update ops_config module with new enhancements
* add src argument to provide path to config file * add new choice to match used to ignore current running config * add update argument with choices merge or check * add backup argument to backup current running config to control host * add save argument to save current running config to startup config * add state argument to control state of config file * deprecated force argument, use match=none instead Note: this module only supports transport=cli Tested on OpenSwitch 0.4.0
This commit is contained in:
Peter Sprygada
Matt Clay
parent
ef46627f1f
commit
54232c3b2d
1 changed files with 198 additions and 91 deletions
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@ -20,7 +20,7 @@ DOCUMENTATION = """
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---
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module: ops_config
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version_added: "2.1"
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author: "Peter sprygada (@privateip)"
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author: "Peter Sprygada (@privateip)"
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short_description: Manage OpenSwitch configuration using CLI
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description:
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- OpenSwitch configurations use a simple block indent file syntax
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@ -36,7 +36,8 @@ options:
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in the device running-config. Be sure to note the configuration
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command syntax as some commands are automatically modified by the
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device config parser.
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required: true
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required: false
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default: null
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parents:
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description:
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- The ordered set of parents that uniquely identify the section
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@ -45,6 +46,17 @@ options:
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level or global commands.
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required: false
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default: null
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src:
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description:
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- The I(src) argument provides a path to the configuration file
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to load into the remote system. The path can either be a full
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system path to the configuration file if the value starts with /
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or relative to the root of the implemented role or playbook.
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This arugment is mutually exclusive with the I(lines) and
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I(parents) arguments.
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required: false
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default: null
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version_added: "2.2"
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before:
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description:
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- The ordered set of commands to push on to the command stack if
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@ -72,7 +84,7 @@ options:
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must be an equal match.
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required: false
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default: line
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choices: ['line', 'strict', 'exact']
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choices: ['line', 'strict', 'exact', 'none']
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replace:
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description:
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- Instructs the module on the way to perform the configuration
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@ -90,9 +102,25 @@ options:
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current devices running-config. When set to true, this will
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cause the module to push the contents of I(src) into the device
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without first checking if already configured.
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- Note this argument should be considered deprecated. To achieve
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the equivalent, set the match argument to none. This argument
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will be removed in a future release.
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required: false
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default: false
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choices: ['true', 'false']
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choices: ['yes', 'no']
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update:
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description:
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- The I(update) argument controls how the configuration statements
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are processed on the remote device. Valid choices for the I(update)
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argument are I(merge) I(replace) and I(check). When the argument is
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set to I(merge), the configuration changes are merged with the current
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device running configuration. When the argument is set to I(check)
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the configuration updates are determined but not actually configured
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on the remote device.
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required: false
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default: merge
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choices: ['merge', 'check']
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version_added: "2.2"
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config:
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description:
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- The module, by default, will connect to the remote device and
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@ -104,20 +132,55 @@ options:
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config for comparison.
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required: false
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default: null
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save:
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description:
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- The C(save) argument instructs the module to save the running-
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config to the startup-config at the conclusion of the module
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running. If check mode is specified, this argument is ignored.
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required: false
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default: no
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choices: ['yes', 'no']
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version_added: "2.2"
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state:
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description:
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- This argument specifies whether or not the running-config is
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present on the remote device. When set to I(absent) the
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running-config on the remote device is erased.
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required: false
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default: no
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choices: ['yes', 'no']
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version_added: "2.2"
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"""
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EXAMPLES = """
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# Note: examples below use the following provider dict to handle
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# transport and authentication to the node.
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vars:
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cli:
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host: "{{ inventory_hostname }}"
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username: netop
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password: netop
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- name: configure hostname over cli
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ops_config:
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lines:
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- "hostname {{ inventory_hostname }}"
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lines:
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- "hostname {{ inventory_hostname }}"
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provider: "{{ cli }}"
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- name: configure vlan 10 over cli
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ops_config:
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lines:
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- no shutdown
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parents:
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- vlan 10
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lines:
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- no shutdown
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parents:
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- vlan 10
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provider: "{{ cli }}"
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- name: load config from file
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ops_config:
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src: ops01.cfg
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backup: yes
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provider: "{{ cli }}"
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"""
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RETURN = """
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@ -126,122 +189,166 @@ updates:
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returned: always
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type: list
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sample: ['...', '...']
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backup_path:
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description: The full path to the backup file
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returned: when backup is yes
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type: path
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sample: /playbooks/ansible/backup/ios_config.2016-07-16@22:28:34
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responses:
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description: The set of responses from issuing the commands on the device
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retured: when not check_mode
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returned: when not check_mode
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type: list
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sample: ['...', '...']
