mirror of https://github.com/ansible/ansible.git
Peter Sprygada
8 years ago
committed by
GitHub
commit
a78f92a854
@ -0,0 +1,558 @@
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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_snmp_user
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version_added: "2.2"
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short_description: Manages SNMP users for monitoring.
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description:
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- Manages SNMP user configuration.
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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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- Authentication parameters not idempotent.
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options:
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user:
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description:
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- Name of the user.
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required: true
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group:
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description:
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- Group to which the user will belong to.
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required: true
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auth:
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description:
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- Auth parameters for the user.
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required: false
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default: null
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choices: ['md5', 'sha']
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pwd:
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description:
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- Auth password when using md5 or sha.
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required: false
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default: null
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privacy:
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description:
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- Privacy password for the user.
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required: false
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default: null
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encrypt:
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description:
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- Enables AES-128 bit encryption when using privacy password.
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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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- nxos_snmp_user:
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user=ntc
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group=network-operator
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auth=md5
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pwd=test_password
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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: {"authentication": "md5", "group": "network-operator",
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"pwd": "test_password", "user": "ntc"}
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existing:
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description:
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- k/v pairs of existing configuration
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type: dict
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sample: {"authentication": "no", "encrypt": "none",
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"group": ["network-operator"], "user": "ntc"}
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end_state:
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description: k/v pairs configuration vtp after module execution
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returned: always
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type: dict
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sample: {"authentication": "md5", "encrypt": "none",
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"group": ["network-operator"], "user": "ntc"}
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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: ["snmp-server user ntc network-operator auth md5 test_password"]
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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, text=False):
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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 or text:
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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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||||
|
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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))
|
||||
except AttributeError:
|
||||
try:
|
||||
if command_type:
|
||||
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()
|
||||
else:
|
||||
module.cli.add_commands(cmds)
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response = module.cli.run_commands()
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||||
except ShellError:
|
||||
clie = get_exception()
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||||
module.fail_json(msg='Error sending {0}'.format(cmds),
|
||||
error=str(clie))
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return response
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||||
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||||
|
||||
def execute_show_command(command, module, command_type='cli_show', text=False):
|
||||
if module.params['transport'] == 'cli':
|
||||
if 'show run' not in command and text is False:
|
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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, text=text)
