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Add dladm_linkprop module (#19413)

* Add dladm_linkprop module

* Add ANSIBLE_METADATA
Document return values
Make imports explicit
Use native YAML syntax in EXAMPLES
This commit is contained in:
Adam Števko 2017-01-09 18:31:42 +01:00 committed by Peter Sprygada
parent 05bf7488cc
commit a677f40457

View file

@ -0,0 +1,306 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2016, Adam Števko <adam.stevko@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
ANSIBLE_METADATA = {'status': ['preview'],
'supported_by': 'community',
'version': '1.0'}
DOCUMENTATION = '''
---
module: dladm_linkprop
short_description: Manage link properties on Solaris/illumos systems.
description:
- Set / reset link properties on Solaris/illumos systems.
version_added: "2.3"
author: Adam Števko (@xen0l)
options:
link:
description:
- Link interface name.
type: str
required: true
aliases: [ "nic", "interface" ]
property:
description:
- Specifies the name of the property we want to manage.
type: str
required: true
aliases: [ "name" ]
value:
description:
- Specifies the value we want to set for the link property.
type: str
required: false
temporary:
description:
- Specifies that lin property configuration is temporary. Temporary
link property configuration does not persist across reboots.
required: false
type: boolean
default: false
state:
description:
- Set or reset the property value.
required: false
type: str
default: "present"
choices: [ "present", "absent", "reset" ]
'''
EXAMPLES = '''
name: Set 'maxbw' to 100M on e1000g1
dladm_linkprop: name=e1000g1 property=maxbw value=100M state=present
name: Set 'mtu' to 9000 on e1000g1
dladm_linkprop: name=e1000g1 property=mtu value=9000
name: Reset 'mtu' property on e1000g1
dladm_linkprop: name=e1000g1 property=mtu state=reset
'''
RETURN = '''
property:
description: property name
returned: always
type: string
sample: mtu
state:
description: state of the target
returned: always
type: string
sample: present
temporary:
description: specifies if operation will persist across reboots
returned: always
type: boolean
sample: True
link:
description: link name
returned: always
type: string
sample: e100g0
value:
description: property value
returned: always
type: string
sample: 9000
'''
from ansible.module_utils.basic import AnsibleModule
class LinkProp(object):
def __init__(self, module):
self.module = module
self.link = module.params['link']
self.property = module.params['property']
self.value = module.params['value']
self.temporary = module.params['temporary']
self.state = module.params['state']
self.dladm_bin = self.module.get_bin_path('dladm', True)
def property_exists(self):
cmd = [self.dladm_bin]
cmd.append('show-linkprop')
cmd.append('-p')
cmd.append(self.property)
cmd.append(self.link)
(rc, _, _) = self.module.run_command(cmd)
if rc == 0:
return True
else:
self.module.fail_json(msg='Unknown property "%s" on link %s' %
(self.property, self.link),
property=self.property,
link=self.link)
def property_is_modified(self):
cmd = [self.dladm_bin]
cmd.append('show-linkprop')
cmd.append('-c')
cmd.append('-o')
cmd.append('value,default')
cmd.append('-p')
cmd.append(self.property)
cmd.append(self.link)
(rc, out, _) = self.module.run_command(cmd)
out = out.rstrip()
(value, default) = out.split(':')
if rc == 0 and value == default:
return True
else:
return False
def property_is_readonly(self):
cmd = [self.dladm_bin]
cmd.append('show-linkprop')
cmd.append('-c')
cmd.append('-o')
cmd.append('perm')
cmd.append('-p')
cmd.append(self.property)
cmd.append(self.link)
(rc, out, _) = self.module.run_command(cmd)
out = out.rstrip()
if rc == 0 and out == 'r-':
return True
else:
return False
def property_is_set(self):
cmd = [self.dladm_bin]
cmd.append('show-linkprop')
cmd.append('-c')
cmd.append('-o')
cmd.append('value')
cmd.append('-p')
cmd.append(self.property)
cmd.append(self.link)
(rc, out, _) = self.module.run_command(cmd)
out = out.rstrip()
if rc == 0 and self.value == out:
return True
else:
return False
def set_property(self):
cmd = [self.dladm_bin]
cmd.append('set-linkprop')
if self.temporary:
cmd.append('-t')
cmd.append('-p')
cmd.append(self.property + '=' + self.value)
cmd.append(self.link)
return self.module.run_command(cmd)
def reset_property(self):
cmd = [self.dladm_bin]
cmd.append('reset-linkprop')
if self.temporary:
cmd.append('-t')
cmd.append('-p')
cmd.append(self.property)
cmd.append(self.link)
return self.module.run_command(cmd)
def main():
module = AnsibleModule(
argument_spec=dict(
link=dict(required=True, default=None, type='str', aliases=['nic', 'interface']),
property=dict(required=True, type='str', aliases=['name']),
value=dict(required=False, type='str'),
temporary=dict(default=False, type='bool', choices=BOOLEANS),
state=dict(
default='present', choices=['absent', 'present', 'reset']),
),
required_if=[
['state', 'present', ['value']],
],
supports_check_mode=True
)
linkprop = LinkProp(module)
rc = None
out = ''
err = ''
result = {}
result['property'] = linkprop.property
result['link'] = linkprop.link
result['state'] = linkprop.state
if linkprop.value:
result['value'] = linkprop.value
if linkprop.state == 'absent' or linkprop.state == 'reset':
if linkprop.property_exists():
if not linkprop.property_is_modified():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = linkprop.reset_property()
if rc != 0:
module.fail_json(property=linkprop.property,
link=linkprop.link,
msg=err,
rc=rc)
elif linkprop.state == 'present':
if linkprop.property_exists():
if not linkprop.property_is_readonly():
if not linkprop.property_is_set():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = linkprop.set_property()
if rc != 0:
module.fail_json(property=linkprop.property,
link=linkprop.link,
msg=err,
rc=rc)
else:
module.fail_json(msg='Property "%s" is read-only!' % (linkprop.property),
property=linkprop.property,
link=linkprop.link)
if rc is None:
result['changed'] = False
else:
result['changed'] = True
if out:
result['stdout'] = out
if err:
result['stderr'] = err
module.exit_json(**result)
if __name__ == '__main__':
main()