Current File : //proc/self/root/lib/python2.7/site-packages/ansible/modules/core/network/nxos/nxos_ospf.py
#!/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 <http://www.gnu.org/licenses/>.
#
DOCUMENTATION = '''
---
module: nxos_ospf
version_added: "2.2"
short_description: Manages configuration of an ospf instance.
description:
- Manages configuration of an ospf instance.
author: Gabriele Gerbino (@GGabriele)
extends_documentation_fragment: nxos
options:
ospf:
description:
- Name of the ospf instance.
required: true
state:
description:
- Determines whether the config should be present or not
on the device.
required: false
default: present
choices: ['present','absent']
'''
EXAMPLES = '''
- nxos_ospf:
ospf: 1
state: present
username: "{{ un }}"
password: "{{ pwd }}"
host: "{{ inventory_hostname }}"
'''
RETURN = '''
proposed:
description: k/v pairs of parameters passed into module
returned: verbose mode
type: dict
sample: {"ospf": "1"}
existing:
description: k/v pairs of existing configuration
returned: verbose mode
type: dict
sample: {"ospf": ["2"]}
end_state:
description: k/v pairs of configuration after module execution
returned: verbose mode
type: dict
sample: {"ospf": ["1", "2"]}
updates:
description: commands sent to the device
returned: always
type: list
sample: ["router ospf 1"]
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
from ansible.module_utils.basic import get_exception
from ansible.module_utils.netcfg import NetworkConfig, ConfigLine
from ansible.module_utils.shell import ShellError
try:
from ansible.module_utils.nxos import get_module
except ImportError:
from ansible.module_utils.nxos import NetworkModule
def to_list(val):
if isinstance(val, (list, tuple)):
return list(val)
elif val is not None:
return [val]
else:
return list()
class CustomNetworkConfig(NetworkConfig):
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 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 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)
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 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 get_network_module(**kwargs):
try:
return get_module(**kwargs)
except NameError:
return NetworkModule(**kwargs)
def get_config(module, include_defaults=False):
config = module.params['config']
if not config:
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 = get_config(module)
commands = candidate.difference(config)
commands = [str(c).strip() for c in commands]
save_config = module.params['save']
result = dict(changed=False)
if commands:
if not module.check_mode:
try:
module.configure(commands)
except AttributeError:
module.config(commands)
if save_config:
try:
module.config.save_config()
except AttributeError:
module.execute(['copy running-config startup-config'])
result['changed'] = True
result['updates'] = commands
return result
# END OF COMMON CODE
PARAM_TO_COMMAND_KEYMAP = {
'ospf': 'router ospf'
}
def invoke(name, *args, **kwargs):
func = globals().get(name)
if func:
return func(*args, **kwargs)
def get_value(config, module):
splitted_config = config.splitlines()
value_list = []
REGEX = '^router ospf\s(?P<ospf>\S+).*'
for line in splitted_config:
value = ''
if 'router ospf' in line:
try:
match_ospf = re.match(REGEX, line, re.DOTALL)
ospf_group = match_ospf.groupdict()
value = ospf_group['ospf']
except AttributeError:
value = ''
if value:
value_list.append(value)
return value_list
def get_existing(module):
existing = {}
config = str(get_config(module))
value = get_value(config, module)
if value:
existing['ospf'] = value
return existing
def apply_key_map(key_map, table):
new_dict = {}
for key, value in table.items():
new_key = key_map.get(key)
if new_key:
value = table.get(key)
if value:
new_dict[new_key] = value
else:
new_dict[new_key] = value
return new_dict
def state_present(module, proposed, candidate):
commands = ['router ospf {0}'.format(proposed['ospf'])]
candidate.add(commands, parents=[])
def state_absent(module, proposed, candidate):
commands = ['no router ospf {0}'.format(proposed['ospf'])]
candidate.add(commands, parents=[])
def main():
argument_spec = dict(
ospf=dict(required=True, type='str'),
state=dict(choices=['present', 'absent'], default='present',
required=False),
include_defaults=dict(default=True),
config=dict(),
save=dict(type='bool', default=False)
)
module = get_network_module(argument_spec=argument_spec,
supports_check_mode=True)
state = module.params['state']
ospf = str(module.params['ospf'])
existing = invoke('get_existing', module)
end_state = existing
proposed = dict(ospf=ospf)
if not existing:
existing_list = []
else:
existing_list = existing['ospf']
result = {}
if (state == 'present' or (state == 'absent' and ospf in existing_list)):
candidate = CustomNetworkConfig(indent=3)
invoke('state_%s' % state, module, 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._verbosity > 0:
end_state = invoke('get_existing', module)
result['end_state'] = end_state
result['existing'] = existing
result['proposed'] = proposed
module.exit_json(**result)
if __name__ == '__main__':
main()
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