114 lines
2.7 KiB
Python
Executable File
114 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import sys
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_path = os.path.dirname(os.path.realpath(__file__))
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_hooks_dir = os.path.abspath(os.path.join(_path, "..", "hooks"))
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def _add_path(path):
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if path not in sys.path:
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sys.path.insert(1, path)
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_add_path(_hooks_dir)
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import charmhelpers.contrib.openstack.utils as os_utils
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from charmhelpers.core.hookenv import (
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DEBUG,
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action_get,
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action_fail,
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log,
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)
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from neutron_utils import (
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assess_status,
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pause_unit_helper,
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resume_unit_helper,
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register_configs,
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)
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def pause(args):
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"""Pause the Ceilometer services.
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@raises Exception should the service fail to stop.
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"""
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pause_unit_helper(register_configs())
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def resume(args):
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"""Resume the Ceilometer services.
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@raises Exception should the service fail to start."""
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resume_unit_helper(register_configs())
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def restart(args):
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"""Restart services.
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:param args: Unused
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:type args: List[str]
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"""
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deferred_only = action_get("deferred-only")
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services = action_get("services").split()
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# Check input
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if deferred_only and services:
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action_fail("Cannot set deferred-only and services")
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return
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if not (deferred_only or services):
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action_fail("Please specify deferred-only or services")
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return
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if action_get('run-hooks'):
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log("Charm does not defer any hooks at present", DEBUG)
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if deferred_only:
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os_utils.restart_services_action(deferred_only=True)
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else:
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os_utils.restart_services_action(services=services)
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assess_status(register_configs())
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def run_deferred_hooks(args):
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"""Run deferred hooks.
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:param args: Unused
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:type args: List[str]
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"""
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# Charm defers restarts on a case-by-case basis so no full
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# hook deferalls are needed.
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action_fail("Charm does not defer any hooks at present")
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def show_deferred_events(args):
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"""Show the deferred events.
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:param args: Unused
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:type args: List[str]
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"""
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os_utils.show_deferred_events_action_helper()
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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, "restart-services": restart,
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"show-deferred-events": show_deferred_events,
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"run-deferred-hooks": run_deferred_hooks}
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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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