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99 changes: 99 additions & 0 deletions
99
cumulus_lambda_functions/cumulus_collections_dapa/cumulus_create_collection_dapa.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import json | ||
| import os | ||
|
|
||
| import pystac | ||
|
|
||
| from cumulus_lambda_functions.cumulus_stac.collection_transformer import CollectionTransformer | ||
| from cumulus_lambda_functions.cumulus_wrapper.query_collections import CollectionsQuery | ||
| from cumulus_lambda_functions.lib.aws.aws_lambda import AwsLambda | ||
| from cumulus_lambda_functions.lib.lambda_logger_generator import LambdaLoggerGenerator | ||
|
|
||
| LOGGER = LambdaLoggerGenerator.get_logger(__name__, LambdaLoggerGenerator.get_level_from_env()) | ||
|
|
||
|
|
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| class CumulusCreateCollectionDapa: | ||
| def __init__(self, event): | ||
| required_env = ['CUMULUS_LAMBDA_PREFIX', 'CUMULUS_WORKFLOW_SQS_URL'] | ||
| if not all([k in os.environ for k in required_env]): | ||
| raise EnvironmentError(f'one or more missing env: {required_env}') | ||
| self.__event = event | ||
| self.__request_body = None | ||
| self.__cumulus_collection_query = CollectionsQuery('', '') | ||
| self.__cumulus_lambda_prefix = os.getenv('CUMULUS_LAMBDA_PREFIX') | ||
| self.__ingest_sqs_url = os.getenv('CUMULUS_WORKFLOW_SQS_URL') | ||
| self.__workflow_name = os.getenv('CUMULUS_WORKFLOW_NAME', 'CatalogGranule') | ||
| self.__provider_id = '' # TODO. need this? | ||
| self.__collection_creation_lambda_name = os.environ.get('COLLECTION_CREATION_LAMBDA_NAME', '').strip() | ||
|
|
||
| def execute_creation(self): | ||
| try: | ||
| cumulus_collection_doc = CollectionTransformer().from_stac(self.__request_body) | ||
| creation_result = self.__cumulus_collection_query.create_collection(cumulus_collection_doc, self.__cumulus_lambda_prefix) | ||
| if 'status' not in creation_result: | ||
| LOGGER.error(f'status not in creation_result: {creation_result}') | ||
| return { | ||
| 'statusCode': 500, | ||
| 'body': json.dumps({ | ||
| 'message': creation_result | ||
| }) | ||
| } | ||
| rule_creation_result = self.__cumulus_collection_query.create_sqs_rules( | ||
| cumulus_collection_doc, | ||
| self.__cumulus_lambda_prefix, | ||
| self.__ingest_sqs_url, | ||
| self.__provider_id, | ||
| self.__workflow_name, | ||
| ) | ||
| if 'status' not in rule_creation_result: | ||
| # 'TODO' delete collection | ||
| LOGGER.error(f'status not in rule_creation_result: {rule_creation_result}') | ||
| return { | ||
| 'statusCode': 500, | ||
| 'body': json.dumps({ | ||
| 'message': {rule_creation_result}, | ||
| }) | ||
| } | ||
| except Exception as e: | ||
| LOGGER.exception('error while creating new collection in Cumulus') | ||
| return { | ||
| 'statusCode': 500, | ||
| 'body': json.dumps({ | ||
| 'message': f'error while creating new collection in Cumulus. check details', | ||
| 'details': str(e) | ||
| }) | ||
| } | ||
| LOGGER.info(f'creation_result: {creation_result}') | ||
| return { | ||
| 'statusCode': 200, | ||
| 'body': json.dumps({ | ||
| 'message': creation_result | ||
| }) | ||
| } | ||
|
|
||
| def start(self): | ||
| if 'body' not in self.__event: | ||
| raise ValueError(f'missing body in {self.__event}') | ||
| self.__request_body = json.loads(self.__event['body']) | ||
| LOGGER.debug(f'request body: {self.__request_body}') | ||
| validation_result = pystac.Collection.from_dict(self.__request_body).validate() | ||
| if not isinstance(validation_result, list): | ||
| LOGGER.error(f'request body is not valid STAC collection: {validation_result}') | ||
| return { | ||
| 'statusCode': 500, | ||
| 'body': json.dumps({'message': f'request body is not valid STAC Collection schema. check details', | ||
| 'details': validation_result}) | ||
| } | ||
| if self.__collection_creation_lambda_name != '': | ||
| response = AwsLambda().invoke_function( | ||
| function_name=self.__collection_creation_lambda_name, | ||
| payload=self.__event, | ||
| ) | ||
| LOGGER.debug(f'async function started: {response}') | ||
| return { | ||
| 'statusCode': 202, | ||
| 'body': json.dumps({ | ||
| 'message': 'processing' | ||
| }) | ||
| } | ||
| LOGGER.debug(f'creating collection.') | ||
| return self.execute_creation() |
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