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 # Source function library
  10 . /etc/rc.d/init.d/functions
  11
  12 # Get network config
  13 . /etc/sysconfig/network
  14
  15 # Get service config
  16 if [ -f /etc/sysconfig/mysql ]; then
  17         . /etc/sysconfig/mysql
  18 else
  19         nls "Error: %s not found" /etc/sysconfig/mysql
  20         nls "%s can't be run." MySQL
  21         exit 1
  22 fi
  23
  24 if [ -n "$MYSQL_DB_CLUSTERS" ]; then
  25         nls "Warning: MYSQL_DB_CLUSTERS is set. It's obsolete. Use %s instead." /etc/mysql/clusters.conf
  26 fi
  27
  28 if [ -f /etc/mysql/clusters.conf ]; then
  29         MYSQL_DB_CLUSTERS=$(awk -F= '!/^#/ && /=/{print $2}' /etc/mysql/clusters.conf)
  30         if [ -z "$MYSQL_DB_CLUSTERS"  ]; then
  31                 nls "Warning: there are no configured clusters."
  32         fi
  33
  34 else
  35         nls "Warning: Missing clusters config file %s" /etc/mysql/clusters.conf
  36         if [ -z "$MYSQL_DB_CLUSTERS"  ]; then
  37                 nls "Warning: there are no configured clusters."
  38                 nls "Using default cluster /var/lib/mysql (compatibility mode)"
  39                 MYSQL_DB_CLUSTERS=/var/lib/mysql
  40         fi
  41 fi
  42
  43
  44 # Check that networking is up
  45 if is_yes "${NETWORKING}"; then
  46         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status -a "$1" != init ]; then
  47                 msg_network_down MySQL
  48                 exit 1
  49         fi
  50 else
  51         exit 0
  52 fi
  53
  54 action="$1"
  55
  56 # any db cluster as command line argument?
  57 if [ $# -gt 1 ]; then
  58         shift
  59         # perform action for specified clusters only
  60         for a in "$@"; do
  61                 # try auto resolving from /etc/mysql/clusters.conf
  62                 if [[ "$a" != /* ]]; then
  63                         m=$(awk -va="$a" -F= 'substr($0, 1, length(a)) == a {print $1}' /etc/mysql/clusters.conf)
  64                         if [ -z "$m" ]; then
  65                                 echo >&2 "Cluster name '$a' did not match anything!"
  66                                 exit 1
  67                         fi
  68                         if [ $(echo "$m" | wc -l) -gt 1 ]; then
  69                                 echo >&2 "Cluster name '$a' ambiguous:" $m
  70                                 exit 1
  71                         fi
  72                         a=$(awk -va="$a" -F= 'substr($0, 1, length(a)) == a {print $2}' /etc/mysql/clusters.conf)
  73                 fi
  74                 DB_CLUSTERS="$DB_CLUSTERS $a"
  75         done
  76 else
  77         DB_CLUSTERS="$MYSQL_DB_CLUSTERS"
  78 fi
  79
  80 # global error log, if mysqld.conf hasn't migrated to log-error style
  81 MYSQL_ERRLOG=/var/log/mysql/mysqld.log
  82 MYSQL_STOP_WAIT_TIME=${MYSQL_STOP_WAIT_TIME:-900}
  83
  84 #
  85 # Useful functions.
