89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
#!/usr/bin/python
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# Copyright 2015 Sam Yaple
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This module has been relicensed from the source below:
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# https://github.com/SamYaple/yaodu/blob/master/ansible/library/ceph_osd_list
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DOCUMENTATION = '''
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---
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module: find_disks
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short_description: Return list of devices containing a specfied label
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description:
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- This will return a list of all devices with a GPT partition label with
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the name specified.
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options:
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partition_name:
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description:
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- Partition name
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required: True
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type: bool
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author: Sam Yaple
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'''
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EXAMPLES = '''
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- hosts: ceph-osd
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tasks:
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- name: Return all valid formated devices with the name KOLLA_CEPH_OSD
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ceph_osd_list:
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partition_name: 'KOLLA_CEPH_OSD'
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register: osds
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'''
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import sys
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import subprocess
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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partition_name = dict(required=True, type='str')
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)
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)
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partition_name = module.params.get('partition_name')
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try:
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# This should all really be done differently. Unfortunately there is no
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# decent python library for dealing with disks like we need to here.
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disks = subprocess.check_output("parted -l", shell=True).split('\n')
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ret = list()
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for line in disks:
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d = line.split(' ')
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if d[0] == 'Disk' and d[1] != 'Flags:':
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dev = d[1][:-1]
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if line.find(partition_name) != -1:
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# This process returns an error code when no results return
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# We can ignore that, it is safe
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p = subprocess.Popen("blkid " + dev + "*", shell=True, stdout=subprocess.PIPE)
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blkid_out = p.communicate()[0]
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# The dev doesn't need to have a uuid, will be '' otherwise
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if ' UUID=' in blkid_out:
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fs_uuid = blkid_out.split(' UUID="')[1].split('"')[0]
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else:
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fs_uuid = ''
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ret.append({'device': dev, 'fs_uuid': fs_uuid})
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module.exit_json(disks=ret)
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except Exception as e:
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module.exit_json(failed=True, msg=repr(e))
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# import module snippets
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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