feat: Empty collection delete

cumulus_lambda_functions/cumulus_wrapper/query_collections.py

@@ -158,6 +158,39 @@ def query_rules(self, private_api_prefix: str):
             return {'server_error': f'error while invoking:{str(e)}'}
         return {'results': query_result}
 
+    def delete_sqs_rules(self, new_collection: dict, private_api_prefix: str):
+        # $ curl --request DELETE https://example.com/rules/repeat_test --header 'Authorization: Bearer ReplaceWithTheToken'
+        underscore_collection_name = re.sub(r'[^a-zA-Z0-9_]', '___', new_collection["name"])  # replace any character that's not alphanumeric or underscore with 3 underscores
+        rule_name = f'{underscore_collection_name}___{new_collection["version"]}___rules_sqs'
+        payload = {
+            'httpMethod': 'DELETE',
+            'resource': '/{proxy+}',
+            'path': f'/{self.__rules_key}/{rule_name}',
+            'headers': {
+                'Content-Type': 'application/json',
+            },
+        }
+        LOGGER.debug(f'payload: {payload}')
+        try:
+            query_result = self._invoke_api(payload, private_api_prefix)
+            """
+            {'statusCode': 500, 'body': '', 'headers': {}}
+            """
+            if query_result['statusCode'] >= 500:
+                LOGGER.error(f'server error status code: {query_result["statusCode"]}. details: {query_result}')
+                return {'server_error': query_result}
+            if query_result['statusCode'] >= 400:
+                LOGGER.error(f'client error status code: {query_result["statusCode"]}. details: {query_result}')
+                return {'client_error': query_result}
+            query_result = json.loads(query_result['body'])
+            LOGGER.debug(f'json query_result: {query_result}')
+            if 'message' not in query_result:
+                return {'server_error': f'invalid response: {query_result}'}
+        except Exception as e:
+            LOGGER.exception('error while invoking')
+            return {'server_error': f'error while invoking:{str(e)}'}
+        return {'status': query_result['message']}
+
     def create_sqs_rules(self, new_collection: dict, private_api_prefix: str, sqs_url: str, provider_name: str = '', workflow_name: str = 'CatalogGranule', visibility_timeout: int = 1800):
         """
 curl --request POST "$CUMULUS_BASEURL/rules" --header "Authorization: Bearer $cumulus_token"  --header 'Content-Type: application/json' --data '{

cumulus_lambda_functions/lib/uds_db/granules_db_index.py

@@ -305,6 +305,17 @@ def add_entry(self, tenant: str, tenant_venue: str, json_body: dict, doc_id: str
         # TODO validate custom metadata vs the latest index to filter extra items
         return
 
+    def get_size(self, tenant: str, tenant_venue: str, collection_id: str):
+        read_alias_name = f'{DBConstants.granules_read_alias_prefix}_{tenant}_{tenant_venue}'.lower().strip()
+        search_dsl = {
+            'query': {'bool': {'must': [{
+                'term': {'collection': collection_id}
+            }]}},
+            'size': 0
+        }
+        search_result = self.__es.query(search_dsl, querying_index=read_alias_name)
+        return self.__es.get_result_size(search_result)
+
     def dsl_search(self, tenant: str, tenant_venue: str, search_dsl: dict):
         read_alias_name = f'{DBConstants.granules_read_alias_prefix}_{tenant}_{tenant_venue}'.lower().strip()
         if 'sort' not in search_dsl:  # We cannot paginate w/o sort. So, max is 10k items:

cumulus_lambda_functions/uds_api/collections_api.py

@@ -1,10 +1,12 @@
 import json
 import os
+from datetime import datetime
 from typing import Union
 
