diff --git a/heartbeat/mysql-common.sh b/heartbeat/mysql-common.sh index 2e4f0a580..d5ac972cd 100755 --- a/heartbeat/mysql-common.sh +++ b/heartbeat/mysql-common.sh @@ -1,306 +1,308 @@ #!/bin/sh ####################################################################### # Attempt to detect a default binary OCF_RESKEY_binary_default=$(which mysqld_safe 2> /dev/null) if [ "$OCF_RESKEY_binary_default" = "" ]; then OCF_RESKEY_binary_default=$(which safe_mysqld 2> /dev/null) fi # Fill in some defaults if no values are specified HOSTOS=`uname` if [ "X${HOSTOS}" = "XOpenBSD" ];then if [ "$OCF_RESKEY_binary_default" = "" ]; then OCF_RESKEY_binary_default="/usr/local/bin/mysqld_safe" fi OCF_RESKEY_config_default="/etc/my.cnf" OCF_RESKEY_datadir_default="/var/mysql" OCF_RESKEY_user_default="_mysql" OCF_RESKEY_group_default="_mysql" OCF_RESKEY_log_default="/var/log/mysqld.log" OCF_RESKEY_pid_default="/var/mysql/mysqld.pid" OCF_RESKEY_socket_default="/var/run/mysql/mysql.sock" else if [ "$OCF_RESKEY_binary_default" = "" ]; then OCF_RESKEY_binary_default="/usr/bin/safe_mysqld" fi OCF_RESKEY_config_default="/etc/my.cnf" OCF_RESKEY_datadir_default="/var/lib/mysql" OCF_RESKEY_user_default="mysql" OCF_RESKEY_group_default="mysql" OCF_RESKEY_log_default="/var/log/mysqld.log" OCF_RESKEY_pid_default="/var/run/mysql/mysqld.pid" OCF_RESKEY_socket_default="/var/lib/mysql/mysql.sock" fi OCF_RESKEY_client_binary_default="mysql" OCF_RESKEY_test_user_default="root" OCF_RESKEY_test_table_default="mysql.user" OCF_RESKEY_test_passwd_default="" OCF_RESKEY_enable_creation_default=0 OCF_RESKEY_additional_parameters_default="" +OCF_RESKEY_replication_user_default="root" +OCF_RESKEY_replication_passwd_default="" OCF_RESKEY_replication_port_default="3306" OCF_RESKEY_max_slave_lag_default="3600" OCF_RESKEY_evict_outdated_slaves_default="false" OCF_RESKEY_reader_attribute_default="readable" : ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}} MYSQL_BINDIR=`dirname ${OCF_RESKEY_binary}` : ${OCF_RESKEY_client_binary=${OCF_RESKEY_client_binary_default}} : ${OCF_RESKEY_config=${OCF_RESKEY_config_default}} : ${OCF_RESKEY_datadir=${OCF_RESKEY_datadir_default}} : ${OCF_RESKEY_user=${OCF_RESKEY_user_default}} : ${OCF_RESKEY_group=${OCF_RESKEY_group_default}} : ${OCF_RESKEY_log=${OCF_RESKEY_log_default}} : ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}} : ${OCF_RESKEY_socket=${OCF_RESKEY_socket_default}} : ${OCF_RESKEY_test_user=${OCF_RESKEY_test_user_default}} : ${OCF_RESKEY_test_table=${OCF_RESKEY_test_table_default}} : ${OCF_RESKEY_test_passwd=${OCF_RESKEY_test_passwd_default}} : ${OCF_RESKEY_enable_creation=${OCF_RESKEY_enable_creation_default}} : ${OCF_RESKEY_additional_parameters=${OCF_RESKEY_additional_parameters_default}} : ${OCF_RESKEY_replication_user=${OCF_RESKEY_replication_user_default}} : ${OCF_RESKEY_replication_passwd=${OCF_RESKEY_replication_passwd_default}} : ${OCF_RESKEY_replication_port=${OCF_RESKEY_replication_port_default}} : ${OCF_RESKEY_max_slave_lag=${OCF_RESKEY_max_slave_lag_default}} : ${OCF_RESKEY_evict_outdated_slaves=${OCF_RESKEY_evict_outdated_slaves_default}} : ${OCF_RESKEY_reader_attribute=${OCF_RESKEY_reader_attribute_default}} ####################################################################### # Convenience