def test_config_to_json(capsys, boto3_stubber, test_datadir, pcluster_config_reader, queues):
queue_settings = ",".join(queues)
# Create a new configuration file from the initial one
dst_config_file = "pcluster.config.{0}.ini".format("_".join(queues))
duplicate_config_file(dst_config_file, test_datadir)
# Created expected json params based on active queues
expected_json_params = _prepare_json_config(queues, test_datadir)
# Mock expected boto3 calls
_mock_boto3(boto3_stubber, expected_json_params, head_node_instance_type="c4.xlarge")
# Load config from created config file
dst_config_file = pcluster_config_reader(dst_config_file, queue_settings=queue_settings)
pcluster_config = PclusterConfig(config_file=dst_config_file, fail_on_file_absence=True)
# Create json storage data from config
storage_data = pcluster_config.to_storage()
# Check that created json params match the expected ones
assert_that(json.dumps(storage_data.json_params, indent=2, sort_keys=True)).is_equal_to(
json.dumps(expected_json_params, indent=2, sort_keys=True)
)
readouterr = capsys.readouterr()
assert_that(readouterr.err).is_equal_to("")
pass
def create(args): # noqa: C901 FIXME!!!
LOGGER.info("Beginning cluster creation for cluster: %s", args.cluster_name)
LOGGER.debug("Building cluster config based on args %s", str(args))
_validate_cluster_name(args.cluster_name)
# Build the config based on args
pcluster_config = PclusterConfig(
config_file=args.config_file, cluster_label=args.cluster_template, fail_on_file_absence=True
)
pcluster_config.validate()
# Automatic SIT -> HIT conversion, if needed
HitConverter(pcluster_config).convert()
# get CFN parameters, template url and tags from config
storage_data = pcluster_config.to_storage()
cfn_params = storage_data.cfn_params
_check_for_updates(pcluster_config)
bucket_name = None
artifact_directory = None
cleanup_bucket = False
try:
cfn_client = boto3.client("cloudformation")
stack_name = utils.get_stack_name(args.cluster_name)
# merge tags from configuration, command-line and internal ones
tags = _evaluate_tags(pcluster_config, preferred_tags=args.tags)
bucket_name, artifact_directory, cleanup_bucket = _setup_bucket_with_resources(
pcluster_config, storage_data, stack_name, tags
)
cfn_params["ResourcesS3Bucket"] = bucket_name
cfn_params["ArtifactS3RootDirectory"] = artifact_directory
cfn_params["RemoveBucketOnDeletion"] = str(cleanup_bucket)
LOGGER.info("Creating stack named: %s", stack_name)
# determine the CloudFormation Template URL to use
template_url = evaluate_pcluster_template_url(pcluster_config, preferred_template_url=args.template_url)
# append extra parameters from command-line
if args.extra_parameters:
LOGGER.debug("Adding extra parameters to the CFN parameters")
cfn_params.update(dict(args.extra_parameters))
# prepare input parameters for stack creation and create the stack
LOGGER.debug(cfn_params)
params = [{"ParameterKey": key, "ParameterValue": value} for key, value in cfn_params.items()]
stack = cfn_client.create_stack(
StackName=stack_name,
TemplateURL=template_url,
Parameters=params,
Capabilities=["CAPABILITY_IAM"],
DisableRollback=args.norollback,
Tags=tags,
)
LOGGER.debug("StackId: %s", stack.get("StackId"))
if not args.nowait:
verified = utils.verify_stack_creation(stack_name, cfn_client)
LOGGER.info("")
result_stack = utils.get_stack(stack_name, cfn_client)
_print_stack_outputs(result_stack)
if not verified:
sys.exit(1)
else:
stack_status = utils.get_stack(stack_name, cfn_client).get("StackStatus")
LOGGER.info("Status: %s", stack_status)
except ClientError as e:
LOGGER.critical(e.response.get("Error").get("Message"))
sys.stdout.flush()
utils.cleanup_s3_resources(bucket_name, artifact_directory, cleanup_bucket)
sys.exit(1)
except KeyboardInterrupt:
LOGGER.info("\nExiting...")
if not utils.stack_exists(stack_name):
# Cleanup S3 artifacts if stack is not created yet
utils.cleanup_s3_resources(bucket_name, artifact_directory, cleanup_bucket)
sys.exit(0)
except KeyError as e:
LOGGER.critical("ERROR: KeyError - reason:\n%s", e)
utils.cleanup_s3_resources(bucket_name, artifact_directory, cleanup_bucket)
sys.exit(1)
except Exception as e:
LOGGER.critical(e)
utils.cleanup_s3_resources(bucket_name, artifact_directory, cleanup_bucket)
sys.exit(1)
def execute(args):
LOGGER.info("Retrieving configuration from CloudFormation for cluster {0}...".format(args.cluster_name))
base_config = PclusterConfig(config_file=args.config_file, cluster_name=args.cluster_name)
stack_status = base_config.cfn_stack.get("StackStatus")
if "IN_PROGRESS" in stack_status:
utils.error("Cannot execute update while stack is in {} status.".format(stack_status))
LOGGER.info("Validating configuration file {0}...".format(args.config_file if args.config_file else ""))
stack_name = utils.get_stack_name(args.cluster_name)
target_config = PclusterConfig(
config_file=args.config_file, cluster_label=args.cluster_template, fail_on_file_absence=True
)
target_config.validate()
if _check_cluster_models(base_config, target_config, args.cluster_template) and _check_changes(
args, base_config, target_config
):
# Update base config settings
base_config.update(target_config)
cfn_params = base_config.to_cfn()
cfn_client = boto3.client("cloudformation")
_restore_cfn_only_params(cfn_client, args, cfn_params, stack_name, target_config)
s3_bucket_name = cfn_params["ResourcesS3Bucket"]
tags = _get_target_config_tags_list(target_config)
artifact_directory = cfn_params["ArtifactS3RootDirectory"]
is_hit = utils.is_hit_enabled_cluster(base_config.cfn_stack)
template_url = None
if is_hit:
try:
upload_hit_resources(
s3_bucket_name, artifact_directory, target_config, target_config.to_storage().json_params, tags
)
except Exception:
utils.error("Failed when uploading resources to cluster S3 bucket {0}".format(s3_bucket_name))
template_url = evaluate_pcluster_template_url(target_config)
try:
upload_dashboard_resource(
s3_bucket_name,
artifact_directory,
target_config,
target_config.to_storage().json_params,
target_config.to_storage().cfn_params,
)
except Exception:
utils.error("Failed when uploading the dashboard resource to cluster S3 bucket {0}".format(s3_bucket_name))
_update_cluster(
args,
cfn_client,
cfn_params,
stack_name,
use_previous_template=not is_hit,
template_url=template_url,
tags=tags,
)
else:
LOGGER.info("Update aborted.")
sys.exit(1)
