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December 18, 2014 10:39
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/etc/init.d/mysql:#!/bin/bash | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:### BEGIN INIT INFO | |
/etc/init.d/mysql:# Provides: mysql | |
/etc/init.d/mysql:# Required-Start: $remote_fs $syslog | |
/etc/init.d/mysql:# Required-Stop: $remote_fs $syslog | |
/etc/init.d/mysql:# Should-Start: $network $time | |
/etc/init.d/mysql:# Should-Stop: $network $time | |
/etc/init.d/mysql:# Default-Start: 2 3 4 5 | |
/etc/init.d/mysql:# Default-Stop: 0 1 6 | |
/etc/init.d/mysql:# Short-Description: Start and stop the mysql database server daemon | |
/etc/init.d/mysql:# Description: Controls the main MySQL database server daemon "mysqld" | |
/etc/init.d/mysql:# and its wrapper script "mysqld_safe". | |
/etc/init.d/mysql:### END INIT INFO | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:set -e | |
/etc/init.d/mysql:set -u | |
/etc/init.d/mysql:${DEBIAN_SCRIPT_DEBUG:+ set -v -x} | |
/etc/init.d/mysql:test -x /usr/bin/mysqld_safe || exit 0 | |
/etc/init.d/mysql:. /lib/lsb/init-functions | |
/etc/init.d/mysql:SELF=$(cd $(dirname $0); pwd -P)/$(basename $0) | |
/etc/init.d/mysql:CONF=/etc/mysql/my.cnf | |
/etc/init.d/mysql:MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf" | |
/etc/init.d/mysql:# priority can be overriden and "-s" adds output to stderr | |
/etc/init.d/mysql:ERR_LOGGER="logger -p daemon.err -t /etc/init.d/mysql -i" | |
/etc/init.d/mysql:# Safeguard (relative paths, core dumps..) | |
/etc/init.d/mysql:cd / | |
/etc/init.d/mysql:umask 077 | |
/etc/init.d/mysql:# mysqladmin likes to read /root/.my.cnf. This is usually not what I want | |
/etc/init.d/mysql:# as many admins e.g. only store a password without a username there and | |
/etc/init.d/mysql:# so break my scripts. | |
/etc/init.d/mysql:export HOME=/etc/mysql/ | |
/etc/init.d/mysql:## Fetch a particular option from mysql's invocation. | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:# Usage: void mysqld_get_param option | |
/etc/init.d/mysql:mysqld_get_param() { | |
/etc/init.d/mysql: /usr/sbin/mysqld --print-defaults \ | |
/etc/init.d/mysql: | tr " " "\n" \ | |
/etc/init.d/mysql: | grep -- "--$1" \ | |
/etc/init.d/mysql: | tail -n 1 \ | |
/etc/init.d/mysql: | cut -d= -f2 | |
/etc/init.d/mysql:} | |
/etc/init.d/mysql:## Do some sanity checks before even trying to start mysqld. | |
/etc/init.d/mysql:sanity_checks() { | |
/etc/init.d/mysql: # check for config file | |
/etc/init.d/mysql: if [ ! -r /etc/mysql/my.cnf ]; then | |
/etc/init.d/mysql: log_warning_msg "$0: WARNING: /etc/mysql/my.cnf cannot be read. See README.Debian.gz" | |
/etc/init.d/mysql: echo "WARNING: /etc/mysql/my.cnf cannot be read. See README.Debian.gz" | $ERR_LOGGER | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: # check for diskspace shortage | |
/etc/init.d/mysql: datadir=`mysqld_get_param datadir` | |
/etc/init.d/mysql: if LC_ALL=C BLOCKSIZE= df --portability $datadir/. | tail -n 1 | awk '{ exit ($4>4096) }'; then | |
/etc/init.d/mysql: log_failure_msg "$0: ERROR: The partition with $datadir is too full!" | |
/etc/init.d/mysql: echo "ERROR: The partition with $datadir is too full!" | $ERR_LOGGER | |
/etc/init.d/mysql: exit 1 | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql:} | |
/etc/init.d/mysql:## Checks if there is a server running and if so if it is accessible. | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:# check_alive insists on a pingable server | |
/etc/init.d/mysql:# check_dead also fails if there is a lost mysqld in the process list | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:# Usage: boolean mysqld_status [check_alive|check_dead] [warn|nowarn] | |
/etc/init.d/mysql:mysqld_status () { | |
/etc/init.d/mysql: ping_output=`$MYADMIN ping 2>&1`; ping_alive=$(( ! $? )) | |
/etc/init.d/mysql: ps_alive=0 | |
/etc/init.d/mysql: pidfile=`mysqld_get_param pid-file` | |