-from pystac import Catalog, Link
+from pystac import Catalog, Link, Collection, Extent, SpatialExtent, TemporalExtent, Summaries, Provider
 
 from cumulus_lambda_functions.lib.uds_db.db_constants import DBConstants
+from cumulus_lambda_functions.lib.uds_db.granules_db_index import GranulesDbIndex
 
 from cumulus_lambda_functions.lib.uds_db.uds_collections import UdsCollections
 
@@ -276,3 +278,69 @@ async def query_collections(request: Request, collection_id: Union[str, None] =
     if collections_result['statusCode'] == 200:
         return collections_result['body']
     raise HTTPException(status_code=collections_result['statusCode'], detail=collections_result['body'])
+
+@router.delete("/{collection_id}")
+@router.delete("/{collection_id}/")
+async def delete_single_collection(request: Request, collection_id: str):
+    LOGGER.debug(f'starting delete_single_collection: {collection_id}')
+    LOGGER.debug(f'starting delete_single_collection request: {request}')
+
+    authorizer: UDSAuthorizorAbstract = UDSAuthorizerFactory() \
+        .get_instance(UDSAuthorizerFactory.cognito,
+                      es_url=os.getenv('ES_URL'),
+                      es_port=int(os.getenv('ES_PORT', '443'))
+                      )
+    auth_info = FastApiUtils.get_authorization_info(request)
+    uds_collections = UdsCollections(es_url=os.getenv('ES_URL'),
+                                     es_port=int(os.getenv('ES_PORT', '443')), es_type=os.getenv('ES_TYPE', 'AWS'))
+    if collection_id is None or collection_id == '':
+        raise HTTPException(status_code=500, detail=f'missing or invalid collection_id: {collection_id}')
+    collection_identifier = uds_collections.decode_identifier(collection_id)
+    if not authorizer.is_authorized_for_collection(DBConstants.delete, collection_id,
+                                                   auth_info['ldap_groups'],
+                                                   collection_identifier.tenant,
+                                                   collection_identifier.venue):
+        LOGGER.debug(f'user: {auth_info["username"]} is not authorized for {collection_id}')
+        raise HTTPException(status_code=403, detail=json.dumps({
+            'message': 'not authorized to execute this action'
+        }))
+
+    granules_count = GranulesDbIndex().get_size(collection_identifier.tenant, collection_identifier.venue,
+                                                collection_id)
+    LOGGER.debug(f'granules_count: {granules_count} for {collection_id}')
+    if granules_count > 0:
+        LOGGER.debug(f'NOT deleting {collection_id} as it is not empty')
+        raise HTTPException(status_code=409, detail=f'NOT deleting {collection_id} as it is not empty')
+
+    try:
+        new_collection = Collection(
+            id=collection_id,
+            title=collection_id,
+            description='TODO',
+            extent = Extent(
+                SpatialExtent([[0.0, 0.0, 0.0, 0.0]]),
+                TemporalExtent([[datetime.utcnow(), datetime.utcnow()]])
+            ),
+            license = "proprietary",
+            providers = [],
+                # title=input_collection['LongName'],
+                # keywords=[input_collection['SpatialKeywords']['Keyword']],
+            summaries = Summaries({
+                "totalGranules": [-1],
+            }),
+            )
+        new_collection.links = [
+            Link(rel='root',
+                 target=f'./collection.json',
+                 media_type='application/json', title=f"{new_collection.id}"),
+            Link(rel='item',
+                 target='./collection.json',
+                 media_type='application/json', title=f"{new_collection.id} Granules")
+        ]
+        creation_result = CollectionDapaCreation(new_collection.to_dict(False, False)).delete()
+    except Exception as e:
+        LOGGER.exception('failed during ingest_cnm_dapa')
+        raise HTTPException(status_code=500, detail=str(e))
+    if creation_result['statusCode'] < 300:
+        return creation_result['body'], creation_result['statusCode']
+    raise HTTPException(status_code=creation_result['statusCode'], detail=creation_result['body'])

cumulus_lambda_functions/uds_api/dapa/collections_dapa_creation.py

@@ -81,6 +81,18 @@ def __init__(self, request_body):
         self.__uds_collection = UdsCollections(es_url=os.getenv('ES_URL'), es_port=int(os.getenv('ES_PORT', '443')), es_type=os.getenv('ES_TYPE', 'AWS'), use_ssl=os.getenv('ES_USE_SSL', 'TRUE').strip() is True)
         self.__cumulus_collection_query = CollectionsQuery('', '')
 
