = commands + + return result +# END OF COMMON CODE + +PARAM_TO_COMMAND_KEYMAP = { + 'vni': 'vni', + 'route_target_both': 'route-target both', + 'route_target_import': 'route-target import', + 'route_target_export': 'route-target export', + 'route_distinguisher': 'rd' +} +WARNINGS = [] + +import time + +def invoke(name, *args, **kwargs): + func = globals().get(name) + if func: + return func(*args, **kwargs) + + +def get_value(arg, config, module): + REGEX = re.compile(r'(?:{0}\s)(?P.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M) + value = '' + if PARAM_TO_COMMAND_KEYMAP[arg] in config: + value = REGEX.search(config).group('value') + return value + + +def get_route_target_value(arg, config, module): + splitted_config = config.splitlines() + value_list = [] + REGEX = re.compile(r'(?:{0}\s)(?P.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M) + + for line in splitted_config: + value = '' + if PARAM_TO_COMMAND_KEYMAP[arg] in line.strip(): + value = REGEX.search(line).group('value') + value_list.append(value) + return value_list + + +def get_existing(module, args): + existing = {} + netcfg = custom_get_config(module) + parents = ['evpn', 'vni {0} l2'.format(module.params['vni'])] + config = netcfg.get_section(parents) + + if config: + for arg in args: + if arg != 'vni': + if arg == 'route_distinguisher': + existing[arg] = get_value(arg, config, module) + else: + existing[arg] = get_route_target_value(arg, config, module) + + existing_fix = dict((k, v) for k, v in existing.iteritems() if v) + if existing_fix: + existing['vni'] = module.params['vni'] + else: + existing = existing_fix + + return existing + + +def apply_key_map(key_map, table): + new_dict = {} + for key, value in table.items(): + new_key = key_map.get(key) + if new_key: + value = table.get(key) + if value: + new_dict[new_key] = value + else: + new_dict[new_key] = value + return new_dict + + +def state_present(module, existing, proposed): + commands = list() + parents = list() + proposed_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, proposed) + existing_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, existing) + + for key, value in proposed_commands.iteritems(): + if key.startswith('route-target'): + if value == ['default']: + existing_value = existing_commands.get(key) + + if existing_value: + for target in existing_value: + commands.append('no {0} {1}'.format(key, target)) + else: + if not isinstance(value, list): + value = [value] + for target in value: + if existing: + if target not in existing.get(key.replace('-', '_').replace(' ', '_')): + commands.append('{0} {1}'.format(key, target)) + else: + commands.append('{0} {1}'.format(key, target)) + else: + if value == 'default': + existing_value = existing_commands.get(key) + if existing_value: + commands.append('no {0} {1}'.format(key, existing_value)) + else: + command = '{0} {1}'.format(key, value) + commands.append(command) + + if commands: + parents = ['evpn', 'vni {0} l2'.format(module.params['vni'])] + + return commands, parents + + +def state_absent(module, existing, proposed): + commands = ['no vni {0} l2'.format(module.params['vni'])] + parents = ['evpn'] + return commands, parents + + +def execute_config(module, candidate): + result = {} + try: + response = load_config(module, candidate) + result.update(response) + except ShellError: + exc = get_exception() + module.fail_json(msg=str(exc)) + return result + + +def main(): + argument_spec = dict( + vni=dict(required=True, type='str'), + route_distinguisher=dict(required=False, type='str'), + route_target_both=dict(required=False, type='list'), + route_target_import=dict(required=False, type='list'), + route_target_export=dict(required=False, type='list'), + m_facts=dict(required=False, default=False, type='bool'), + state=dict(choices=['present', 'absent'], default='present', + required=False), + include_defaults=dict(default=True) + ) + argument_spec.update(nxos_argument_spec) + module = get_module(argument_spec=argument_spec, + supports_check_mode=True) + + state = module.params['state'] + args = [ + 'vni', + 'route_distinguisher', + 'route_target_both', + 'route_target_import', + 'route_target_export' + ] + + existing = invoke('get_existing', module, args) + end_state = existing + proposed_args = dict((k, v) for k, v in module.params.iteritems() + if v is not None and k in args) + + proposed = {} + for key, value in proposed_args.iteritems(): + if key != 'vni': + if value == 'true': + value = True + elif value == 'false': + value = False + if existing.get(key) or (not existing.get(key) and value): + proposed[key] = value + result = {} + if state == 'present' or (state == 'absent' and existing): + candidate = CustomNetworkConfig(indent=3) + commands, parents = invoke('state_%s' % state, module, existing, + proposed) + if commands: + if (existing.get('route_distinguisher') and + proposed.get('route_distinguisher')): + if (existing['route_distinguisher'] != proposed[ + 'route_distinguisher'] and + proposed['route_distinguisher'] != 'default'): + WARNINGS.append('EVPN RD {0} was automatically removed. ' + 'It is highly recommended to use a task ' + '(with default as value) to explicitly ' + 'unconfigure it.'.format( + existing['route_distinguisher'])) + remove_commands = ['no rd {0}'.format( + existing['route_distinguisher'])] + + candidate.add(remove_commands, parents=parents) + result = execute_config(module, candidate) + time.sleep(20) + + candidate = CustomNetworkConfig(indent=3) + candidate.add(commands, parents=parents) + result = execute_config(module, candidate) + else: + result['updates'] = [] + + result['connected'] = module.connected + if module.params['m_facts']: + end_state = invoke('get_existing', module, args) + result['end_state'] = end_state + result['existing'] = existing + result['proposed'] = proposed_args + + if WARNINGS: + result['warnings'] = WARNINGS + + module.exit_json(**result) + + +if __name__ == '__main__': + main()