variables MYSQL=$OCF_RESKEY_client_binary MYSQL_OPTIONS_LOCAL="-S $OCF_RESKEY_socket" MYSQL_OPTIONS_REPL="$MYSQL_OPTIONS_LOCAL --user=$OCF_RESKEY_replication_user --password=$OCF_RESKEY_replication_passwd" MYSQL_OPTIONS_TEST="$MYSQL_OPTIONS_LOCAL --user=$OCF_RESKEY_test_user --password=$OCF_RESKEY_test_passwd" MYSQL_TOO_MANY_CONN_ERR=1040 CRM_MASTER="${HA_SBIN_DIR}/crm_master -l reboot " NODENAME=$(ocf_local_nodename) CRM_ATTR="${HA_SBIN_DIR}/crm_attribute -N $NODENAME " INSTANCE_ATTR_NAME=`echo ${OCF_RESOURCE_INSTANCE}| awk -F : '{print $1}'` CRM_ATTR_REPL_INFO="${HA_SBIN_DIR}/crm_attribute --type crm_config --name ${INSTANCE_ATTR_NAME}_REPL_INFO -s mysql_replication" ####################################################################### mysql_common_validate() { if ! have_binary "$OCF_RESKEY_binary"; then ocf_exit_reason "Setup problem: couldn't find command: $OCF_RESKEY_binary" return $OCF_ERR_INSTALLED; fi if ! have_binary "$OCF_RESKEY_client_binary"; then ocf_exit_reason "Setup problem: couldn't find command: $OCF_RESKEY_client_binary" return $OCF_ERR_INSTALLED; fi if [ ! -f $OCF_RESKEY_config ]; then ocf_exit_reason "Config $OCF_RESKEY_config doesn't exist"; return $OCF_ERR_INSTALLED; fi if [ ! -d $OCF_RESKEY_datadir ]; then ocf_exit_reason "Datadir $OCF_RESKEY_datadir doesn't exist"; return $OCF_ERR_INSTALLED; fi getent passwd $OCF_RESKEY_user >/dev/null 2>&1 if [ ! $? -eq 0 ]; then ocf_exit_reason "User $OCF_RESKEY_user doesn't exit"; return $OCF_ERR_INSTALLED; fi getent group $OCF_RESKEY_group >/dev/null 2>&1 if [ ! $? -eq 0 ]; then ocf_exit_reason "Group $OCF_RESKEY_group doesn't exist"; return $OCF_ERR_INSTALLED; fi return $OCF_SUCCESS } mysql_common_check_pid() { local pid=$1 if [ -d /proc -a -d /proc/1 ]; then [ "u$pid" != "u" -a -d /proc/$pid ] else kill -s 0 $pid >/dev/null 2>&1 fi return $? } mysql_common_status() { local loglevel=$1 local pid=$2 if [ -z "$pid" ]; then if [ ! -e $OCF_RESKEY_pid ]; then ocf_log $loglevel "MySQL is not running" return $OCF_NOT_RUNNING; fi pid=`cat $OCF_RESKEY_pid`; fi mysql_common_check_pid $pid if [ $? -eq 0 ]; then return $OCF_SUCCESS; else if [ -e $OCF_RESKEY_pid ]; then ocf_log $loglevel "MySQL not running: removing old PID file" rm -f $OCF_RESKEY_pid fi return $OCF_NOT_RUNNING; fi } mysql_common_prepare_dirs() { local rc touch $OCF_RESKEY_log chown $OCF_RESKEY_user:$OCF_RESKEY_group $OCF_RESKEY_log chmod 0640 $OCF_RESKEY_log [ -x /sbin/restorecon ] && /sbin/restorecon $OCF_RESKEY_log if ocf_is_true "$OCF_RESKEY_enable_creation" && [ ! -d $OCF_RESKEY_datadir/mysql ] ; then ocf_log info "Initializing MySQL database: " $MYSQL_BINDIR/mysql_install_db --datadir=$OCF_RESKEY_datadir rc=$? if [ $rc -ne 0 ] ; then ocf_exit_reason "Initialization failed: $rc"; exit $OCF_ERR_GENERIC fi chown -R $OCF_RESKEY_user:$OCF_RESKEY_group $OCF_RESKEY_datadir fi pid_dir=`dirname $OCF_RESKEY_pid` if [ ! -d $pid_dir ] ; then ocf_log info "Creating PID dir: $pid_dir" mkdir -p $pid_dir chown $OCF_RESKEY_user:$OCF_RESKEY_group $pid_dir fi socket_dir=`dirname $OCF_RESKEY_socket` if [ ! -d $socket_dir ] ; then ocf_log info "Creating socket dir: $socket_dir" mkdir -p $socket_dir chown $OCF_RESKEY_user:$OCF_RESKEY_group $socket_dir fi # Regardless of whether we just created the directory or it # already existed, check whether it is writable by the configured # user for dir in $pid_dir $socket_dir; do if ! su -s /bin/sh - $OCF_RESKEY_user -c "test -w $dir"; then ocf_exit_reason "Directory $dir is not writable by $OCF_RESKEY_user" exit $OCF_ERR_PERM; fi done } mysql_common_start() { local mysql_extra_params="$1" local pid ${OCF_RESKEY_binary} --defaults-file=$OCF_RESKEY_config \ --pid-file=$OCF_RESKEY_pid \ --socket=$OCF_RESKEY_socket \ --datadir=$OCF_RESKEY_datadir \ --log-error=$OCF_RESKEY_log \ --user=$OCF_RESKEY_user $OCF_RESKEY_additional_parameters \ $mysql_extra_params >/dev/null 2>&1 & pid=$! # Spin waiting for the server to come up. # Let the CRM/LRM time us out if required. start_wait=1 while [ $start_wait = 1 ]; do if ! ps $pid > /dev/null 2>&1; then wait $pid ocf_exit_reason "MySQL server failed to start (pid=$pid) (rc=$?), please check your installation" return $OCF_ERR_GENERIC fi mysql_common_status info rc=$? if [ $rc = $OCF_SUCCESS ]; then start_wait=0 elif [ $rc != $OCF_NOT_RUNNING ]; then ocf_log info "MySQL start failed: $rc" return $rc fi sleep 2 done return $OCF_SUCCESS } mysql_common_stop() { local pid local rc if [ ! -f $OCF_RESKEY_pid ]; then ocf_log info "MySQL is not running" return $OCF_SUCCESS fi pid=`cat $OCF_RESKEY_pid 2> /dev/null ` mysql_common_check_pid $pid if [ $? -ne 0 ]; then rm -f $OCF_RESKEY_pid ocf_log info "MySQL is already stopped" return $OCF_SUCCESS; fi /bin/kill $pid > /dev/null rc=$? if [ $rc != 0 ]; then ocf_exit_reason "MySQL couldn't be stopped" return $OCF_ERR_GENERIC fi # stop waiting shutdown_timeout=15 if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then shutdown_timeout=$((($OCF_RESKEY_CRM_meta_timeout/1000)-5)) fi count=0 while [ $count -lt $shutdown_timeout ] do mysql_common_status info $pid rc=$? if [ $rc = $OCF_NOT_RUNNING ]; then break fi count=`expr $count + 1` sleep 1 ocf_log debug "MySQL still hasn't stopped yet. Waiting..." done mysql_common_status info $pid if [ $? != $OCF_NOT_RUNNING ]; then ocf_log info "MySQL failed to stop after ${shutdown_timeout}s using SIGTERM. Trying SIGKILL..." /bin/kill -KILL $pid > /dev/null fi ocf_log info "MySQL stopped"; rm -f /var/lock/subsys/mysqld rm -f $OCF_RESKEY_socket return $OCF_SUCCESS }