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keyring_aws_cmk_id

The KMS key ID obtained from the AWS KMS server and used by thekeyring_aws plugin. This variable is unavailable unless that plugin is installed.

This variable is mandatory. If not specified,keyring_aws initialization fails.

keyring_aws_conf_file

The location of the configuration file for thekeyring_aws plugin. This variable is unavailable unless that plugin is installed.

At plugin startup,keyring_aws reads the AWS secret access key ID and key from the configuration file. For thekeyring_aws plugin to start successfully, the configuration file must exist and contain valid secret access key information, initialized as described inSection 8.4.4.9, “Using the keyring_aws Amazon Web Services Keyring Plugin”.

The default file name iskeyring_aws_conf, located in the default keyring file directory. The location of this default directory is the same as for thekeyring_file_data system variable. See the description of that variable for details, as well as for considerations to take into account if you create the directory manually.

keyring_aws_data_file

The location of the storage file for thekeyring_aws plugin. This variable is unavailable unless that plugin is installed.

At plugin startup, if the value assigned tokeyring_aws_data_file specifies a file that does not exist, thekeyring_aws plugin attempts to create it (as well as its parent directory, if necessary). If the file does exist,keyring_aws reads any encrypted keys contained in the file into its in-memory cache.keyring_aws does not cache unencrypted keys in memory.

The default file name iskeyring_aws_data, located in the default keyring file directory. The location of this default directory is the same as for thekeyring_file_data system variable. See the description of that variable for details, as well as for considerations to take into account if you create the directory manually.

keyring_aws_region

The AWS region for thekeyring_aws plugin. This variable is unavailable unless that plugin is installed.

If not set, the AWS region defaults tous-east-1. Thus, for any other region, this variable must be set explicitly.

keyring_encrypted_file_data

The path name of the data file used for secure data storage by thekeyring_encrypted_file plugin. This variable is unavailable unless that plugin is installed. The file location should be in a directory considered for use only by keyring plugins. For example, do not locate the file under the data directory.

Keyring operations are transactional: Thekeyring_encrypted_file plugin uses a backup file during write operations to ensure that it can roll back to the original file if an operation fails. The backup file has the same name as the value of thekeyring_encrypted_file_data system variable with a suffix of.backup.

Do not use the samekeyring_encrypted_file data file for multiple MySQL instances. Each instance should have its own unique data file.

The default file name iskeyring_encrypted, located in a directory that is platform specific and depends on the value of theINSTALL_LAYOUTCMake option, as shown in the following table. To specify the default directory for the file explicitly if you are building from source, use theINSTALL_MYSQLKEYRINGDIRCMake option.

At plugin startup, if the value assigned tokeyring_encrypted_file_data specifies a file that does not exist, thekeyring_encrypted_file plugin attempts to create it (as well as its parent directory, if necessary).

If you create the directory manually, it should have a restrictive mode and be accessible only to the account used to run the MySQL server. For example, on Unix and Unix-like systems, to use the/usr/local/mysql/mysql-keyring directory, the following commands (executed asroot) create the directory and set its mode and ownership:

cd /usr/local/mysqlmkdir mysql-keyringchmod 750 mysql-keyringchown mysql mysql-keyringchgrp mysql mysql-keyring

If thekeyring_encrypted_file plugin cannot create or access its data file, it writes an error message to the error log. If an attempted runtime assignment tokeyring_encrypted_file_data results in an error, the variable value remains unchanged.

keyring_encrypted_file_password

The password used by thekeyring_encrypted_file plugin. This variable is unavailable unless that plugin is installed.

This variable is mandatory. If not specified,keyring_encrypted_file initialization fails.

If this variable is specified in an option file, the file should have a restrictive mode and be accessible only to the account used to run the MySQL server.

The password value cannot be displayed at runtime withSHOW VARIABLES or the Performance Schemaglobal_variables table because the display value is obfuscated.

keyring_file_data

The path name of the data file used for secure data storage by thekeyring_file plugin. This variable is unavailable unless that plugin is installed. The file location should be in a directory considered for use only by keyring plugins. For example, do not locate the file under the data directory.

Keyring operations are transactional: Thekeyring_file plugin uses a backup file during write operations to ensure that it can roll back to the original file if an operation fails. The backup file has the same name as the value of thekeyring_file_data system variable with a suffix of.backup.

