mysql.init

   1 #!/bin/sh
   2 #
   3 # mysql         A very fast and reliable SQL database engine
   4 #
   5 # chkconfig:    2345 84 25
   6 #
   7 # description:  A very fast and reliable SQL database engine.
   8 #
   9 # $Id$
  10
  11 # Source function library
  12 . /etc/rc.d/init.d/functions
  13
  14 # Get network config
  15 . /etc/sysconfig/network
  16
  17 # Get service config
  18 if [ -f /etc/sysconfig/mysql ]; then
  19         . /etc/sysconfig/mysql
  20 else
  21         nls "Error: %s not found" /etc/sysconfig/mysql
  22         nls "%s can't be run." MySQL
  23         exit 1
  24 fi
  25
  26 if [ -n "$MYSQL_DB_CLUSTERS" ]; then
  27         nls "Warning: MYSQL_DB_CLUSTERS is set. It's obsolete. Use %s instead." /etc/mysql/clusters.conf
  28 fi
  29
  30 if [ -f /etc/mysql/clusters.conf ]; then
  31         MYSQL_DB_CLUSTERS=$(awk -F= '!/^#/ && /=/{print $2}' /etc/mysql/clusters.conf)
  32         if [ -z "$MYSQL_DB_CLUSTERS"  ]; then
  33                 nls "Warning: there are no configured clusters."
  34         fi
  35
  36 else
  37         nls "Warning: Missing clusters config file %s" /etc/mysql/clusters.conf
  38         if [ -z "$MYSQL_DB_CLUSTERS"  ]; then
  39                 nls "Warning: there are no configured clusters."
  40                 nls "Using default cluster /var/lib/mysql (compatibility mode)"
  41                 MYSQL_DB_CLUSTERS=/var/lib/mysql
  42         fi
  43 fi
  44
  45
  46 # Check that networking is up
  47 if is_yes "${NETWORKING}"; then
  48         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status -a "$1" != init ]; then
  49                 msg_network_down MySQL
  50                 exit 1
  51         fi
  52 else
  53         exit 0
  54 fi
  55
  56 action="$1"
  57
  58 # any db cluster as command line argument?
  59 if [ $# -gt 1 ]; then
  60         shift
  61         # perform action for specified clusters only
  62         for a in "$@"; do
  63                 # try auto resolving from /etc/mysql/clusters.conf
  64                 if [[ "$a" != /* ]]; then
  65                         m=$(awk -va="$a" -F= 'substr($0, 1, length(a)) == a {print $1}' /etc/mysql/clusters.conf)
  66                         if [ -z "$m" ]; then
  67                                 echo >&2 "Cluster name '$a' did not match anything!"
  68                                 exit 1
  69                         fi
  70                         if [ $(echo "$m" | wc -l) -gt 1 ]; then
  71                                 echo >&2 "Cluster name '$a' ambiguous:" $m
  72                                 exit 1
  73                         fi
  74                         a=$(awk -va="$a" -F= 'substr($0, 1, length(a)) == a {print $2}' /etc/mysql/clusters.conf)
  75                 fi
  76                 DB_CLUSTERS="$DB_CLUSTERS $a"
  77         done
  78 else
  79         DB_CLUSTERS="$MYSQL_DB_CLUSTERS"
  80 fi
  81
  82 # global error log, if mysqld.conf hasn't migrated to log-error style
  83 MYSQL_ERRLOG=/var/log/mysql/mysqld.log
  84 MYSQL_STOP_WAIT_TIME=${MYSQL_STOP_WAIT_TIME:-900}
  85
  86 #
  87 # Useful functions.
