# chkconfig: 2345 84 25
#
# description: A very fast and reliable SQL database engine.
-#
-# $Id$
# Source function library
. /etc/rc.d/init.d/functions
fi
if [ -f /etc/mysql/clusters.conf ]; then
- MYSQL_DB_CLUSTERS=$(awk -F= '!/^#/{print $2}' /etc/mysql/clusters.conf)
+ MYSQL_DB_CLUSTERS=$(awk -F= '!/^#/ && /=/{print $2}' /etc/mysql/clusters.conf)
if [ -z "$MYSQL_DB_CLUSTERS" ]; then
nls "Warning: there are no configured clusters."
fi
clusterdir="$1"
mode="$2"
- mysqlgetconfig "$clusterdir"
+ mysqlgetconfig "$clusterdir" status
MYSQL_STATUS="not running"
MYSQL_PID="unknown"
}
# get mysql configuration in variables
-# MYSQL_CONFIG MYSQL_DATA_DIR MYSQL_USER MYSQL_PIDFILE
+# MYSQL_CONFIG MYSQL_CLUSTER_DIR
+# MYSQL_DATA_DIR MYSQL_USER MYSQL_PIDFILE MYSQL_SOCKET MYSQL_PORT MYSQL_BIND_ADDRESS MYSQL_SKIP_NETWORKING MYSQL_LOG_ERROR
#
# arguments
# $1 - db cluster
+# $2 - status | other
mysqlgetconfig() {
- clusterdir="$1"
+ local clusterdir="$1" config_file
+ local mode="$2"
# emulate old behaviour if only one cluster specified
if [ "$clusterdir" = "$MYSQL_DB_CLUSTERS" -a "$clusterdir" = "/var/lib/mysql" -a -f /etc/mysqld.conf ]; then
MYSQL_RA_COMPAT=yes
config_file=/etc/mysqld.conf
else
- config=$(awk -F= -vclusterdir="$clusterdir" '!/^#/{ if (clusterdir == $2) print $1}' /etc/mysql/clusters.conf)
+ local config=$(awk -F= -vclusterdir="$clusterdir" '!/^#/{ if (clusterdir == $2) print $1}' /etc/mysql/clusters.conf)
if [[ $config = /* ]]; then
config_file="$config"
elif [ -f "/etc/mysql/$config" ]; then
if [ -z "$config_file" ]; then
nls "Error: Can't find config file for %s cluster" "$clusterdir"
- exit 6
+ if [ "$mode" = "status" ]; then
+ exit 3
+ else
+ exit 6
+ fi
else
MYSQL_CONFIG="$config_file"
fi
if [ ! -f "$config_file" ]; then
nls "Error: config file %s not found" "$config_file"
nls "MySQL can't be run. Did you initialize DB by doing \`$0 init'?"
- exit 6
+ if [ "$mode" = "status" ]; then
+ exit 3
+ else
+ exit 6
+ fi
fi
# reset to initial state
- MYSQL_DATA_DIR= MYSQL_USER= MYSQL_PIDFILE= MYSQL_SOCKET= MYSQL_PORT= MYSQL_BIND_ADDRESS= MYSQL_SKIP_NETWORKING=
+ MYSQL_DATA_DIR= MYSQL_USER= MYSQL_PIDFILE= MYSQL_SOCKET= MYSQL_PORT= MYSQL_BIND_ADDRESS= MYSQL_SKIP_NETWORKING= MYSQL_LOG_ERROR=
eval `awk -F= '
+ {
+ # undos
+ gsub(/\r$/, "");
+
+ # trim spaces
+ gsub(/^[\t ]+|[\t ]+$/, "", $1);
+ gsub(/^[\t ]+|[\t ]+$/, "", $2);
+ }
+
# skip comments and empty lines
/^[;#]|^ *$/ { next }
next;
}
- # trim spaces
- {
- gsub(/^[\t ]*|[\t ]*$/, "", $1);
- gsub(/^[\t ]*|[\t ]*$/, "", $2);
- }
-
section == "mysqld" {
if ($1 == "datadir") {
printf("MYSQL_DATA_DIR=%s;", $2);
printf("MYSQL_BIND_ADDRESS=%s;", $2);
} else if ($1 == "skip-networking") {
printf("MYSQL_SKIP_NETWORKING=1;");
+ } else if ($1 == "log-error") {
+ printf("MYSQL_LOG_ERROR=%s;", $2);
}
}
' $config_file`
+ # error log not defined in config file. add one
+ if [ -z "$MYSQL_LOG_ERROR" ]; then
+ MYSQL_LOG_ERROR=$MYSQL_ERRLOG
+ else
