379 lines
11 KiB
Python
379 lines
11 KiB
Python
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#!/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_gir_profile
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version_added: "2.2"
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short_description: Create a maintenance-mode or normal-mode profile for GIR.
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description:
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- Manage a maintenance-mode or normal-mode profile with configuration
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commands that can be applied during graceful removal
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or graceful insertion.
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extends_documentation_fragment: nxos
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author:
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- Gabriele Gerbino (@GGabriele)
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notes:
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- This module is not idempotent when C(state=present).
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- C(state=absent) removes the whole profile.
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options:
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commands:
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description:
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- List of commands to be included into the profile.
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required: false
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default: null
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mode:
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description:
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- Configure the profile as Maintenance or Normale mode.
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required: true
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choices: ['maintenance', 'normal']
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state:
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description:
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- Specify desired state of the resource.
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required: false
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default: present
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choices: ['present','absent']
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include_defaults:
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description:
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- Specify to retrieve or not the complete running configuration
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for module operations.
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required: false
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default: false
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choices: ['true','false']
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config:
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description:
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- Specify the configuration string to be used for module operations.
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required: false
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default: null
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'''
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EXAMPLES = '''
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# Create a maintenance-mode profile
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- nxos_gir_profile:
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mode: maintenance
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commands:
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- router eigrp 11
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- isolate
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host: "{{ inventory_hostname }}"
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username: "{{ un }}"
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password: "{{ pwd }}"
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# Remove the maintenance-mode profile
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- nxos_gir_profile:
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mode: maintenance
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state: absent
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host: "{{ inventory_hostname }}"
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username: "{{ un }}"
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password: "{{ pwd }}"
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'''
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RETURN = '''
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proposed:
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description: list of commands passed into module.
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returned: verbose mode
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type: list
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sample: ["router eigrp 11", "isolate"]
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existing:
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description: list of existing profile commands.
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returned: verbose mode
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type: list
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sample: ["router bgp 65535","isolate","router eigrp 10","isolate",
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"diagnostic bootup level complete"]
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end_state:
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description: list of profile entries after module execution.
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returned: verbose mode
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type: list
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sample: ["router bgp 65535","isolate","router eigrp 10","isolate",
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"diagnostic bootup level complete","router eigrp 11", "isolate"]
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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: ["configure maintenance profile maintenance-mode",
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"router eigrp 11","isolate"]
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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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def get_existing(module):
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existing = []
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netcfg = get_config(module)
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if module.params['mode'] == 'maintenance':
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parents = ['configure maintenance profile maintenance-mode']
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else:
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parents = ['configure maintenance profile normal-mode']
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config = netcfg.get_section(parents)
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if config:
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existing = config.splitlines()
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existing = [cmd.strip() for cmd in existing]
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existing.pop(0)
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return existing
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def state_present(module, existing, commands):
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cmds = list()
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cmds.extend(commands)
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if module.params['mode'] == 'maintenance':
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cmds.insert(0, 'configure maintenance profile maintenance-mode')
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else:
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cmds.insert(0, 'configure maintenance profile normal-mode')
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return cmds
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def state_absent(module, existing, commands):
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if module.params['mode'] == 'maintenance':
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cmds = ['no configure maintenance profile maintenance-mode']
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else:
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cmds = ['no configure maintenance profile normal-mode']
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return cmds
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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 execute_config_command(commands, module):
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try:
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module.configure(commands)
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending CLI commands',
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error=str(clie), commands=commands)
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except AttributeError:
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try:
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commands.insert(0, 'configure')
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module.cli.add_commands(commands, output='config')
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module.cli.run_commands()
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending CLI commands',
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error=str(clie), commands=commands)
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def main():
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argument_spec = dict(
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commands=dict(required=False, type='list'),
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mode=dict(required=True, choices=['maintenance', 'normal']),
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state=dict(choices=['absent', 'present'],
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default='present'),
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include_defaults=dict(default=False),
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config=dict()
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)
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module = get_network_module(argument_spec=argument_spec,
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supports_check_mode=True)
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state = module.params['state']
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commands = module.params['commands'] or []
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if state == 'absent' and commands:
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module.fail_json(msg='when state is absent, no command can be used.')
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existing = invoke('get_existing', module)
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end_state = existing
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changed = False
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result = {}
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cmds = []
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if state == 'present' or (state == 'absent' and existing):
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cmds = invoke('state_%s' % state, module, existing, commands)
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if module.check_mode:
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module.exit_json(changed=True, commands=cmds)
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else:
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execute_config_command(cmds, module)
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changed = True
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end_state = invoke('get_existing', module)
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result['connected'] = module.connected
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result['changed'] = changed
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if module._verbosity > 0:
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end_state = invoke('get_existing', module)
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result['end_state'] = end_state
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result['existing'] = existing
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result['proposed'] = commands
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result['updates'] = cmds
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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