  86 #
  87
  88 #
  89 # check for mysql status
  90 #
  91 # arguments:
  92 # $1 - db cluster
  93 # $2 - start|stop
  94 #
  95 # sets variables:
  96 # MYSQL_STATUS = starting | running | not running | died
  97 # MYSQL_PID    = pid of mysqld process
  98 #
  99 mysqlstatus() {
 100         clusterdir="$1"
 101         mode="$2"
 102
 103         mysqlgetconfig "$clusterdir"
 104
 105         MYSQL_STATUS="not running"
 106         MYSQL_PID="unknown"
 107         MYSQL_PIDFILE_PID=""
 108         MYSQL_GREP_PID=""
 109
 110         if [ -f "$MYSQL_PIDFILE" ]; then
 111                 MYSQL_PIDFILE_PID=$(cat "$MYSQL_PIDFILE")
 112         fi
 113
 114         if [ -n "$MYSQL_PIDFILE_PID" ]; then
 115                 MYSQL_PID=$MYSQL_PIDFILE_PID
 116                 if [ ! -d "/proc/$MYSQL_PID" ]; then
 117                         MYSQL_STATUS="died"
 118                         return
 119                 elif (grep -qa "$MYSQL_PIDFILE" /proc/$MYSQL_PID/cmdline 2> /dev/null); then
 120                         MYSQL_STATUS="running"
 121                         return
 122                 fi
 123         fi
 124
 125         if [ "$mode" = "start" ]; then
 126                 MYSQL_GREP_PID=$(grep -lE "^/usr/sbin/mysqld.*${MYSQL_PIDFILE}" /proc/[0-9]*/cmdline 2> /dev/null | awk -F "/" '{ print $3; exit; }')
 127                 if [ -n "$MYSQL_GREP_PID" ]; then
 128                         MYSQL_PID=$MYSQL_GREP_PID
 129                         if grep -qa "$MYSQL_PIDFILE" /proc/$MYSQL_PID/cmdline 2> /dev/null; then
 130                                 if [ -f "$MYSQL_PIDFILE" ]; then
 131                                         MYSQL_PIDFILE_PID=$(cat "$MYSQL_PIDFILE")
 132                                 fi
 133                                 if [ -n "$MYSQL_PIDFILE_PID" ]; then
 134                                         MYSQL_PID=$MYSQL_PIDFILE_PID
 135                                         MYSQL_STATUS="running"
 136                                         return
 137                                 else
 138                                         MYSQL_STATUS="starting"
 139                                         return
 140                                 fi
 141                         fi
 142                 fi
 143         fi
 144
 145         # else default, "not running"
 146 }
 147
 148 # get mysql configuration in variables
 149 # MYSQL_CONFIG MYSQL_CLUSTER_DIR
 150 # MYSQL_DATA_DIR MYSQL_USER MYSQL_PIDFILE MYSQL_SOCKET MYSQL_PORT MYSQL_BIND_ADDRESS MYSQL_SKIP_NETWORKING MYSQL_LOG_ERROR
 151 #
 152 # arguments
 153 # $1 - db cluster
 154
 155 mysqlgetconfig() {
 156         local clusterdir="$1" config_file
 157
 158         # emulate old behaviour if only one cluster specified
 159         if [ "$clusterdir" = "$MYSQL_DB_CLUSTERS" -a "$clusterdir" = "/var/lib/mysql" -a -f /etc/mysqld.conf ]; then
 160                 MYSQL_RA_COMPAT=yes
 161                 config_file=/etc/mysqld.conf
 162         else
 163                 local config=$(awk -F= -vclusterdir="$clusterdir" '!/^#/{ if (clusterdir == $2) print $1}' /etc/mysql/clusters.conf)
 164                 if [[ $config = /* ]]; then
 165                         config_file="$config"
 166                 elif [ -f "/etc/mysql/$config" ]; then
 167                         config_file="/etc/mysql/$config"
 168                 else
 169                         config_file="$clusterdir/mysqld.conf"
 170                 fi
 171         fi
 172
 173         MYSQL_CLUSTER_DIR="$clusterdir"
 174
 175         if [ -z "$config_file" ]; then
 176                 nls "Error: Can't find config file for %s cluster" "$clusterdir"
 177                 exit 6
 178         else
 179                 MYSQL_CONFIG="$config_file"
 180         fi
 181
 182         if [ ! -f "$config_file" ]; then
 183                 nls "Error: config file %s not found" "$config_file"
 184                 nls "MySQL can't be run. Did you initialize DB by doing \`$0 init'?"
