OCF_HEARTBEAT_MARIAD(7)

NAME
ocf_heartbeat_mariadb - Manages a MariaDB master/slave instance

SYNOPSIS

mariadb [start | stop | status | monitor | promote | demote | meta-data | validate-all]

DESCRIPTION

Resource script for MariaDB.

Manages a complete master/slave replication setup with GTID, for simpler uses look at the mysql resource agent which supports older replication forms which mysql and mariadb have in common.

The resource must be setup to use notifications. Set 'notify=true' in the metadata attributes when defining a MariaDB master/slave instance.

The default behavior is to use uname -n values in the change master to command. Other IPs can be specified manually by adding a node attribute ${INSTANCE_ATTR_NAME}_mysql_master_IP giving the IP to use for replication. For example, if the mariadb primitive you are using is p_mariadb, the attribute to set will be p_mariadb_mysql_master_IP.

SUPPORTED PARAMETERS

binary
    Location of the MariaDB server binary

    (optional, string, default "/usr/bin/mysqld_safe")

client_binary
    Location of the MariaDB client binary

    (optional, string, default "mysql")

config
    Configuration file

    (optional, string, default "/etc/my.cnf")

datadir
    Directory containing databases

    (optional, string, default "/var/lib/mysql")

user
    User running MariaDB daemon

    (optional, string, default "mysql")

group
    Group running MariaDB daemon (for logfile and directory permissions)

    (optional, string, default "mysql")

log
    The logfile to be used for mysqld.

    (optional, string, default "/var/log/mysqld.log")

node_list
    All node names of nodes that will execute mariadb. Please separate each node name with a space. This is required for the master selection to function.

    (required, string, no default)

pid
    The pidfile to be used for mysqld.

    (optional, string, default "/var/run/mysql/mysqld.pid")

socket
    The socket to be used for mysqld.

    (optional, string, default "/var/lib/mysql/mysql.sock")

test_table
    Table to be tested in monitor statement (in database.table notation)

    (optional, string, default "mysql.user")

test_user
    MariaDB test user, must have select privilege on test_table

    (optional, string, default "root")

test_passwd
    MariaDB test user password

    (optional, string, no default)

enable_creation
    If the MariaDB database does not exist, it will be created

    (optional, boolean, default 0)

additional_parameters
    Additional parameters which are passed to the mysqld on startup. (e.g. --skip-external-locking or --skip-grant-tables)

    (optional, string, no default)

replication_user
    MariaDB replication user. This user is used for starting and stopping MariaDB replication, for setting and resetting the master host, and for setting and unsetting read-only mode. Because of that, this user must have SUPER, REPLICATION SLAVE, REPLICATION CLIENT, PROCESS and RELOAD privileges on all nodes within the cluster. Mandatory if you define a master-slave resource.

    (optional, string, default "root")

replication_passwd
    MariaDB replication password. Used for replication client and slave. Mandatory if you define a master-slave resource.

    (optional, string, no default)

replication_port
    The port on which the Master MariaDB instance is listening.

    (optional, string, default "3306")

SUPPORTED ACTIONS

This resource agent supports the following actions (operations):

start
    Starts the resource. Suggested minimum timeout: 120s.

stop
    Stops the resource. Suggested minimum timeout: 120s.

status
    Performs a status check. Suggested minimum timeout: 60s.

monitor
    Performs a detailed status check. Suggested minimum timeout: 30s. Suggested interval: 20s.

monitor (Master role)
    Performs a detailed status check. Suggested minimum timeout: 30s. Suggested interval: 10s.

monitor (Slave role)
    Performs a detailed status check. Suggested minimum timeout: 30s. Suggested interval: 30s.

promote
    Promotes the resource to the Master role. Suggested minimum timeout: 120s.

demote
    Demotes the resource to the Slave role. Suggested minimum timeout: 120s.

notify
    Suggested minimum timeout: 90s.

validate-all
    Performs a validation of the resource configuration. Suggested minimum timeout: 5s.

meta-data
    Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5s.

EXAMPLE CRM SHELL

The following is an example configuration for a mariadb resource using the crm(8) shell:

    primitive p_mariadb ocf:heartbeat:mariadb \
      params \
        node_list=string \
      op monitor depth="0" timeout="30s" interval="20s" \
      op monitor role="Master" depth="0" timeout="30s" interval="10s" \
      op monitor role="Slave" depth="0" timeout="30s" interval="30s"

    ms ms_mariadb p_mariadb \
      meta notify="true" interleave="true"

EXAMPLE PCS

The following is an example configuration for a mariadb resource using pcs(8)

    pcs resource create p_mariadb ocf:heartbeat:mariadb \
      node_list=string \
      op monitor depth="0" timeout="30s" interval="20s" \
      op monitor role="Master" depth="0" timeout="30s" interval="10s" \
      op monitor role="Slave" depth="0" timeout="30s" interval="30s" --master

SEE ALSO

http://clusterlabs.org/

AUTHOR

ClusterLabs contributors (see the resource agent source for information about individual authors)