def get_status_from_coordinator():
with closing(PrestoClient(get_coordinator_role()[0], env.user)) as client:
try:
coordinator_status = run_sql(client, SYSTEM_RUNTIME_NODES)
catalog_status = get_catalog_info_from(client)
except BaseException as e:
# Just log errors that come from a missing port or anything else; if
# we can't connect to the coordinator, we just want to print out a
# minimal status anyway.
_LOGGER.warn(e.message)
coordinator_status = []
catalog_status = []
with settings(hide('running')):
node_information = execute(collect_node_information,
hosts=get_host_list())
for host in get_host_list():
if isinstance(node_information[host], Exception):
external_ip = 'Unknown'
is_running = False
error_message = node_information[host].message
else:
(external_ip, is_running,
error_message) = node_information[host]
print_status_header(external_ip, is_running, host)
if error_message:
print('\t' + error_message)
elif not coordinator_status:
print(
'\tNo information available: unable to query coordinator')
elif not is_running:
print('\tNo information available')
else:
version_string = get_presto_version()
version = strip_tag(split_version(version_string))
query, processor = NODE_INFO_PER_URI_SQL.for_version(version)
# just get the node_info row for the host if server is up
node_info_row = run_sql(client, query % external_ip)
node_status = processor(node_info_row)
if node_status:
print_node_info(node_status, catalog_status)
else:
print(
'\tNo information available: the coordinator has not yet'
' discovered this node')
def get_status_from_coordinator():
client = PrestoClient(get_coordinator_role()[0], env.user)
try:
coordinator_status = run_sql(client, SYSTEM_RUNTIME_NODES)
connector_status = get_connector_info_from(client)
except BaseException as e:
# Just log errors that come from a missing port or anything else; if
# we can't connect to the coordinator, we just want to print out a
# minimal status anyway.
_LOGGER.warn(e.message)
coordinator_status = []
connector_status = []
with settings(hide('running')):
node_information = execute(collect_node_information,
hosts=get_host_list())
for host in get_host_list():
if isinstance(node_information[host], Exception):
external_ip = 'Unknown'
is_running = False
error_message = node_information[host].message
else:
(external_ip, is_running, error_message) = node_information[host]
print_status_header(external_ip, is_running, host)
if error_message:
print('\t' + error_message)
elif not coordinator_status:
print('\tNo information available: unable to query coordinator')
elif not is_running:
print('\tNo information available')
else:
version_string = get_presto_version()
version = strip_tag(split_version(version_string))
query, processor = NODE_INFO_PER_URI_SQL.for_version(version)
# just get the node_info row for the host if server is up
node_info_row = run_sql(client, query % external_ip)
node_status = processor(node_info_row)
if node_status:
print_node_info(node_status, connector_status)
else:
print('\tNo information available: the coordinator has not yet'
' discovered this node')
def test_split(self):
self.assertEqual(['1', '2', '3'], split_version(' \t 1.2.3 \t '))
self.assertEqual(['0', '115t'], split_version('0.115t'))
def test_split(self):
self.assertEqual(['1', '2', '3'], split_version(' \t 1.2.3 \t '))
self.assertEqual(['0', '115t'], split_version('0.115t'))
self.assertEqual(['0', '115t', 'SNAPSHOT'],
split_version('0.115t-SNAPSHOT'))