 185                 exit 6
 186         fi
 187
 188         # reset to initial state
 189         MYSQL_DATA_DIR= MYSQL_USER= MYSQL_PIDFILE= MYSQL_SOCKET= MYSQL_PORT= MYSQL_BIND_ADDRESS= MYSQL_SKIP_NETWORKING= MYSQL_LOG_ERROR=
 190
 191         eval `awk -F= '
 192         {
 193                 # undos
 194                 gsub(/\r$/, "");
 195
 196                 # trim spaces
 197                 gsub(/^[\t ]*|[\t ]*$/, "", $1);
 198                 gsub(/^[\t ]*|[\t ]*$/, "", $2);
 199         }
 200
 201         # skip comments and empty lines
 202         /^[;#]|^ *$/ { next }
 203
 204         /^[ \t]*\[.*\][ \t]*$/ {
 205                 match($0, /\[.*\]/);
 206                 section = substr($0, RSTART + 1, RSTART + RLENGTH - 3);
 207                 next;
 208         }
 209
 210         section == "mysqld" {
 211                 if ($1 == "datadir") {
 212                         printf("MYSQL_DATA_DIR=%s;", $2);
 213                 } else if ($1 == "user") {
 214                         printf("MYSQL_USER=%s;", $2);
 215                 } else if ($1 == "pid-file") {
 216                         printf("MYSQL_PIDFILE=%s;", $2);
 217                 } else if ($1 == "socket") {
 218                         printf("MYSQL_SOCKET=%s;", $2);
 219                 } else if ($1 == "port") {
 220                         printf("MYSQL_PORT=%s;", $2);
 221                 } else if ($1 == "bind-address") {
 222                         printf("MYSQL_BIND_ADDRESS=%s;", $2);
 223                 } else if ($1 == "skip-networking") {
 224                         printf("MYSQL_SKIP_NETWORKING=1;");
 225                 } else if ($1 == "log-error") {
 226                         printf("MYSQL_LOG_ERROR=%s;", $2);
 227                 }
 228         }
 229         ' $config_file`
 230
 231         # error log not defined in config file. add one
 232         if [ -z "$MYSQL_LOG_ERROR" ]; then
 233                 MYSQL_LOG_ERROR=$MYSQL_ERRLOG
 234         else
 235                 # unset, so mysqld would use value from config itself
 236                 unset MYSQL_LOG_ERROR
 237         fi
 238
 239         if is_yes "$MYSQL_RA_COMPAT"; then
 240                 MYSQL_DATA_DIR_SUB=""
 241         else
 242                 MYSQL_DATA_DIR_SUB="/mysqldb"
 243         fi
 244
 245         if [ -z "$MYSQL_DATA_DIR" -o "$MYSQL_DATA_DIR" != "${clusterdir}${MYSQL_DATA_DIR_SUB}/db" ]; then
 246                 nls "Error: datadir specified in %s should be %s" "$config_file" "$clusterdir${MYSQL_DATA_DIR_SUB}/db"
 247                 nls " MySQL can't be run."
 248                 exit 6
 249         fi
 250
 251         if [ -z "$MYSQL_PIDFILE" -o "$MYSQL_PIDFILE" != "$clusterdir${MYSQL_DATA_DIR_SUB}/mysql.pid" ]; then
 252                 nls "Error: pid-file specified in %s should be %s" "$config_file" "$clusterdir${MYSQL_DATA_DIR_SUB}/mysql.pid"
 253                 nls " MySQL can't be run."