Do not use the samekeyring_file data file for multiple MySQL instances. Each instance should have its own unique data file.

The default file name iskeyring, located in a directory that is platform specific and depends on the value of theINSTALL_LAYOUTCMake option, as shown in the following table. To specify the default directory for the file explicitly if you are building from source, use theINSTALL_MYSQLKEYRINGDIRCMake option.

At plugin startup, if the value assigned tokeyring_file_data specifies a file that does not exist, thekeyring_file plugin attempts to create it (as well as its parent directory, if necessary).

If you create the directory manually, it should have a restrictive mode and be accessible only to the account used to run the MySQL server. For example, on Unix and Unix-like systems, to use the/usr/local/mysql/mysql-keyring directory, the following commands (executed asroot) create the directory and set its mode and ownership:

cd /usr/local/mysqlmkdir mysql-keyringchmod 750 mysql-keyringchown mysql mysql-keyringchgrp mysql mysql-keyring

If thekeyring_file plugin cannot create or access its data file, it writes an error message to the error log. If an attempted runtime assignment tokeyring_file_data results in an error, the variable value remains unchanged.

keyring_hashicorp_auth_path

The authentication path where AppRole authentication is enabled within the HashiCorp Vault server, for use by thekeyring_hashicorp plugin. This variable is unavailable unless that plugin is installed.

keyring_hashicorp_ca_path

The absolute path name of a local file accessible to the MySQL server that contains a properly formatted TLS certificate authority for use by thekeyring_hashicorp plugin. This variable is unavailable unless that plugin is installed.

If this variable is not set, thekeyring_hashicorp plugin opens an HTTPS connection without using server certificate verification, and trusts any certificate delivered by the HashiCorp Vault server. For this to be safe, it must be assumed that the Vault server is not malicious and that no man-in-the-middle attack is possible. If those assumptions are invalid, setkeyring_hashicorp_ca_path to the path of a trusted CA certificate. (For example, for the instructions inCertificate and Key Preparation, this is thecompany.crt file.)

keyring_hashicorp_caching

Whether to enable the optional in-memory key cache used by thekeyring_hashicorp plugin to cache keys from the HashiCorp Vault server. This variable is unavailable unless that plugin is installed. If the cache is enabled, the plugin populates it during initialization. Otherwise, the plugin populates only the key list during initialization.

Enabling the cache is a compromise: It improves performance, but maintains a copy of sensitive key information in memory, which may be undesirable for security purposes.

keyring_hashicorp_commit_auth_path

This variable is associated withkeyring_hashicorp_auth_path, from which it takes its value duringkeyring_hashicorp plugin initialization. This variable is unavailable unless that plugin is installed. It reflects the“committed” value actually used for plugin operation if initialization succeeds. For additional information, seekeyring_hashicorp Configuration.

keyring_hashicorp_commit_ca_path

This variable is associated withkeyring_hashicorp_ca_path, from which it takes its value duringkeyring_hashicorp plugin initialization. This variable is unavailable unless that plugin is installed. It reflects the“committed” value actually used for plugin operation if initialization succeeds. For additional information, seekeyring_hashicorp Configuration.

keyring_hashicorp_commit_caching

This variable is associated withkeyring_hashicorp_caching, from which it takes its value duringkeyring_hashicorp plugin initialization. This variable is unavailable unless that plugin is installed. It reflects the“committed” value actually used for plugin operation if initialization succeeds. For additional information, seekeyring_hashicorp Configuration.

keyring_hashicorp_commit_role_id

This variable is associated withkeyring_hashicorp_role_id, from which it takes its value duringkeyring_hashicorp plugin initialization. This variable is unavailable unless that plugin is installed. It reflects the“committed” value actually used for plugin operation if initialization succeeds. For additional information, seekeyring_hashicorp Configuration.

keyring_hashicorp_commit_server_url

This variable is associated withkeyring_hashicorp_server_url, from which it takes its value duringkeyring_hashicorp plugin initialization. This variable is unavailable unless that plugin is installed. It reflects the“committed” value actually used for plugin operation if initialization succeeds. For additional information, seekeyring_hashicorp Configuration.

keyring_hashicorp_commit_store_path

This variable is associated withkeyring_hashicorp_store_path, from which it takes its value duringkeyring_hashicorp plugin initialization. This variable is unavailable unless that plugin is installed. It reflects the“committed” value actually used for plugin operation if initialization succeeds. For additional information, seekeyring_hashicorp Configuration.

keyring_hashicorp_role_id

The HashiCorp Vault AppRole authentication role ID, for use by thekeyring_hashicorp plugin. This variable is unavailable unless that plugin is installed. The value must be in UUID format.

