def _StartMinikubeCluster(cluster_name, vm_driver, debug=False):
"""Starts a minikube cluster."""
# pylint: disable=broad-except
try:
if not _IsMinikubeClusterUp(cluster_name):
cmd = [
_FindMinikube(),
'start',
'-p',
cluster_name,
'--keep-context',
'--interactive=false',
'--delete-on-failure',
'--install-addons=false',
'--output=json',
]
if vm_driver:
cmd.append('--vm-driver=' + vm_driver)
if vm_driver == 'docker':
cmd.append('--container-runtime=docker')
if debug:
cmd.extend(['--alsologtostderr', '-v8'])
start_msg = "Starting development environment '%s' ..." % cluster_name
with console_io.ProgressBar(start_msg) as progress_bar:
for json_obj in run_subprocess.StreamOutputJson(
cmd, event_timeout_sec=90, show_stderr=debug):
if debug:
print('minikube', json_obj)
_HandleMinikubeStatusEvent(progress_bar, json_obj)
except Exception as e:
six.reraise(MinikubeStartError, e, sys.exc_info()[2])
def testNoTimeoutIfProgressEventsComeFastEnough(self):
tuple(
run_subprocess.StreamOutputJson(cmd=[
'bash', '-c',
'sleep .4; echo {}; sleep .4; echo {}; sleep .4; echo {}'
],
event_timeout_sec=0.9))
def testJsonObjects(self):
objs = [{'one': 'two', 'three': 4}, {'five': {'six': 'seven'}}]
text = ''.join(json.dumps(obj) + '\n' for obj in objs)
with cross_platform_temp_file.NamedTempFile(text) as multi_line_file:
cmd = ['cat', multi_line_file.name]
self.assertSequenceEqual(
tuple(
run_subprocess.StreamOutputJson(cmd,
event_timeout_sec=10)),
objs)
def testExitNonZero(self):
with self.assertRaises(subprocess.CalledProcessError):
tuple(
run_subprocess.StreamOutputJson(['bash', '-c', 'exit 1'],
event_timeout_sec=1))
def testTimeout(self):
with self.assertRaises(utils.TimeoutError):
tuple(
run_subprocess.StreamOutputJson(
cmd=['bash', '-c', 'sleep 2; echo {}'],
event_timeout_sec=0.1))