 254                 exit 6
 255         fi
 256
 257         if [ -z "$MYSQL_USER" ]; then
 258                 echo "$(nls 'MySQL user not configured properly')"'!' >&2
 259                 nls "Edit %s and configure it." "$config_file" >&2
 260                 exit 6
 261         fi
 262 }
 263
 264 # start mysql
 265 mysqlstart() {
 266         local clusterdir="$1"
 267         mysqlgetconfig "$clusterdir"
 268         if [ ! -d "$MYSQL_DATA_DIR/mysql" ]; then
 269                 nls "MySQL cluster %s not initialized." "$clusterdir"
 270                 nls "Try \`%s init %s' before start." "$0" "$clusterdir"
 271                 exit 6
 272         fi
 273
 274         msg_starting "MySQL $clusterdir"; busy
 275         [ -z "$DEFAULT_SERVICE_RUN_NICE_LEVEL" ] && DEFAULT_SERVICE_RUN_NICE_LEVEL=0
 276         rm -f "$MYSQL_PIDFILE"
 277
 278
 279         TMPDIR=/tmp nice -n ${SERVICE_RUN_NICE_LEVEL:-$DEFAULT_SERVICE_RUN_NICE_LEVEL} \
 280                 /usr/bin/setsid /usr/sbin/mysqld \
 281                         --defaults-file=$MYSQL_CONFIG \
 282                         --datadir=$MYSQL_DATA_DIR \
 283                         --pid-file=$MYSQL_PIDFILE \
 284                         ${MYSQL_LOG_ERROR:+--log-error="$MYSQL_LOG_ERROR"} \
 285                         $MYSQL_OPTIONS &
 286         pid=$!
 287
 288         sleep 0.1
 289         mysqlstatus "$clusterdir" start
 290         # it takes longer for mysqld to start and create pidfile if it has to recover innodb transactions
 291         if [ "$MYSQL_STATUS" = "starting" ]; then
 292                 echo ""
 293                 show "Waiting for MySQL to start"
 294                 busy
 295
 296                 # while the pid is running, mysql is starting up
 297                 # if the pidfile was created, it started up successfully
 298                 # if either case fails we break and report status
 299                 while true; do
 300                         [ -d /proc/$pid ] || break
 301                         [ -f "$MYSQL_PIDFILE" ] && break
 302                         sleep 0.2
 303                 done
 304         fi
 305
 306         mysqlstatus "$clusterdir" start
 307         if [ "$MYSQL_STATUS" = "running" -a "$MYSQL_PID" != "unknown" ]; then
 308                 ok
 309         elif [ "$MYSQL_STATUS" = "died" ]; then
 310                 RETVAL=1
 311                 died
 312         else
 313                 RETVAL=1
 314                 fail
 315         fi
 316 }
 317
 318 # stop mysql
 319 mysqlstop() {
 320         local clusterdir="$1"
 321         mysqlstatus "$clusterdir" stop
 322         msg_stopping "MySQL $clusterdir"
 323         busy
 324
 325         # try graceful shutdown -- send shutdown command
 326         # requires mysql_sysadmin user proper privs
 327         /usr/bin/mysqladmin --defaults-file=$MYSQL_CONFIG ${MYSQL_SOCKET:+--socket=$MYSQL_SOCKET} shutdown >/dev/null 2>&1
 328         mysqlstatus "$clusterdir" stop
 329
 330         if [ "$MYSQL_PID" != "unknown" ]; then
 331                 kill -TERM "$MYSQL_PID" 2> /dev/null
 332                 for nr in $(seq 1 $(($MYSQL_STOP_WAIT_TIME*10))); do
 333                         [ -d "/proc/$MYSQL_PID" ] || break
 334                         sleep 0.1
 335                 done
 336         fi
 337
 338         mysqlstatus "$clusterdir" stop
 339         if [ "$MYSQL_STATUS" = "died" ]; then
 340                 died
 341         elif [ "$MYSQL_STATUS" = "running" -o "$MYSQL_STATUS" = "starting" ]; then
 342                 fail
 343         else
 344                 ok
 345         fi
 346 }
 347
 348 # report slave status
 349 # uses MYSQL_SOCKET - path to mysql socket
 350 slave_status() {
