From 15d4fa42075fa1489d6e2dfd11be30c0a88f5f43 Mon Sep 17 00:00:00 2001 From: GGabriele Date: Sat, 3 Sep 2016 01:46:42 +0200 Subject: [PATCH 1/3] Adding nxos_vxlan_vtep --- network/nxos/nxos_vxlan_vtep.py | 1042 +++++++++++++++++++++++++++++++ 1 file changed, 1042 insertions(+) create mode 100644 network/nxos/nxos_vxlan_vtep.py diff --git a/network/nxos/nxos_vxlan_vtep.py b/network/nxos/nxos_vxlan_vtep.py new file mode 100644 index 00000000000..0e30cdbfca4 --- /dev/null +++ b/network/nxos/nxos_vxlan_vtep.py @@ -0,0 +1,1042 @@ +#!/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_vxlan_vtep +version_added: "2.2" +short_description: Manages VXLAN Network Virtualization Endpoint (NVE) +description: + - Manages VXLAN Network Virtualization Endpoint (NVE) overlay interface + that terminates VXLAN tunnels. +author: Gabriele Gerbino (@GGabriele) +extends_documentation_fragment: nxos +notes: + - The module is used to manage NVE properties, not to create NVE + interfaces. Use nxos_interface if you wish to do so. + - State 'absent' removes the interface + - default, where supported, restores params default value +options: + interface: + description: + - Interface name for the VXLAN Network Virtualization Endpoint + required: true + description: + description: + - Description of the NVE interface. + required: false + default: null + host_reachability: + description: + - Specify mechanism for host reachability advertisement. + required: false + choices: ['true', 'false'] + default: null + shutdown: + description: + - Administratively shutdown the NVE interface. + required: false + choices: ['true','false'] + default: false + source_interface: + description: + - Specify the loopback interface whose IP address should be + used for the NVE interface. + required: false + default: null + source_interface_hold_down_time: + description: + - Suppresses advertisement of the NVE loopback address until + the overlay has converged. + 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_vxlan_vtep: + interface=nve1 + description=default + host_reachability=default + source_interface=Loopback0 + source_interface_hold_down_time=30 + shutdown=default + username: "{{ un }}" + password: "{{ pwd }}" + host: "{{ inventory_hostname }}" +''' + +RETURN = ''' +proposed: + description: k/v pairs of parameters passed into module + returned: always + type: dict + sample: {"description": "simple description", "host_reachability": true, + "interface": "nve1", "shutdown": true, "source_interface": "loopback0", + "source_interface_hold_down_time": "30"} +existing: + description: k/v pairs of existing VXLAN VTEP configuration + type: dict + sample: {} +end_state: + description: k/v pairs of BGP configuration after module execution + returned: always + type: dict + sample: {"description": "simple description", "host_reachability": true, + "interface": "nve1", "shutdown": true, "source_interface": "loopback0", + "source_interface_hold_down_time": "30"} +updates: + description: commands sent to the device + returned: always + type: list + sample: ["interface nve1", "source-interface loopback0", + "source-interface hold-down-time 30", "description simple description", + "shutdown", "host-reachability protocol bgp"] +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 + +BOOL_PARAMS = [ + 'shutdown', + 'host_reachability' +] +PARAM_TO_COMMAND_KEYMAP = { + 'description': 'description', + 'host_reachability': 'host-reachability protocol bgp', + 'interface': 'interface', + 'shutdown': 'shutdown', + 'source_interface': 'source-interface', + 'source_interface_hold_down_time': 'source-interface hold-down-time' +} +PARAM_TO_DEFAULT_KEYMAP = { + 'description': False, + 'shutdown': True, +} + +WARNINGS = [] + + +def invoke(name, *args, **kwargs): + func = globals().get(name) + if func: + return func(*args, **kwargs) + + +def get_value(arg, config, module): + if arg in BOOL_PARAMS: + REGEX = re.compile(r'\s+{0}\s*$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M) + NO_SHUT_REGEX = re.compile(r'\s+no shutdown\s*$', re.M) + value = False + if arg == 'shutdown': + try: + if NO_SHUT_REGEX.search(config): + value = False + elif REGEX.search(config): + value = True + except TypeError: + value = False + else: + try: + if REGEX.search(config): + value = True + except TypeError: + value = False + else: + REGEX = re.compile(r'(?:{0}\s)(?P.