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"""
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import re
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import itertools
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def get_config(module):
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config = module.params['config'] or dict()
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if not config and not module.params['force']:
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config = module.config
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return config
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from ansible.module_utils.basic import get_exception
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from ansible.module_utils.openswitch import NetworkModule, NetworkError
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from ansible.module_utils.netcfg import NetworkConfig, dumps
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from ansible.module_utils.netcli import Command
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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 build_candidate(lines, parents, config, strategy):
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candidate = list()
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def check_args(module, warnings):
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if module.params['parents']:
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if not module.params['lines'] or module.params['src']:
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warnings.append('ignoring unnecessary argument parents')
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if module.params['force']:
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warnings.append('The force argument is deprecated, please use '
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'match=none instead. This argument will be '
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'removed in the future')
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if strategy == 'strict':
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for index, cmd in enumerate(lines):
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try:
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if cmd != config[index]:
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candidate.append(cmd)
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except IndexError:
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candidate.append(cmd)
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elif strategy == 'exact':
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if len(lines) != len(config):
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candidate = list(lines)
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else:
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for cmd, cfg in itertools.izip(lines, config):
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if cmd != cfg:
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candidate = list(lines)
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break
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else:
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for cmd in lines:
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if cmd not in config:
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candidate.append(cmd)
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def get_config(module, result):
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contents = module.params['config']
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if not contents:
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contents = module.config.get_config()
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return NetworkConfig(indent=4, contents=contents)
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def get_candidate(module):
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candidate = NetworkConfig(indent=4)
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if module.params['src']:
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candidate.load(module.params['src'])
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elif module.params['lines']:
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parents = module.params['parents'] or list()
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candidate.add(module.params['lines'], parents=parents)
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return candidate
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def load_backup(module):
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try:
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module.cli(['exit', 'config replace flash:/ansible-rollback force'])
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except NetworkError:
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module.fail_json(msg='unable to rollback configuration')
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def backup_config(module):
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cmd = 'copy running-config flash:/ansible-rollback'
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cmd = Command(cmd, prompt=re.compile('\? $'), response='\n')
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module.cli(cmd)
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def load_config(module, commands, result):
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if not module.check_mode and module.params['update'] != 'check':
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module.config(commands)
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result['changed'] = module.params['update'] != 'check'
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result['updates'] = commands.split('\n')
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def present(module, result):
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match = module.params['match']
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replace = module.params['replace']
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candidate = get_candidate(module)
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if match != 'none':
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config = get_config(module, result)
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configobjs = candidate.difference(config, match=match, replace=replace)
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else:
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config = None
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configobjs = candidate.items
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if configobjs:
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commands = dumps(configobjs, 'commands')
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if module.params['before']:
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commands[:0] = module.params['before']
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if module.params['after']:
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commands.extend(module.params['after'])
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# send the configuration commands to the device and merge
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# them with the current running config
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load_config(module, commands, result)
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if module.params['save'] and not module.check_mode:
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module.config.save_config()
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def absent(module, result):
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if not module.check_mode:
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module.cli('erase startup-config')
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result['changed'] = True
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def main():
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argument_spec = dict(
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lines=dict(aliases=['commands'], required=True, type='list'),
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lines=dict(aliases=['commands'], type='list'),
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parents=dict(type='list'),
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src=dict(type='path'),
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before=dict(type='list'),
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after=dict(type='list'),
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match=dict(default='line', choices=['line', 'strict', 'exact']),
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match=dict(default='line', choices=['line', 'strict', 'exact', 'none']),
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replace=dict(default='line', choices=['line', 'block']),
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# this argument is deprecated in favor of setting match: none
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# it will be removed in a future version
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force=dict(default=False, type='bool'),
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update=dict(choices=['merge', 'check'], default='merge'),
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backup=dict(type='bool', default=False),
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config=dict(),
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default=dict(type='bool', default=False),
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save=dict(type='bool', default=False),
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state=dict(choices=['present', 'absent'], default='present'),
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# ops_config is only supported over Cli transport so force
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# the value of transport to be cli
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transport=dict(default='cli', choices=['cli'])
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)
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module = get_module(argument_spec=argument_spec,
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supports_check_mode=True)
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mutually_exclusive = [('lines', 'src')]
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lines = module.params['lines']
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parents = module.params['parents'] or list()
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module = NetworkModule(argument_spec=argument_spec,
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connect_on_load=False,
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mutually_exclusive=mutually_exclusive,
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supports_check_mode=True)
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before = module.params['before']
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after = module.params['after']
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state = module.params['state']
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match = module.params['match']
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replace = module.params['replace']
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if module.params['force'] is True:
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module.params['match'] = 'none'
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contents = get_config(module)
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config = module.parse_config(contents)
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warnings = list()
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check_args(module, warnings)
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if parents:
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for parent in parents:
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for item in config:
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if item.text == parent:
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config = item
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result = dict(changed=False, warnings=warnings)
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try:
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children = [c.text for c in config.children]
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except AttributeError:
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children = [c.text for c in config]
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if module.params['backup']:
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result['__backup__'] = module.config.get_config()
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else:
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children = [c.text for c in config if not c.parents]
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try:
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invoke(state, module, result)
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except NetworkError:
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exc = get_exception()
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module.fail_json(msg=str(exc))
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result = dict(changed=False)
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module.exit_json(**result)
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candidate = build_candidate(lines, parents, children, match)
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if candidate:
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if replace == 'line':
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candidate[:0] = parents
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else:
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candidate = list(parents)
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candidate.extend(lines)
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if before:
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candidate[:0] = before
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if after:
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candidate.extend(after)
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if not module.check_mode:
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response = module.configure(candidate)
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result['responses'] = response
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result['changed'] = True
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result['updates'] = candidate
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return module.exit_json(**result)
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from ansible.module_utils.basic import *
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from ansible.module_utils.shell import *
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from ansible.module_utils.netcfg import *
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from ansible.module_utils.openswitch import *
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if __name__ == '__main__':
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main()
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