def test_marathon_backup_and_check_apps(marathon_service_name):
backup_file1 = 'backup1.tar'
backup_file2 = 'backup2.tar'
backup_dir = '/tmp'
for master_ip in get_all_master_ips():
run_command(master_ip, "rm {}/{}".format(backup_dir, backup_file1))
run_command(master_ip, "rm {}/{}".format(backup_dir, backup_file2))
backup_url1 = 'file://{}/{}'.format(backup_dir, backup_file1)
backup_url2 = 'file://{}/{}'.format(backup_dir, backup_file2)
original_leader = marathon_leader_ip()
print('leader: {}'.format(original_leader))
app_def = apps.sleep_app()
app_id = app_def['id']
client = marathon.create_client()
client.add_app(app_def)
common.deployment_wait(service_id=app_id)
app = client.get_app(app_id)
assert app[
'tasksRunning'] == 1, "The number of running tasks is {}, but 1 was expected".format(
app["tasksRunning"])
# Abdicate the leader with backup
original_leader = marathon_leader_ip()
params = '?backup={}'.format(backup_url1)
common.abdicate_marathon_leader(params)
common.wait_for_service_endpoint(marathon_service_name,
timedelta(minutes=5).total_seconds(),
path="ping")
# wait until leader changed
common.assert_marathon_leadership_changed(original_leader)
@retrying.retry(wait_fixed=1000,
stop_max_attempt_number=30,
retry_on_exception=common.ignore_exception)
def check_app_existence(expected_instances):
try:
app = client.get_app(app_id)
except Exception as e:
if expected_instances != 0:
raise e
else:
if expected_instances == 0:
assert False, "The application resurrected"
else:
app['tasksRunning'] == expected_instances, \
"The number of running tasks is {}, but {} was expected".format(
app["tasksRunning"], expected_instances)
# check if app definition is still there and one instance is still running after new leader was elected
check_app_existence(1)
# then remove
client.remove_app(app_id)
common.deployment_wait(service_id=app_id)
check_app_existence(0)
# Do a second backup. Before MARATHON-7525 we had the problem, that doing a backup after an app was deleted
# leads to the state that marathon was not able to re-start, because the second backup failed constantly.
# Abdicate the leader with backup
original_leader = marathon_leader_ip()
print('leader: {}'.format(original_leader))
params = '?backup={}'.format(backup_url2)
print('DELETE /v2/leader{}'.format(params))
common.abdicate_marathon_leader(params)
common.wait_for_service_endpoint(marathon_service_name,
timedelta(minutes=5).total_seconds(),
path="ping")
# wait until leader changed
# if leader changed, this means that marathon was able to start again, which is great :-).
common.assert_marathon_leadership_changed(original_leader)
# check if app definition is still not there and no instance is running after new leader was elected
check_app_existence(0)
def all_master_ips():
return get_all_master_ips()
def test_marathon_backup_and_check_apps(marathon_service_name):
backup_file1 = 'backup1.tar'
backup_file2 = 'backup2.tar'
backup_dir = '/tmp'
for master_ip in get_all_master_ips():
run_command(master_ip, "rm {}/{}".format(backup_dir, backup_file1))
run_command(master_ip, "rm {}/{}".format(backup_dir, backup_file2))
backup_url1 = 'file://{}/{}'.format(backup_dir, backup_file1)
backup_url2 = 'file://{}/{}'.format(backup_dir, backup_file2)
original_leader = marathon_leader_ip()
print('leader: {}'.format(original_leader))
app_def = apps.sleep_app()
app_id = app_def['id']
client = marathon.create_client()
client.add_app(app_def)
deployment_wait(service_id=app_id)
app = client.get_app(app_id)
assert app['tasksRunning'] == 1, "The number of running tasks is {}, but 1 was expected".format(app["tasksRunning"])
# Abdicate the leader with backup
original_leader = marathon_leader_ip()
params = '?backup={}'.format(backup_url1)
common.abdicate_marathon_leader(params)
wait_for_service_endpoint(marathon_service_name, timedelta(minutes=5).total_seconds(), path="ping")
# wait until leader changed
common.assert_marathon_leadership_changed(original_leader)
@retrying.retry(wait_fixed=1000, stop_max_attempt_number=30, retry_on_exception=common.ignore_exception)
def check_app_existence(expected_instances):
try:
app = client.get_app(app_id)
except Exception as e:
if expected_instances != 0:
raise e
else:
if expected_instances == 0:
assert False, "The application resurrected"
else:
app['tasksRunning'] == expected_instances, \
"The number of running tasks is {}, but {} was expected".format(
app["tasksRunning"], expected_instances)
# check if app definition is still there and one instance is still running after new leader was elected
check_app_existence(1)
# then remove
client.remove_app(app_id)
deployment_wait(service_id=app_id)
check_app_existence(0)
# Do a second backup. Before MARATHON-7525 we had the problem, that doing a backup after an app was deleted
# leads to the state that marathon was not able to re-start, because the second backup failed constantly.
# Abdicate the leader with backup
original_leader = marathon_leader_ip()
print('leader: {}'.format(original_leader))
params = '?backup={}'.format(backup_url2)
print('DELETE /v2/leader{}'.format(params))
common.abdicate_marathon_leader(params)
wait_for_service_endpoint(marathon_service_name, timedelta(minutes=5).total_seconds(), path="ping")
# wait until leader changed
# if leader changed, this means that marathon was able to start again, which is great :-).
common.assert_marathon_leadership_changed(original_leader)
# check if app definition is still not there and no instance is running after new leader was elected
check_app_existence(0)