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M) + NO_DESC_REGEX = re.compile(r'\s+{0}\s*$'.format('no description'), re.M) + SOURCE_INTF_REGEX = re.compile(r'(?:{0}\s)(?P\S+)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M) + value = '' + if arg == 'description': + if NO_DESC_REGEX.search(config): + value = '' + elif PARAM_TO_COMMAND_KEYMAP[arg] in config: + value = REGEX.search(config).group('value').strip() + elif arg == 'source_interface': + for line in config.splitlines(): + try: + if PARAM_TO_COMMAND_KEYMAP[arg] in config: + value = SOURCE_INTF_REGEX.search(config).group('value').strip() + break + except AttributeError: + value = '' + else: + if PARAM_TO_COMMAND_KEYMAP[arg] in config: + value = REGEX.search(config).group('value').strip() + return value + + +def get_existing(module, args): + existing = {} + netcfg = custom_get_config(module) + + parents = ['interface {0}'.format(module.params['interface'].lower())] + config = netcfg.get_section(parents) + + if config: + for arg in args: + existing[arg] = get_value(arg, config, module) + + existing['interface'] = module.params['interface'].lower() + 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 fix_commands(commands, module): + source_interface_command = '' + no_source_interface_command = '' + + for command in commands: + if 'no source-interface hold-down-time' in command: + pass + elif 'source-interface hold-down-time' in command: + pass + elif 'no source-interface' in command: + no_source_interface_command = command + elif 'source-interface' in command: + source_interface_command = command + + if source_interface_command: + commands.pop(commands.index(source_interface_command)) + commands.insert(0, source_interface_command) + + if no_source_interface_command: + commands.pop(commands.index(no_source_interface_command)) + commands.append(no_source_interface_command) + return commands + + +def state_present(module, existing, proposed, candidate): + commands = 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 value is True: + commands.append(key) + + elif value is False: + commands.append('no {0}'.format(key)) + + elif value == 'default': + if existing_commands.get(key): + existing_value = existing_commands.get(key) + commands.append('no {0} {1}'.format(key, existing_value)) + else: + if key.replace(' ', '_').replace('-', '_') in BOOL_PARAMS: + commands.append('no {0}'.format(key.lower())) + module.exit_json(commands=commands) + else: + command = '{0} {1}'.format(key, value.lower()) + commands.append(command) + + if commands: + commands = fix_commands(commands, module) + parents = ['interface {0}'.format(module.params['interface'].lower())] + candidate.add(commands, parents=parents) + + +def state_absent(module, existing, proposed, candidate): + commands = ['no interface {0}'.format(module.params['interface'].lower())] + candidate.add(commands, parents=[]) + + +def main(): + argument_spec = dict( + interface=dict(required=True, type='str'), + description=dict(required=False, type='str'), + host_reachability=dict(required=False, type='bool'), + shutdown=dict(required=False, type='bool'), + source_interface=dict(required=False, type='str'), + source_interface_hold_down_time=dict(required=False, type='str'), + 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'] + interface = module.params['interface'].lower() + + args = [ + 'interface', + 'description', + 'host_reachability', + 'shutdown', + 'source_interface', + 'source_interface_hold_down_time' + ] + + 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 != 'interface': + if str(value).lower() == 'true': + value = True + elif str(value).lower() == 'false': + value = False + elif str(value).lower() == 'default': + value = PARAM_TO_DEFAULT_KEYMAP.get(key) + if value is None: + if key in BOOL_PARAMS: + value = False + else: + value = 'default' + if existing.get(key) or (not existing.get(key) and value): + proposed[key] = value + + result = {} + if state == 'present' or (state == 'absent' and existing): + if