/etc/init.d/mysql: if [ -f "$pidfile" ] && ps `cat $pidfile` >/dev/null 2>&1; then ps_alive=1; fi | |
/etc/init.d/mysql: | |
/etc/init.d/mysql: if [ "$1" = "check_alive" -a $ping_alive = 1 ] || | |
/etc/init.d/mysql: [ "$1" = "check_dead" -a $ping_alive = 0 -a $ps_alive = 0 ]; then | |
/etc/init.d/mysql: return 0 # EXIT_SUCCESS | |
/etc/init.d/mysql: else | |
/etc/init.d/mysql: if [ "$2" = "warn" ]; then | |
/etc/init.d/mysql: echo -e "$ps_alive processes alive and '$MYADMIN ping' resulted in\n$ping_output\n" | $ERR_LOGGER -p daemon.debug | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: return 1 # EXIT_FAILURE | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql:} | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:# main() | |
/etc/init.d/mysql:# | |
/etc/init.d/mysql:case "${1:-''}" in | |
/etc/init.d/mysql: 'start') | |
/etc/init.d/mysql: sanity_checks; | |
/etc/init.d/mysql: # Start daemon | |
/etc/init.d/mysql: log_daemon_msg "Starting MySQL database server" "mysqld" | |
/etc/init.d/mysql: if mysqld_status check_alive nowarn; then | |
/etc/init.d/mysql: log_progress_msg "already running" | |
/etc/init.d/mysql: log_end_msg 0 | |
/etc/init.d/mysql: else | |
/etc/init.d/mysql: # Could be removed during boot | |
/etc/init.d/mysql: test -e /var/run/mysqld || install -m 755 -o mysql -g root -d /var/run/mysqld | |
/etc/init.d/mysql: # Start MySQL! | |
/etc/init.d/mysql: /usr/bin/mysqld_safe > /dev/null 2>&1 & | |
/etc/init.d/mysql: # 6s was reported in #352070 to be too few when using ndbcluster | |
/etc/init.d/mysql: # 14s was reported in #736452 to be too few with large installs | |
/etc/init.d/mysql: for i in $(seq 1 30); do | |
/etc/init.d/mysql: sleep 1 | |
/etc/init.d/mysql: if mysqld_status check_alive nowarn ; then break; fi | |
/etc/init.d/mysql: log_progress_msg "." | |
/etc/init.d/mysql: done | |
/etc/init.d/mysql: if mysqld_status check_alive warn; then | |
/etc/init.d/mysql: log_end_msg 0 | |
/etc/init.d/mysql: # Now start mysqlcheck or whatever the admin wants. | |
/etc/init.d/mysql: output=$(/etc/mysql/debian-start) | |
/etc/init.d/mysql: [ -n "$output" ] && log_action_msg "$output" | |
/etc/init.d/mysql: else | |
/etc/init.d/mysql: log_end_msg 1 | |
/etc/init.d/mysql: log_failure_msg "Please take a look at the syslog" | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: ;; | |
/etc/init.d/mysql: 'stop') | |
/etc/init.d/mysql: # * As a passwordless mysqladmin (e.g. via ~/.my.cnf) must be possible | |
/etc/init.d/mysql: # at least for cron, we can rely on it here, too. (although we have | |
/etc/init.d/mysql: # to specify it explicit as e.g. sudo environments points to the normal | |
/etc/init.d/mysql: # users home and not /root) | |
/etc/init.d/mysql: log_daemon_msg "Stopping MySQL database server" "mysqld" | |
/etc/init.d/mysql: if ! mysqld_status check_dead nowarn; then | |
/etc/init.d/mysql: set +e | |
/etc/init.d/mysql: shutdown_out=`$MYADMIN shutdown 2>&1`; r=$? | |
/etc/init.d/mysql: set -e | |
/etc/init.d/mysql: if [ "$r" -ne 0 ]; then | |
/etc/init.d/mysql: log_end_msg 1 | |
/etc/init.d/mysql: [ "$VERBOSE" != "no" ] && log_failure_msg "Error: $shutdown_out" | |
/etc/init.d/mysql: log_daemon_msg "Killing MySQL database server by signal" "mysqld" | |
/etc/init.d/mysql: killall -15 mysqld | |
/etc/init.d/mysql: server_down= | |
/etc/init.d/mysql: for i in 1 2 3 4 5 6 7 8 9 10; do | |
/etc/init.d/mysql: sleep 1 | |
/etc/init.d/mysql: if mysqld_status check_dead nowarn; then server_down=1; break; fi | |
/etc/init.d/mysql: done | |
/etc/init.d/mysql: if test -z "$server_down"; then killall -9 mysqld; fi | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: if ! mysqld_status check_dead warn; then | |
/etc/init.d/mysql: log_end_msg 1 | |
/etc/init.d/mysql: log_failure_msg "Please stop MySQL manually and read /usr/share/doc/mysql-server-5.5/README.Debian.gz!" | |
/etc/init.d/mysql: exit -1 | |
/etc/init.d/mysql: else | |