This variable is mandatory. If not specified,keyring_hashicorp initialization fails.

keyring_hashicorp_secret_id

The HashiCorp Vault AppRole authentication secret ID, for use by thekeyring_hashicorp plugin. This variable is unavailable unless that plugin is installed. The value must be in UUID format.

This variable is mandatory. If not specified,keyring_hashicorp initialization fails.

The value of this variable is sensitive, so its value is masked by* characters when displayed.

keyring_hashicorp_server_url

The HashiCorp Vault server URL, for use by thekeyring_hashicorp plugin. This variable is unavailable unless that plugin is installed. The value must begin withhttps://.

keyring_hashicorp_store_path

A store path within the HashiCorp Vault server that is writeable when appropriate AppRole credentials are provided by thekeyring_hashicorp plugin. This variable is unavailable unless that plugin is installed. To specify the credentials, set thekeyring_hashicorp_role_id andkeyring_hashicorp_secret_id system variables (for example, as shown inkeyring_hashicorp Configuration).

This variable is mandatory. If not specified,keyring_hashicorp initialization fails.

keyring_oci_ca_certificate

The path name of the CA certificate bundle file that thekeyring_oci plugin uses for Oracle Cloud Infrastructure certificate verification. This variable is unavailable unless that plugin is installed.

The file contains one or more certificates for peer verification. If no file is specified, the default CA bundle installed on the system is used. If the value isdisabled (case-sensitive),keyring_oci performs no certificate verification.

keyring_oci_compartment

The OCID of the tenancy compartment that thekeyring_oci plugin uses as the location of the MySQL keys. This variable is unavailable unless that plugin is installed.

Prior to usingkeyring_oci, you must create a MySQL compartment or subcompartment if it does not exist. This compartment should contain no vault keys or vault secrets. It should not be used by systems other than MySQL Keyring.

For information about managing compartments and obtaining the OCID, seeManaging Compartments.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_encryption_endpoint

The endpoint of the Oracle Cloud Infrastructure encryption server that thekeyring_oci plugin uses for generating ciphertext for new keys. This variable is unavailable unless that plugin is installed.

The encryption endpoint is vault specific and Oracle Cloud Infrastructure assigns it at vault-creation time. To obtain the endpoint OCID, view the configuration details for yourkeyring_oci vault, using the instructions atManaging Vaults.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_key_file

The path name of the file containing the RSA private key that thekeyring_oci plugin uses for Oracle Cloud Infrastructure authentication. This variable is unavailable unless that plugin is installed.

You must also upload the corresponding RSA public key using the Console. The Console displays the key fingerprint value, which you can use to set thekeyring_oci_key_fingerprint system variable.

For information about generating and uploading API keys, seeRequired Keys and OCIDs.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_key_fingerprint

The fingerprint of the RSA private key that thekeyring_oci plugin uses for Oracle Cloud Infrastructure authentication. This variable is unavailable unless that plugin is installed.

To obtain the key fingerprint while creating the API keys, execute this command:

openssl rsa -pubout -outform DER -in ~/.oci/oci_api_key.pem | openssl md5 -c

Alternatively, obtain the fingerprint from the Console, which automatically displays the fingerprint when you upload the RSA public key.

For information about obtaining key fingerprints, seeRequired Keys and OCIDs.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_management_endpoint

The endpoint of the Oracle Cloud Infrastructure key management server that thekeyring_oci plugin uses for listing existing keys. This variable is unavailable unless that plugin is installed.

The key management endpoint is vault specific and Oracle Cloud Infrastructure assigns it at vault-creation time. To obtain the endpoint OCID, view the configuration details for yourkeyring_oci vault, using the instructions atManaging Vaults.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_master_key

The OCID of the Oracle Cloud Infrastructure master encryption key that thekeyring_oci plugin uses for encryption of secrets. This variable is unavailable unless that plugin is installed.