  88 #
  89
  90 #
  91 # check for mysql status
  92 #
  93 # arguments:
  94 # $1 - db cluster
  95 # $2 - start|stop
  96 #
  97 # sets variables:
  98 # MYSQL_STATUS = starting | running | not running | died
  99 # MYSQL_PID    = pid of mysqld process
 100 #
 101 mysqlstatus() {
 102         clusterdir="$1"
 103         mode="$2"
 104
 105         mysqlgetconfig "$clusterdir"
 106
 107         MYSQL_STATUS="not running"
 108         MYSQL_PID="unknown"
 109         MYSQL_PIDFILE_PID=""
 110         MYSQL_GREP_PID=""
 111
 112         if [ -f "$MYSQL_PIDFILE" ]; then
 113                 MYSQL_PIDFILE_PID=$(cat "$MYSQL_PIDFILE")
 114         fi
 115
 116         if [ -n "$MYSQL_PIDFILE_PID" ]; then
 117                 MYSQL_PID=$MYSQL_PIDFILE_PID
 118                 if [ ! -d "/proc/$MYSQL_PID" ]; then
 119                         MYSQL_STATUS="died"
 120                         return
 121                 elif (grep -qa "$MYSQL_PIDFILE" /proc/$MYSQL_PID/cmdline 2> /dev/null); then
 122                         MYSQL_STATUS="running"
 123                         return
 124                 fi
 125         fi
 126
 127         if [ "$mode" = "start" ]; then
 128                 MYSQL_GREP_PID=$(grep -lE "^/usr/sbin/mysqld.*${MYSQL_PIDFILE}" /proc/[0-9]*/cmdline 2> /dev/null | awk -F "/" '{ print $3; exit; }')
 129                 if [ -n "$MYSQL_GREP_PID" ]; then
 130                         MYSQL_PID=$MYSQL_GREP_PID
 131                         if grep -qa "$MYSQL_PIDFILE" /proc/$MYSQL_PID/cmdline 2> /dev/null; then
 132                                 if [ -f "$MYSQL_PIDFILE" ]; then
 133                                         MYSQL_PIDFILE_PID=$(cat "$MYSQL_PIDFILE")
 134                                 fi
 135                                 if [ -n "$MYSQL_PIDFILE_PID" ]; then
 136                                         MYSQL_PID=$MYSQL_PIDFILE_PID
 137                                         MYSQL_STATUS="running"
 138                                         return
 139                                 else
 140                                         MYSQL_STATUS="starting"
 141                                         return
 142                                 fi
 143                         fi
 144                 fi
 145         fi
 146
 147         # else default, "not running"
 148 }
 149
 150 # get mysql configuration in variables
 151 # MYSQL_CONFIG MYSQL_CLUSTER_DIR
 152 # MYSQL_DATA_DIR MYSQL_USER MYSQL_PIDFILE MYSQL_SOCKET MYSQL_PORT MYSQL_BIND_ADDRESS MYSQL_SKIP_NETWORKING MYSQL_LOG_ERROR
 153 #
 154 # arguments
 155 # $1 - db cluster
 156
 157 mysqlgetconfig() {
 158         local clusterdir="$1" config_file
 159
 160         # emulate old behaviour if only one cluster specified
 161         if [ "$clusterdir" = "$MYSQL_DB_CLUSTERS" -a "$clusterdir" = "/var/lib/mysql" -a -f /etc/mysqld.conf ]; then
 162                 MYSQL_RA_COMPAT=yes
 163                 config_file=/etc/mysqld.conf
 164         else
 165                 local config=$(awk -F= -vclusterdir="$clusterdir" '!/^#/{ if (clusterdir == $2) print $1}' /etc/mysql/clusters.conf)
 166                 if [[ $config = /* ]]; then
 167                         config_file="$config"
 168                 elif [ -f "/etc/mysql/$config" ]; then
 169                         config_file="/etc/mysql/$config"
 170                 else
 171                         config_file="$clusterdir/mysqld.conf"
 172                 fi
 173         fi
 174
 175         MYSQL_CLUSTER_DIR="$clusterdir"
 176
 177         if [ -z "$config_file" ]; then
 178                 nls "Error: Can't find config file for %s cluster" "$clusterdir"
 179                 exit 6
 180         else
 181                 MYSQL_CONFIG="$config_file"
 182         fi
 183
 184         if [ ! -f "$config_file" ]; then
 185                 nls "Error: config file %s not found" "$config_file"
 186                 nls "MySQL can't be run. Did you initialize DB by doing \`$0 init'?"
