20-charm-validation.py 文件源码

def setUpClass(cls):
        cls.deployment = amulet.Deployment(series='xenial')
        with open(cls.bundle_file) as stream:
            bundle_yaml = stream.read()
        bundle = yaml.safe_load(bundle_yaml)
        if 'options' not in bundle['services']['kubernetes-worker']:
            labels = {'labels': "mylabel=thebest"}
            bundle['services']['kubernetes-worker']['options'] = labels
        else:
            if 'labels' not in bundle['services']['kubernetes-worker']['options']:
                bundle['services']['kubernetes-worker']['options']['labels'] = "mylabel=thebest"
            else:
                bundle['services']['kubernetes-worker']['options']['labels'] += " mylabel=thebest"
        cls.deployment.load(bundle)

        # Allow some time for Juju to provision and deploy the bundle.
        cls.deployment.setup(timeout=SECONDS_TO_WAIT)

        # Wait for the system to settle down.
        wait(cls.deployment.sentry)