+    def __delete_collection_cumulus(self, cumulus_collection_doc):
+        delete_result = self.__cumulus_collection_query.delete_collection(self.__cumulus_lambda_prefix, cumulus_collection_doc['name'], cumulus_collection_doc['version'])
+        if 'status' not in delete_result:
+            LOGGER.error(f'status not in creation_result: {delete_result}')
+            return {
+                'statusCode': 500,
+                'body': {
+                    'message': delete_result
+                }
+            }, None
+        return None, delete_result
+
     def __create_collection_cumulus(self, cumulus_collection_doc):
         creation_result = self.__cumulus_collection_query.create_collection(cumulus_collection_doc, self.__cumulus_lambda_prefix)
         if 'status' not in creation_result:
@@ -116,6 +128,37 @@ def __create_rules_cumulus(self, cumulus_collection_doc):
             }
         return None
 
+    def __delete_rules_cumulus(self, cumulus_collection_doc):
+        rule_deletion_result = self.__cumulus_collection_query.delete_sqs_rules(
+            cumulus_collection_doc,
+            self.__cumulus_lambda_prefix
+        )
+        if 'status' not in rule_deletion_result:
+            LOGGER.error(f'status not in rule_creation_result. deleting collection: {rule_deletion_result}')
+            return {
+                'statusCode': 500,
+                'body': {
+                    'message': rule_deletion_result,
+                    'details': f'collection deletion result: {rule_deletion_result}'
+                }
+            }
+        return None
+
+    def __delete_collection_uds(self):
+        try:
+            delete_collection_result = self.__uds_collection.delete_collection(
+                collection_id=self.__collection_transformer.get_collection_id()
+            )
+        except Exception as e:
+            LOGGER.exception(f'failed to add collection to Elasticsearch')
+            return {
+                'statusCode': 500,
+                'body': {
+                    'message': f'unable to delete collection to Elasticsearch: {str(e)}',
+                }
+            }
+        return None
+
     def __create_collection_uds(self, cumulus_collection_doc):
 
         try:
@@ -143,6 +186,42 @@ def __create_collection_uds(self, cumulus_collection_doc):
             }
         return None
 
+    def delete(self):
+        deletion_result = {}
+        try:
+            cumulus_collection_doc = self.__collection_transformer.from_stac(self.__request_body)
+            self.__provider_id = self.__provider_id if self.__collection_transformer.output_provider is None else self.__collection_transformer.output_provider
+            LOGGER.debug(f'__provider_id: {self.__provider_id}')
+            creation_result = 'NA'
+
+            if self.__include_cumulus:
+                rules_deletion_result = self.__delete_rules_cumulus(cumulus_collection_doc)
+                deletion_result['cumulus_rule_deletion'] = rules_deletion_result if rules_deletion_result is not None else 'succeeded'
+                delete_err, delete_result = self.__delete_collection_cumulus(cumulus_collection_doc)
+                deletion_result['cumulus_collection_deletion'] = delete_err if delete_err is not None else delete_result
+            else:
+                deletion_result['cumulus_rule_deletion'] = 'NA'
+                deletion_result['cumulus_collection_deletion'] = 'NA'
+
+            uds_deletion_result = self.__delete_collection_uds()
+            deletion_result['uds_collection_deletion'] = uds_deletion_result if uds_deletion_result is not None else 'succeeded'
+        except Exception as e:
+            LOGGER.exception('error while creating new collection in Cumulus')
+            return {
+                'statusCode': 500,
+                'body': {
+                    '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': {
+                'message': deletion_result
+            }
+        }
+
     def create(self):
         try:
             cumulus_collection_doc = self.__collection_transformer.from_stac(self.__request_body)