How to use get_key_schema method in localstack

Best Python code snippet using localstack_python

message_schemas.py

Source:message_schemas.py

...3from . import config4# The SQL query that pulls the query stats also includes the plan_handle as part of its grouping key. However, for the5# Kafka messages we want to ensure that all plans for the same sql_handle are in the same Kafka partition so that they6# are handled by the same detect-step consumer, so the plan_handle is not included here:7def get_key_schema(record_name: str) -> str:8    return json.dumps({9        "name": record_name,10        "namespace": config.AVRO_SCHEMA_NAMESPACE,11        "type": "record",12        "fields": [13            {14                "name": "db_identifier",15                "type": "string"16            },17            {18                "name": "set_options",19                "type": "int"20            },21            {22                "name": "sql_handle",23                "type": "string"24            }25        ]26    })27def key_from_value(message_value: Dict[str, Any]) -> Dict[str, Any]:28    return {"db_identifier": message_value["db_identifier"],29            "set_options": message_value["set_options"],30            "sql_handle": message_value["sql_handle"]}31QUERY_STATS_MESSAGE_KEY_AVRO_SCHEMA = get_key_schema('query_stats_key')32BAD_PLANS_MESSAGE_KEY_AVRO_SCHEMA = get_key_schema('bad_plans_key')33EVICTED_PLANS_MESSAGE_KEY_AVRO_SCHEMA = get_key_schema('evicted_plans_key')34SINGLE_PLAN_STATS_FIELDS = [35    {36        "name": "db_identifier",37        "type": "string"38    },39    {40        "name": "plan_handle",41        "type": "string"42    },43    {44        "name": "sql_handle",45        "type": "string"46    },47    {...

CreateTableOpreationInDynamodbCF.py

Source:CreateTableOpreationInDynamodbCF.py

1import copy2from enum import Enum3from switchlang import switch4from AWSModules.DynamoDbOpreationalModule.DynamoDbOpreationHelper import DynamoDbOpreationHelper5from AWSModules.DynanoDbDatabaseModule.AttributeDefinationsMapper import AttributeDefinationsMapper6from AWSModules.DynanoDbDatabaseModule.CreateTableInDynamodb import CreateTableInDynamoDb7from AWSModules.DynanoDbDatabaseModule.KeySchemaMapper import KeySchemaMapper8from CommonCode.List.List import List9from CommonCode.strings import Strings10from Environment.EnvironmentTypeEnum import EnvironmentTypeEnum11class State(Enum):12    CHECK_TABLE_NAME = 0;13    GET_KEY_SCHEMA = 114    GET_ATTRIBUTE_TYPE = 215    CREATE_TABLE = 316    DONE = 4;17class CreateTableOpreationInDynamodbCF:18    m_TableName = None;19    m_keyType = None20    m_keySchema = None21    m_attributeType = None22    m_createTable = CreateTableInDynamoDb()23    m_dynamoDbOpreationHeper = DynamoDbOpreationHelper()24    m_keySchemaMapper = KeySchemaMapper()25    m_attributeMapper = None26    def __init__(self, keyType, config):27        self.m_keyType = keyType28        self.m_attributeMapper = AttributeDefinationsMapper(config)29    def start(self, tableName):30        self.m_TableName = tableName31        self.controlFlow(currentState=State.CHECK_TABLE_NAME)32    def done(self):33        return34    def checkTableNameIsEmpty(self):35        if (Strings.isEmpty(self.m_TableName)):36            raise Exception("table name is Empty")37        else:38            self.controlFlow(currentState=State.GET_KEY_SCHEMA)39    def keySchema(self):40        self.m_keySchema = copy.copy(self.m_keySchemaMapper.keyMapper(keyType=self.m_keyType))41        if (self.m_keySchema == None):42            raise Exception("Error while Building key Schema")43        else:44            self.controlFlow(currentState=State.GET_ATTRIBUTE_TYPE)45    def attributeType(self):46        self.m_attributeType = self.m_dynamoDbOpreationHeper.getAttributeList(self.m_keySchema,self.m_attributeMapper.attributeMapper(),self.m_keyType)47        if (self.m_attributeType == None):48            raise Exception("Error while Building Attribute")49        else:50            self.controlFlow(currentState=State.CREATE_TABLE)51    def createTable(self):52        for env in EnvironmentTypeEnum:53            self.m_createTable.createTable(54                self.m_dynamoDbOpreationHeper.getTableName(tableName=self.m_TableName, eviornment=env),55                keySchemaList=self.m_keySchema, AttributeDefinitionList=self.m_attributeType)56    def controlFlow(self, currentState):57        with switch(currentState) as s:58            s.case(State.CHECK_TABLE_NAME, self.checkTableNameIsEmpty)59            s.case(State.GET_KEY_SCHEMA, self.keySchema)60            s.case(State.GET_ATTRIBUTE_TYPE, self.attributeType)61            s.case(State.CREATE_TABLE, self.createTable)62            s.case(State.DONE, self.done)...

create_new_table.py

Source:create_new_table.py

...7HASH_COLUMN_NAME_TYPE = 'S'8RANGE_COLUMN_NAME_TYPE = 'S'9READ_CAPACITY_UNITS = 1010WRITE_CAPACITY_UNITS = 1011def get_key_schema(12        hash_column_name: str,13        range_column_name: str) -> List[dict]:14    return [15        {16            'AttributeName': hash_column_name,17            'KeyType': 'HASH'18        },19        {20            'AttributeName': range_column_name,21            'KeyType': 'RANGE'22        },23    ]24def get_attribute_definitions(25        hash_column_name: str,26        hash_column_name_type: str,27        range_column_name: str,28        range_column_name_type: str29) -> List[dict]:30    return [31        {32            'AttributeName': hash_column_name,33            'AttributeType': hash_column_name_type34        },35        {36            'AttributeName': range_column_name,37            'AttributeType': range_column_name_type38        }39    ]40def get_provisioned_throughput(41        read_capacity_units: int,42        write_capacity_units: int) -> dict:43    return {44        'ReadCapacityUnits': read_capacity_units,45        'WriteCapacityUnits': write_capacity_units46    }47def lambda_handler(event, context):48    """49    Creates a new DynamoDB table to50    storage data about cereals.51    """52    dynamo_db_client = boto3.client('dynamodb')53    key_schema = get_key_schema(54        hash_column_name=HASH_COLUMN_NAME,55        range_column_name=RANGE_COLUMN_NAME56        )57    attribute_definitions = get_attribute_definitions(58        hash_column_name=HASH_COLUMN_NAME,59        hash_column_name_type=HASH_COLUMN_NAME_TYPE,60        range_column_name=RANGE_COLUMN_NAME,61        range_column_name_type=RANGE_COLUMN_NAME_TYPE62        )63    provisioned_throughput = get_provisioned_throughput(64        read_capacity_units=READ_CAPACITY_UNITS,65        write_capacity_units=WRITE_CAPACITY_UNITS66        )67    dynamo_db_client.create_table(...

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