Completed update_all_index_from_db()

test.py → index_operations.py

@@ -115,13 +115,13 @@ def delete_index(payload: DeleteIndex):
         exit(0)
 
 
-delete_index(DeleteIndex(
-    name='lookup_name_-1_lookup_id_-1',
-    collection_name='lookup_table',
-    metadata_collection_name='test_collection',
-    db_name='ilens_configuration',
-    metadata_db_name='__test'
-))
+# delete_index(DeleteIndex(
+#     name='lookup_name_-1_lookup_id_-1',
+#     collection_name='lookup_table',
+#     metadata_collection_name='test_collection',
+#     db_name='ilens_configuration',
+#     metadata_db_name='__test'
+# ))
 
 # delete_index(DeleteIndex(
 #     name='id_1',
@@ -132,4 +132,4 @@ delete_index(DeleteIndex(
 # ))
 
 
-# update_all_index_from_db(UpdateIndexFromDB())
+update_all_index_from_db(UpdateIndexFromDB(collection_name='index_info_v2'))
\ No newline at end of file

index_operations_v2.py

+"""
+Author: Owaiz Mustafa Khan
+Email: owaiz.mustafakhan@rockwellautomation.com
+"""
+
+
+
+from pymongo.errors import OperationFailure
+
+from scripts.schemas.mongo_schema import DeleteIndex, UpdateIndexFromDB
+from scripts.utils.mongo_utils import get_collection, get_collection_info, get_index_info
+from scripts.utils.mongo_utils_v2 import index_exists_v2, make_keys
+
+
+def check_and_create_index(collection_info: dict):
+    index = collection_info.get('index')
+    collection, database = get_collection_info(collection_info)
+    for idx in index:
+        # if index_exists_v2(idx, {
+        #     'collection': collection_info.get('collection'),
+        #     'database': collection_info.get('database')
+        # }):  # Checking if the index already exists
+        #     continue
+        add_new_index(idx, collection, database)  # Adding new index
+
+def add_new_index(index_info: dict, collection: str, database: str):
+    try:
+        additional_properties = index_info.get('additional_properties')
+        fields = make_keys(index_info)
+        # return
+        collection = get_collection(collection, database)
+
+        if not additional_properties:
+            collection.create_index(keys=fields)
+            return
+
+        collection.create_index(
+            keys = fields,
+            unique=additional_properties.get('unique', False),
+            sparse=additional_properties.get('sparse', False),
+            hidden=additional_properties.get('hidden', False),
+            background=additional_properties.get('background', False)
+        )
+    except OperationFailure as of:
+        if 'Index with name: email_1 already exists with different options' in str(of):
+            print('Cannot add index as it already exists')
+        return
+
+    except Exception as e:
+        print(e)
+        return
+
+def update_all_index_from_db(payload: UpdateIndexFromDB):
+    try:
+        collection = get_collection(payload.collection_name, payload.db_name)
+
+        # Get all index metadata stored in Mongo
+        collections_info = list(collection.find({}, {'_id': 0}))
+
+        # Checks that data is present
+        if not len(collections_info):
+            return {
+                'status': 'COMPLETED',
+                'message': 'No index metadata found to create indexes.'
+            }
+
+        # Iterate through data and add new index
+        for collection_info in collections_info:
+            check_and_create_index(collection_info)
+    except Exception as e:
+        print(f'Exception occurred during update: {e}')
+        exit(0)
+
+def delete_index(payload: DeleteIndex):
+    try:
+        i_collection = get_collection(payload.collection_name, payload.db_name)
+
+        if not index_exists_v2(payload.model_dump()):
+            return
+
+        collection = get_collection(payload.metadata_collection_name, payload.metadata_db_name)
+
+        index_infos = get_index_info(payload.model_dump())
+
+        # Deleting metadata from mongo
+        docs = collection.find({"db": payload.db_name, "collection": payload.collection_name})
+
+        for doc in docs:
+            indexes = doc.get("indexes", [])
+            new_indexes = []
+
+            for index in indexes:
+                index_type = index.get("type")
+                keys = index.get("keys")
+
+                if isinstance(keys, list):
+                    _ = list()
+                    for key in keys:
+                        _.append(key[0])
+
+                    keys = _
+
+                for index_info in index_infos:
+                    if ([keys] if index_type == 'simple' else keys) == index_info.get('fields'):
+                        print(f"Deleting entire document: {doc['_id']}")
+                        collection.delete_one({"_id": doc["_id"]})
+                        break
+                else:
+                    new_indexes.append(index)
+
+            else:
+                # If loop wasn't broken (i.e., not deleted), update or delete based on new index array
+                if not new_indexes:
+                    collection.delete_one({"_id": doc["_id"]})
+                else:
+                    collection.update_one(
+                        {"_id": doc["_id"]},
+                        {"$set": {"indexes": new_indexes}}
+                    )
+        i_collection.drop_index(payload.name)
+
+    except Exception as e:
+        print(f'Some exception occurred while deleting the index: {e}')
+        exit(0)
+
+
+# delete_index(DeleteIndex(
+#     name='lookup_name_-1_lookup_id_-1',
+#     collection_name='lookup_table',
+#     metadata_collection_name='test_collection',
+#     db_name='ilens_configuration',
+#     metadata_db_name='__test'
+# ))
+
+# delete_index(DeleteIndex(
+#     name='id_1',
+#     collection_name='design_tag_data',
+#     metadata_collection_name='test_collection',
+#     db_name='ilens_configuration',
+#     metadata_db_name='__test'
+# ))
+
+
+update_all_index_from_db(UpdateIndexFromDB(collection_name='index_info_v2'))
\ No newline at end of file

