def _GetMinikubeDockerEnvs(cluster_name):
"""Get the docker environment settings for a given cluster."""
cmd = [_FindMinikube(), 'docker-env', '-p', cluster_name, '--shell=none']
lines = run_subprocess.GetOutputLines(cmd, timeout_sec=20)
return dict(
line.split('=', 1) for line in lines
if line and not line.startswith('#'))
def _NamespaceExists(namespace, context_name=None):
cmd = [_FindKubectl()]
if context_name:
cmd += ['--context', context_name]
cmd += ['get', 'namespaces', '-o', 'name']
namespaces = run_subprocess.GetOutputLines(cmd, show_stderr=False)
return 'namespace/' + namespace in namespaces
def testCanStripWhitespaceAtEnds(self):
with cross_platform_temp_file.NamedTempFile(
'\none\ntwo\n\n') as multi_line_file:
lines = run_subprocess.GetOutputLines(
['cat', multi_line_file.name],
timeout_sec=10,
strip_output=True)
self.assertEqual(lines, ['one', 'two'])
def _IsKindClusterUp(cluster_name):
"""Checks if a cluster is running.
Args:
cluster_name: Name of the cluster
Returns:
True if a cluster with the given name is running.
"""
cmd = [_FindKind(), 'get', 'clusters']
clusters = run_subprocess.GetOutputLines(
cmd, timeout_sec=20, show_stderr=False, strip_output=True)
return cluster_name in clusters
def testReturnsCommandOutputLines(self):
with cross_platform_temp_file.NamedTempFile(
'one\ntwo') as multi_line_file:
lines = run_subprocess.GetOutputLines(
['cat', multi_line_file.name], timeout_sec=10)
self.assertEqual(lines, ['one', 'two'])
def testReturnsErrorCode(self):
with self.assertRaises(subprocess.CalledProcessError) as raised:
run_subprocess.GetOutputLines(['diff', 'nonexist', 'nonexist2'],
timeout_sec=10)
self.assertEqual(raised.exception.returncode, 2)
def testCanHideStderr(self):
run_subprocess.GetOutputLines(
['bash', '-c', 'echo should not see this in test log >&2'],
timeout_sec=10,
show_stderr=False)