def api_vacuum(http_context, queue_in = None, config = None, sessions = None, commands = None):
set_logger_name("administration")
worker = b'vacuum'
# Get a new logger.
logger = get_logger(config)
try:
check_sessionid(http_context['headers'], sessions)
post = http_context['post']
# Check POST parameters.
validate_parameters(post, [
('database', T_OBJECTNAME, False),
('table', T_OBJECTNAME, False),
('mode', T_VACUUMMODE, False)
])
# Serialize parameters.
parameters = base64.b64encode(
pickle.dumps({
'database': post['database'],
'table': post['table'],
'mode': post['mode']
})).decode('utf-8')
except (Exception, HTTPError) as e:
logger.traceback(get_tb())
logger.error(str(e))
if isinstance(e, HTTPError):
raise e
else:
raise HTTPError(500, "Internal error.")
# Check command uniqueness.
try:
commands.check_uniqueness(worker, parameters)
except SharedItem_exists as e:
logger.traceback(get_tb())
logger.error(str(e))
raise HTTPError(402, "Vaccum '%s' already running on table '%s'." % (post['mode'], post['table']))
cid = hash_id(worker + b'-' + parameters.encode('utf-8'))
command = Command(
cid.encode('utf-8'),
time.time(),
0,
worker,
parameters,
0,
u'')
try:
commands.add(command)
# Put the Command in the command queue
queue_in.put(command)
return {"cid": cid}
except SharedItem_no_free_slot_left as e:
logger.traceback(get_tb())
logger.error(str(e))
raise HTTPError(500, "Internal error.")
def schedule_worker(queue_in, config, commands, worker, parameters=''):
# Check command uniqueness.
try:
commands.check_uniqueness(worker, parameters)
except SharedItem_exists:
return
cid = hash_id(worker)
command = Command(cid.encode('utf-8'), time.time(), 0, worker, parameters,
0, u'')
try:
commands.add(command)
# Put the Command in the command queue
queue_in.put(command)
return
except SharedItem_no_free_slot_left:
return