scripts/config/app_configurations.py

@@ -39,11 +39,12 @@ except Exception as e:
 
 
 class DBConf:
-    POSTGRES_URI = f'{config.get("POSTGRES_DB", "DB_URIS")}/project_216__ilens_alarms'
+    pass
+    POSTGRES_URI = f'{config.get("DB_URIS", "POSTGRES_URI")}/project_216__ilens_alarms'
     if not POSTGRES_URI:
         print("Error, environment variable POSTGRES_URI not set")
         sys.exit(1)
-    MONGO_URI = config.get("MONGO_DB", "MONGO_URI")
+    MONGO_URI = config.get("DB_URIS", "MONGO_URI")
     if not MONGO_URI:
         print("Error, environment variable MONGO_URI not set")
         sys.exit(1)

scripts/utils/mongo_utils.py

@@ -55,7 +55,7 @@ def get_data(data: str):
 
 def get_collection_info(index: dict):
     collection_name = index.get('collection', index.get('collection_name'))
-    db_name = index.get('db', index.get('db_name'))
+    db_name = index.get('database', index.get('db', index.get('db_name')))
     return collection_name, db_name
 
 def get_index_info(index: dict) -> list[dict]:

scripts/utils/mongo_utils_v2.py

+"""
+Author: Owaiz Mustafa Khan
+Email: owaiz.mustafakhan@rockwellautomation.com
+"""
+
+
+
+import pymongo
+from pymongo import MongoClient
+from pymongo.synchronous.collection import Collection
+from pymongo.synchronous.database import Database
+
+from scripts.config.app_configurations import DBConf
+
+# Retrieval
+
+mongo_client = MongoClient(DBConf.MONGO_URI)
+
+def _get_database(name: str) -> Database:
+    """
+    This function is used to get a specific Database from the MongoDB
+    :param name: Name of the database in which this collection is present
+    :return: database object of Database class
+    """
+    database = mongo_client.get_database(name)
+    return database
+
+
+def get_collection(collection_name: str, db_name: str) -> Collection:
+    """
+    This function is used to get a specific collection from the MongoDB
+    :param collection_name: The name of collection you want to access
+    :param db_name: Name of the database in which this collection is present
+    :return: collection object of Collection class
+    """
+    collection = _get_database(db_name).get_collection(collection_name)
+    return collection
+
+def execute_aggregate(collection: Collection, query: list):
+    data = collection.aggregate(query)
+    data = list(data) if data else []
+    return data
+
+# Other Utils
+def get_data(data: str):
+    if data == 'ASC':
+        return pymongo.ASCENDING
+    elif data == 'DESC':
+        return pymongo.DESCENDING
+    elif data == 'GEO2D':
+        return pymongo.GEO2D
+    elif data == 'GEOSPHERE':
+        return pymongo.GEOSPHERE
+    elif data == 'HASHED':
+        return pymongo.HASHED
+    elif data == 'TEXT':
+        return pymongo.TEXT
+
+def get_collection_info(index: dict):
+    collection_name = index.get('collection', index.get('collection_name'))
+    db_name = index.get('database', index.get('db', index.get('db_name')))
+    return collection_name, db_name
+
+def get_index_info(index: dict) -> list[dict]:
+    collection_name, db_name = get_collection_info(index)
+    collection = get_collection(collection_name, db_name)
+
+    # Get all index from mongo
+    all_index = collection.list_indexes()
+    add_index_list = list(all_index)
+
+    # Format to readable data
+    index_infos = [
+        {"name": idx["name"], "fields": [[k, 1 if v == 'ASC' else 'DESC'] for k, v in idx["key"].items()]}
+        for idx in add_index_list
+    ]
+
+    return index_infos
+
+def index_exists(index: dict, by_name: bool = False) -> bool:
+    index_infos = get_index_info(index)
+
+    if by_name:
+        for i in index_infos:
+            if index.get('name') == i.get('name'):
+                return True
+        return False