 351         # see if slave status can be reported
 352         local err=0 slave_status=$(mysql -S $MYSQL_SOCKET -e 'show slave status\G')
 353         if [ -z "$slave_status" ]; then
 354                 # slave not setup
 355                 return
 356         fi
 357
 358         printf "\tSlave Status:\n"
 359
 360         eval $(echo "$slave_status" | awk -F': ' '/^ *[A-Za-z_]+:/{
 361                 k = tolower($1);
 362                 v = substr($0, length($1) + 3);
 363                 gsub(/\\/, "\\\\\\", v);
 364                 gsub(/"/, "\\\"", v);
 365                 gsub(/`/, "\\`", v);
 366                 gsub(/\$/, "\\$", v);
 367                 printf("%s=\"%s\";\n", k, v);
 368         }')
 369
 370         if [ "$slave_io_running" != "Yes" ]; then
 371                 printf "\tSlave IO not running\n"
 372                 err=1
 373         fi
 374         if [ "$slave_sql_running" != "Yes" ]; then
 375                 printf "\tSlave SQL not running\n"
 376                 err=1
 377         fi
 378
 379         if [ "$err" = 1 -a "$last_errno" -gt 0 ]; then
 380                 printf "\tERROR $last_errno: $last_error\n"
 381         fi
 382
 383         if [ "$master_log_file" != "$relay_master_log_file" ]; then
 384                 printf "\tERROR logfile mismatch ($relay_master_log_file)\n"
 385                 err=1
 386         fi
 387
 388         if [ -z "$read_master_log_pos" -o -z "$exec_master_log_pos" ]; then
 389                 printf "\tERROR No info about master\n"
 390                 err=1
 391                 return
 392         fi
 393
 394         diff=$(($read_master_log_pos - $exec_master_log_pos))
 395         printf "\tread pos: $read_master_log_pos ($master_log_file) (host: $master_host:$master_port)\n"
 396         printf "\texec pos: $exec_master_log_pos\n"
 397         printf "\tdiff: $diff\n"
 398 }
 399
 400 #
 401 # check for running mysql instances; if any instance is running then
 402 # create subsys lock file
 403 #
 404 mysqlsubsys() {
 405         # check for every defined db cluster in sysconfig file
 406         for mysqldir in $DB_CLUSTERS; do
 407                 mysqlstatus "$mysqldir"
 408                 if [ "$MYSQL_STATUS" = "running" ]; then
 409                         touch /var/lock/subsys/mysql
 410                         return
 411                 fi
 412         done
 413         rm -f /var/lock/subsys/mysql
 414 }
 415
 416 mysqlinit() {
 417         local clusterdir="$1"
 418
 419         if [ -f /etc/mysqld.conf ]; then
 420                 nls "Running in \`no cluster compat' mode: can't initialize database."
 421                 nls "Move /etc/mysqld.conf away and rerun \`$0 init' (new config will be in $clusterdir)."
 422                 exit 1
 423         fi
 424
 425         if [ -f "$clusterdir/mysqld.conf" ]; then
 426                 mysqlgetconfig "$clusterdir"
 427         else
 428                 MYSQL_USER="mysql"
 429                 MYSQL_CLUSTER_DIR="$clusterdir"
 430                 MYSQL_DATA_DIR="$clusterdir/mysqldb/db"
 431                 MYSQL_PIDFILE="$clusterdir/mysqldb/mysql.pid"
 432                 MYSQL_SOCKET="$clusterdir/mysqldb/mysql.sock"
 433
 434                 # this $MYSQL_CONFIG will be created later
 435                 MYSQL_CONFIG="$MYSQL_CLUSTER_DIR/mysqld.conf"
 436         fi
 437
 438         show "Initializing cluster %s" "$clusterdir"; echo
 439
 440         # Check if not exist init database
 441         if [ -d "$MYSQL_DATA_DIR/mysql" ]; then
 442                 nls "Seems that database is initialized now. Remove by hand %s" "$MYSQL_DATA_DIR/mysql"
 443                 nls "before initializing database."
