352 lines
12 KiB
Python
352 lines
12 KiB
Python
#!/usr/bin/python
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# coding: utf-8 -*-
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# (c) 2014, Hewlett-Packard Development Company, L.P.
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#
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# This module 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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# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
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try:
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import shade
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HAS_SHADE = True
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except ImportError:
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HAS_SHADE = False
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import jsonpatch
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DOCUMENTATION = '''
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---
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module: os_ironic
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short_description: Create/Delete Bare Metal Resources from OpenStack
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extends_documentation_fragment: openstack
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description:
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- Create or Remove Ironic nodes from OpenStack.
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options:
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state:
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description:
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- Indicates desired state of the resource
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choices: ['present', 'absent']
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default: present
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uuid:
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description:
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- globally unique identifier (UUID) to be given to the resource. Will
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be auto-generated if not specified, and name is specified.
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- Definition of a UUID will always take precedence to a name value.
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required: false
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default: None
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name:
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description:
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- unique name identifier to be given to the resource.
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required: false
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default: None
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driver:
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description:
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- The name of the Ironic Driver to use with this node.
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required: true
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default: None
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chassis_uuid:
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description:
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- Associate the node with a pre-defined chassis.
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required: false
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default: None
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ironic_url:
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description:
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- If noauth mode is utilized, this is required to be set to the
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endpoint URL for the Ironic API. Use with "auth" and "auth_type"
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settings set to None.
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required: false
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default: None
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driver_info:
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description:
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- Information for this server's driver. Will vary based on which
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driver is in use. Any sub-field which is populated will be validated
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during creation.
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power:
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- Information necessary to turn this server on / off. This often
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includes such things as IPMI username, password, and IP address.
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required: true
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deploy:
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- Information necessary to deploy this server directly, without
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using Nova. THIS IS NOT RECOMMENDED.
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console:
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- Information necessary to connect to this server's serial console.
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Not all drivers support this.
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management:
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- Information necessary to interact with this server's management
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interface. May be shared by power_info in some cases.
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required: true
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nics:
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description:
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- A list of network interface cards, eg, " - mac: aa:bb:cc:aa:bb:cc"
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required: true
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properties:
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description:
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- Definition of the physical characteristics of this server, used for
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scheduling purposes
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cpu_arch:
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description:
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- CPU architecture (x86_64, i686, ...)
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default: x86_64
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cpus:
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description:
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- Number of CPU cores this machine has
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default: 1
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ram:
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description:
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- amount of RAM this machine has, in MB
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default: 1
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disk_size:
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description:
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- size of first storage device in this machine (typically
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/dev/sda), in GB
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default: 1
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skip_update_of_driver_password:
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description:
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- Allows the code that would assert changes to nodes to skip the
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update if the change is a single line consisting of the password
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field. As of Kilo, by default, passwords are always masked to API
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requests, which means the logic as a result always attempts to
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re-assert the password field.
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required: false
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default: false
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requirements: ["shade", "jsonpatch"]
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'''
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EXAMPLES = '''
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# Enroll a node with some basic properties and driver info
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- os_ironic:
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cloud: "devstack"
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driver: "pxe_ipmitool"
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uuid: "00000000-0000-0000-0000-000000000002"
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properties:
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cpus: 2
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cpu_arch: "x86_64"
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ram: 8192
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disk_size: 64
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nics:
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- mac: "aa:bb:cc:aa:bb:cc"
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- mac: "dd:ee:ff:dd:ee:ff"
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driver_info:
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power:
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ipmi_address: "1.2.3.4"
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ipmi_username: "admin"
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ipmi_password: "adminpass"
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chassis_uuid: "00000000-0000-0000-0000-000000000001"
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'''
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def _parse_properties(module):
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p = module.params['properties']
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props = dict(
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cpu_arch=p.get('cpu_arch') if p.get('cpu_arch') else 'x86_64',
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cpus=p.get('cpus') if p.get('cpus') else 1,
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memory_mb=p.get('ram') if p.get('ram') else 1,
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local_gb=p.get('disk_size') if p.get('disk_size') else 1,
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)
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return props
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def _parse_driver_info(module):
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p = module.params['driver_info']
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info = p.get('power')
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if not info:
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raise shade.OpenStackCloudException(
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"driver_info['power'] is required")
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if p.get('console'):
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info.update(p.get('console'))
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if p.get('management'):
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info.update(p.get('management'))
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if p.get('deploy'):
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info.update(p.get('deploy'))
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return info
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def _choose_id_value(module):
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if module.params['uuid']:
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return module.params['uuid']
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if module.params['name']:
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return module.params['name']
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return None
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def _is_value_true(value):
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true_values = [True, 'yes', 'Yes', 'True', 'true']
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if value in true_values:
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return True
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return False
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def _choose_if_password_only(module, patch):
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if len(patch) is 1:
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if 'password' in patch[0]['path'] and _is_value_true(
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module.params['skip_update_of_masked_password']):
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# Return false to aabort update as the password appears
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# to be the only element in the patch.
