def _StartKindCluster(cluster_name):
"""Starts a kind kubernetes cluster.
Starts a cluster if a cluster with that name isn't already running.
Args:
cluster_name: Name of the kind cluster.
"""
if not _IsKindClusterUp(cluster_name):
cmd = [_FindKind(), 'create', 'cluster', '--name', cluster_name]
print("Creating local development environment '%s' ..." % cluster_name)
run_subprocess.Run(cmd, timeout_sec=150, show_output=True)
print('Development environment created.')
def _EnsureDockerRunning():
"""Make sure docker is running."""
docker = file_utils.FindExecutableOnPath('docker')
if not docker:
raise RuntimeMissingDependencyError(
'Cannot locate docker on $PATH. Install docker from '
'https://docs.docker.com/get-docker/.')
try:
# docker info returns 0 if it can connect to the docker daemon and
# returns a non-zero error code if it cannot. run_subprocess
# checks raises an error if the process does not return 0.
run_subprocess.Run([docker, 'info'],
timeout_sec=20,
show_output=_IsDebug())
except subprocess.CalledProcessError:
raise RuntimeMissingDependencyError(
'Unable to reach docker daemon. Make sure docker is running '
'and reachable.')
def _StartMinikubeCluster(cluster_name, vm_driver):
"""Starts a minikube cluster."""
if not _IsMinikubeClusterUp(cluster_name):
cmd = [
_FindMinikube(),
'start',
'-p',
cluster_name,
'--keep-context',
'--interactive=false',
'--delete-on-failure',
'--install-addons=false',
]
if vm_driver:
cmd.append('--vm-driver=' + vm_driver)
if vm_driver == 'docker':
cmd.append('--container-runtime=docker')
print("Starting development environment '%s' ..." % cluster_name)
run_subprocess.Run(cmd, show_output=False)
print('Development environment created.')
def _CreateNamespace(namespace, context_name=None):
cmd = [_FindKubectl()]
if context_name:
cmd += ['--context', context_name]
cmd += ['create', 'namespace', namespace]
run_subprocess.Run(cmd, show_output=False)
