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OCF_HEARTBEAT_MYSQL() OCF_HEARTBEAT_MYSQL()

ocf_heartbeat_mysql-proxy - Manages a MySQL Proxy instance

mysql-proxy [start | stop | monitor | meta-data | validate-all]

This script manages MySQL Proxy as an OCF resource in a high-availability setup.

The default monitor operation will verify that mysql-proxy is running.

The level 10 monitor operation is left out intentionally for possible future enhancements in conjunction with the admin plugin.

The level 20 monitor operation will perform a SELECT on a given table to verify that the connection to a back-end server is actually working.

Tested with MySQL Proxy 0.8.1 and 0.8.3 on Debian 6.0.

binary
Full path to the MySQL Proxy binary. For example, "/usr/sbin/mysql-proxy".

(optional, string, default "/usr/sbin/mysql-proxy")

client_binary

Location of the MySQL client binary.

(optional, string, default "mysql")

defaults_file

Full path to a MySQL Proxy configuration file. For example, "/etc/mysql-proxy.conf".

(optional, string, no default)

proxy_backend_addresses

Address:port of the remote back-end servers (default: 127.0.0.1:3306).

(optional, string, default "127.0.0.1:3306")

proxy_read_only_backend_addresses

Address:port of the remote (read only) slave-server (default: ).

(optional, string, no default)

proxy_address

Listening address:port of the proxy server (default: :4040). You can also specify a socket like "/tmp/mysql-proxy.sock".

(optional, string, default ":4040")

log_level

Log all messages of level (error|warning|info|message|debug|) or higher. An empty value disables logging.

(optional, string, no default)

keepalive

Try to restart the proxy if it crashed (default: ). Valid values: true or false. An empty value equals "false".

(optional, string, no default)

plugins

Whitespace separated list of plugins to load (default: ). Note: The admin plugin will be auto-loaded in case you specify an admin_* parameter.

(optional, string, no default)

admin_address

Listening address:port of the admin plugin (default: 127.0.0.1:4041). Note: The admin plugin will be auto-loaded in case you specify an admin_* parameter.

(optional, string, default "127.0.0.1:4041")

admin_username

Username for the admin plugin (default: ). Required since MySQL Proxy 0.8.1, if the admin plugin is loaded. Note: The admin plugin will be auto-loaded in case you specify an admin_* parameter.

(optional, string, no default)

admin_password

Password for the admin plugin (default: ). Required since MySQL Proxy 0.8.1, if the admin plugin is loaded. Note: The admin plugin will be auto-loaded in case you specify an admin_* parameter.

(optional, string, no default)

admin_lua_script

Script to execute by the admin plugin. Required since MySQL Proxy 0.8.1, if the admin plugin is loaded. Note: The admin plugin will be auto-loaded in case you specify an admin_* parameter.

(optional, string, no default)

test_table

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

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

test_user

MySQL test user

(optional, string, no default)

test_passwd

MySQL test user password

(optional, string, no default)

parameters

The MySQL Proxy daemon may be called with additional parameters. Specify any of them here.

(optional, string, no default)

pidfile

PID file

(unique, optional, string, default "/var/run/resource-agents/mysql-proxy-RESOURCE_ID.pid")

This resource agent supports the following actions (operations):

start

Starts the resource. Suggested minimum timeout: 30s.

stop

Stops the resource. Suggested minimum timeout: 30s.

reload

Suggested minimum timeout: 30s.

monitor

Performs a detailed status check. Suggested minimum timeout: 20s. Suggested interval: 60s.

validate-all

Performs a validation of the resource configuration. Suggested minimum timeout: 30s.

meta-data

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

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

primitive p_mysql-proxy ocf:heartbeat:mysql-proxy \
  op monitor depth="0" timeout="20s" interval="60s" 

The following is an example configuration for a mysql-proxy resource using pcs(8)

pcs resource create p_mysql-proxy ocf:heartbeat:mysql-proxy \
  op monitor OCF_CHECK_LEVEL="0" timeout="20s" interval="60s" 

http://clusterlabs.org/

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

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