not existing: + WARNINGS.append("The proposed NVE interface did not exist. " + "It's recommended to use nxos_interface to create " + "all logical interfaces.") + candidate = CustomNetworkConfig(indent=3) + invoke('state_%s' % state, module, existing, proposed, candidate) + + try: + response = load_config(module, candidate) + result.update(response) + except ShellError: + exc = get_exception() + module.fail_json(msg=str(exc)) + 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() From 78558fcf53f7e29b675f1346274fe5d09de1a39d Mon Sep 17 00:00:00 2001 From: GGabriele Date: Sun, 4 Sep 2016 19:47:02 +0200 Subject: [PATCH 2/3] Fixed config function --- network/nxos/nxos_vxlan_vtep.py | 655 ++++---------------------------- 1 file changed, 69 insertions(+), 586 deletions(-) diff --git a/network/nxos/nxos_vxlan_vtep.py b/network/nxos/nxos_vxlan_vtep.py index 0e30cdbfca4..6581370bf93 100644 --- a/network/nxos/nxos_vxlan_vtep.py +++ b/network/nxos/nxos_vxlan_vtep.py @@ -71,12 +71,6 @@ options: required: false default: present choices: ['present','absent'] - m_facts: - description: - - Used to print module facts - required: false - default: false - choices: ['true','false'] ''' EXAMPLES = ''' - nxos_vxlan_vtep: @@ -94,18 +88,19 @@ EXAMPLES = ''' RETURN = ''' proposed: description: k/v pairs of parameters passed into module - returned: always + returned: verbose mode type: dict sample: {"description": "simple description", "host_reachability": true, "interface": "nve1", "shutdown": true, "source_interface": "loopback0", "source_interface_hold_down_time": "30"} existing: description: k/v pairs of existing VXLAN VTEP configuration + returned: verbose mode type: dict sample: {} end_state: - description: k/v pairs of BGP configuration after module execution - returned: always + description: k/v pairs of VXLAN VTEP configuration after module execution + returned: verbose mode type: dict sample: {"description": "simple description", "host_reachability": true, "interface": "nve1", "shutdown": true, "source_interface": "loopback0", @@ -125,203 +120,52 @@ changed: ''' # 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 +from ansible.module_utils.basic import get_exception +from ansible.module_utils.netcfg import NetworkConfig, ConfigLine +from ansible.module_utils.shell import ShellError - @property - def line(self): - line = ['set'] - line.extend([p.text for p in self.parents]) - line.append(self.text) - return ' '.join(line) +try: + from ansible.module_utils.nxos import get_module +except ImportError: + from ansible.module_utils.nxos import NetworkModule - 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] +def to_list(val): + if isinstance(val, (list, tuple)): + return list(val) + elif val is not None: + return [val] + else: + return list() - # 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] +class CustomNetworkConfig(NetworkConfig): - if level > len(ancestors): - config.append(cfg) + 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 - 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 = '' + def get_object(self, path): 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() @@ -334,119 +178,6 @@ class CustomNetworkConfig(object): 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 @@ -497,303 +228,44 @@ class CustomNetworkConfig(object): 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() +def get_network_module(**kwargs): + try: + return get_module(**kwargs) + except NameError: + return NetworkModule(**kwargs) - 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'] +def get_config(module, include_defaults=False): + config = module.params['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] - + try: + config = module.get_config() + except AttributeError: + defaults = module.params['include_defaults'] + config = module.config.get_config(include_defaults=defaults) return CustomNetworkConfig(indent=2, contents=config) def load_config(module, candidate): - config = custom_get_config(module) + config = get_config(module) commands = candidate.difference(config) commands = [str(c).strip() for c in commands] - save_config = module.params['save_config'] + save_config = module.params['save'] result = dict(changed=False) if commands: if not module.check_mode: - module.configure(commands) + try: + module.configure(commands) + except AttributeError: + module.config(commands) + if save_config: - module.config.save_config() + try: + module.config.save_config() + except AttributeError: + module.execute(['copy running-config startup-config']) result['changed'] = True result['updates'] = commands @@ -872,9 +344,10 @@ def get_value(arg, config, module): def get_existing(module, args): existing = {} - netcfg = custom_get_config(module) + netcfg = get_config(module) - parents = ['interface {0}'.format(module.params['interface'].lower())] + interface_string = 'interface {0}'.format(module.params['interface'].lower()) + parents = [interface_string] config = netcfg.get_section(parents) if config: @@ -882,6 +355,11 @@ def get_existing(module, args): existing[arg] = get_value(arg, config, module) existing['interface'] = module.params['interface'].lower() + else: + if interface_string in str(netcfg): + existing['interface'] = module.params['interface'].lower() + for arg in args: + existing[arg] = '' return existing @@ -949,6 +427,10 @@ def state_present(module, existing, proposed, candidate): commands = fix_commands(commands, module) parents = ['interface {0}'.format(module.params['interface'].lower())] candidate.add(commands, parents=parents) + else: + if not existing and module.params['interface']: + commands = ['interface {0}'.format(module.params['interface'].lower())] + candidate.add(commands, parents=[]) def state_absent(module, existing, proposed, candidate): @@ -967,11 +449,12 @@ def main(): m_facts=dict(required=False, default=False, type='bool'), state=dict(choices=['present', 'absent'], default='present', required=False), - include_defaults=dict(default=True) + include_defaults=dict(default=True), + config=dict(), + save=dict(type='bool', default=False) ) - argument_spec.update(nxos_argument_spec) - module = get_module(argument_spec=argument_spec, - supports_check_mode=True) + module = get_network_module(argument_spec=argument_spec, + supports_check_mode=True) state = module.params['state'] interface = module.params['interface'].lower() @@ -1026,7 +509,7 @@ def main(): result['updates'] = [] result['connected'] = module.connected - if module.params['m_facts']: + if module._verbosity > 0: end_state = invoke('get_existing', module, args) result['end_state'] = end_state result['existing'] = existing From 0dbe20beae315609cac452162fbfdb86933c0b81 Mon Sep 17 00:00:00 2001 From: GGabriele Date: Mon, 5 Sep 2016 17:45:35 +0200 Subject: [PATCH 3/3] Fixed docstring --- network/nxos/nxos_vxlan_vtep.py | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/network/nxos/nxos_vxlan_vtep.py b/network/nxos/nxos_vxlan_vtep.py index 6581370bf93..be03739bf52 100644 --- a/network/nxos/nxos_vxlan_vtep.py +++ b/network/nxos/nxos_vxlan_vtep.py @@ -20,7 +20,7 @@ DOCUMENTATION = ''' --- module: nxos_vxlan_vtep version_added: "2.2" -short_description: Manages VXLAN Network Virtualization Endpoint (NVE) +short_description: Manages VXLAN Network Virtualization Endpoint (NVE). description: - Manages VXLAN Network Virtualization Endpoint (NVE) overlay interface that terminates VXLAN tunnels. @@ -28,13 +28,13 @@ author: Gabriele Gerbino (@GGabriele) extends_documentation_fragment: nxos notes: - The module is used to manage NVE properties, not to create NVE - interfaces. Use nxos_interface if you wish to do so. - - State 'absent' removes the interface - - default, where supported, restores params default value + interfaces. Use M(nxos_interface) if you wish to do so. + - C(state=absent) removes the interface. + - Default, where supported, restores params default value. options: interface: description: - - Interface name for the VXLAN Network Virtualization Endpoint + - Interface name for the VXLAN Network Virtualization Endpoint. required: true description: description: @@ -67,7 +67,8 @@ options: default: null state: description: - - Determines whether the config should be present or not on the device. + - Determines whether the config should be present or not + on the device. required: false default: present choices: ['present','absent']