bifrost/playbooks/library/os_ironic_node.py
Julia Kreger f18c26a9b3 Rearranging the repository
Moved Ansible specific elements to playbooks/
2015-04-16 15:22:30 -04:00

292 lines
10 KiB
Python

#!/usr/bin/python
# coding: utf-8 -*-
# (c) 2015, Hewlett-Packard Development Company, L.P.
#
# This module 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.
#
# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
try:
import shade
HAS_SHADE = True
except ImportError:
HAS_SHADE = False
DOCUMENTATION = '''
---
module: os_ironic_node
short_description: Activate/Deactivate Bare Metal Resources from OpenStack
extends_documentation_fragment: openstack
description:
- Deploy to nodes controlled by Ironic.
options:
state:
description:
- Indicates desired state of the resource
choices: ['present', 'absent']
default: present
uuid:
description:
- globally unique identifier (UUID) to be given to the resource.
required: false
default: None
ironic_url:
description:
- If noauth mode is utilized, this is required to be set to the
endpoint URL for the Ironic API. Use with "auth" and "auth_type"
settings set to None.
required: false
default: None
config_drive:
description:
- A configdrive file or HTTP(S) URL that will be passed along to the
node.
required: false
default: None
instance_info:
description:
- Definition of the instance information which is used to deploy
the node. This information is only required when an instance is
set to present.
image_source:
description:
- An HTTP(S) URL where the image can be retrieved from.
image_checksum:
description:
- The checksum of image_source.
image_disk_format:
description:
- The type of image that has been requested to be deployed.
maintenance:
description:
- FUTURE: A setting to allow the direct control if a node is in maintenance
mode.
required: false
default: false
maintenance_reason:
description:
- FUTURE: A string expression regarding the reason a node is in a
maintenance mode.
required: false
default: None
requirements: ["shade"]
'''
EXAMPLES = '''
# Activate a node by booting an image with a configdrive attached
os_ironic_node:
cloud: "openstack"
uuid: "d44666e1-35b3-4f6b-acb0-88ab7052da69"
state: present
config_drive: "http://192.168.1.1/host-configdrive.iso"
instance_info:
image_source: "http://192.168.1.1/deploy_image.img"
image_checksum: "356a6b55ecc511a20c33c946c4e678af"
image_disk_format: "qcow"
delegate_to: localhost
'''
def _choose_id_value(module):
if module.params['uuid']:
return module.params['uuid']
if module.params['name']:
return module.params['name']
return None
# TODO(TheJulia): Change this over to use the machine patch method
# in shade once it is available.
def _prepare_instance_info_patch(instance_info):
patch = []
patch.append({
'op': 'replace',
'path': '/instance_info',
'value': instance_info
})
return patch
def _is_true(value):
true_values = [True, 'yes', 'Yes', 'True', 'true', 'present', 'on']
if value in true_values:
return True
return False
def _is_false(value):
false_values = [False, None, 'no', 'No', 'False', 'false', 'absent', 'off']
if value in false_values:
return True
return False
def _check_set_maintenance(module, cloud, node):
if _is_true(module.params['maintenance']):
if node['maintenance'] is False:
cloud.set_machine_maintenance_state(
node['uuid'],
True,
reason=module.params['maintenance_reason'])
return True
else:
# User has requested maintenance state, node is already in the
# desired state, checking to see if the reason has changed.
if (node['maintenance_reason'] is not
module.params['maintenance_reason']):
cloud.set_machine_maintenance_state(
node['uuid'],
True,
reason=module.params['maintenance_reason'])
return True
elif _is_false(module.params['maintenance']):
if node['maintenance'] is True:
cloud.set_machine_maintenance_state(
node['uuid'],
True,
reason=module.params['maintenance_reason'])
return True
else:
module.fail_json(msg="maintenance parameter was set but a valid "
"the value was not recognized.")
