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Text of the page (random words):
host socket env instance_unix_socket php to see this snippet in the context of a web application view the readme on github namespace google cloud samples cloudsql mysql use pdo use pdoexception use runtimeexception use typeerror class databaseunix public static function initunixdatabaseconnection pdo try note saving credentials in environment variables is convenient but not secure consider a more secure solution such as cloud secret manager https cloud google com secret manager to help keep secrets safe username getenv db_user e g your_db_user password getenv db_pass e g your_db_password dbname getenv db_name e g your_db_name instanceunixsocket getenv instance_unix_socket e g cloudsql project region instance connect using unix sockets dsn sprintf mysql dbname s unix_socket s dbname instanceunixsocket connect to the database conn new pdo dsn username password catch typeerror e throw new runtimeexception sprintf invalid or missing configuration make sure you have set username password dbname and instanceunixsocket for unix socket mode the php error was s e getmessage int e getcode e catch pdoexception e throw new runtimeexception sprintf could not connect to the cloud sql database check that your username and password are correct that the cloud sql proxy is running and that the database exists and is ready for use for more assistance refer to s the pdo error was s https cloud google com sql docs mysql connect external app e getmessage int e getcode e return conn connect with cloud sql connectors the cloud sql connectors are language specific libraries that provide encryption and iam based authorization when connecting to a cloud sql instance python to see this snippet in the context of a web application view the readme on github import os from google cloud sql connector import connector iptypes import pymysql import sqlalchemy def connect_with_connector sqlalchemy engine base engine initializes a connection pool for a cloud sql instance of mysql uses the cloud sql python connector package note saving credentials in environment variables is convenient but not secure consider a more secure solution such as cloud secret manager https cloud google com secret manager to help keep secrets safe instance_connection_name os environ instance_connection_name e g project region instance db_user os environ db_user e g my db user db_pass os environ db_pass e g my db password db_name os environ db_name e g my database ip_type iptypes private if os environ get private_ip else iptypes public initialize cloud sql python connector object connector connector ip_type ip_type refresh_strategy lazy def getconn pymysql connections connection conn pymysql connections connection connector connect instance_connection_name pymysql user db_user password db_pass db db_name return conn pool sqlalchemy create_engine mysql pymysql creator getconn return pool java to see this snippet in the context of a web application view the readme on github note instance_connection_name should be represented as my project instance region instance name see the jdbc socket factory version requirements for the pom xml file here import com zaxxer hikari hikariconfig import com zaxxer hikari hikaridatasource import javax sql datasource public class connectorconnectionpoolfactory extends connectionpoolfactory note saving credentials in environment variables is convenient but not secure consider a more secure solution such as cloud secret manager https cloud google com secret manager to help keep secrets safe private static final string instance_connection_name system getenv instance_connection_name private static final string instance_unix_socket system getenv instance_unix_socket private static final string db_user system getenv db_user private static final string db_pass system getenv db_pass private static final string db_name system getenv db_name public static datasource createconnectionpool the configuration object specifies behaviors for the connection pool hikariconfig config new hikariconfig the following url is equivalent to setting the config options below jdbc mysql db_name cloudsqlinstance instance_connection_name socketfactory com google cloud sql mysql socketfactory user db_user password db_pass see the link below for more info on building a jdbc url for the cloud sql jdbc socket factory https github com googlecloudplatform cloud sql jdbc socket factory creating the jdbc url configure which instance and what database user to connect with config setjdbcurl string format jdbc mysql s db_name config setusername db_user e g root mysql config setpassword db_pass e g my password config adddatasourceproperty socketfactory com google cloud sql mysql socketfactory config adddatasourceproperty cloudsqlinstance instance_connection_name the iptypes argument can be used to specify a comma delimited list of preferred ip types for connecting to a cloud sql instance the argument iptypes private will force the socketfactory to connect with an instance s associated private ip config adddatasourceproperty iptypes public private cloudsqlrefreshstrategy set to lazy is used to perform a refresh when needed rather than on a scheduled interval this is recommended for serverless environments to avoid background refreshes from throttling cpu config adddatasourceproperty cloudsqlrefreshstrategy lazy specify additional connection properties here initialize the connection pool using the configuration object return new hikaridatasource config go to see this snippet in the context of a web application view the readme on github package cloudsql import context database sql fmt log net os cloud google com go cloudsqlconn github com go sql driver mysql func connectwithconnector sql db error mustgetenv func k string string v os getenv k if v log fatalf fatal error in connect_connector go s environment variable not set k return v note saving credentials in environment variables is convenient but not secure consider a more secure solution such as cloud secret manager https cloud google com secret manager to help keep passwords and other secrets safe var dbuser mustgetenv db_user e g my db user dbpwd mustgetenv db_pass e g my db password dbname mustgetenv db_name e g my database instanceconnectionname mustgetenv instance_connection_name e g project region instance useprivate os getenv private_ip withlazyrefresh option is used to perform refresh when needed rather than on a scheduled interval this is recommended for serverless environments to avoid background refreshes from throttling cpu d err cloudsqlconn newdialer context background cloudsqlconn withlazyrefresh if err nil return nil fmt errorf cloudsqlconn newdialer w err var opts cloudsqlconn dialoption if useprivate opts append opts cloudsqlconn withprivateip mysql registerdialcontext cloudsqlconn func ctx context context addr string net conn error return d dial ctx instanceconnectionname opts dburi fmt sprintf s s cloudsqlconn localhost 3306 s parsetime true dbuser dbpwd dbname dbpool err sql open mysql dburi if err nil return nil fmt errorf sql open w err return dbpool nil node js to see this snippet in the context of a web application view the readme on github const mysql require mysql2 promise const connector require google cloud cloud sql connector in case the private_ip environment variable is defined then we set the iptype private for the new connector instance otherwise defaults to public ip type const getiptype process env private_ip 