 187                 exit 6
 188         fi
 189
 190         # reset to initial state
 191         MYSQL_DATA_DIR= MYSQL_USER= MYSQL_PIDFILE= MYSQL_SOCKET= MYSQL_PORT= MYSQL_BIND_ADDRESS= MYSQL_SKIP_NETWORKING= MYSQL_LOG_ERROR=
 192
 193         eval `awk -F= '
 194         {
 195                 # undos
 196                 gsub(/\r$/, "");
 197
 198                 # trim spaces
 199                 gsub(/^[\t ]+|[\t ]+$/, "", $1);
 200                 gsub(/^[\t ]+|[\t ]+$/, "", $2);
 201         }
 202
 203         # skip comments and empty lines
 204         /^[;#]|^ *$/ { next }
 205
 206         /^[ \t]*\[.*\][ \t]*$/ {
 207                 match($0, /\[.*\]/);
 208                 section = substr($0, RSTART + 1, RSTART + RLENGTH - 3);
 209                 next;
 210         }
 211
 212         section == "mysqld" {
 213                 if ($1 == "datadir") {
 214                         printf("MYSQL_DATA_DIR=%s;", $2);
 215                 } else if ($1 == "user") {
 216                         printf("MYSQL_USER=%s;", $2);
 217                 } else if ($1 == "pid-file") {
 218                         printf("MYSQL_PIDFILE=%s;", $2);
 219                 } else if ($1 == "socket") {
 220                         printf("MYSQL_SOCKET=%s;", $2);
 221                 } else if ($1 == "port") {
 222                         printf("MYSQL_PORT=%s;", $2);
 223                 } else if ($1 == "bind-address") {
 224                         printf("MYSQL_BIND_ADDRESS=%s;", $2);
 225                 } else if ($1 == "skip-networking") {
 226                         printf("MYSQL_SKIP_NETWORKING=1;");
 227                 } else if ($1 == "log-error") {
 228                         printf("MYSQL_LOG_ERROR=%s;", $2);
 229                 }
 230         }
 231         ' $config_file`
 232
 233         # error log not defined in config file. add one
 234         if [ -z "$MYSQL_LOG_ERROR" ]; then
 235                 MYSQL_LOG_ERROR=$MYSQL_ERRLOG
 236         else
 237                 # unset, so mysqld would use value from config itself
 238                 unset MYSQL_LOG_ERROR
 239         fi
 240
 241         if is_yes "$MYSQL_RA_COMPAT"; then
 242                 MYSQL_DATA_DIR_SUB=""
 243         else
 244                 MYSQL_DATA_DIR_SUB="/mysqldb"
 245         fi
 246
 247         if [ -z "$MYSQL_DATA_DIR" -o "$MYSQL_DATA_DIR" != "${clusterdir}${MYSQL_DATA_DIR_SUB}/db" ]; then
 248                 nls "Error: datadir specified in %s should be %s" "$config_file" "$clusterdir${MYSQL_DATA_DIR_SUB}/db"
 249                 nls " MySQL can't be run."
 250                 exit 6
 251         fi
 252
 253         if [ -z "$MYSQL_PIDFILE" -o "$MYSQL_PIDFILE" != "$clusterdir${MYSQL_DATA_DIR_SUB}/mysql.pid" ]; then
 254                 nls "Error: pid-file specified in %s should be %s" "$config_file" "$clusterdir${MYSQL_DATA_DIR_SUB}/mysql.pid"
 255                 nls " MySQL can't be run."
