diff --git a/heartbeat/dummypy.in b/heartbeat/dummypy.in index 6ddb72423..3e2ff09dc 100755 --- a/heartbeat/dummypy.in +++ b/heartbeat/dummypy.in @@ -1,164 +1,164 @@ #!@PYTHON@ -tt # - *- coding: utf- 8 - *- # # # Dummy Python OCF RA. Does nothing except track its own state. # Use it only as a testing tool or example for how to write # a resource agent in python. # # Copyright (c) 2020 SUSE LLC, Pablo Bravo (pablo.bravo@suse.com) # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### import os import sys OCF_FUNCTIONS_DIR = os.environ.get( "OCF_FUNCTIONS_DIR", "%s/lib/heartbeat" % os.environ.get("OCF_ROOT")) sys.path.append(OCF_FUNCTIONS_DIR) import ocf # noqa: E402 PARAM_HA_RSCTMP = ocf.get_parameter("HA_RSCTMP") PARAM_INSTANCE = ocf.get_parameter("OCF_RESOURCE_INSTANCE") -OCF_RESKEY_state_default = f'{PARAM_HA_RSCTMP}/dummypy-{PARAM_INSTANCE}.state' +OCF_RESKEY_state_default = '{}/dummypy-{}.state'.format(PARAM_HA_RSCTMP, PARAM_INSTANCE) OCF_RESKEY_fake_default = "dummy" LONG_DESC = '''This is a Dummy Resource Agent. It does absolutely nothing except keep track of whether its running or not. Its purpose in life is for testing and to serve as a template for RA writers. NB: Please pay attention to the timeouts specified in the actions section below. They should be meaningful for the kind of resource the agent manages. They should be the minimum advised timeouts, but they shouldn't/cannot cover _all_ possible resource instances. So, try to be neither overly generous nor too stingy, but moderate. The minimum timeouts should never be below 10 seconds.''' SHORT_DESC = 'Example stateless resource agent' def touch(file_name): with open(file_name, 'a'): os.utime(file_name, None) def dummy_start(state, fake): rc = dummy_monitor(state, fake) if rc == ocf.OCF_SUCCESS: return ocf.OCF_SUCCESS touch(state) def dummy_stop(state, fake): rc = dummy_monitor(state, fake) if rc == ocf.OCF_SUCCESS: os.remove(state) return ocf.OCF_SUCCESS def dummy_monitor(state, fake): try: if os.path.isfile(state): return ocf.OCF_SUCCESS if (not ocf.is_probe()) and (ocf.OCF_ACTION == "monitor"): ocf.ocf_exit_reason("No process state file found") return ocf.OCF_NOT_RUNNING except: # noqa: E722 return ocf.OCF_ERR_GENERIC def dummy_validate(state, fake): state_dir = os.path.dirname(state) - file_test = f'{state_dir if state_dir != "" else "."}/$$' + file_test = '{}/{}'.format(state_dir if state_dir != "" else ".", PARAM_INSTANCE) try: touch(file_test) except: # noqa: E722 - ocf.ocf_exit_reason(f'State file "{state}" is not writable') + ocf.ocf_exit_reason('State file "{}" is not writable'.format(state)) return ocf.OCF_ERR_ARGS os.remove(file_test) return ocf.OCF_SUCCESS def dummy_migrate_to(state, fake): INSTANCE = ocf.OCF_RESOURCE_INSTANCE TARGET = ocf.get_parameter("CRM_meta_migrate_target") - ocf.logger.info(f'Migrating {INSTANCE} to {TARGET}.') + ocf.logger.info('Migrating {} to {}.'.format(INSTANCE, TARGET)) dummy_stop(state, fake) def dummy_migrate_from(state, fake): INSTANCE = ocf.OCF_RESOURCE_INSTANCE SOURCE = ocf.get_parameter("CRM_meta_migrate_source") - ocf.logger.info(f'Migrating {INSTANCE} from {SOURCE}.') + ocf.logger.info('Migrating {} from {}.'.format(INSTANCE, SOURCE)) dummy_start(state, fake) def dummy_reload(state, fake): - ocf.logger.info(f'Reloading {ocf.OCF_RESOURCE_INSTANCE} ...') + ocf.logger.info('Reloading {} ...'.format(ocf.OCF_RESOURCE_INSTANCE)) def dummy_validate_all(state, fake): dummy_validate(state, fake) def main(): dummy_agent = ocf.Agent('dummypy', SHORT_DESC, LONG_DESC) dummy_agent.add_parameter( name="state", shortdesc="State file", longdesc="Location to store the resource state in.", content_type="string", unique=True, default=ocf.get_parameter("state_default") ) dummy_agent.add_parameter( name="fake", shortdesc="Fake attribute that can be changed to cause a reload", longdesc="Fake attribute that can be changed to cause a reload", content_type="string", unique=False, default=ocf.get_parameter("fake_default") ) dummy_agent.add_action(name="start", timeout=20, handler=dummy_start) dummy_agent.add_action(name="stop", timeout=20, handler=dummy_stop) dummy_agent.add_action(name="monitor", timeout=20, handler=dummy_monitor, interval=10, depth=0) # noqa: E501 dummy_agent.add_action(name="reload", timeout=20, handler=dummy_reload) dummy_agent.add_action(name="migrate_to", timeout=20, handler=dummy_migrate_to) # noqa: E501 dummy_agent.add_action(name="migrate_from", timeout=20, handler=dummy_migrate_from) # noqa: E501 dummy_agent.add_action(name="validate-all", timeout=20, handler=dummy_validate_all) # noqa: E501 dummy_agent.run() if __name__ == "__main__": main()