1 process env private_ip true private public connectwithconnector initializes a connection pool for a cloud sql instance of mysql using the cloud sql node js connector const connectwithconnector async config note saving credentials in environment variables is convenient but not secure consider a more secure solution such as cloud secret manager https cloud google com secret manager to help keep secrets safe const connector new connector const clientopts await connector getoptions instanceconnectionname process env instance_connection_name iptype getiptype const dbconfig clientopts user process env db_user e g my db user password process env db_pass e g my db password database process env db_name e g my database specify additional properties here config establish a connection to the database return mysql createpool dbconfig use secret manager google recommends that you use secret manager to store sensitive information such as sql credentials you can pass secrets as environment variables or mount as a volume with cloud run after creating a secret in secret manager update an existing service with the following command command line gcloud run services update service_name add cloudsql instances instance_connection_name update env vars instance_connection_name instance_connection_name_secret update secrets db_user db_user_secret latest update secrets db_pass db_pass_secret latest update secrets db_name db_name_secret latest terraform the following creates secret resources to securely hold the database user password and name values using google_secret_manager_secret and google_secret_manager_secret_version note that you must update the project compute service account to have access to each secret create dbuser secret resource google_secret_manager_secret dbuser secret_id dbusersecret replication auto depends_on google_project_service secretmanager_api attaches secret data for dbuser secret resource google_secret_manager_secret_version dbuser_data secret google_secret_manager_secret dbuser id secret_data secret data stores secret as a plain txt in state update service account for dbuser secret resource google_secret_manager_secret_iam_member secretaccess_compute_dbuser secret_id google_secret_manager_secret dbuser id role roles secretmanager secretaccessor member serviceaccount data google_project project number compute developer gserviceaccount com project s compute service account create dbpass secret resource google_secret_manager_secret dbpass secret_id dbpasssecret replication auto depends_on google_project_service secretmanager_api attaches secret data for dbpass secret resource google_secret_manager_secret_version dbpass_data secret google_secret_manager_secret dbpass id secret_data secret data stores secret as a plain txt in state update service account for dbpass secret resource google_secret_manager_secret_iam_member secretaccess_compute_dbpass secret_id google_secret_manager_secret dbpass id role roles secretmanager secretaccessor member serviceaccount data google_project project number compute developer gserviceaccount com project s compute service account create dbname secret resource google_secret_manager_secret dbname secret_id dbnamesecret replication auto depends_on google_project_service secretmanager_api attaches secret data for dbname secret resource google_secret_manager_secret_version dbname_data secret google_secret_manager_secret dbname id secret_data secret data stores secret as a plain txt in state update service account for dbname secret resource google_secret_manager_secret_iam_member secretaccess_compute_dbname secret_id google_secret_manager_secret dbname id role roles secretmanager secretaccessor member serviceaccount data google_project project number compute developer gserviceaccount com project s compute service account update the main cloud run resource to include the new secrets resource google_cloud_run_v2_service default name cloudrun service location us central1 deletion_protection false set to true in production template containers image us docker pkg dev cloudrun container hello latest image to deploy sets a environment variable for instance connection name env name instance_connection_name value google_sql_database_instance default connection_name sets a secret environment variable for database user secret env name db_user value_source secret_key_ref secret google_secret_manager_secret dbuser secret_id secret name version latest secret version number or latest sets a secret environment variable for database password secret env name db_pass value_source secret_key_ref secret google_secret_manager_secret dbpass secret_id secret name version latest secret version number or latest sets a secret environment variable for database name secret env name db_name value_source secret_key_ref secret google_secret_manager_secret dbname secret_id secret name version latest secret version number or latest volume_mounts name cloudsql mount_path cloudsql volumes name cloudsql cloud_sql_instance instances google_sql_database_instance default connection_name client terraform depends_on google_project_service secretmanager_api google_project_service cloudrun_api google_project_service sqladmin_api apply the changes by entering terraform apply the example command uses the secret version latest however google recommends pinning the secret to a specific version secret_name v1 private ip for private ip paths your application connects directly to your instance through a vpc network this method uses tcp to connect directly to the cloud sql instance without using the cloud sql auth proxy connect with tcp connect using the private ip address of your cloud sql instance as the host and port 3306 python to see this snippet in the context of a web application view the readme on github import os import sqlalchemy def connect_tcp_socket sqlalchemy engine base engine initializes a tcp connection pool for a cloud sql instance of mysql note saving credentials in environment variables is convenient but not secure consider a more secure solution such as cloud secret manager https cloud google com secret manager to help keep secrets safe db_host os environ instance_host e g 127 0 0 1 172 17 0 1 if deployed to gae flex db_user os environ db_user e g my db user db_pass os environ db_pass e g my db password db_name os environ db_name e g my database db_port os environ db_port e g 3306 pool sqlalchemy create_engine equivalent url mysql pymysql db_user db_pass db_host db_port db_name sqlalchemy engine url url create drivername mysql pymysql username db_user password db_pass host db_host port db_port database db_name return pool java to see this snippet in the context of a web application view the readme on github note instance_connection_name should be represented as my project instance region instance name using the argument iptypes private will force the socketfactory to connect with an instance s associated private ip see the jdbc socket factory version requirements for the pom xml file import com zaxxer hikari hikariconfig import com zaxxer hikari hikaridatasource import javax sql datasource public class tcpconnectionpoolfactory extends connectionpoolfactory saving credentials in environment variables is convenient but not secure consider a more secure solution such as https cloud google com secret manager to help keep secrets safe private static final string db_user system getenv db_user private static final string db_pass system getenv db_pass private static final string db_name system getenv db_name ...