88 lines
2.3 KiB
Python
Executable File
88 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright 2016 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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# osd_out/osd_in actions file.
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import os
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import sys
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from subprocess import check_call
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sys.path.append('lib')
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sys.path.append('hooks')
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from charmhelpers.core.hookenv import (
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action_fail,
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)
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from ceph.utils import get_local_osd_ids
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from ceph_hooks import assess_status
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def osd_out(args):
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"""Pause the ceph-osd units on the local machine only.
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Optionally uses the 'osd-number' from juju action param to only osd_out a
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specific osd.
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@raises CalledProcessError if the ceph commands fails.
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@raises OSError if it can't get the local osd ids.
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"""
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for local_id in get_local_osd_ids():
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cmd = [
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'ceph',
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'--id', 'osd-upgrade',
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'osd', 'out', str(local_id)]
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check_call(cmd)
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assess_status()
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def osd_in(args):
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"""Resume the ceph-osd units on this local machine only
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@raises subprocess.CalledProcessError should the osd units fails to osd_in.
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@raises OSError if the unit can't get the local osd ids
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"""
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for local_id in get_local_osd_ids():
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cmd = [
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'ceph',
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'--id', 'osd-upgrade',
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'osd', 'in', str(local_id)]
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check_call(cmd)
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assess_status()
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# A dictionary of all the defined actions to callables (which take
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# parsed arguments).
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ACTIONS = {"osd-out": osd_out, "osd-in": osd_in}
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def main(args):
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action_name = os.path.basename(args[0])
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try:
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action = ACTIONS[action_name]
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except KeyError:
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s = "Action {} undefined".format(action_name)
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action_fail(s)
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return s
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else:
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try:
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action(args)
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except Exception as e:
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action_fail("Action {} failed: {}".format(action_name, str(e)))
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if __name__ == "__main__":
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sys.exit(main(sys.argv))
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