def delete(self, name):
"""Delete cron trigger."""
acl.enforce('cron_triggers:delete', context.ctx())
LOG.info("Delete cron trigger [name=%s]" % name)
triggers.delete_cron_trigger(name)
def delete(self, identifier):
"""Delete cron trigger.
:param identifier: Id or name of cron trigger to delete
"""
acl.enforce('cron_triggers:delete', context.ctx())
LOG.debug("Delete cron trigger [identifier=%s]", identifier)
triggers.delete_cron_trigger(identifier)
def delete(self, name):
"""Delete cron trigger.
:param name: Name of cron trigger to delete
"""
acl.enforce('cron_triggers:delete', context.ctx())
LOG.info("Delete cron trigger [name=%s]", name)
triggers.delete_cron_trigger(name)
def advance_cron_trigger(t):
modified_count = 0
try:
# If the cron trigger is defined with limited execution count.
if t.remaining_executions is not None and t.remaining_executions > 0:
t.remaining_executions -= 1
# If this is the last execution.
if t.remaining_executions == 0:
modified_count = triggers.delete_cron_trigger(t.name,
trust_id=t.trust_id,
delete_trust=False)
else: # if remaining execution = None or > 0.
# In case the we are lagging or if the api stopped for some time
# we use the max of the current time or the next scheduled time.
next_time = triggers.get_next_execution_time(
t.pattern,
max(datetime.datetime.utcnow(), t.next_execution_time))
# Update the cron trigger with next execution details
# only if it wasn't already updated by a different process.
updated, modified_count = db_api_v2.update_cron_trigger(
t.name, {
'next_execution_time': next_time,
'remaining_executions': t.remaining_executions
},
query_filter={'next_execution_time': t.next_execution_time})
except exc.DBEntityNotFoundError as e:
# Cron trigger was probably already deleted by a different process.
LOG.debug("Cron trigger named '%s' does not exist anymore: %s", t.name,
str(e))
# Return True if this engine was able to modify the cron trigger in DB.
return modified_count > 0
def advance_cron_trigger(t):
modified_count = 0
try:
# If the cron trigger is defined with limited execution count.
if t.remaining_executions is not None and t.remaining_executions > 0:
t.remaining_executions -= 1
# If this is the last execution.
if t.remaining_executions == 0:
modified_count = triggers.delete_cron_trigger(
t.name,
trust_id=t.trust_id,
delete_trust=False
)
else: # if remaining execution = None or > 0.
# In case the we are lagging or if the api stopped for some time
# we use the max of the current time or the next scheduled time.
next_time = triggers.get_next_execution_time(
t.pattern,
max(datetime.datetime.utcnow(), t.next_execution_time)
)
# Update the cron trigger with next execution details
# only if it wasn't already updated by a different process.
updated, modified_count = db_api_v2.update_cron_trigger(
t.name,
{
'next_execution_time': next_time,
'remaining_executions': t.remaining_executions
},
query_filter={
'next_execution_time': t.next_execution_time
}
)
except exc.DBEntityNotFoundError as e:
# Cron trigger was probably already deleted by a different process.
LOG.debug(
"Cron trigger named '%s' does not exist anymore: %s",
t.name, str(e)
)
# Return True if this engine was able to modify the cron trigger in DB.
return modified_count > 0
