87 lines
2.5 KiB
Python
Executable File
87 lines
2.5 KiB
Python
Executable File
#! /usr/bin/env python3
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#
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# Copyright 2020 Canonical Ltd
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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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"""Removes an OSD from a cluster map.
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Runs the ceph osd purge command, or earlier equivalents, removing an OSD from
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the cluster map, removes its authentication key, removes the OSD from the OSD
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map.
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"""
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from subprocess import (
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check_call,
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CalledProcessError,
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)
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from charmhelpers.core.hookenv import (
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function_get,
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log,
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function_fail
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)
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from charmhelpers.core.host import cmp_pkgrevno
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from charmhelpers.contrib.storage.linux import ceph
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from charms_ceph.utils import get_osd_weight
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def purge_osd(osd):
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"""Run the OSD purge action.
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:param osd: the OSD ID to operate on
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"""
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svc = 'admin'
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osd_str = str(osd)
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osd_name = "osd.{}".format(osd_str)
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current_osds = ceph.get_osds(svc)
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if osd not in current_osds:
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function_fail("OSD {} is not in the current list of OSDs".format(osd))
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return
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osd_weight = get_osd_weight(osd_name)
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if osd_weight > 0:
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function_fail("OSD has weight {}, must have zero weight before "
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"this operation".format(osd_weight))
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return
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luminous_or_later = cmp_pkgrevno('ceph-common', '12.0.0') >= 0
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if not function_get('i-really-mean-it'):
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function_fail('i-really-mean-it is a required parameter')
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return
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if luminous_or_later:
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cmds = [
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["ceph", "osd", "out", osd_name],
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['ceph', 'osd', 'purge', osd_str, '--yes-i-really-mean-it']
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]
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else:
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cmds = [
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["ceph", "osd", "out", osd_name],
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["ceph", "osd", "crush", "remove", "osd.{}".format(osd)],
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["ceph", "auth", "del", osd_name],
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['ceph', 'osd', 'rm', osd_str],
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]
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for cmd in cmds:
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try:
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check_call(cmd)
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except CalledProcessError as e:
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log(e)
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function_fail("OSD Purge for OSD {} failed".format(osd))
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return
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if __name__ == '__main__':
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osd = function_get("osd")
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purge_osd(osd)
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