+ # unset, so mysqld would use value from config itself
+ unset MYSQL_LOG_ERROR
+ fi
+
if is_yes "$MYSQL_RA_COMPAT"; then
MYSQL_DATA_DIR_SUB=""
else
exit 6
fi
- if [ -z $MYSQL_USER ]; then
+ if [ -z "$MYSQL_USER" ]; then
echo "$(nls 'MySQL user not configured properly')"'!' >&2
nls "Edit %s and configure it." "$config_file" >&2
exit 6
# start mysql
mysqlstart() {
- clusterdir="$1"
+ local clusterdir="$1"
mysqlgetconfig "$clusterdir"
if [ ! -d "$MYSQL_DATA_DIR/mysql" ]; then
nls "MySQL cluster %s not initialized." "$clusterdir"
exit 6
fi
- msg_starting "MySQL $clusterdir"
- busy
+ msg_starting "MySQL $clusterdir"; busy
[ -z "$DEFAULT_SERVICE_RUN_NICE_LEVEL" ] && DEFAULT_SERVICE_RUN_NICE_LEVEL=0
rm -f "$MYSQL_PIDFILE"
- if [ "$(grep -c ^log-error $MYSQL_CONFIG)" -lt 1 ]; then
- # error log not defined in config file. add one
- MYSQL_OPTIONS="$MYSQL_OPTIONS --log-error=$MYSQL_ERRLOG"
- fi
TMPDIR=/tmp nice -n ${SERVICE_RUN_NICE_LEVEL:-$DEFAULT_SERVICE_RUN_NICE_LEVEL} \
/usr/bin/setsid /usr/sbin/mysqld \
--defaults-file=$MYSQL_CONFIG \
--datadir=$MYSQL_DATA_DIR \
--pid-file=$MYSQL_PIDFILE \
+ ${MYSQL_LOG_ERROR:+--log-error="$MYSQL_LOG_ERROR"} \
$MYSQL_OPTIONS &
pid=$!
# stop mysql
mysqlstop() {
- clusterdir="$1"
+ local clusterdir="$1"
mysqlstatus "$clusterdir" stop
msg_stopping "MySQL $clusterdir"
busy
fi
}
+# report slave status
+# uses MYSQL_SOCKET - path to mysql socket
+slave_status() {
+ # see if slave status can be reported
+ local err=0 slave_status=$(mysql -S $MYSQL_SOCKET -e 'show slave status\G')
+ if [ -z "$slave_status" ]; then
+ # slave not setup
+ return
+ fi
+
+ printf "Slave Status:\n"
+
+ eval $(echo "$slave_status" | awk -F': ' '/^ *[A-Za-z_]+:/{
+ k = tolower($1);
+ v = substr($0, length($1) + 3);
+ gsub(/\\/, "\\\\\\", v);
+ gsub(/"/, "\\\"", v);
+ gsub(/`/, "\\`", v);
+ gsub(/\$/, "\\$", v);
+ printf("%s=\"%s\";\n", k, v);
+ }')
+
+ if [ "$slave_io_running" != "Yes" ]; then
+ printf "\tSlave IO not running\n"
+ err=1
+ fi
+ if [ "$slave_sql_running" != "Yes" ]; then
+ printf "\tSlave SQL not running\n"
+ err=1
+ fi
+
+ if [ "$err" = 1 -a "$last_errno" -gt 0 ]; then
+ printf "\tERROR $last_errno: $last_error\n"
+ fi
+
+ if [ "$master_log_file" != "$relay_master_log_file" ]; then
+ printf "\tERROR logfile mismatch ($relay_master_log_file)\n"
+ err=1
+ fi
+
+ if [ -z "$read_master_log_pos" -o -z "$exec_master_log_pos" ]; then
+ printf "\tERROR No info about master\n"
+ err=1
+ return
+ fi
+
+ diff=$(($read_master_log_pos - $exec_master_log_pos))
+ printf "\tread pos: $read_master_log_pos ($master_log_file) (host: $master_host:$master_port)\n"
+ printf "\texec pos: $exec_master_log_pos\n"
+ printf "\tdiff: $diff\n"
+}
+
#
# check for running mysql instances; if any instance is running then
# create subsys lock file
}
mysqlinit() {
- clusterdir="$1"
+ local clusterdir="$1"
if [ -f /etc/mysqld.conf ]; then
nls "Running in \`no cluster compat' mode: can't initialize database."
