55 lines
1.2 KiB
Python
Executable File
55 lines
1.2 KiB
Python
Executable File
#!/usr/bin/python
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import os
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import sys
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from charmhelpers.core.host import service_pause, service_resume
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from charmhelpers.core.hookenv import action_fail, status_set
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from percona_utils import assess_status
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MYSQL_SERVICE = "mysql"
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def pause(args):
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"""Pause the MySQL service.
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@raises Exception should the service fail to stop.
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"""
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if not service_pause(MYSQL_SERVICE):
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raise Exception("Failed to pause MySQL service.")
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status_set(
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"maintenance",
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"Unit paused - use 'resume' action to resume normal service")
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def resume(args):
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"""Resume the MySQL service.
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@raises Exception should the service fail to start."""
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if not service_resume(MYSQL_SERVICE):
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raise Exception("Failed to resume MySQL service.")
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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 = {"pause": pause, "resume": resume}
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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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