Prior to usingkeyring_oci, you must create a cryptographic key for the Oracle Cloud Infrastructure compartment if it does not exist. Provide a MySQL-specific name for the generated key, and do not use it for other purposes.

For information about key creation, seeManaging Keys.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_secrets_endpoint

The endpoint of the Oracle Cloud Infrastructure secrets server that thekeyring_oci plugin uses for listing, creating, and retiring secrets. This variable is unavailable unless that plugin is installed.

The secrets endpoint is vault specific and Oracle Cloud Infrastructure assigns it at vault-creation time. To obtain the endpoint OCID, view the configuration details for yourkeyring_oci vault, using the instructions atManaging Vaults.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_tenancy

The OCID of the Oracle Cloud Infrastructure tenancy that thekeyring_oci plugin uses as the location of the MySQL compartment. This variable is unavailable unless that plugin is installed.

Prior to usingkeyring_oci, you must create a tenancy if it does not exist. To obtain the tenancy OCID from the Console, use the instructions atRequired Keys and OCIDs.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_user

The OCID of the Oracle Cloud Infrastructure user that thekeyring_oci plugin uses for cloud connections. This variable is unavailable unless that plugin is installed.

Prior to usingkeyring_oci, this user must exist and be granted access to use the configured Oracle Cloud Infrastructure tenancy, compartment, and vault resources.

To obtain the user OCID from the Console, use the instructions atRequired Keys and OCIDs.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_vaults_endpoint

The endpoint of the Oracle Cloud Infrastructure vaults server that thekeyring_oci plugin uses for obtaining the value of secrets. This variable is unavailable unless that plugin is installed.

The vaults endpoint is vault specific and Oracle Cloud Infrastructure assigns it at vault-creation time. To obtain the endpoint OCID, view the configuration details for yourkeyring_oci vault, using the instructions atManaging Vaults.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_oci_virtual_vault

The OCID of the Oracle Cloud Infrastructure Vault that thekeyring_oci plugin uses for encryption operations. This variable is unavailable unless that plugin is installed.

Prior to usingkeyring_oci, you must create a new vault in the MySQL compartment if it does not exist. (Alternatively, you can reuse an existing vault that is in a parent compartment of the MySQL compartment.) Compartment users can see and use only the keys in their respective compartments.

For information about creating a vault and obtaining the vault OCID, seeManaging Vaults.

This variable is mandatory. If not specified,keyring_oci initialization fails.

keyring_okv_conf_dir

The path name of the directory that stores configuration information used by thekeyring_okv plugin. This variable is unavailable unless that plugin is installed. The location should be a directory considered for use only by thekeyring_okv plugin. For example, do not locate the directory under the data directory.

The defaultkeyring_okv_conf_dir value is empty. For thekeyring_okv plugin to be able to access Oracle Key Vault, the value must be set to a directory that contains Oracle Key Vault configuration and SSL materials. For instructions on setting up this directory, seeSection 8.4.4.8, “Using the keyring_okv KMIP Plugin”.

The directory should have a restrictive mode and be accessible only to the account used to run the MySQL server. For example, on Unix and Unix-like systems, to use the/usr/local/mysql/mysql-keyring-okv directory, the following commands (executed asroot) create the directory and set its mode and ownership:

cd /usr/local/mysqlmkdir mysql-keyring-okvchmod 750 mysql-keyring-okvchown mysql mysql-keyring-okvchgrp mysql mysql-keyring-okv

If the value assigned tokeyring_okv_conf_dir specifies a directory that does not exist, or that does not contain configuration information that enables a connection to Oracle Key Vault to be established,keyring_okv writes an error message to the error log. If an attempted runtime assignment tokeyring_okv_conf_dir results in an error, the variable value and keyring operation remain unchanged.

keyring_operations

Whether keyring operations are enabled. This variable is used during key migration operations. SeeSection 8.4.4.14, “Migrating Keys Between Keyring Keystores”. The privileges required to modify this variable areENCRYPTION_KEY_ADMIN in addition to eitherSYSTEM_VARIABLES_ADMIN or the deprecatedSUPER privilege.