MYSQL_CONFIG="$MYSQL_CLUSTER_DIR/mysqld.conf"
fi
- show "Initializing cluster %s" "$clusterdir"; echo
+ show "Initializing cluster %s" "$clusterdir"; started
# Check if not exist init database
if [ -d "$MYSQL_DATA_DIR/mysql" ]; then
--defaults-file=$MYSQL_CLUSTER_DIR/mysqld.conf \
--bootstrap \
--skip-grant-tables \
- --skip-innodb \
--datadir=$MYSQL_DATA_DIR \
--user=$MYSQL_USER \
--slave-load-tmpdir=$MYSQL_DATA_DIR \
--defaults-file=$MYSQL_CLUSTER_DIR/mysqld.conf \
--bootstrap \
--skip-grant-tables \
- --skip-bdb \
- --skip-innodb \
- --skip-ndbcluster \
--datadir=$MYSQL_DATA_DIR \
--user=$MYSQL_USER \
--slave-load-tmpdir=$MYSQL_DATA_DIR \
#
start() {
+ local mysqldir
for mysqldir in $DB_CLUSTERS; do
mysqlstatus "$mysqldir" start
if [ "$MYSQL_STATUS" = "running" ]; then
}
stop() {
+ local mysqldir
for mysqldir in $DB_CLUSTERS; do
mysqlstatus "$mysqldir" stop
if [ "$MYSQL_STATUS" = "not running" ]; then
}
condrestart() {
- if [ -f /var/lock/subsys/mysql ]; then
- stop
- start
- else
+ if [ ! -f /var/lock/subsys/mysql ]; then
msg_not_running "MySQL"
RETVAL=$1
+ return
fi
+
+ stop
+ start
}
RETVAL=0
case "$action" in
start)
- start
+ start
;;
stop)
- stop
+ stop
;;
restart)
stop
force-reload)
condrestart 7
;;
+ init)
+ for mysqldir in $DB_CLUSTERS; do
+ mysqlinit "$mysqldir"
+ done
+ exit $?
+ ;;
+ flush-logs)
+ for mysqldir in $DB_CLUSTERS; do
+ mysqlgetconfig "$mysqldir"
+ # just if mysqld is really running
+ if /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" ping >/dev/null 2>&1; then
+ /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" flush-logs
+ fi
+ done
+ ;;
status)
+ RETVAL=3
for mysqldir in $DB_CLUSTERS; do
mysqlstatus "$mysqldir"
if [ "$MYSQL_STATUS" = "running" ]; then
+ RETVAL=0
addr=${MYSQL_BIND_ADDRESS:-0.0.0.0}
port=${MYSQL_PORT:-3306}
socket=${MYSQL_SOCKET:-/var/lib/mysql/mysql.sock}
pid=$MYSQL_PID
nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
[ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n" "$addr" "$port"
- nls "\tunix:%s\n" "$socket"
+ nls "\tunix: %s\n" "$socket"
+
+ MYSQL_SOCKET=$socket slave_status
+
pids="$pids/$MYSQL_PID/"
progress "$MYSQL_STATUS"
else
socket=${MYSQL_SOCKET:-/var/lib/mysql/mysql.sock}
nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
[ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n" "$addr" "$port"
- nls "\tunix:%s\n" "$socket"
+ nls "\tunix: %s\n" "$socket"
+
+ MYSQL_SOCKET=$socket slave_status
+
progress "$MYSQL_STATUS"
else
show "MySQL cluster %s" "$mysqldir"
done
fi
;;
- init)
- for mysqldir in $DB_CLUSTERS; do
- mysqlinit "$mysqldir"
- done
- exit $?
- ;;
- flush-logs)
- for mysqldir in $DB_CLUSTERS; do
- mysqlgetconfig "$mysqldir"
- # just if mysqld is really running
- if /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" ping >/dev/null 2>&1; then
- /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" flush-logs
- fi
- done
- ;;
*)
- msg_usage "$0 {start|stop|init|restart|try-restart|force-reload|status}"
+ msg_usage "$0 {start|stop|restart|try-restart|force-reload|init|flush-logs|status}"
exit 3
esac
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