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community.general/plugins/modules/remote_management/cobbler/cobbler_system.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2018, Dag Wieers (dagwieers) <dag@wieers.com>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = r'''
---
module: cobbler_system
short_description: Manage system objects in Cobbler
description:
- Add, modify or remove systems in Cobbler
options:
host:
description:
- The name or IP address of the Cobbler system.
default: 127.0.0.1
type: str
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port:
description:
- Port number to be used for REST connection.
- The default value depends on parameter C(use_ssl).
type: int
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username:
description:
- The username to log in to Cobbler.
default: cobbler
type: str
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password:
description:
- The password to log in to Cobbler.
type: str
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use_ssl:
description:
- If C(false), an HTTP connection will be used instead of the default HTTPS connection.
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type: bool
default: true
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validate_certs:
description:
- If C(false), SSL certificates will not be validated.
- This should only set to C(false) when used on personally controlled sites using self-signed certificates.
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type: bool
default: true
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name:
description:
- The system name to manage.
type: str
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properties:
description:
- A dictionary with system properties.
type: dict
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interfaces:
description:
- A list of dictionaries containing interface options.
type: dict
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sync:
description:
- Sync on changes.
- Concurrently syncing Cobbler is bound to fail.
type: bool
default: false
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state:
description:
- Whether the system should be present, absent or a query is made.
choices: [ absent, present, query ]
default: present
type: str
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author:
- Dag Wieers (@dagwieers)
notes:
- Concurrently syncing Cobbler is bound to fail with weird errors.
- On python 2.7.8 and older (i.e. on RHEL7) you may need to tweak the python behaviour to disable certificate validation.
More information at L(Certificate verification in Python standard library HTTP clients,https://access.redhat.com/articles/2039753).
'''
EXAMPLES = r'''
- name: Ensure the system exists in Cobbler
community.general.cobbler_system:
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host: cobbler01
username: cobbler
password: MySuperSecureP4sswOrd
name: myhost
properties:
profile: CentOS6-x86_64
name_servers: [ 2.3.4.5, 3.4.5.6 ]
name_servers_search: foo.com, bar.com
interfaces:
eth0:
macaddress: 00:01:02:03:04:05
ipaddress: 1.2.3.4
delegate_to: localhost
- name: Enable network boot in Cobbler
community.general.cobbler_system:
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host: bdsol-aci-cobbler-01
username: cobbler
password: ins3965!
name: bdsol-aci51-apic1.cisco.com
properties:
netboot_enabled: true
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state: present
delegate_to: localhost
- name: Query all systems in Cobbler
community.general.cobbler_system:
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host: cobbler01
username: cobbler
password: MySuperSecureP4sswOrd
state: query
register: cobbler_systems
delegate_to: localhost
- name: Query a specific system in Cobbler
community.general.cobbler_system:
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host: cobbler01
username: cobbler
password: MySuperSecureP4sswOrd
name: '{{ inventory_hostname }}'
state: query
register: cobbler_properties
delegate_to: localhost
- name: Ensure the system does not exist in Cobbler
community.general.cobbler_system:
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host: cobbler01
username: cobbler
password: MySuperSecureP4sswOrd
name: myhost
state: absent
delegate_to: localhost
'''
RETURN = r'''
systems:
description: List of systems
returned: C(state=query) and C(name) is not provided
type: list
system:
description: (Resulting) information about the system we are working with
returned: when C(name) is provided
type: dict
'''
import copy
import datetime
import ssl
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import iteritems
from ansible.module_utils.six.moves import xmlrpc_client
from ansible.module_utils.common.text.converters import to_text
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IFPROPS_MAPPING = dict(
bondingopts='bonding_opts',
bridgeopts='bridge_opts',
connected_mode='connected_mode',
cnames='cnames',
dhcptag='dhcp_tag',
dnsname='dns_name',
ifgateway='if_gateway',
interfacetype='interface_type',