 444                 nls "For now skipping cluster %s." "$clusterdir"
 445                 return
 446         fi
 447
 448         show "Installing MySQL system tables for $MYSQL_DATA_DIR"
 449         busy
 450         TMP=/tmp TMPDIR=/tmp
 451
 452         mkdir -p "$MYSQL_DATA_DIR" > /dev/null 2>&1
 453         # Using mysql:mysql for MYSQL_CLUSTER_DIR is creating SECURITY hole, root:root is proper
 454         chown root:root "$MYSQL_CLUSTER_DIR"
 455         chown mysql:mysql "$MYSQL_CLUSTER_DIR/mysqldb" "$MYSQL_DATA_DIR" > /dev/null 2>&1
 456         chmod 751 "$MYSQL_CLUSTER_DIR" "$MYSQL_CLUSTER_DIR/mysqldb"
 457
 458         if [ -f /usr/share/mysql/mysqld.conf -a ! -f "$MYSQL_CLUSTER_DIR/mysqld.conf" ]; then
 459             sed -e "
 460                 s#\(datadir.*\)=.*#\1= $MYSQL_DATA_DIR#g;
 461                 s#\(pid-file.*\)=.*#\1= $MYSQL_PIDFILE#g;
 462                 s#\(socket.*\)=.*#\1= $MYSQL_SOCKET#g;
 463                 s#@clusterdir@#$MYSQL_CLUSTER_DIR#g;
 464                 " /usr/share/mysql/mysqld.conf > "$MYSQL_CLUSTER_DIR/mysqld.conf"
 465             chown root:root "$MYSQL_CLUSTER_DIR/mysqld.conf"
 466             chmod 640 "$MYSQL_CLUSTER_DIR/mysqld.conf"
 467         fi
 468
 469         if [ ! -e /var/lib/mysql/mysql.sock ] || [ -L /var/lib/mysql/mysql.sock ] && [ -z "$(readlink /var/lib/mysql/mysql.sock)" ]; then
 470                 sock=${MYSQL_SOCKET#/var/lib/mysql/} # make it relative if possible
 471             ln -s "$sock" /var/lib/mysql/mysql.sock
 472         fi
 473
 474         cat > $MYSQL_DATA_DIR/mysql-init.sql <<-EOF
 475                 CREATE DATABASE mysql;
 476                 use mysql;
 477                 $(cat /usr/share/mysql/mysql_system_tables.sql)
 478                 $(sed -e "/@current_hostname/d" /usr/share/mysql/mysql_system_tables_data.sql)
 479 EOF
 480
 481         ok=0
 482         /usr/sbin/mysqld \
 483                 --defaults-file=$MYSQL_CLUSTER_DIR/mysqld.conf \
 484                 --bootstrap \
 485                 --skip-grant-tables \
 486                 --skip-innodb \
 487                 --datadir=$MYSQL_DATA_DIR \
 488                 --user=$MYSQL_USER \
 489                 --slave-load-tmpdir=$MYSQL_DATA_DIR \
 490                 --tmpdir=$MYSQL_DATA_DIR \
 491                 --log-error=$MYSQL_ERRLOG \
 492                 < $MYSQL_DATA_DIR/mysql-init.sql && ok=1
 493         [ -f $MYSQL_DATA_DIR/mysql/host.frm ] || ok=0
 494
 495         if [ "$ok" = 1 ]; then
 496                 rm -f $MYSQL_DATA_DIR/mysql-init.sql
 497                 ok
 498                 cat << END_OF_MSG
 499
 500 PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL USERS!
 501 This is done, after starting database, in the order shown,
 502 with:
 503
 504 For 'mysql_sysadmin' (RELOAD and SHUTDOWN privileges):
 505 echo "update mysql.user set password=password('newpassword') where user='mysql_sysadmin'; FLUSH PRIVILEGES;" | mysql -u mysql -S $MYSQL_SOCKET
 506
 507 For 'mysql' user (ALL privileges, DB admin):
 508 echo "update mysql.user set password=password('newpassword') where user='mysql'; FLUSH PRIVILEGES;" | mysql -u mysql -S $MYSQL_SOCKET
 509
 510 NOTE: mysql_sysadmin password should be placed to $MYSQL_CONFIG in
 511 mysqladmin section. See the manual for more instructions.