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return False
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return True
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def _exit_node_not_updated(module, server):
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module.exit_json(
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changed=False,
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result="Node not updated",
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uuid=server['uuid'],
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provision_state=server['provision_state']
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)
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def main():
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argument_spec = openstack_full_argument_spec(
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auth_type=dict(required=False),
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uuid=dict(required=False),
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name=dict(required=False),
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driver=dict(required=False),
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driver_info=dict(type='dict', required=True),
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nics=dict(type='list', required=True),
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properties=dict(type='dict', default={}),
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ironic_url=dict(required=False),
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chassis_uuid=dict(required=False),
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skip_update_of_masked_password=dict(required=False, choices=BOOLEANS),
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state=dict(required=False, default='present')
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)
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module_kwargs = openstack_module_kwargs()
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module = AnsibleModule(argument_spec, **module_kwargs)
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if not HAS_SHADE:
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module.fail_json(msg='shade is required for this module')
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if (module.params['auth_type'] in [None, 'None'] and
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module.params['ironic_url'] is None):
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module.fail_json(msg="Authentication appears to be disabled, "
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"Please define an ironic_url parameter")
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if (module.params['ironic_url'] and
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module.params['auth_type'] in [None, 'None']):
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module.params['auth'] = dict(
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endpoint=module.params['ironic_url']
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)
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node_id = _choose_id_value(module)
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try:
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cloud = shade.operator_cloud(**module.params)
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server = cloud.get_machine(node_id)
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if module.params['state'] == 'present':
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if module.params['driver'] is None:
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module.fail_json(msg="A driver must be defined in order "
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"to set a node to present.")
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properties = _parse_properties(module)
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driver_info = _parse_driver_info(module)
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kwargs = dict(
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driver=module.params['driver'],
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properties=properties,
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driver_info=driver_info,
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name=module.params['name'],
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)
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if module.params['chassis_uuid']:
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kwargs['chassis_uuid'] = module.params['chassis_uuid']
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if server is None:
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# Note(TheJulia): Add a specific UUID to the request if
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# present in order to be able to re-use kwargs for if
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# the node already exists logic, since uuid cannot be
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# updated.
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if module.params['uuid']:
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kwargs['uuid'] = module.params['uuid']
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server = cloud.register_machine(module.params['nics'],
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**kwargs)
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module.exit_json(changed=True, uuid=server['uuid'],
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provision_state=server['provision_state'])
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else:
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# TODO(TheJulia): Presently this does not support updating
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# nics. Support needs to be added.
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#
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# Note(TheJulia): This message should never get logged
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# however we cannot realistically proceed if neither a
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# name or uuid was supplied to begin with.
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if not node_id:
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module.fail_json(msg="A uuid or name value "
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"must be defined")
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# Note(TheJulia): Constructing the configuration to compare
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# against. The items listed in the server_config block can
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# be updated via the API.
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server_config = dict(
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driver=server['driver'],
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properties=server['properties'],
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driver_info=server['driver_info'],
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name=server['name'],
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)
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# Add the pre-existing chassis_uuid only if
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# it is present in the server configuration.
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if hasattr(server, 'chassis_uuid'):
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server_config['chassis_uuid'] = server['chassis_uuid']
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# Note(TheJulia): If a password is defined and concealed, a
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# patch will always be generated and re-asserted.
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patch = jsonpatch.JsonPatch.from_diff(server_config, kwargs)
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if not patch:
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_exit_node_not_updated(module, server)
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elif _choose_if_password_only(module, list(patch)):
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# Note(TheJulia): Normally we would allow the general
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# exception catch below, however this allows a specific
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# message.
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try:
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server = cloud.patch_machine(
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server['uuid'],
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list(patch))
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except Exception as e:
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module.fail_json(msg="Failed to update node, "
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"Error: %s" % e.message)
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# Enumerate out a list of changed paths.
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change_list = []
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for change in list(patch):
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change_list.append(change['path'])
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module.exit_json(changed=True,
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result="Node Updated",
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changes=change_list,
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uuid=server['uuid'],
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provision_state=server['provision_state'])
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# Return not updated by default as the conditions were not met
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# to update.
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_exit_node_not_updated(module, server)
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if module.params['state'] == 'absent':
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if not node_id:
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module.fail_json(msg="A uuid or name value must be defined "
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"in order to remove a node.")
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if server is not None:
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cloud.unregister_machine(module.params['nics'],
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server['uuid'])
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module.exit_json(changed=True, result="deleted")
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else:
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module.exit_json(changed=False, result="Server not found")
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except shade.OpenStackCloudException as e:
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module.fail_json(msg=e.message)
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# this is magic, see lib/ansible/module_common.py
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from ansible.module_utils.basic import *
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from ansible.module_utils.openstack import *
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main()
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