|
||||
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):
|
||||
flat_command_list = []
|
||||
for command in command_lists:
|
||||
if isinstance(command, list):
|
||||
flat_command_list.extend(command)
|
||||
else:
|
||||
flat_command_list.append(command)
|
||||
return flat_command_list
|
||||
|
||||
|
||||
def get_snmp_groups(module):
|
||||
command = 'show snmp group'
|
||||
body = execute_show_command(command, module)
|
||||
g_list = []
|
||||
|
||||
try:
|
||||
group_table = body[0]['TABLE_role']['ROW_role']
|
||||
for each in group_table:
|
||||
g_list.append(each['role_name'])
|
||||
|
||||
except (KeyError, AttributeError, IndexError):
|
||||
return g_list
|
||||
|
||||
return g_list
|
||||
|
||||
|
||||
def get_snmp_user(user, module):
|
||||
command = 'show snmp user {0}'.format(user)
|
||||
body = execute_show_command(command, module, text=True)
|
||||
|
||||
if 'No such entry' not in body[0]:
|
||||
body = execute_show_command(command, module)
|
||||
|
||||
resource = {}
|
||||
group_list = []
|
||||
try:
|
||||
resource_table = body[0]['TABLE_snmp_users']['ROW_snmp_users']
|
||||
resource['user'] = str(resource_table['user'])
|
||||
resource['authentication'] = str(resource_table['auth']).strip()
|
||||
encrypt = str(resource_table['priv']).strip()
|
||||
if encrypt.startswith('aes'):
|
||||
resource['encrypt'] = 'aes-128'
|
||||
else:
|
||||
resource['encrypt'] = 'none'
|
||||
|
||||
group_table = resource_table['TABLE_groups']['ROW_groups']
|
||||
|
||||
groups = []
|
||||
try:
|
||||
for group in group_table:
|
||||
groups.append(str(group['group']).strip())
|
||||
except TypeError:
|
||||
groups.append(str(group_table['group']).strip())
|
||||
|
||||
resource['group'] = groups
|
||||
|
||||
except (KeyError, AttributeError, IndexError, TypeError):
|
||||
return resource
|
||||
|
||||
return resource
|
||||
|
||||
|
||||
def remove_snmp_user(user):
|
||||
return ['no snmp-server user {0}'.format(user)]
|
||||
|
||||
|
||||
def config_snmp_user(proposed, user, reset, new):
|
||||
if reset and not new:
|
||||
commands = remove_snmp_user(user)
|
||||
else:
|
||||
commands = []
|
||||
|
||||
group = proposed.get('group', None)
|
||||
|
||||
cmd = ''
|
||||
|
||||
if group:
|
||||
cmd = 'snmp-server user {0} {group}'.format(user, **proposed)
|
||||
|
||||
auth = proposed.get('authentication', None)
|
||||
pwd = proposed.get('pwd', None)
|
||||
|
||||
if auth and pwd:
|
||||
cmd += ' auth {authentication} {pwd}'.format(**proposed)
|
||||
|
||||
encrypt = proposed.get('encrypt', None)
|
||||
privacy = proposed.get('privacy', None)
|
||||
|
||||
if encrypt and privacy:
|
||||
cmd += ' priv {encrypt} {privacy}'.format(**proposed)
|
||||
elif privacy:
|
||||
cmd += ' priv {privacy}'.format(**proposed)
|
||||
|
||||
if cmd:
|
||||
commands.append(cmd)
|
||||
|
||||
return commands
|
||||
|
||||
|
||||
def main():
|
||||
argument_spec = dict(
|
||||
user=dict(required=True, type='str'),
|
||||
group=dict(type='str', required=True),
|
||||
pwd=dict(type='str'),
|
||||
privacy=dict(type='str'),
|
||||
authentication=dict(choices=['md5', 'sha']),
|
||||
encrypt=dict(type='bool'),
|
||||
state=dict(choices=['absent', 'present'], default='present'),
|
||||
)
|
||||
module = get_network_module(argument_spec=argument_spec,
|
||||
required_together=[['authentication', 'pwd'],
|
||||
['encrypt', 'privacy']],
|
||||
supports_check_mode=True)
|
||||
|
||||
user = module.params['user']
|
||||
group = module.params['group']
|
||||
pwd = module.params['pwd']
|
||||
privacy = module.params['privacy']
|
||||
encrypt = module.params['encrypt']
|
||||
authentication = module.params['authentication']
|
||||
state = module.params['state']
|
||||
|
||||
if privacy and encrypt:
|
||||
if not pwd and authentication:
|
||||
module.fail_json(msg='pwd and authentication must be proviced '
|
||||
'when using privacy and encrypt')
|
||||
|
||||
if group and group not in get_snmp_groups(module):
|
||||
module.fail_json(msg='group not configured yet on switch.')
|
||||
|
||||
existing = get_snmp_user(user, module)
|
||||
end_state = existing
|
||||
|
||||
store = existing.get('group', None)
|
||||
if existing:
|
||||
if group not in existing['group']:
|
||||
existing['group'] = None
|
||||
else:
|
||||
existing['group'] = group
|
||||
|
||||
changed = False
|
||||
commands = []
|
||||
proposed = {}
|
||||
|
||||
if state == 'absent' and existing:
|
||||
commands.append(remove_snmp_user(user))
|
||||
|
||||
elif state == 'present':
|
||||
new = False
|
||||
reset = False
|
||||
|
||||
args = dict(user=user, pwd=pwd, group=group, privacy=privacy,
|
||||
encrypt=encrypt, authentication=authentication)
|
||||
proposed = dict((k, v) for k, v in args.iteritems() if v is not None)
|
||||
|
||||
if not existing:
|
||||
if encrypt:
|
||||
proposed['encrypt'] = 'aes-128'
|
||||
commands.append(config_snmp_user(proposed, user, reset, new))
|
||||
|
||||
elif existing:
|
||||
if encrypt and not existing['encrypt'].startswith('aes'):
|
||||
reset = True
|
||||
proposed['encrypt'] = 'aes-128'
|
||||
|
||||
elif encrypt:
|
||||
proposed['encrypt'] = 'aes-128'
|
||||
|
||||
delta = dict(
|
||||
set(proposed.iteritems()).difference(existing.iteritems()))
|
||||
|
||||
if delta.get('pwd'):
|
||||
delta['authentication'] = authentication
|
||||
|
||||
if delta:
|
||||
delta['group'] = group
|
||||
|
||||
command = config_snmp_user(delta, user, reset, new)
|
||||
commands.append(command)
|
||||
|
||||
cmds = flatten_list(commands)
|
||||
results = {}
|
||||
if cmds:
|
||||
if module.check_mode:
|
||||
module.exit_json(changed=True, commands=cmds)
|
||||
else:
|
||||
changed = True
|
||||
execute_config_command(cmds, module)
|
||||
end_state = get_snmp_user(user, module)
|
||||
|
||||
if store:
|
||||
existing['group'] = store
|
||||
|
||||
results['proposed'] = proposed
|
||||
results['existing'] = existing
|
||||
results['updates'] = cmds
|
||||
results['changed'] = changed
|
||||
results['end_state'] = end_state
|
||||
|
||||
module.exit_json(**results)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Loading…
Reference in New Issue