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413 lines
12 KiB
Python
413 lines
12 KiB
Python
#!/usr/bin/python
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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DOCUMENTATION = '''
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---
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module: nxos_pim_rp_address
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version_added: "2.2"
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short_description: Manages configuration of an PIM static RP address instance.
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description:
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- Manages configuration of an Protocol Independent Multicast (PIM) static
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rendezvous point (RP) address instance.
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author: Gabriele Gerbino (@GGabriele)
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extends_documentation_fragment: nxos
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notes:
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- C(state=absent) remove the whole rp-address configuration, if existing.
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options:
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rp_address:
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description:
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- Configures a Protocol Independent Multicast (PIM) static
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rendezvous point (RP) address. Valid values are
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unicast addresses.
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required: true
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group_list:
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description:
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- Group range for static RP. Valid values are multicast addresses.
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required: false
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default: null
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prefix_list:
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description:
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- Prefix list policy for static RP. Valid values are prefix-list
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policy names.
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required: false
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default: null
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route_map:
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description:
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- Route map policy for static RP. Valid values are route-map
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policy names.
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required: false
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default: null
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bidir:
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description:
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- Group range is treated in PIM bidirectional mode.
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required: false
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choices: ['true','false']
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default: null
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'''
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EXAMPLES = '''
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- nxos_pim_rp_address:
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rp_address: "10.1.1.20"
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state: present
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username: "{{ un }}"
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password: "{{ pwd }}"
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host: "{{ inventory_hostname }}"
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'''
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RETURN = '''
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proposed:
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description: k/v pairs of parameters passed into module
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returned: verbose mode
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type: dict
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sample: {"rp_address": "10.1.1.21"}
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existing:
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description: list of existing pim rp-address configuration entries
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returned: verbose mode
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type: list
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sample: []
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end_state:
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description: pim rp-address configuration entries after module execution
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returned: verbose mode
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type: list
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sample: [{"bidir": false, "group_list": "224.0.0.0/4",
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"rp_address": "10.1.1.21"}]
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updates:
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description: commands sent to the device
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returned: always
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type: list
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sample: ["router bgp 65535", "vrf test", "router-id 1.1.1.1"]
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changed:
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description: check to see if a change was made on the device
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returned: always
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type: boolean
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sample: true
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'''
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# COMMON CODE FOR MIGRATION
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import re
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from ansible.module_utils.basic import get_exception
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from ansible.module_utils.netcfg import NetworkConfig, ConfigLine
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from ansible.module_utils.shell import ShellError
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try:
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from ansible.module_utils.nxos import get_module
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except ImportError:
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from ansible.module_utils.nxos import NetworkModule
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def to_list(val):
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if isinstance(val, (list, tuple)):
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return list(val)
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elif val is not None:
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return [val]
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else:
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return list()
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class CustomNetworkConfig(NetworkConfig):
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def expand_section(self, configobj, S=None):
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if S is None:
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S = list()
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S.append(configobj)
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for child in configobj.children:
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if child in S:
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continue
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self.expand_section(child, S)
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return S
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def get_object(self, path):
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for item in self.items:
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if item.text == path[-1]:
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parents = [p.text for p in item.parents]
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if parents == path[:-1]:
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return item
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def to_block(self, section):
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return '\n'.join([item.raw for item in section])
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def get_section(self, path):
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try:
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section = self.get_section_objects(path)
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return self.to_block(section)
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except ValueError:
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return list()
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def get_section_objects(self, path):
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if not isinstance(path, list):
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path = [path]
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obj = self.get_object(path)
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if not obj:
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raise ValueError('path does not exist in config')
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return self.expand_section(obj)
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def add(self, lines, parents=None):
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"""Adds one or lines of configuration
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"""
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ancestors = list()
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offset = 0
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obj = None
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## global config command
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if not parents:
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for line in to_list(lines):
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item = ConfigLine(line)
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item.raw = line
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if item not in self.items:
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self.items.append(item)
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else:
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for index, p in enumerate(parents):
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try:
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i = index + 1
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obj = self.get_section_objects(parents[:i])[0]
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ancestors.append(obj)
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except ValueError:
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# add parent to config
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offset = index * self.indent
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obj = ConfigLine(p)
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obj.raw = p.rjust(len(p) + offset)
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if ancestors:
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obj.parents = list(ancestors)
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ancestors[-1].children.append(obj)
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self.items.append(obj)
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ancestors.append(obj)
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# add child objects
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for line in to_list(lines):
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# check if child already exists
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for child in ancestors[-1].children:
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if child.text == line:
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break
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else:
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offset = len(parents) * self.indent
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item = ConfigLine(line)
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item.raw = line.rjust(len(line) + offset)
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item.parents = ancestors
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ancestors[-1].children.append(item)
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self.items.append(item)