/etc/init.d/mysql: log_end_msg 0 | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: ;; | |
/etc/init.d/mysql: 'restart') | |
/etc/init.d/mysql: set +e; $SELF stop; set -e | |
/etc/init.d/mysql: $SELF start | |
/etc/init.d/mysql: ;; | |
/etc/init.d/mysql: 'reload'|'force-reload') | |
/etc/init.d/mysql: log_daemon_msg "Reloading MySQL database server" "mysqld" | |
/etc/init.d/mysql: $MYADMIN reload | |
/etc/init.d/mysql: log_end_msg 0 | |
/etc/init.d/mysql: ;; | |
/etc/init.d/mysql: 'status') | |
/etc/init.d/mysql: if mysqld_status check_alive nowarn; then | |
/etc/init.d/mysql: log_action_msg "$($MYADMIN version)" | |
/etc/init.d/mysql: else | |
/etc/init.d/mysql: log_action_msg "MySQL is stopped." | |
/etc/init.d/mysql: exit 3 | |
/etc/init.d/mysql: fi | |
/etc/init.d/mysql: ;; | |
/etc/init.d/mysql: *) | |
/etc/init.d/mysql: echo "Usage: $SELF start|stop|restart|reload|force-reload|status" | |
/etc/init.d/mysql: exit 1 | |
/etc/init.d/mysql: ;; | |
/etc/init.d/mysql:esac | |
/etc/init/mysql.conf:# MySQL Service | |
/etc/init/mysql.conf:description "MySQL Server" | |
/etc/init/mysql.conf:author "Mario Limonciello <superm1@ubuntu.com>" | |
/etc/init/mysql.conf:start on runlevel [2345] | |
/etc/init/mysql.conf:stop on starting rc RUNLEVEL=[016] | |
/etc/init/mysql.conf:respawn | |
/etc/init/mysql.conf:respawn limit 2 5 | |
/etc/init/mysql.conf:env HOME=/etc/mysql | |
/etc/init/mysql.conf:umask 007 | |
/etc/init/mysql.conf:# The default of 5 seconds is too low for mysql which needs to flush buffers | |
/etc/init/mysql.conf:kill timeout 300 | |
/etc/init/mysql.conf:pre-start script | |
/etc/init/mysql.conf: ## Fetch a particular option from mysql's invocation. | |
/etc/init/mysql.conf: # Usage: void mysqld_get_param option | |
/etc/init/mysql.conf: mysqld_get_param() { | |
/etc/init/mysql.conf: /usr/sbin/mysqld --print-defaults \ | |
/etc/init/mysql.conf: | tr " " "\n" \ | |
/etc/init/mysql.conf: | grep -- "--$1" \ | |
/etc/init/mysql.conf: | tail -n 1 \ | |
/etc/init/mysql.conf: | cut -d= -f2 | |
/etc/init/mysql.conf: } | |
/etc/init/mysql.conf: # priority can be overriden and "-s" adds output to stderr | |
/etc/init/mysql.conf: ERR_LOGGER="logger -p daemon.err -t /etc/init/mysql.conf -i" | |
/etc/init/mysql.conf: #Sanity checks | |
/etc/init/mysql.conf: [ -r $HOME/my.cnf ] | |
/etc/init/mysql.conf: [ -d /var/run/mysqld ] || install -m 755 -o mysql -g root -d /var/run/mysqld | |
/etc/init/mysql.conf: /lib/init/apparmor-profile-load usr.sbin.mysqld | |
/etc/init/mysql.conf: # check for diskspace shortage | |
/etc/init/mysql.conf: datadir=`mysqld_get_param datadir` | |
/etc/init/mysql.conf: BLOCKSIZE=`LC_ALL=C df --portability $datadir/. | tail -n 1 | awk '{print $4}'` | |
/etc/init/mysql.conf: if [ $BLOCKSIZE -le 4096 ] ; then | |
/etc/init/mysql.conf: echo "$0: ERROR: The partition with $datadir is too full!" >&2 | |
/etc/init/mysql.conf: echo "ERROR: The partition with $datadir is too full!" | $ERR_LOGGER | |
/etc/init/mysql.conf: exit 1 | |
/etc/init/mysql.conf: fi | |
/etc/init/mysql.conf:end script | |
/etc/init/mysql.conf:exec /usr/sbin/mysqld | |
/etc/init/mysql.conf:post-start script | |
/etc/init/mysql.conf: for i in `seq 1 30` ; do | |
/etc/init/mysql.conf: /usr/bin/mysqladmin --defaults-file="${HOME}"/debian.cnf ping && { | |
/etc/init/mysql.conf: exec "${HOME}"/debian-start | |
/etc/init/mysql.conf: # should not reach this line | |
/etc/init/mysql.conf: exit 2 | |
/etc/init/mysql.conf: } | |
/etc/init/mysql.conf: statusnow=`status` | |
/etc/init/mysql.conf: if echo $statusnow | grep -q 'stop/' ; then | |
/etc/init/mysql.conf: exit 0 | |
/etc/init/mysql.conf: elif echo $statusnow | grep -q 'respawn/' ; then | |
/etc/init/mysql.conf: exit 1 | |
/etc/init/mysql.conf: fi | |
/etc/init/mysql.conf: sleep 1 | |
/etc/init/mysql.conf: done | |
/etc/init/mysql.conf: exit 1 | |
/etc/init/mysql.conf:end script |
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