 256                 exit 6
 257         fi
 258
 259         if [ -z "$MYSQL_USER" ]; then
 260                 echo "$(nls 'MySQL user not configured properly')"'!' >&2
 261                 nls "Edit %s and configure it." "$config_file" >&2
 262                 exit 6
 263         fi
 264 }
 265
 266 # start mysql
 267 mysqlstart() {
 268         local clusterdir="$1"
 269         mysqlgetconfig "$clusterdir"
 270         if [ ! -d "$MYSQL_DATA_DIR/mysql" ]; then
 271                 nls "MySQL cluster %s not initialized." "$clusterdir"
 272                 nls "Try \`%s init %s' before start." "$0" "$clusterdir"
 273                 exit 6
 274         fi
 275
 276         msg_starting "MySQL $clusterdir"; busy
 277         [ -z "$DEFAULT_SERVICE_RUN_NICE_LEVEL" ] && DEFAULT_SERVICE_RUN_NICE_LEVEL=0
 278         rm -f "$MYSQL_PIDFILE"
 279
 280
 281         TMPDIR=/tmp nice -n ${SERVICE_RUN_NICE_LEVEL:-$DEFAULT_SERVICE_RUN_NICE_LEVEL} \
 282                 /usr/bin/setsid /usr/sbin/mysqld \
 283                         --defaults-file=$MYSQL_CONFIG \
 284                         --datadir=$MYSQL_DATA_DIR \
 285                         --pid-file=$MYSQL_PIDFILE \
 286                         ${MYSQL_LOG_ERROR:+--log-error="$MYSQL_LOG_ERROR"} \
 287                         $MYSQL_OPTIONS &
 288         pid=$!
 289
 290         sleep 0.1
 291         mysqlstatus "$clusterdir" start
 292         # it takes longer for mysqld to start and create pidfile if it has to recover innodb transactions
 293         if [ "$MYSQL_STATUS" = "starting" ]; then
 294                 echo ""
 295                 show "Waiting for MySQL to start"
 296                 busy
 297
 298                 # while the pid is running, mysql is starting up
 299                 # if the pidfile was created, it started up successfully
 300                 # if either case fails we break and report status
 301                 while true; do
 302                         [ -d /proc/$pid ] || break
 303                         [ -f "$MYSQL_PIDFILE" ] && break
 304                         sleep 0.2
 305                 done
 306         fi
 307
 308         mysqlstatus "$clusterdir" start
 309         if [ "$MYSQL_STATUS" = "running" -a "$MYSQL_PID" != "unknown" ]; then
 310                 ok
 311         elif [ "$MYSQL_STATUS" = "died" ]; then
 312                 RETVAL=1
 313                 died
 314         else
 315                 RETVAL=1
 316                 fail
 317         fi
 318 }
 319
 320 # stop mysql
 321 mysqlstop() {
 322         local clusterdir="$1"
 323         mysqlstatus "$clusterdir" stop
 324         msg_stopping "MySQL $clusterdir"
 325         busy
 326
 327         # try graceful shutdown -- send shutdown command
 328         # requires mysql_sysadmin user proper privs
 329         /usr/bin/mysqladmin --defaults-file=$MYSQL_CONFIG ${MYSQL_SOCKET:+--socket=$MYSQL_SOCKET} shutdown >/dev/null 2>&1
 330         mysqlstatus "$clusterdir" stop
 331
 332         if [ "$MYSQL_PID" != "unknown" ]; then
 333                 kill -TERM "$MYSQL_PID" 2> /dev/null
 334                 for nr in $(seq 1 $(($MYSQL_STOP_WAIT_TIME*10))); do
 335                         [ -d "/proc/$MYSQL_PID" ] || break
 336                         sleep 0.1
 337                 done
 338         fi
 339
 340         mysqlstatus "$clusterdir" stop
 341         if [ "$MYSQL_STATUS" = "died" ]; then
 342                 died
 343         elif [ "$MYSQL_STATUS" = "running" -o "$MYSQL_STATUS" = "starting" ]; then
 344                 fail
 345         else
 346                 ok
 347         fi
 348 }
 349
 350 #
 351 # check for running mysql instances; if any instance is running then
 352 # create subsys lock file
 353 #
 354 mysqlsubsys() {
 355         # check for every defined db cluster in sysconfig file
 356         for mysqldir in $DB_CLUSTERS; do
 357                 mysqlstatus "$mysqldir"
 358                 if [ "$MYSQL_STATUS" = "running" ]; then
 359                         touch /var/lock/subsys/mysql
 360                         return
 361                 fi
 362         done
 363         rm -f /var/lock/subsys/mysql
 364 }
 365
 366 mysqlinit() {
 367         local clusterdir="$1"
 368
 369         if [ -f /etc/mysqld.conf ]; then
 370                 nls "Running in \`no cluster compat' mode: can't initialize database."
 371                 nls "Move /etc/mysqld.conf away and rerun \`$0 init' (new config will be in $clusterdir)."