 512 (This user is used at logs rotation and server shutdown)
 513
 514 END_OF_MSG
 515                 show "Filling help tables..."
 516                 ok=0
 517                 ( echo "use mysql;"; cat /usr/share/mysql/fill_help_tables.sql ) | \
 518                         /usr/sbin/mysqld \
 519                         --defaults-file=$MYSQL_CLUSTER_DIR/mysqld.conf \
 520                         --bootstrap \
 521                         --skip-grant-tables \
 522                         --skip-innodb \
 523                         --datadir=$MYSQL_DATA_DIR \
 524                         --user=$MYSQL_USER \
 525                         --slave-load-tmpdir=$MYSQL_DATA_DIR \
 526                         --tmpdir=$MYSQL_DATA_DIR \
 527                         --log-error=$MYSQL_ERRLOG \
 528                         && ok=1
 529                 if [ "$ok" = 1 ]; then
 530                         ok
 531                 else
 532                         cat << END_OF_MSG
 533
 534 WARNING: HELP FILES ARE NOT COMPLETELY INSTALLED!
 535 The "HELP" command might not work properly.
 536
 537 END_OF_MSG
 538                 fi
 539         else
 540                 fail
 541                 cat << END_OF_MSG
 542 Installation of grant tables FAILED!
 543
 544 The initialization SQL script was preserved at $MYSQL_DATA_DIR/mysql-init.sql
 545
 546 Examine the logs in /var/log/mysql for more information.  You can
 547 also try to start the mysqld daemon with:
 548
 549 /usr/sbin/mysqld --skip-grant &
 550
 551 You can use the command line tool mysql to connect to the mysql
 552 database and look at the grant tables:
 553
 554 shell> mysql -u mysql mysql
 555 mysql> show tables
 556
 557 Try 'mysqld --help' if you have problems with paths. Setting on
 558 logging in $MYSQL_DATA_DIR/mysqld.conf gives you a log in /var/log/mysql/query.log that
 559 may be helpful. The latest information about MySQL is available on the
 560 web at http://www.mysql.com/.
 561
 562 Please check PLD Linux ftp site for newer versions of this package.
 563
 564 Please consult the MySQL manual section: 'Problems running
 565 mysql_install_db', and the manual section that describes problems on
 566 your OS.  Another information source is the MySQL email archive.
 567
 568 END_OF_MSG
 569                 exit 1
 570         fi
 571 }
 572
 573 #
 574 # End of useful functions.
 575 #
 576
 577 start() {
 578         local mysqldir
 579         for mysqldir in $DB_CLUSTERS; do
 580                 mysqlstatus "$mysqldir" start
 581                 if [ "$MYSQL_STATUS" = "running" ]; then
 582                         msg_already_running "MySQL $mysqldir"
 583                 else
 584                         mysqlstart "$mysqldir"
 585                 fi
 586         done
 587         mysqlsubsys
 588 }
 589
 590 stop() {
 591         local mysqldir
 592         for mysqldir in $DB_CLUSTERS; do
 593                 mysqlstatus "$mysqldir" stop
 594                 if [ "$MYSQL_STATUS" = "not running" ]; then
 595                         msg_not_running "MySQL $mysqldir"
 596                 else
 597                         mysqlstop "$mysqldir"
 598                 fi
 599         done
 600         mysqlsubsys
 601 }
 602
 603 condrestart() {
 604         if [ ! -f /var/lock/subsys/mysql ]; then
 605                 msg_not_running "MySQL"
 606                 RETVAL=$1
 607                 return
 608         fi
 609
 610         stop
 611         start
 612 }
 613
 614 RETVAL=0
 615 case "$action" in
 616   start)
 617         start
 618         ;;
 619   stop)
 620         stop
 621         ;;
 622   restart)
 623         stop
 624         start
 625         ;;
 626   try-restart)
 627         condrestart 0
 628         ;;
 629   force-reload)
 630         condrestart 7
 631         ;;
 632   init)
 633         for mysqldir in $DB_CLUSTERS; do
 634                 mysqlinit "$mysqldir"
 635         done
 636         exit $?