+
+    # Compare if index already exists
+    for index_info in index_infos:
+        if index.get('fields') == index_info.get('fields'):
+            return True
+    return False
+
+def index_exists_v2(index: dict, collection: dict) -> bool:
+    index_infos = get_index_info(collection)
+
+    keys = list()
+
+    if index.get('type', 'simple') == 'simple':
+        keys = 'something'
+    else:
+        keys = [key[0] for key in index.get('keys')]
+
+    for key in index.get('keys'):
+        for index_info in index_infos:
+            for field in index_info.get('fields'):
+                if key == field:
+                    return True
+    return False
+
+def make_keys(indexes: dict) -> list[tuple] | str:
+    result = list()
+    keys = indexes.get('keys')
+    if indexes.get('type') == 'simple':
+        return [(keys, get_data(indexes.get('additional_properties').get('sort')))]
+    for key in keys:
+        result.append((
+            key[0],
+            get_data(key[1])
+        ))
+    return result
+
+
+# Operations
+def find_all(collection: Collection):
+    """
+    This function is used to get all the records present in a collection
+    :param collection:  Object of the collection you want to access
+    :return: A list of all records present in the collection or [] if there are no records in collections
+    """
+    data = collection.aggregate([{'$project': {'_id': 0}}])
+    find_result = list(data) if data else []
+    return find_result
+
+def find_index(collection: Collection,
+               include_database_name: bool = True,
+               include_schema_name: bool = True,
+               include_table_name: bool = True,
+               full_projection: bool = False,
+               index_name: str = None,
+               table_name: str = None,
+               schema_name: str = None,
+               database_name: str = None):
+    """
+    This function is used to get all the records present in a collection
+    :param database_name: Name of the database in which you want to find the index
+    :param schema_name: Name of the schema in which you want to find the index
+    :param table_name: Name of the table in which you want to find the index
+    :param full_projection: True if you want the whole record else False [default: False]
+    :param index_name: Name of the index you want to find
+    :param include_table_name: True if you want to include table name in result else False [default: True]
+    :param include_schema_name: True if you want to include schema name in result else False [default: True]
+    :param include_database_name: True if you want to include databse name in result else False [default: True]
+    :param collection:  Object of the collection you want to access
+    :return: A ``list`` of all records present in the collection or [] if there are no records in collections
+    """
+
+    query = list()
+    projection = {'_id': 0}
+
+    if include_database_name:
+        projection.update({'database_name': 1})
+
+    if include_schema_name:
+        projection.update({"schema_name": "$schemas.schema_name"})
+
+    if include_table_name:
+        projection.update({"table_name": "$schemas.tables.table_name"})
+
+    query.append({"$unwind": "$schemas"})
+    query.append({"$unwind": "$schemas.tables"})
+    query.append({"$unwind": "$schemas.tables.indexes"})
+    projection.update({"index": "$schemas.tables.indexes"})
+
+    match = dict()
+
+    if database_name:
+        match.update({"database_name": database_name})
+
+    if schema_name:
+        match.update({"schemas.schema_name": schema_name})
+
+    if table_name:
+        match.update({"schemas.tables.table_name": table_name})
+
+    if index_name:
+        match.update({"schemas.tables.indexes.name": index_name})
