def _SetCronEnabledBit(self, cronjob_id, enabled, cursor=None):
res = cursor.execute(
"UPDATE cron_jobs SET enabled=%d WHERE job_id=%%s" % int(enabled),
[cronjob_id])
if res != 1:
raise db.UnknownCronJobError("CronJob with id %s not found." %
cronjob_id)
def DeleteCronJob(self, cronjob_id):
"""Deletes a cronjob."""
if cronjob_id not in self.cronjobs:
raise db.UnknownCronJobError("Cron job %s not known." % cronjob_id)
del self.cronjobs[cronjob_id]
try:
del self.cronjob_leases[cronjob_id]
except KeyError:
pass
def WriteCronJobRun(self, run_object):
"""Stores a cron job run object in the database."""
if run_object.cron_job_id not in self.cronjobs:
raise db.UnknownCronJobError(
"Job with id %s not found." % run_object.cron_job_id)
clone = run_object.Copy()
clone.timestamp = rdfvalue.RDFDatetime.Now()
self.cronjob_runs[(clone.cron_job_id, clone.run_id)] = clone
def DeleteCronJob(self, cronjob_id):
"""Deletes a cronjob along with all its runs."""
if cronjob_id not in self.cronjobs:
raise db.UnknownCronJobError("Cron job %s not known." % cronjob_id)
del self.cronjobs[cronjob_id]
try:
del self.cronjob_leases[cronjob_id]
except KeyError:
pass
for job_run in self.ReadCronJobRuns(cronjob_id):
del self.cronjob_runs[(cronjob_id, job_run.run_id)]
def ReadCronJobs(self, cronjob_ids=None):
"""Reads a cronjob from the database."""
if cronjob_ids is None:
res = [job.Copy() for job in itervalues(self.cronjobs)]
else:
res = []
for job_id in cronjob_ids:
try:
res.append(self.cronjobs[job_id].Copy())
except KeyError:
raise db.UnknownCronJobError(
"Cron job with id %s not found." % job_id)
for job in res:
lease = self.cronjob_leases.get(job.cron_job_id)
if lease:
job.leased_until, job.leased_by = lease
return res
def WriteCronJobRun(self, run_object, cursor=None):
"""Stores a cron job run object in the database."""
query = ("INSERT INTO cron_job_runs "
"(job_id, run_id, write_time, run) "
"VALUES (%s, %s, %s, %s) "
"ON DUPLICATE KEY UPDATE "
"run=VALUES(run), write_time=VALUES(write_time)")
write_time_str = mysql_utils.RDFDatetimeToMysqlString(
rdfvalue.RDFDatetime.Now())
try:
cursor.execute(query, [
run_object.cron_job_id,
run_object.run_id,
write_time_str,
run_object.SerializeToString(),
])
except MySQLdb.IntegrityError as e:
raise db.UnknownCronJobError(
"CronJob with id %s not found." % run_object.cron_job_id, cause=e)
def ReadCronJobs(self, cronjob_ids=None, cursor=None):
"""Reads all cronjobs from the database."""
query = ("SELECT job, create_time, enabled, forced_run_requested, "
"last_run_status, last_run_time, current_run_id, state, "
"leased_until, leased_by "
"FROM cron_jobs")
if cronjob_ids is None:
cursor.execute(query)
return [self._CronJobFromRow(row) for row in cursor.fetchall()]
query += " WHERE job_id IN (%s)" % ", ".join(["%s"] * len(cronjob_ids))
cursor.execute(query, cronjob_ids)
res = []
for row in cursor.fetchall():
res.append(self._CronJobFromRow(row))
if len(res) != len(cronjob_ids):
missing = set(cronjob_ids) - set([c.cron_job_id for c in res])
raise db.UnknownCronJobError(
"CronJob(s) with id(s) %s not found." % missing)
return res
def UpdateCronJob(self,
cronjob_id,
last_run_status=db.Database.unchanged,
last_run_time=db.Database.unchanged,
current_run_id=db.Database.unchanged,
state=db.Database.unchanged,
forced_run_requested=db.Database.unchanged):
"""Updates run information for an existing cron job."""
job = self.cronjobs.get(cronjob_id)
if job is None:
raise db.UnknownCronJobError("Cron job %s not known." % cronjob_id)
if last_run_status != db.Database.unchanged:
job.last_run_status = last_run_status
if last_run_time != db.Database.unchanged:
job.last_run_time = last_run_time
if current_run_id != db.Database.unchanged:
job.current_run_id = current_run_id
if state != db.Database.unchanged:
job.state = state
if forced_run_requested != db.Database.unchanged:
job.forced_run_requested = forced_run_requested
def UpdateCronJob(self,
cronjob_id,
last_run_status=db.Database.unchanged,
last_run_time=db.Database.unchanged,
current_run_id=db.Database.unchanged,
state=db.Database.unchanged,
forced_run_requested=db.Database.unchanged,
cursor=None):
"""Updates run information for an existing cron job."""
updates = []
args = []
if last_run_status != db.Database.unchanged:
updates.append("last_run_status=%s")
args.append(int(last_run_status))
if last_run_time != db.Database.unchanged:
updates.append("last_run_time=%s")
args.append(mysql_utils.RDFDatetimeToMysqlString(last_run_time))
if current_run_id != db.Database.unchanged:
updates.append("current_run_id=%s")
args.append(mysql_utils.CronJobRunIDToInt(current_run_id))
if state != db.Database.unchanged:
updates.append("state=%s")
args.append(state.SerializeToString())
if forced_run_requested != db.Database.unchanged:
updates.append("forced_run_requested=%s")
args.append(forced_run_requested)
if not updates:
return
query = "UPDATE cron_jobs SET "
query += ", ".join(updates)
query += " WHERE job_id=%s"
res = cursor.execute(query, args + [cronjob_id])
if res != 1:
raise db.UnknownCronJobError("CronJob with id %s not found." %
cronjob_id)
def DisableCronJob(self, cronjob_id):
"""Disables a cronjob."""
job = self.cronjobs.get(cronjob_id)
if job is None:
raise db.UnknownCronJobError("Cron job %s not known." % cronjob_id)
job.enabled = False
def DeleteCronJob(self, cronjob_id, cursor=None):
res = cursor.execute("DELETE FROM cron_jobs WHERE job_id=%s", [cronjob_id])
if res != 1:
raise db.UnknownCronJobError("CronJob with id %s not found." % cronjob_id)