return False
def _check_set_power_state(module, cloud, node):
if (node['power_state'] is 'active' and module.params['state'] is 'off'):
# User has requested the node be powered off.
cloud.set_machine_power_off(node_id)
return True
if (node['power_state'] is 'power off' and
node['provision_state'] is not 'available'):
# Node is powered down when it is not awaiting to be provisioned
cloud.set_machine_power_on(node_id)
return True
# Default False if no action has been taken.
return False
def main():
argument_spec = openstack_full_argument_spec(
uuid=dict(required=False),
name=dict(required=False),
instance_info=dict(type='dict', required=False),
config_drive=dict(required=False),
ironic_url=dict(required=False),
state=dict(required=False, default='present'),
maintenance=dict(required=False),
maintenance_reason=dict(required=False),
)
module_kwargs = openstack_module_kwargs()
module = AnsibleModule(argument_spec, **module_kwargs)
if not HAS_SHADE:
module.fail_json(msg='shade is required for this module')
if (module.params['auth_type'] in [None, 'None'] and
module.params['ironic_url'] is None):
module.fail_json(msg="Authentication appears disabled, Please "
"define an ironic_url parameter")
if (module.params['ironic_url'] and
module.params['auth_type'] in [None, 'None']):
module.params['auth'] = dict(
endpoint=module.params['ironic_url']
)
node_id = _choose_id_value(module)
if not node_id:
module.fail_json(msg="A uuid or name value must be defined "
"to use this module.")
try:
cloud = shade.operator_cloud(**module.params)
node = cloud.get_machine(node_id)
if node is None:
module.fail_json(msg="node not found")
uuid = node['uuid']
instance_info = module.params['instance_info']
changed = False
# User has reqeusted desired state to be in maintenance state.
if module.params['state'] is 'maintenance':
module.params['maintenance'] = True
if node['provision_state'] in [
'cleaning',
'deleting',
'wait call-back']:
module.fail_json(msg="Node is in %s state, cannot act upon the "
"request as the node is in a transition "
"state" % node['provision_state'])
# TODO(TheJulia) This is in-development code, that requires
# code in the shade library that is still in development.
#
# if _check_set_maintenance(module, cloud, node):
# if node['provision_state'] is 'active':
# module.exit_json(changed=True,
# result="Maintenance state changed")
# changed = True
# node = cloud.get_machine(node_id)
# if _check_set_power_state(module, cloud, node):
# if node['provision_state'] is 'active':
# module.exit_json(changed=True, result="Power state changed")
# else:
# changed = True
# node = cloud.get_machine(node_id)
if _is_true(module.params['state']):
if instance_info is None:
module.fail_json(msg="When setting an instance to present, "
"instance_info is a required variable.")
# TODO(TheJulia): Update instance info, however info is
# deployment specific. Perhaps consider adding rebuild
# support, although there is a known desire to remove
# rebuild support from Ironic at some point in the future.
if node['provision_state'] is 'active':
module.exit_json(
changed=changed,
result="Node already in an active state"
)
patch = _prepare_instance_info_patch(instance_info)
cloud.set_node_instance_info(uuid, patch)
cloud.validate_node(uuid)
cloud.activate_node(uuid, module.params['config_drive'])
# TODO(TheJulia): Add more error checking and a wait option.
# We will need to loop, or just add the logic to shade,
# although this could be a very long running process as
# baremetal deployments are not a "quick" task.
module.exit_json(changed=changed, result="node activated")
elif _is_false(module.params['state']):
if node['provision_state'] is not "deleted":
cloud.purge_node_instance_info(uuid)
cloud.deactivate_node(uuid)
module.exit_json(changed=True, result="deleted")
else:
module.exit_json(changed=False, result="node not found")
else:
module.fail_json(msg="State must be present, absent, "
"maintenance, off")
except shade.OpenStackCloudException as e:
module.fail_json(msg=e.message)
# this is magic, see lib/ansible/module_common.py
from ansible.module_utils.basic import *
from ansible.module_utils.openstack import *
main()