 372                 exit 1
 373         fi
 374
 375         if [ -f "$clusterdir/mysqld.conf" ]; then
 376                 mysqlgetconfig "$clusterdir"
 377         else
 378                 MYSQL_USER="mysql"
 379                 MYSQL_CLUSTER_DIR="$clusterdir"
 380                 MYSQL_DATA_DIR="$clusterdir/mysqldb/db"
 381                 MYSQL_PIDFILE="$clusterdir/mysqldb/mysql.pid"
 382                 MYSQL_SOCKET="$clusterdir/mysqldb/mysql.sock"
 383
 384                 # this $MYSQL_CONFIG will be created later
 385                 MYSQL_CONFIG="$MYSQL_CLUSTER_DIR/mysqld.conf"
 386         fi
 387
 388         show "Initializing cluster %s" "$clusterdir"; echo
 389
 390         # Check if not exist init database
 391         if [ -d "$MYSQL_DATA_DIR/mysql" ]; then
 392                 nls "Seems that database is initialized now. Remove by hand %s" "$MYSQL_DATA_DIR/mysql"
 393                 nls "before initializing database."
 394                 nls "For now skipping cluster %s." "$clusterdir"
 395                 return
 396         fi
 397
 398         show "Installing MySQL system tables for $MYSQL_DATA_DIR"
 399         busy
 400         TMP=/tmp TMPDIR=/tmp
 401
 402         mkdir -p "$MYSQL_DATA_DIR" > /dev/null 2>&1
 403         # Using mysql:mysql for MYSQL_CLUSTER_DIR is creating SECURITY hole, root:root is proper
 404         chown root:root "$MYSQL_CLUSTER_DIR"
 405         chown mysql:mysql "$MYSQL_CLUSTER_DIR/mysqldb" "$MYSQL_DATA_DIR" > /dev/null 2>&1
 406         chmod 751 "$MYSQL_CLUSTER_DIR" "$MYSQL_CLUSTER_DIR/mysqldb"
 407
 408         if [ -f /usr/share/mysql/mysqld.conf -a ! -f "$MYSQL_CLUSTER_DIR/mysqld.conf" ]; then
 409             sed -e "
 410                 s#\(datadir.*\)=.*#\1= $MYSQL_DATA_DIR#g;
 411                 s#\(pid-file.*\)=.*#\1= $MYSQL_PIDFILE#g;
 412                 s#\(socket.*\)=.*#\1= $MYSQL_SOCKET#g;
 413                 s#@clusterdir@#$MYSQL_CLUSTER_DIR#g;
 414                 " /usr/share/mysql/mysqld.conf > "$MYSQL_CLUSTER_DIR/mysqld.conf"
 415             chown root:root "$MYSQL_CLUSTER_DIR/mysqld.conf"
 416             chmod 640 "$MYSQL_CLUSTER_DIR/mysqld.conf"
 417         fi
 418
 419         if [ ! -e /var/lib/mysql/mysql.sock ] || [ -L /var/lib/mysql/mysql.sock ] && [ -z "$(readlink /var/lib/mysql/mysql.sock)" ]; then
 420                 sock=${MYSQL_SOCKET#/var/lib/mysql/} # make it relative if possible
 421             ln -s "$sock" /var/lib/mysql/mysql.sock
 422         fi
 423
 424         cat > $MYSQL_DATA_DIR/mysql-init.sql <<-EOF
 425                 CREATE DATABASE mysql;
 426                 use mysql;
 427                 $(cat /usr/share/mysql/mysql_system_tables.sql)
 428                 $(sed -e "/@current_hostname/d" /usr/share/mysql/mysql_system_tables_data.sql)
