453485bf0a
The pyudev library migrated teh Device class to Devices and while all the old methods still work, it's marked for removal in one of the next releases. Updating to the new class will probably prevent some headaches. Change-Id: I4a4c7ce7b5139af9c8886a759979d5b3f5bf8b8d
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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COLLECT_INFO = (('wwn', 'WWN'), ('serial', 'SERIAL_SHORT'),
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('wwn_with_extension', 'WWN_WITH_EXTENSION'),
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('wwn_vendor_extension', 'WWN_VENDOR_EXTENSION'))
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def get_devices_wwn(devices, module):
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try:
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import pyudev
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# NOTE(pas-ha) creating context might fail if udev is missing
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context = pyudev.Context()
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except ImportError:
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module.warn('Can not collect "wwn", "wwn_with_extension", '
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'"wwn_vendor_extension" and "serial" when using '
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'root device hints because there\'s no UDEV python '
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'binds installed')
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return {}
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dev_dict = {}
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for device in devices:
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name = '/dev/' + device
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try:
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udev = pyudev.Devices.from_device_file(context, name)
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except (ValueError, EnvironmentError, pyudev.DeviceNotFoundError) as e:
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module.warn('Device %(dev)s is inaccessible, skipping... '
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'Error: %(error)s' % {'dev': name, 'error': e})
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continue
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dev_dict[device] = {}
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for key, udev_key in COLLECT_INFO:
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candidate = udev.get('ID_%s' % udev_key)
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if candidate:
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candidate = candidate.lower()
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dev_dict[device][key] = candidate
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return {"ansible_facts": {"devices_wwn": dev_dict}}
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def main():
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module = AnsibleModule( # noqa This is normal for Ansible modules.
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argument_spec=dict(
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devices=dict(required=True, type='list'),
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),
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supports_check_mode=True,
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)
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devices = module.params['devices']
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data = get_devices_wwn(devices, module)
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module.exit_json(**data)
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from ansible.module_utils.basic import * # noqa
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if __name__ == '__main__':
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main()
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