def is_host_drained(hostname):
"""Checks if a host has drained successfully by confirming it is
draining and currently running 0 tasks
:param hostname: hostname to check
:returns: True or False
"""
mesos_state = get_mesos_state_summary_from_leader()
task_counts = get_mesos_task_count_by_slave(mesos_state)
if hostname in task_counts:
slave_task_count = task_counts[hostname].count
else:
slave_task_count = 0
return is_host_draining(hostname=hostname) and slave_task_count == 0
def main():
marathon_config = None
chronos_config = None
args = parse_args()
try:
mesos_state = get_mesos_state_summary_from_leader()
except MasterNotAvailableException as e:
# if we can't connect to master at all,
# then bomb out early
print(PaastaColors.red("CRITICAL: %s" % e.message))
sys.exit(2)
mesos_state_status = get_mesos_state_status(
mesos_state=mesos_state,
)
metrics = get_mesos_stats()
mesos_metrics_status = get_mesos_metrics_health(mesos_metrics=metrics)
all_mesos_results = mesos_state_status + mesos_metrics_status
# Check to see if Marathon should be running here by checking for config
marathon_config = marathon_tools.load_marathon_config()
# Check to see if Chronos should be running here by checking for config
chronos_config = load_chronos_config()
if marathon_config:
marathon_client = get_marathon_client(marathon_config)
try:
marathon_results = get_marathon_status(marathon_client)
except MarathonError as e:
print(PaastaColors.red("CRITICAL: Unable to contact Marathon! Error: %s" % e))
sys.exit(2)
else:
marathon_results = [HealthCheckResult(message='Marathon is not configured to run here', healthy=True)]
if chronos_config:
chronos_client = get_chronos_client(chronos_config)
try:
chronos_results = get_chronos_status(chronos_client)
except (ServerNotFoundError, socket_error) as e:
print(PaastaColors.red("CRITICAL: Unable to contact Chronos! Error: %s" % e))
sys.exit(2)
else:
chronos_results = [HealthCheckResult(message='Chronos is not configured to run here', healthy=True)]
mesos_ok = all(status_for_results(all_mesos_results))
marathon_ok = all(status_for_results(marathon_results))
chronos_ok = all(status_for_results(chronos_results))
mesos_summary = generate_summary_for_check("Mesos", mesos_ok)
marathon_summary = generate_summary_for_check("Marathon", marathon_ok)
chronos_summary = generate_summary_for_check("Chronos", chronos_ok)
healthy_exit = True if all([mesos_ok, marathon_ok, chronos_ok]) else False
if args.verbose == 0:
print mesos_summary
print marathon_summary
print chronos_summary
elif args.verbose == 1:
print mesos_summary
print_results_for_healthchecks(mesos_ok, all_mesos_results, args.verbose)
print marathon_summary
print_results_for_healthchecks(marathon_ok, marathon_results, args.verbose)
print chronos_summary
print_results_for_healthchecks(chronos_ok, chronos_results, args.verbose)
else:
print mesos_summary
print_results_for_healthchecks(mesos_ok, all_mesos_results, args.verbose)
for grouping in args.groupings:
print_with_indent('Resources Grouped by %s' % grouping, 2)
resource_info_dict = get_resource_utilization_by_grouping(key_func_for_attribute(grouping), mesos_state)
all_rows = [[grouping.capitalize(), 'CPU (free/total)', 'RAM (free/total)', 'Disk (free/total)']]
table_rows = []
for attribute_value, resource_info_dict in resource_info_dict.items():
resource_utilizations = resource_utillizations_from_resource_info(
total=resource_info_dict['total'],
free=resource_info_dict['free'],
)
healthcheck_utilization_pairs = [
healthcheck_result_resource_utilization_pair_for_resource_utilization(utilization, args.threshold)
for utilization in resource_utilizations
]
healthy_exit = all(pair[0].healthy for pair in healthcheck_utilization_pairs)
table_rows.append(get_table_rows_for_resource_info_dict(
attribute_value,
healthcheck_utilization_pairs,
args.humanize
))
table_rows = sorted(table_rows, key=lambda x: x[0])
all_rows.extend(table_rows)
for line in format_table(all_rows):
print_with_indent(line, 4)
if args.verbose == 3:
print_with_indent('Per Slave Utilization', 2)
slave_resource_dict = get_resource_utilization_by_grouping(lambda slave: slave['hostname'], mesos_state)
all_rows = [['Hostname', 'CPU (free/total)', 'RAM (free/total)', 'Disk (free/total)']]
# print info about slaves here. Note that we don't make modifications to
# the healthy_exit variable here, because we don't care about a single slave
# having high usage.
for attribute_value, resource_info_dict in slave_resource_dict.items():
table_rows = []
resource_utilizations = resource_utillizations_from_resource_info(
total=resource_info_dict['total'],
free=resource_info_dict['free'],
)
healthcheck_utilization_pairs = [
healthcheck_result_resource_utilization_pair_for_resource_utilization(utilization, args.threshold)
for utilization in resource_utilizations
]
table_rows.append(get_table_rows_for_resource_info_dict(
attribute_value,
healthcheck_utilization_pairs,
args.humanize
))
table_rows = sorted(table_rows, key=lambda x: x[0])
all_rows.extend(table_rows)
for line in format_table(all_rows):
print_with_indent(line, 4)
print marathon_summary
print_results_for_healthchecks(marathon_ok, marathon_results, args.verbose)
print chronos_summary
print_results_for_healthchecks(chronos_ok, chronos_results, args.verbose)
print "Master paasta_tools version: {0}".format(__version__)
if not healthy_exit:
sys.exit(2)
else:
sys.exit(0)