+
+    if database_name or schema_name or table_name or index_name:
+        query.append({'$match': match})
+
+    if full_projection:
+        query.append({'$project': {'_id': 0}})
+    else:
+        query.append({'$project': projection})
+
+    result = execute_aggregate(collection, query)
+    return result
+
+def add_index(collection: Collection, data: dict):
+    query = {
+        "database_name": data.get('database_name'),
+        "schemas.schema_name": data.get('schema_name', 'public'),
+        "schemas.tables.table_name": data.get('table_name')
+    }
+
+    update = {
+        "$push": {
+            "schemas.$[s].tables.$[t].indexes": {
+                "name": data.get('index').get('name'),
+                "columns": data.get('index').get('columns'),
+                "unique": data.get('index').get('unique'),
+                "type": data.get('index').get('type')
+            }
+        }
+    }
+
+    array_filters = [
+        {"s.schema_name": data.get('schema_name', 'public')},
+        {"t.table_name": data.get('table_name')}
+    ]
+
+    # Perform the update
+    result = collection.update_one(query, update, array_filters=array_filters)
+    if result.modified_count > 0:
+        return True
+    else:
+        return False
+
+def update_index(collection: Collection, data: dict):
+    query = {
+        "database_name": data.get('database_name'),
+        "schemas.schema_name": data.get('schema_name', 'public'),
+        "schemas.tables.table_name": data.get('table_name'),
+        "schemas.tables.indexes.name": data.get('index').get('name')
+    }
+
+    update = {
+        "$set": {
+            "schemas.$[s].tables.$[t].indexes.$[i].name": data.get('new_index').get('name'),
+            "schemas.$[s].tables.$[t].indexes.$[i].columns": data.get('new_index').get('columns'),
+            # New columns for the index
+            "schemas.$[s].tables.$[t].indexes.$[i].unique": data.get('new_index').get('unique'),  # Update uniqueness of the index
+            "schemas.$[s].tables.$[t].indexes.$[i].type": data.get('new_index').get('type')  # Update index type
+        }
+    }
+
+    array_filters = [
+        {"s.schema_name": data.get('schema_name', 'public')},
+        {"t.table_name": data.get('table_name')},
+        {"i.name": data.get('index').get('name')}
+    ]
+
+    # Perform the update
+    result = collection.update_one(query, update, array_filters=array_filters)
+
+    # Print the result
+    if result.modified_count > 0:
+        print("Index Updated successfully.")
+        return True
+    else:
+        print("No matching index found or index was not updated.")
+        return False
+
+def delete_index(collection: Collection, data: dict):
+    filter_criteria = {
+        "database_name": data.get('database_name'),
+        "schemas.schema_name": data.get('schema_name', 'public'),
+        "schemas.tables.table_name": data.get('table_name'),
+        "schemas.tables.indexes.name": data.get('index').get('name')
+    }
+
+    update_criteria = {
+        "$pull": {
+            "schemas.$[s].tables.$[t].indexes": {
+                "name": data.get('index').get('name')
+            }
+        }
+    }
+
+    array_filters = [
+        {"s.schema_name": data.get('schema_name', 'public')},
+        {"t.table_name": data.get('table_name')}
+    ]
+
+    # Perform the update operation
+    result = collection.update_one(
+        filter_criteria,
+        update_criteria,
+        array_filters=array_filters
+    )
+
+    # Output the result
+    if result.modified_count > 0:
+        print("Index deleted successfully.")
+        return True
+    else:
+        print("No matching index found or index was not deleted.")
+        return False