def are_backups_currently_running(self, db):
'''Are there any backups currently running for this host?
:rtype: Boolean indicating whether there are any backups running
'''
nabsupp.clear_stale_backup_pids(db, self)
return len(self.backups_with_pids()) > 0
def test_BackupsWithPids(self):
'''Test finding backups that have PIDs and clearing them.
'''
import os
import random
import nabsupp
db = nabdb.session()
# load the database with the schema test
schema_basic(db)
client1 = db.query(Host).filter_by(hostname='client1.example.com'
).first()
def add_more_backups(db, with_known_pid=False):
for i in range(10):
backup = Backup(client1, 'monthly', full_checksum=False)
if with_known_pid:
backup.backup_pid = os.getpid()
with_known_pid = False
else:
for foo in range(100):
pid = random.randint(1000, 60000)
try:
os.kill(pid, 0)
except OSError:
backup.backup_pid = pid
break
else:
raise ValueError('Unable to find free PID.')
db.add(backup)
db.commit()
add_more_backups(db)
self.assertEqual(client1.are_backups_currently_running(db), False)
self.assertEqual(len(client1.backups_with_pids()), 0)
add_more_backups(db)
self.assertEqual(len(client1.backups_with_pids()), 10)
nabsupp.clear_stale_backup_pids(db, client1)
self.assertEqual(len(client1.backups_with_pids()), 0)
self.assertEqual(client1.are_backups_currently_running(db), False)
add_more_backups(db, with_known_pid=True)
self.assertEqual(len(client1.backups_with_pids()), 10)
self.assertEqual(client1.are_backups_currently_running(db), True)
nabsupp.clear_stale_backup_pids(db, client1)
self.assertEqual(len(client1.backups_with_pids()), 1)
self.assertEqual(client1.are_backups_currently_running(db), True)