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How to use list_namespaces method in tempest

Best Python code snippet using tempest_python

cli.py

Source:cli.py

1import click, yaml, errno, os2from ksns.client import K8s3from ksns.const import homedir, env_kubeconfig, path_kubeconfig, NAMESPACE_STATUS4@click.group()5def main():6    """ 7NOTE: Set the KUBECONFIG environment variable or ~/.kube/config will be considered8\b9USAGE: 10    1. list namespaces : ksns list11    2. switch namespaces: ksns ns <namespace_name>12    """13    pass14@main.command()15def list() -> None:16    """ List of namespaces in context """17    if not env_kubeconfig:18        kubeconfig = homedir + path_kubeconfig19    else:20        kubeconfig = env_kubeconfig21    if not os.path.exists(kubeconfig) and not env_kubeconfig:22        click.secho(f"You need to store kubeconfig file in path '{kubeconfig}'", fg='red', nl=True)23        click.secho(f"OR set environment variable via, export KUBECONFIG=<kubeconfig path>", fg='red', nl=True)24        raise click.Abort()25    try:26        kctx = K8s(configuration_yaml=kubeconfig)27        list_namespaces = kctx.client.list_namespace(watch=False)28        current_namespace = kctx.config['contexts'][0]['context']['namespace']29        for i in list_namespaces.items:30            namespace = i.metadata.name31            if namespace == current_namespace:32                fg = 'yellow'33            else: 34                fg = 'green'35            click.secho(namespace, fg=fg, nl=True)36        click.secho(f"note: using config: {kubeconfig}", fg='blue', nl=True)37    except Exception as error:38        click.secho(f"Caught this error: '{repr(error)}'", fg='red', nl=True)39@main.command()40@click.argument('namespace', type=str, default='default')41def ns(namespace) -> None:42    """ Switch to another namespace: <namespace_name>"""43    namespace_arr = []44    if not env_kubeconfig:45        kubeconfig = homedir + path_kubeconfig46    else:47        kubeconfig = env_kubeconfig48    if not os.path.exists(kubeconfig) and not env_kubeconfig:49        click.secho(f"You need to store kubeconfig file in path '{kubeconfig}'", fg='red', nl=True)50        click.secho(f"OR set environment variable via, export KUBECONFIG=<kubeconfig path>", fg='red', nl=True)51        raise click.Abort()52    try:53        kctx = K8s(configuration_yaml=kubeconfig)54        list_namespaces = kctx.client.list_namespace(watch=False)55        for i in list_namespaces.items:56            namespace_arr.append(i.metadata.name)57        if namespace not in namespace_arr:58            click.secho(f"Specified namespace '{namespace}' is not valid.", fg='red', nl=True)59            raise click.Abort()60        current_namespace = kctx.config['contexts'][0]['context']['namespace']61        with open(kubeconfig) as file:62            getconfig = yaml.load(file, Loader=yaml.FullLoader)63        with open(kubeconfig, 'w') as config_file:64            getconfig['contexts'][0]['context']['namespace'] = namespace65            sort_file = yaml.dump(getconfig, config_file, sort_keys=True)66        67        click.secho(f"switched to {namespace} namespace", fg='green', nl=True)68        click.secho(f"using config: {kubeconfig}", fg='blue', nl=True)69    except Exception as error:70        click.secho(f"Caught this error: '{repr(error)}'", fg='red', nl=True)71        72    73if __name__ == "__main__":...

delete_namespace.py

Source:delete_namespace.py

...17args = parser.parse_args()18namespace_name = args.namespace_name19verbose = args.verbose20cloudmap = boto3.client('servicediscovery')21list_namespaces = cloudmap.list_namespaces()22if list_namespaces['ResponseMetadata']['HTTPStatusCode'] < 400:23    # Find namespace24    for namespace in list_namespaces['Namespaces']:25        if namespace['Name'] == namespace_name:26            # Services27            list_services = cloudmap.list_services(Filters=[{'Name': 'NAMESPACE_ID','Values':[namespace['Id']],'Condition': 'EQ'}])28            for service in list_services['Services']:29                # Service Instances30                list_instances = cloudmap.list_instances(ServiceId=service['Id'])31                for instance in list_instances['Instances']:32                    cloudmap.deregister_instance(ServiceId=service['Id'],InstanceId=instance['Id'])33                    if verbose:34                        print("Deregistered: " + instance['Id'] + ' from service '+ service['Name'])35                    ...

quickstart.py

Source:quickstart.py

...13# See the License for the specific language governing permissions and14# limitations under the License.15# [START servicedirectory_quickstart]16from google.cloud import servicedirectory_v117def list_namespaces(project_id, location_id):18    """Lists all namespaces in the given location."""19    client = servicedirectory_v1.RegistrationServiceClient()20    response = client.list_namespaces(21        parent=f'projects/{project_id}/locations/{location_id}')22    print(f'Listed namespaces in {location_id}.')23    for namespace in response:24        print(f'Namespace: {namespace.name}')25    return response...

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