 637         ;;
 638   flush-logs)
 639         for mysqldir in $DB_CLUSTERS; do
 640             mysqlgetconfig "$mysqldir"
 641                 # just if mysqld is really running
 642                 if /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" ping >/dev/null 2>&1; then
 643                         /usr/bin/mysqladmin --defaults-file="$MYSQL_CONFIG" --socket="$MYSQL_SOCKET" flush-logs
 644                 fi
 645         done
 646         ;;
 647   status)
 648         for mysqldir in $DB_CLUSTERS; do
 649                 mysqlstatus "$mysqldir"
 650                 if [ "$MYSQL_STATUS" = "running" ]; then
 651                         addr=${MYSQL_BIND_ADDRESS:-0.0.0.0}
 652                         port=${MYSQL_PORT:-3306}
 653                         socket=${MYSQL_SOCKET:-/var/lib/mysql/mysql.sock}
 654                         pid=$MYSQL_PID
 655                         nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
 656                         [ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n" "$addr" "$port"
 657                         nls "\tunix:%s\n" "$socket"
 658
 659                         MYSQL_SOCKET=$socket slave_status
 660
 661                         pids="$pids/$MYSQL_PID/"
 662                         progress "$MYSQL_STATUS"
 663                 else
 664                         show "MySQL cluster %s" "$mysqldir"
 665                         progress "$MYSQL_STATUS" "$CFAIL"
 666                 fi
 667                 echo
 668         done
 669
 670         for pid in $(/sbin/pidof mysqld); do
 671                 if [[ $pids != */$pid/* ]]; then
 672                         running="$running $pid"
 673                 fi
 674         done
 675
 676         if [ $# = 1 -a "$running" ]; then
 677                 nls "Warning: MySQL Daemon processes not under clusters.conf control:"
 678                 # see if we can display their status
 679                 for pid in $running; do
 680                         datadir=$(cat /proc/$pid/cmdline | tr '\0' '\n' | fgrep -- --datadir=)
 681                         datadir=${datadir#--datadir=} # strip --datadir
 682                         mysqldir=${datadir%/mysqldb/db} # strip /mysqldb/db
 683                         mysqlstatus "$mysqldir"
 684                         if [ "$MYSQL_STATUS" = "running" ]; then
 685                                 addr=${MYSQL_BIND_ADDRESS:-0.0.0.0}
 686                                 port=${MYSQL_PORT:-3306}
 687                                 socket=${MYSQL_SOCKET:-/var/lib/mysql/mysql.sock}
 688                                 nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
 689                                 [ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n" "$addr" "$port"
 690                                 nls "\tunix:%s\n" "$socket"
 691
 692                                 MYSQL_SOCKET=$socket slave_status
 693
 694                                 progress "$MYSQL_STATUS"
 695                         else
 696                                 show "MySQL cluster %s" "$mysqldir"
 697                                 progress "$MYSQL_STATUS" "$CFAIL"
 698                         fi
 699                         echo
 700                 done
 701         fi
 702         ;;
 703   *)
 704         msg_usage "$0 {start|stop|restart|try-restart|force-reload|init|flush-logs|status}"
 705         exit 3
 706 esac
 707
 708 exit $RETVAL