104 lines
2.9 KiB
Python
Executable File
104 lines
2.9 KiB
Python
Executable File
#!/usr/bin/python
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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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import sys
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import os
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import subprocess
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import traceback
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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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action_get,
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action_set,
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log,
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)
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from utils import (
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pause_unit,
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resume_unit,
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)
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def pause(args):
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"""Pause the hacluster services.
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@raises Exception should the service fail to stop.
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"""
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pause_unit()
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def resume(args):
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"""Resume the hacluster services.
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@raises Exception should the service fail to start."""
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resume_unit()
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def status(args):
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"""Display status of cluster resources.
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Includes inactive resources in results."""
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cmd = ['crm', 'status', '--inactive']
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try:
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result = subprocess.check_output(cmd)
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action_set({'result': result})
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except subprocess.CalledProcessError as e:
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log("ERROR: Failed call to crm resource status. "
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"output: {}. return-code: {}".format(e.output, e.returncode))
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log(traceback.format_exc())
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action_set({'result': ''})
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action_fail("failed to get cluster status")
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def cleanup(args):
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"""Cleanup an/all hacluster resource(s).
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Optional arg "resource=res_xyz_abc" """
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resource_name = (action_get("resource")).lower()
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if resource_name == 'all':
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cmd = ['crm_resource', '-C']
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else:
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cmd = ['crm', 'resource', 'cleanup', resource_name]
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try:
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subprocess.check_call(cmd)
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action_set({'result': 'success'})
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except subprocess.CalledProcessError as e:
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log("ERROR: Failed call to crm resource cleanup for {}. "
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"output: {}. return-code: {}".format(resource_name, e.output,
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e.returncode))
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log(traceback.format_exc())
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action_set({'result': 'failure'})
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action_fail("failed to cleanup crm resource "
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"'{}'".format(resource_name))
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ACTIONS = {"pause": pause, "resume": resume,
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"status": status, "cleanup": cleanup}
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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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return "Action %s undefined" % action_name
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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(str(e))
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if __name__ == "__main__":
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sys.exit(main(sys.argv))
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