interfacemaster='interface_master',
ipaddress='ip_address',
ipv6address='ipv6_address',
ipv6defaultgateway='ipv6_default_gateway',
ipv6mtu='ipv6_mtu',
ipv6prefix='ipv6_prefix',
ipv6secondaries='ipv6_secondariesu',
ipv6staticroutes='ipv6_static_routes',
macaddress='mac_address',
management='management',
mtu='mtu',
netmask='netmask',
static='static',
staticroutes='static_routes',
virtbridge='virt_bridge',
)
def getsystem(conn, name, token):
system = dict()
if name:
# system = conn.get_system(name, token)
systems = conn.find_system(dict(name=name), token)
if systems:
system = systems[0]
return system
def main():
module = AnsibleModule(
argument_spec=dict(
host=dict(type='str', default='127.0.0.1'),
port=dict(type='int'),
username=dict(type='str', default='cobbler'),
password=dict(type='str', no_log=True),
use_ssl=dict(type='bool', default=True),
validate_certs=dict(type='bool', default=True),
name=dict(type='str'),
interfaces=dict(type='dict'),
properties=dict(type='dict'),
sync=dict(type='bool', default=False),
state=dict(type='str', default='present', choices=['absent', 'present', 'query']),
),
supports_check_mode=True,
)
username = module.params['username']
password = module.params['password']
port = module.params['port']
use_ssl = module.params['use_ssl']
validate_certs = module.params['validate_certs']
name = module.params['name']
state = module.params['state']
module.params['proto'] = 'https' if use_ssl else 'http'
if not port:
module.params['port'] = '443' if use_ssl else '80'
result = dict(
changed=False,
)
start = datetime.datetime.utcnow()
ssl_context = None
if not validate_certs:
try:
ssl_context = ssl._create_unverified_context()
except AttributeError:
# Legacy Python that doesn't verify HTTPS certificates by default
pass
else:
# Handle target environment that doesn't support HTTPS verification
ssl._create_default_https_context = ssl._create_unverified_context
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url = '{proto}://{host}:{port}/cobbler_api'.format(**module.params)
if ssl_context:
conn = xmlrpc_client.ServerProxy(url, context=ssl_context)
else:
conn = xmlrpc_client.Server(url)
try:
token = conn.login(username, password)
except xmlrpc_client.Fault as e:
module.fail_json(msg="Failed to log in to Cobbler '{url}' as '{username}'. {error}".format(url=url, error=to_text(e), **module.params))
except Exception as e:
module.fail_json(msg="Connection to '{url}' failed. {error}".format(url=url, error=to_text(e), **module.params))
system = getsystem(conn, name, token)
# result['system'] = system
if state == 'query':
if name:
result['system'] = system
else:
# Turn it into a dictionary of dictionaries
# all_systems = conn.get_systems()
# result['systems'] = { system['name']: system for system in all_systems }
# Return a list of dictionaries
result['systems'] = conn.get_systems()
elif state == 'present':
if system:
# Update existing entry
system_id = conn.get_system_handle(name, token)
for key, value in iteritems(module.params['properties']):
if key not in system:
module.warn("Property '{0}' is not a valid system property.".format(key))
if system[key] != value:
try:
conn.modify_system(system_id, key, value, token)
result['changed'] = True
except Exception as e:
module.fail_json(msg="Unable to change '{0}' to '{1}'. {2}".format(key, value, e))
else:
# Create a new entry
system_id = conn.new_system(token)
conn.modify_system(system_id, 'name', name, token)
result['changed'] = True
if module.params['properties']:
for key, value in iteritems(module.params['properties']):
try:
conn.modify_system(system_id, key, value, token)
except Exception as e:
module.fail_json(msg="Unable to change '{0}' to '{1}'. {2}".format(key, value, e))
# Add interface properties
interface_properties = dict()
if module.params['interfaces']:
for device, values in iteritems(module.params['interfaces']):
for key, value in iteritems(values):
if key == 'name':
continue
if key not in IFPROPS_MAPPING:
module.warn("Property '{0}' is not a valid system property.".format(key))
if not system or system['interfaces'][device][IFPROPS_MAPPING[key]] != value:
result['changed'] = True
interface_properties['{0}-{1}'.format(key, device)] = value
if result['changed'] is True:
conn.modify_system(system_id, "modify_interface", interface_properties, token)
# Only save when the entry was changed
if not module.check_mode and result['changed']:
conn.save_system(system_id, token)
elif state == 'absent':
if system:
if not module.check_mode:
conn.remove_system(name, token)
result['changed'] = True
if not module.check_mode and module.params['sync'] and result['changed']:
try:
conn.sync(token)
except Exception as e:
module.fail_json(msg="Failed to sync Cobbler. {0}".format(to_text(e)))
if state in ('absent', 'present'):
result['system'] = getsystem(conn, name, token)
if module._diff:
result['diff'] = dict(before=system, after=result['system'])
elapsed = datetime.datetime.utcnow() - start
module.exit_json(elapsed=elapsed.seconds, **result)
if __name__ == '__main__':
main()