def refresh_specific_checks(self, hostname, checksd, checks):
"""take a set of checks and for each of them:
- remove it from the init_failed_checks if it was there
- load a fresh config for it
- replace its old config with the new one in initialized_checks if there was one
- disable the check if no new config was found
- otherwise, append it to initialized_checks
"""
for check_name in checks:
idx = None
for num, check in enumerate(checksd['initialized_checks']):
if check.name == check_name:
idx = num
# stop the existing check before reloading it
check.stop()
if not idx and check_name in checksd['init_failed_checks']:
# if the check previously failed to load, pop it from init_failed_checks
checksd['init_failed_checks'].pop(check_name)
fresh_check = load_check(self._agentConfig, hostname, check_name)
# this is an error dict
# checks that failed to load are added to init_failed_checks
# and poped from initialized_checks
if isinstance(fresh_check, dict) and 'error' in fresh_check.keys():
checksd['init_failed_checks'][fresh_check.keys()
[0]] = fresh_check.values()[0]
if idx:
checksd['initialized_checks'].pop(idx)
elif not fresh_check:
# no instance left of it to monitor so the check was not loaded
if idx:
checksd['initialized_checks'].pop(idx)
# the check was not previously running so we were trying to instantiate it and it failed
else:
log.error(
"Configuration for check %s was not found, it won't be reloaded."
% check_name)
# successfully reloaded check are added to initialized_checks
# (appended or replacing a previous version)
else:
if idx is not None:
checksd['initialized_checks'][idx] = fresh_check
# it didn't exist before and doesn't need to be replaced so we append it
else:
checksd['initialized_checks'].append(fresh_check)
def refresh_specific_checks(self, hostname, checksd, checks):
"""take a list of checks and for each of them:
- remove it from the init_failed_checks if it was there
- load a fresh config for it
- replace its old config with the new one in initialized_checks if there was one
- disable the check if no new config was found
- otherwise, append it to initialized_checks
"""
for check_name in checks:
idx = None
for num, check in enumerate(checksd['initialized_checks']):
if check.name == check_name:
idx = num
# stop the existing check before reloading it
check.stop()
if not idx and check_name in checksd['init_failed_checks']:
# if the check previously failed to load, pop it from init_failed_checks
checksd['init_failed_checks'].pop(check_name)
fresh_check = load_check(self._agentConfig, hostname, check_name)
# this is an error dict
# checks that failed to load are added to init_failed_checks
# and poped from initialized_checks
if isinstance(fresh_check, dict) and 'error' in fresh_check.keys():
checksd['init_failed_checks'][fresh_check.keys()[0]] = fresh_check.values()[0]
if idx:
checksd['initialized_checks'].pop(idx)
elif not fresh_check:
# no instance left of it to monitor so the check was not loaded
if idx:
checksd['initialized_checks'].pop(idx)
# the check was not previously running so we were trying to instantiate it and it failed
else:
log.error("Configuration for check %s was not found, it won't be reloaded." % check_name)
# successfully reloaded check are added to initialized_checks
# (appended or replacing a previous version)
else:
if idx is not None:
checksd['initialized_checks'][idx] = fresh_check
# it didn't exist before and doesn't need to be replaced so we append it
else:
checksd['initialized_checks'].append(fresh_check)
