Merge pull request #4856 from GGabriele/nxos_ntp_options
Adding nxos_ntp_options
This commit is contained in:
Peter Sprygada
GitHub
commit
31fbb8484d
1 changed files with 516 additions and 0 deletions
516
network/nxos/nxos_ntp_options.py
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516
network/nxos/nxos_ntp_options.py
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@ -0,0 +1,516 @@
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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_ntp_options
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version_added: "2.2"
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short_description: Manages NTP options.
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description:
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- Manages NTP options, e.g. authoritative server and logging.
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extends_documentation_fragment: nxos
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author:
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- Jason Edelman (@jedelman8)
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notes:
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- At least one of C(master) or C(logging) params must be supplied.
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- When C(state=absent), boolean parameters are flipped,
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e.g. C(master=true) will disable the authoritative server.
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- When C(state=absent) and C(master=true), the stratum will be removed as well.
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- When C(state=absent) and C(master=false), the stratum will be configured
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to its default value, 8.
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options:
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master:
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description:
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- Sets whether the device is an authoritative NTP server.
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required: false
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default: null
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choices: ['true','false']
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stratrum:
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description:
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- If C(master=true), an optional stratum can be supplied (1-15).
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The device default is 8.
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required: false
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default: null
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logging:
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description:
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- Sets whether NTP logging is enabled on the device.
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required: false
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default: null
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choices: ['true','false']
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state:
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description:
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- Manage the 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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'''
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EXAMPLES = '''
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# Basic NTP options configuration
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- nxos_ntp_options:
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master=true
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stratum=12
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logging=false
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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: k/v pairs of parameters passed into module
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returned: always
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type: dict
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sample: {"logging": false, "master": true, "stratum": "11"}
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existing:
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description:
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- k/v pairs of existing ntp options
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type: dict
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sample: {"logging": true, "master": true, "stratum": "8"}
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end_state:
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description: k/v pairs of ntp options after module execution
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returned: always
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type: dict
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sample: {"logging": false, "master": true, "stratum": "11"}
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updates:
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description: command sent to the device
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returned: always
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type: list
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sample: ["no ntp logging", "ntp master 11"]
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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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import json
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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 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 get_cli_body_ssh(command, response, module):
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"""Get response for when transport=cli. This is kind of a hack and mainly
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needed because these modules were originally written for NX-API. And
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not every command supports "| json" when using cli/ssh. As such, we assume
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if | json returns an XML string, it is a valid command, but that the
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resource doesn't exist yet. Instead, the output will be a raw string
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when issuing commands containing 'show run'.
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"""
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if 'xml' in response[0] or response[0] == '\n':
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body = []
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elif 'show run' in command:
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body = response
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else:
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try:
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if isinstance(response[0], str):
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body = [json.loads(response[0])]
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else:
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body = response
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except ValueError:
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module.fail_json(msg='Command does not support JSON output',
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command=command)
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return body
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def execute_show(cmds, module, command_type=None):
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command_type_map = {
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'cli_show': 'json',
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'cli_show_ascii': 'text'
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}
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try:
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if command_type:
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response = module.execute(cmds, command_type=command_type)
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else:
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response = module.execute(cmds)
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except ShellError:
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clie = get_exception()
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module.fail_json(msg='Error sending {0}'.format(cmds),
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error=str(clie))
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except AttributeError:
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try:
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if command_type:
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command_type = command_type_map.get(command_type)
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module.cli.add_commands(cmds, output=command_type)
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response = module.cli.run_commands()
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else:
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module.cli.add_commands(cmds)
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response = 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 {0}'.format(cmds),
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error=str(clie))
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return response
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def execute_show_command(command, module, command_type='cli_show'):
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if module.params['transport'] == 'cli':
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if 'show run' not in command:
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command += ' | json'
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cmds = [command]
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response = execute_show(cmds, module)
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body = get_cli_body_ssh(command, response, module)
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elif module.params['transport'] == 'nxapi':
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cmds = [command]
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body = execute_show(cmds, module, command_type=command_type)
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return body
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def flatten_list(command_lists):
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flat_command_list = []
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for command in command_lists:
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if isinstance(command, list):
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flat_command_list.extend(command)
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else:
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flat_command_list.append(command)
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return flat_command_list
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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] = str(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 get_ntp_master(module):
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command = 'show run | inc ntp.master'
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master_string = execute_show_command(command, module, command_type='cli_show_ascii')
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if master_string:
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if master_string[0]:
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master = True
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else:
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master = False
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else:
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master = False
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if master is True:
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stratum = str(master_string[0].split()[2])
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else:
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stratum = None
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return master, stratum
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def get_ntp_log(module):
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command = 'show ntp logging'
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body = execute_show_command(command, module)[0]
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logging_string = body['loggingstatus']
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if 'enabled' in logging_string:
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ntp_log = True
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else:
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ntp_log = False
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return ntp_log
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def get_ntp_options(module):
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existing = {}
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existing['logging'] = get_ntp_log(module)
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existing['master'], existing['stratum'] = get_ntp_master(module)
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return existing
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def config_ntp_options(delta, flip=False):
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master = delta.get('master')
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stratum = delta.get('stratum')
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log = delta.get('logging')
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ntp_cmds = []
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if flip:
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log = not log
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master = not master
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if log is not None:
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if log is True:
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ntp_cmds.append('ntp logging')
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elif log is False:
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ntp_cmds.append('no ntp logging')
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if master is not None:
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if master is True:
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if not stratum:
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stratum = ''
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ntp_cmds.append('ntp master {0}'.format(stratum))
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elif master is False:
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ntp_cmds.append('no ntp master')
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return ntp_cmds
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def main():
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argument_spec = dict(
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master=dict(required=False, type='bool'),
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stratum=dict(type='str'),
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logging=dict(required=False, type='bool'),
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state=dict(choices=['absent', 'present'], default='present'),
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)
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module = get_network_module(argument_spec=argument_spec,
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required_one_of=[['master', 'logging']],
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supports_check_mode=True)
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master = module.params['master']
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stratum = module.params['stratum']
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logging = module.params['logging']
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state = module.params['state']
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if stratum:
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if master is None:
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module.fail_json(msg='The master param must be supplied when '
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'stratum is supplied')
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try:
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stratum_int = int(stratum)
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if stratum_int < 1 or stratum_int > 15:
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raise ValueError
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except ValueError:
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module.fail_json(msg='Stratum must be an integer between 1 and 15')
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existing = get_ntp_options(module)
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end_state = existing
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args = dict(master=master, stratum=stratum, logging=logging)
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changed = False
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proposed = dict((k, v) for k, v in args.iteritems() if v is not None)
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if master is False:
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proposed['stratum'] = None
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stratum = None
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delta = dict(set(proposed.iteritems()).difference(existing.iteritems()))
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delta_stratum = delta.get('stratum')
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if delta_stratum:
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delta['master'] = True
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commands = []
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if state == 'present':
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if delta:
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command = config_ntp_options(delta)
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if command:
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commands.append(command)
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elif state == 'absent':
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if existing:
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isection = dict(set(proposed.iteritems()).intersection(
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existing.iteritems()))
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command = config_ntp_options(isection, flip=True)
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if command:
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commands.append(command)
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cmds = flatten_list(commands)
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if cmds:
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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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changed = True
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execute_config_command(cmds, module)
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end_state = get_ntp_options(module)
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results = {}
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results['proposed'] = proposed
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results['existing'] = existing
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results['updates'] = cmds
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results['changed'] = changed
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results['end_state'] = end_state
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module.exit_json(**results)
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if __name__ == '__main__':
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main()
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