 429 EOF
 430
 431         ok=0
 432         /usr/sbin/mysqld \
 433                 --defaults-file=$MYSQL_CLUSTER_DIR/mysqld.conf \
 434                 --bootstrap \
 435                 --skip-grant-tables \
 436                 --skip-innodb \
 437                 --datadir=$MYSQL_DATA_DIR \
 438                 --user=$MYSQL_USER \
 439                 --slave-load-tmpdir=$MYSQL_DATA_DIR \
 440                 --tmpdir=$MYSQL_DATA_DIR \
 441                 --log-error=$MYSQL_ERRLOG \
 442                 < $MYSQL_DATA_DIR/mysql-init.sql && ok=1
 443         [ -f $MYSQL_DATA_DIR/mysql/host.frm ] || ok=0
 444
 445         if [ "$ok" = 1 ]; then
 446                 rm -f $MYSQL_DATA_DIR/mysql-init.sql
 447                 ok
 448                 cat << END_OF_MSG
 449
 450 PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL USERS!
 451 This is done, after starting database, in the order shown,
 452 with:
 453
 454 For 'mysql_sysadmin' (RELOAD and SHUTDOWN privileges):
 455 echo "update mysql.user set password=password('newpassword') where user='mysql_sysadmin'; FLUSH PRIVILEGES;" | mysql -u mysql -S $MYSQL_SOCKET
 456
 457 For 'mysql' user (ALL privileges, DB admin):
 458 echo "update mysql.user set password=password('newpassword') where user='mysql'; FLUSH PRIVILEGES;" | mysql -u mysql -S $MYSQL_SOCKET
 459
 460 NOTE: mysql_sysadmin password should be placed to $MYSQL_CONFIG in
 461 mysqladmin section. See the manual for more instructions.
 462 (This user is used at logs rotation and server shutdown)
 463
 464 END_OF_MSG
 465                 show "Filling help tables..."
 466                 ok=0
 467                 ( echo "use mysql;"; cat /usr/share/mysql/fill_help_tables.sql ) | \
 468                         /usr/sbin/mysqld \
 469                         --defaults-file=$MYSQL_CLUSTER_DIR/mysqld.conf \
 470                         --bootstrap \
 471                         --skip-grant-tables \
 472                         --skip-innodb \
 473                         --datadir=$MYSQL_DATA_DIR \
 474                         --user=$MYSQL_USER \
 475                         --slave-load-tmpdir=$MYSQL_DATA_DIR \
 476                         --tmpdir=$MYSQL_DATA_DIR \
 477                         --log-error=$MYSQL_ERRLOG \
 478                         && ok=1
 479                 if [ "$ok" = 1 ]; then
 480                         ok
 481                 else
 482                         cat << END_OF_MSG
 483
 484 WARNING: HELP FILES ARE NOT COMPLETELY INSTALLED!
 485 The "HELP" command might not work properly.
 486
 487 END_OF_MSG
 488                 fi
 489         else
 490                 fail
 491                 cat << END_OF_MSG
 492 Installation of grant tables FAILED!
 493
 494 The initialization SQL script was preserved at $MYSQL_DATA_DIR/mysql-init.sql
 495
 496 Examine the logs in /var/log/mysql for more information.  You can
 497 also try to start the mysqld daemon with:
 498
 499 /usr/sbin/mysqld --skip-grant &
 500
 501 You can use the command line tool mysql to connect to the mysql
 502 database and look at the grant tables:
 503
 504 shell> mysql -u mysql mysql
 505 mysql> show tables
 506
 507 Try 'mysqld --help' if you have problems with paths. Setting on
 508 logging in $MYSQL_DATA_DIR/mysqld.conf gives you a log in /var/log/mysql/query.log that
 509 may be helpful. The latest information about MySQL is available on the
 510 web at http://www.mysql.com/.
 511
 512 Please check PLD Linux ftp site for newer versions of this package.
 513
 514 Please consult the MySQL manual section: 'Problems running
 515 mysql_install_db', and the manual section that describes problems on
 516 your OS.  Another information source is the MySQL email archive.
 517
 518 END_OF_MSG
 519                 exit 1
 520         fi
 521 }
 522
 523 #
 524 # End of useful functions.
