def test_update_app_poor_health():
""" Tests updating an app with an automatic rollback due to poor health.
"""
app_id = uuid.uuid4().hex
app_def = readiness_and_health_app()
app_def['id'] = app_id
with marathon_on_marathon():
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
# start with 1
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
# provides a testing delay to rollback from
app_def['healthChecks'][0]['path'] = '/non-existant'
app_def['instances'] = 2
deployment_id = client.update_app(app_id, app_def)
# 2 min wait
try:
shakedown.deployment_wait()
except:
client.rollback_deployment(deployment_id)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
def test_update_app_poor_health():
""" Tests updating an app with an automatic rollback due to poor health.
"""
app_id = uuid.uuid4().hex
app_def = readiness_and_health_app()
app_def['id'] = app_id
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
# start with 1
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
# provides a testing delay to rollback from
app_def['healthChecks'][0]['path'] = '/non-existant'
app_def['instances'] = 2
deployment_id = client.update_app(app_id, app_def)
# 2 min wait
try:
shakedown.deployment_wait()
except:
client.rollback_deployment(deployment_id)
shakedown.deployment_wait()
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
def test_update_app_rollback():
""" Tests updating an app then rolling back the update.
"""
app_id = uuid.uuid4().hex
app_def = readiness_and_health_app()
app_def['id'] = app_id
with marathon_on_marathon():
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
# start with 1
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
app_def['instances'] = 2
client.update_app(app_id, app_def)
shakedown.deployment_wait()
# update works to 2
tasks = client.get_tasks(app_id)
assert len(tasks) == 2
# provides a testing delay to rollback from
app_def['readinessChecks'][0]['intervalSeconds'] = 30
app_def['instances'] = 1
deployment_id = client.update_app(app_id, app_def)
client.rollback_deployment(deployment_id)
shakedown.deployment_wait()
# update to 1 instance is rollback to 2
tasks = client.get_tasks(app_id)
assert len(tasks) == 2
def test_update_app_rollback():
""" Tests updating an app then rolling back the update.
"""
app_id = uuid.uuid4().hex
app_def = readiness_and_health_app()
app_def['id'] = app_id
client = marathon.create_client()
client.add_app(app_def)
shakedown.deployment_wait()
# start with 1
tasks = client.get_tasks(app_id)
assert len(tasks) == 1
app_def['instances'] = 2
client.update_app(app_id, app_def)
shakedown.deployment_wait()
# update works to 2
tasks = client.get_tasks(app_id)
assert len(tasks) == 2
# provides a testing delay to rollback from
app_def['readinessChecks'][0]['intervalSeconds'] = 30
app_def['instances'] = 1
deployment_id = client.update_app(app_id, app_def)
client.rollback_deployment(deployment_id)
shakedown.deployment_wait()
# update to 1 instance is rollback to 2
tasks = client.get_tasks(app_id)
assert len(tasks) == 2