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def get_network_module(**kwargs):
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try:
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return get_module(**kwargs)
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except NameError:
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return NetworkModule(**kwargs)
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def get_config(module, include_defaults=False):
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config = module.params['config']
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if not config:
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try:
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config = module.get_config()
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except AttributeError:
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defaults = module.params['include_defaults']
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config = module.config.get_config(include_defaults=defaults)
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return CustomNetworkConfig(indent=2, contents=config)
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def load_config(module, candidate):
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config = get_config(module)
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commands = candidate.difference(config)
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commands = [str(c).strip() for c in commands]
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save_config = module.params['save']
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result = dict(changed=False)
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if commands:
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if not module.check_mode:
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try:
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module.configure(commands)
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except AttributeError:
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module.config(commands)
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if save_config:
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try:
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module.config.save_config()
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except AttributeError:
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module.execute(['copy running-config startup-config'])
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result['changed'] = True
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result['updates'] = commands
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return result
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# END OF COMMON CODE
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BOOL_PARAMS = ['bidir']
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PARAM_TO_COMMAND_KEYMAP = {
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'rp_address': 'ip pim rp-address'
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}
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PARAM_TO_DEFAULT_KEYMAP = {}
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WARNINGS = []
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def invoke(name, *args, **kwargs):
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func = globals().get(name)
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if func:
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return func(*args, **kwargs)
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def get_value(config, module):
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value_list = []
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splitted_config = config.splitlines()
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for line in splitted_config:
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tmp = {}
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if 'ip pim rp-address' in line:
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splitted_line = line.split()
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tmp['rp_address'] = splitted_line[3]
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if len(splitted_line) > 5:
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value = splitted_line[5]
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if splitted_line[4] == 'route-map':
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tmp['route_map'] = value
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elif splitted_line[4] == 'prefix-list':
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tmp['prefix_list'] = value
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elif splitted_line[4] == 'group-list':
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tmp['group_list'] = value
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if 'bidir' in line:
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tmp['bidir'] = True
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else:
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tmp['bidir'] = False
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value_list.append(tmp)
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return value_list
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def get_existing(module, args):
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existing = {}
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config = str(get_config(module))
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existing = get_value(config, module)
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return existing
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def apply_key_map(key_map, table):
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new_dict = {}
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for key, value in table.items():
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new_key = key_map.get(key)
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if new_key:
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value = table.get(key)
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if value:
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new_dict[new_key] = value
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else:
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new_dict[new_key] = value
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return new_dict
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def state_present(module, existing, proposed, candidate):
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command = 'ip pim rp-address {0}'.format(module.params['rp_address'])
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commands = build_command(proposed, command)
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if commands:
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candidate.add(commands, parents=[])
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def build_command(param_dict, command):
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for param in ['group_list', 'prefix_list', 'route_map']:
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if param_dict.get(param):
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command += ' {0} {1}'.format(
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param.replace('_', '-'), param_dict.get(param))
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if param_dict.get('bidir'):
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command += ' bidir'
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return [command]
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def state_absent(module, existing, proposed, candidate):
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commands = list()
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for each in existing:
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if each.get('rp_address') == proposed['rp_address']:
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command = 'no ip pim rp-address {0}'.format(proposed['rp_address'])
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if each.get('group_list'):
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commands = build_command(each, command)
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else:
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commands = [command]
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if commands:
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candidate.add(commands, parents=[])
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def main():
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argument_spec = dict(
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rp_address=dict(required=True, type='str'),
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group_list=dict(required=False, type='str'),
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prefix_list=dict(required=False, type='str'),
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route_map=dict(required=False, type='str'),
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bidir=dict(required=False, type='bool'),
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state=dict(choices=['present', 'absent'], default='present',
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required=False),
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include_defaults=dict(default=False),
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config=dict(),
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save=dict(type='bool', default=False)
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)
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module = get_network_module(argument_spec=argument_spec,
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mutually_exclusive=[['group_list', 'route_map'],
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['group_list', 'prefix_list'],
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['route_map', 'prefix_list']],
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supports_check_mode=True)
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state = module.params['state']
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args = [
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'rp_address',
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'group_list',
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'prefix_list',
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'route_map',
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'bidir'
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]
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existing = invoke('get_existing', module, args)
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end_state = existing
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proposed_args = dict((k, v) for k, v in module.params.iteritems()
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if v is not None and k in args)
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proposed = {}
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for key, value in proposed_args.iteritems():
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if str(value).lower() == 'true':
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value = True
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elif str(value).lower() == 'false':
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value = False
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for each in existing:
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if each.get(key) or (not each.get(key) and value):
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proposed[key] = value
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result = {}
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candidate = CustomNetworkConfig(indent=3)
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invoke('state_%s' % state, module, existing, proposed, candidate)
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try:
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response = load_config(module, candidate)
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result.update(response)
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except ShellError:
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exc = get_exception()
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module.fail_json(msg=str(exc))
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result['connected'] = module.connected
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if module._verbosity > 0:
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end_state = invoke('get_existing', module, args)
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result['end_state'] = end_state
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result['existing'] = existing
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result['proposed'] = proposed_args
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if WARNINGS:
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result['warnings'] = WARNINGS
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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