def test_launch_container_with_persistent_volume():
""" Tests launching a task with PV. It will write to a file in the PV.
The app is killed and restarted and we can still read from the PV.
"""
app_def = persistent_volume_app()
app_id = app_def['id']
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
port = tasks[0]['ports'][0]
host = tasks[0]['host']
cmd = "curl {}:{}/data/foo".format(host, port)
run, data = shakedown.run_command_on_master(cmd)
assert run, "{} did not succeed".format(cmd)
assert data == 'hello\n', "'{}' was not equal to hello\\n".format(data)
client.restart_app(app_id)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
port = tasks[0]['ports'][0]
host = tasks[0]['host']
cmd = "curl {}:{}/data/foo".format(host, port)
run, data = shakedown.run_command_on_master(cmd)
assert run, "{} did not succeed".format(cmd)
assert data == 'hello\nhello\n', "'{}' was not equal to hello\\nhello\\n".format(data)
def test_launch_container_with_persistent_volume():
""" Tests launching a task with PV. It will write to a file in the PV.
The app is killed and restarted and we can still read from the PV.
"""
with marathon_on_marathon():
app_def = persistent_volume_app()
app_id = app_def['id']
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
port = tasks[0]['ports'][0]
host = tasks[0]['host']
cmd = "curl {}:{}/data/foo".format(host, port)
run, data = shakedown.run_command_on_master(cmd)
assert run, "{} did not succeed".format(cmd)
assert data == 'hello\n', "'{}' was not equal to hello\\n".format(data)
client.restart_app(app_id)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
port = tasks[0]['ports'][0]
host = tasks[0]['host']
cmd = "curl {}:{}/data/foo".format(host, port)
run, data = shakedown.run_command_on_master(cmd)
assert run, "{} did not succeed".format(cmd)
assert data == 'hello\nhello\n', "'{}' was not equal to hello\\nhello\\n".format(data)
def test_launch_container_with_persistent_volume():
""" Tests launching a task with PV. It will write to a file in the PV.
The app is killed and restarted and we can still read from the PV.
"""
app_def = persistent_volume_app()
app_id = app_def['id']
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1, "Num of tasks: {} is not 1 after deployment".format(len(tasks))
port = tasks[0]['ports'][0]
host = tasks[0]['host']
cmd = "curl {}:{}/data/foo".format(host, port)
run, data = shakedown.run_command_on_master(cmd)
assert run, "{} did not succeed".format(cmd)
assert data == 'hello\n', "'{}' was not equal to hello\\n".format(data)
client.restart_app(app_id)
shakedown.deployment_wait()
@retrying.retry(wait_fixed=1000, stop_max_delay=10000, retry_on_exception=common.ignore_exception)
def check_task_recovery():
tasks = client.get_tasks(app_id)
assert len(tasks) == 1, "Num of tasks: {} is not 1 after recovery".format(len(tasks))
check_task_recovery()
port = tasks[0]['ports'][0]
host = tasks[0]['host']
cmd = "curl {}:{}/data/foo".format(host, port)
run, data = shakedown.run_command_on_master(cmd)
assert run, "{} did not succeed".format(cmd)
assert data == 'hello\nhello\n', "'{}' was not equal to hello\\nhello\\n".format(data)
