Add dladm_linkprop module (#19413)
* Add dladm_linkprop module * Add ANSIBLE_METADATA Document return values Make imports explicit Use native YAML syntax in EXAMPLES
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Adam Števko
Peter Sprygada
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1 changed files with 306 additions and 0 deletions
306
lib/ansible/modules/network/illumos/dladm_linkprop.py
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lib/ansible/modules/network/illumos/dladm_linkprop.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2016, Adam Števko <adam.stevko@gmail.com>
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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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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'community',
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'version': '1.0'}
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DOCUMENTATION = '''
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---
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module: dladm_linkprop
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short_description: Manage link properties on Solaris/illumos systems.
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description:
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- Set / reset link properties on Solaris/illumos systems.
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version_added: "2.3"
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author: Adam Števko (@xen0l)
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options:
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link:
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description:
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- Link interface name.
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type: str
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required: true
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aliases: [ "nic", "interface" ]
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property:
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description:
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- Specifies the name of the property we want to manage.
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type: str
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required: true
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aliases: [ "name" ]
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value:
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description:
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- Specifies the value we want to set for the link property.
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type: str
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required: false
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temporary:
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description:
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- Specifies that lin property configuration is temporary. Temporary
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link property configuration does not persist across reboots.
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required: false
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type: boolean
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default: false
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state:
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description:
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- Set or reset the property value.
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required: false
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type: str
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default: "present"
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choices: [ "present", "absent", "reset" ]
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'''
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EXAMPLES = '''
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name: Set 'maxbw' to 100M on e1000g1
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dladm_linkprop: name=e1000g1 property=maxbw value=100M state=present
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name: Set 'mtu' to 9000 on e1000g1
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dladm_linkprop: name=e1000g1 property=mtu value=9000
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name: Reset 'mtu' property on e1000g1
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dladm_linkprop: name=e1000g1 property=mtu state=reset
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'''
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RETURN = '''
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property:
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description: property name
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returned: always
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type: string
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sample: mtu
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state:
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description: state of the target
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returned: always
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type: string
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sample: present
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temporary:
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description: specifies if operation will persist across reboots
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returned: always
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type: boolean
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sample: True
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link:
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description: link name
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returned: always
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type: string
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sample: e100g0
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value:
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description: property value
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returned: always
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type: string
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sample: 9000
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'''
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from ansible.module_utils.basic import AnsibleModule
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class LinkProp(object):
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def __init__(self, module):
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self.module = module
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self.link = module.params['link']
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self.property = module.params['property']
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self.value = module.params['value']
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self.temporary = module.params['temporary']
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self.state = module.params['state']
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self.dladm_bin = self.module.get_bin_path('dladm', True)
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def property_exists(self):
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cmd = [self.dladm_bin]
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cmd.append('show-linkprop')
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cmd.append('-p')
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cmd.append(self.property)
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cmd.append(self.link)
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(rc, _, _) = self.module.run_command(cmd)
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if rc == 0:
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return True
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else:
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self.module.fail_json(msg='Unknown property "%s" on link %s' %
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(self.property, self.link),
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property=self.property,
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link=self.link)
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def property_is_modified(self):
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cmd = [self.dladm_bin]
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cmd.append('show-linkprop')
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cmd.append('-c')
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cmd.append('-o')
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cmd.append('value,default')
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cmd.append('-p')
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cmd.append(self.property)
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cmd.append(self.link)
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(rc, out, _) = self.module.run_command(cmd)
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out = out.rstrip()
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(value, default) = out.split(':')
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if rc == 0 and value == default:
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return True
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else:
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return False
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def property_is_readonly(self):
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cmd = [self.dladm_bin]
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cmd.append('show-linkprop')
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cmd.append('-c')
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cmd.append('-o')
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cmd.append('perm')
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cmd.append('-p')
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cmd.append(self.property)
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cmd.append(self.link)
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(rc, out, _) = self.module.run_command(cmd)
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out = out.rstrip()
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if rc == 0 and out == 'r-':
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return True
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else:
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return False
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def property_is_set(self):
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cmd = [self.dladm_bin]
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cmd.append('show-linkprop')
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cmd.append('-c')
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cmd.append('-o')
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cmd.append('value')
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cmd.append('-p')
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cmd.append(self.property)
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cmd.append(self.link)
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(rc, out, _) = self.module.run_command(cmd)
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out = out.rstrip()
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if rc == 0 and self.value == out:
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return True
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else:
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return False
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def set_property(self):
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cmd = [self.dladm_bin]
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cmd.append('set-linkprop')
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if self.temporary:
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cmd.append('-t')
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cmd.append('-p')
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cmd.append(self.property + '=' + self.value)
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cmd.append(self.link)
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return self.module.run_command(cmd)
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def reset_property(self):
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cmd = [self.dladm_bin]
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cmd.append('reset-linkprop')
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if self.temporary:
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cmd.append('-t')
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cmd.append('-p')
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cmd.append(self.property)
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cmd.append(self.link)
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return self.module.run_command(cmd)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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link=dict(required=True, default=None, type='str', aliases=['nic', 'interface']),
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property=dict(required=True, type='str', aliases=['name']),
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value=dict(required=False, type='str'),
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temporary=dict(default=False, type='bool', choices=BOOLEANS),
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state=dict(
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default='present', choices=['absent', 'present', 'reset']),
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),
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required_if=[
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['state', 'present', ['value']],
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],
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supports_check_mode=True
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)
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linkprop = LinkProp(module)
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rc = None
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out = ''
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err = ''
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result = {}
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result['property'] = linkprop.property
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result['link'] = linkprop.link
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result['state'] = linkprop.state
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if linkprop.value:
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result['value'] = linkprop.value
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if linkprop.state == 'absent' or linkprop.state == 'reset':
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if linkprop.property_exists():
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if not linkprop.property_is_modified():
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if module.check_mode:
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module.exit_json(changed=True)
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(rc, out, err) = linkprop.reset_property()
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if rc != 0:
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module.fail_json(property=linkprop.property,
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link=linkprop.link,
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msg=err,
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rc=rc)
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elif linkprop.state == 'present':
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if linkprop.property_exists():
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if not linkprop.property_is_readonly():
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if not linkprop.property_is_set():
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if module.check_mode:
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module.exit_json(changed=True)
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(rc, out, err) = linkprop.set_property()
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if rc != 0:
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module.fail_json(property=linkprop.property,
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link=linkprop.link,
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msg=err,
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rc=rc)
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else:
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module.fail_json(msg='Property "%s" is read-only!' % (linkprop.property),
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property=linkprop.property,
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link=linkprop.link)
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if rc is None:
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result['changed'] = False
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else:
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result['changed'] = True
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if out:
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result['stdout'] = out
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if err:
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result['stderr'] = err
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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