 525 #
 526
 527 start() {
 528         local mysqldir
 529         for mysqldir in $DB_CLUSTERS; do
 530                 mysqlstatus "$mysqldir" start
 531                 if [ "$MYSQL_STATUS" = "running" ]; then
 532                         msg_already_running "MySQL $mysqldir"
 533                 else
 534                         mysqlstart "$mysqldir"
 535                 fi
 536         done
 537         mysqlsubsys
 538 }
 539
 540 stop() {
 541         local mysqldir
 542         for mysqldir in $DB_CLUSTERS; do
 543                 mysqlstatus "$mysqldir" stop
 544                 if [ "$MYSQL_STATUS" = "not running" ]; then
 545                         msg_not_running "MySQL $mysqldir"
 546                 else
 547                         mysqlstop "$mysqldir"
 548                 fi
 549         done
 550         mysqlsubsys
 551 }
 552
 553 condrestart() {
 554         if [ ! -f /var/lock/subsys/mysql ]; then
 555                 msg_not_running "MySQL"
 556                 RETVAL=$1
 557                 return
 558         fi
 559
 560         stop
 561         start
 562 }
 563
 564 RETVAL=0
 565 case "$action" in
 566   start)
 567         start
 568         ;;
 569   stop)
 570         stop
 571         ;;
 572   restart)
 573         stop
 574         start
 575         ;;
 576   try-restart)
 577         condrestart 0
 578         ;;
 579   force-reload)
 580         condrestart 7
 581         ;;
 582   init)
 583         for mysqldir in $DB_CLUSTERS; do
 584                 mysqlinit "$mysqldir"
 585         done
 586         exit $?
 587         ;;
 588   flush-logs)
 589         for mysqldir in $DB_CLUSTERS; do
 590             mysqlgetconfig "$mysqldir"
 591                 # just if mysqld is really running
 592                 if /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" ping >/dev/null 2>&1; then
 593                         /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" flush-logs
 594                 fi
 595         done
 596         ;;
 597   status)
 598         for mysqldir in $DB_CLUSTERS; do
 599                 mysqlstatus "$mysqldir"
 600                 if [ "$MYSQL_STATUS" = "running" ]; then
 601                         addr=${MYSQL_BIND_ADDRESS:-0.0.0.0}
 602                         port=${MYSQL_PORT:-3306}
 603                         socket=${MYSQL_SOCKET:-/var/lib/mysql/mysql.sock}
 604                         pid=$MYSQL_PID
 605                         nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
 606                         [ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n" "$addr" "$port"
 607                         nls "\tunix:%s\n" "$socket"
 608                         pids="$pids/$MYSQL_PID/"
 609                         progress "$MYSQL_STATUS"
 610                 else
 611                         show "MySQL cluster %s" "$mysqldir"
 612                         progress "$MYSQL_STATUS" "$CFAIL"
 613                 fi
 614                 echo
 615         done
 616
 617         for pid in $(/sbin/pidof mysqld); do
 618                 if [[ $pids != */$pid/* ]]; then
 619                         running="$running $pid"
 620                 fi
 621         done
 622
 623         if [ $# = 1 -a "$running" ]; then
 624                 nls "Warning: MySQL Daemon processes not under clusters.conf control:"
 625                 # see if we can display their status
 626                 for pid in $running; do
 627                         datadir=$(cat /proc/$pid/cmdline | tr '\0' '\n' | fgrep -- --datadir=)
 628                         datadir=${datadir#--datadir=} # strip --datadir
 629                         mysqldir=${datadir%/mysqldb/db} # strip /mysqldb/db
 630                         mysqlstatus "$mysqldir"
 631                         if [ "$MYSQL_STATUS" = "running" ]; then
 632                                 addr=${MYSQL_BIND_ADDRESS:-0.0.0.0}
 633                                 port=${MYSQL_PORT:-3306}
 634                                 socket=${MYSQL_SOCKET:-/var/lib/mysql/mysql.sock}
 635                                 nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
 636                                 [ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n" "$addr" "$port"
 637                                 nls "\tunix:%s\n" "$socket"
 638                                 progress "$MYSQL_STATUS"
 639                         else
 640                                 show "MySQL cluster %s" "$mysqldir"
 641                                 progress "$MYSQL_STATUS" "$CFAIL"
 642                         fi
 643                         echo
 644                 done
 645         fi
 646         ;;
 647   *)
 648         msg_usage "$0 {start|stop|restart|try-restart|force-reload|init|flush-logs|status}"
 649         exit 3
 650 esac
 651
 652 exit $RETVAL