vim /etc/init.d/mysql
#!/bin/bash
#2019-02-12
basedir=/usr/local/mysql57
bindir=/usr/local/mysql57/bin
datadir=/data/public/mysql/23306
lockdir='/data/public/mysql/23306/run'
lock_file_path="lockdir/23306.sock.lock"
mysqld_pid_file_path=datadir/run/23306.pid
service_startup_timeout=900
if test -z "basedir"
then
basedir=@prefix@
bindir=@bindir@
if test -z "datadir"
then
datadir=@localstatedir@
fi
sbindir=@sbindir@
libexecdir=@libexecdir@
else
bindir="basedir/bin"
if test -z "datadir"
then
datadir="basedir/data"
fi
sbindir="basedir/sbin"
libexecdir="basedir/libexec"
fi
# datadir_set is used to determine if datadir was set (and so should be
# *not* set inside of the --basedir= handler.)
datadir_set=
#
# Use LSB init script functions for printing messages, if possible
#
lsb_functions="/lib/lsb/init-functions"
if test -flsb_functions ; then
. lsb_functions
else
log_success_msg()
{
echo " SUCCESS!@"
}
log_failure_msg()
{
echo " ERROR! @"
}
fi
PATH="/sbin:/usr/sbin:/bin:/usr/bin:basedir/bin"
export PATH
mode=1 # start or stop
[# -ge 1 ] && shift
other_args="*" # uncommon, but needed when called from an RPM upgrade action
# Expected: "--skip-networking --skip-grant-tables"
# They are not checked here, intentionally, as it is the resposibility
# of the "spec" file author to give correct arguments only.
case `echo "testing\c"`,`echo -n testing` in
*c*,-n*) echo_n= echo_c= ;;
*c*,*) echo_n=-n echo_c= ;;
*) echo_n= echo_c='\c' ;;
esac
parse_server_arguments() {
for arg do
case "arg" in
--basedir=*) basedir=`echo "arg" | sed -e 's/^[^=]*=//'`
bindir="basedir/bin"
if test -z "datadir_set"; then
datadir="basedir/data"
fi
sbindir="basedir/sbin"
libexecdir="basedir/libexec"
;;
--datadir=*) datadir=`echo "arg" | sed -e 's/^[^=]*=//'`
datadir_set=1
;;
--pid-file=*) mysqld_pid_file_path=`echo "arg" | sed -e 's/^[^=]*=//'` ;;
--service-startup-timeout=*) service_startup_timeout=`echo "arg" | sed -e 's/^[^=]*=//'` ;;
esac
done
}
wait_for_pid () {
verb="1" # created | removed
pid="2" # process ID of the program operating on the pid-file
pid_file_path="3" # path to the PID file.
i=0
avoid_race_condition="by checking again"
while test i -neservice_startup_timeout ; do
case "verb" in
'created')
# wait for a PID-file to pop into existence.
test -s "pid_file_path" && i='' && break
;;
'removed')
# wait for this PID-file to disappear
test ! -s "pid_file_path" && i='' && break
;;
*)
echo "wait_for_pid () usage: wait_for_pid created|removed pid pid_file_path"
exit 1
;;
esac
# if server isn't running, then pid-file will never be updated
if test -n "pid"; then
if kill -0 "pid" 2>/dev/null; then
: # the server still runs
else
# The server may have exited between the last pid-file check and now. if test -n "avoid_race_condition"; then
avoid_race_condition=""
continue # Check again.
fi
# there's nothing that will affect the file.
log_failure_msg "The server quit without updating PID file (pid_file_path)."
return 1 # not waiting any more.
fi
fi
echoecho_n ".echo_c"
i=`expri + 1`
sleep 1
done
if test -z "i" ; then
log_success_msg
return 0
else
log_failure_msg
return 1
fi
}
# Get arguments from the my.cnf file,
# the only group, which is read from now on is [mysqld]
if test -x "bindir/my_print_defaults"; then
print_defaults="bindir/my_print_defaults"
else
# Try to find basedir in /etc/my.cnf
conf=/etc/my.cnf
print_defaults=
if test -rconf
then
subpat='^[^=]*basedir[^=]*=\(.*\)'
dirs=`sed -e "/subpat/!d" -e 's//\1/' conf`
for d indirs
do
d=`echo d | sed -e 's/[ ]//g'`
if test -x "d/bin/my_print_defaults"
then
print_defaults="d/bin/my_print_defaults"
break
fi
done
fi
# Hope it's in the PATH ... but I doubt it
test -z "print_defaults" && print_defaults="my_print_defaults"
fi
#
# Read defaults file from 'basedir'. If there is no defaults file there
# check if it's in the old (depricated) place (datadir) and read it from there
#
extra_args=""
if test -r "basedir/my.cnf"
then
extra_args="-ebasedir/my.cnf"
fi
parse_server_arguments `print_defaultsextra_args mysqld server mysql_server mysql.server`
#
# Set pid file if not given
#
if test -z "mysqld_pid_file_path"
then
mysqld_pid_file_path=datadir/run/23306.pid
else
case "mysqld_pid_file_path" in
/* ) ;;
* ) mysqld_pid_file_path="datadir/mysqld_pid_file_path" ;;
esac
fi
case "mode" in
'start')
# Start daemon
# Safeguard (relative paths, core dumps..)
cd basedir
echoecho_n "Starting MySQL"
if test -x bindir/mysqld_safe
then
# Give extra arguments to mysqld with the my.cnf file. This script
# may be overwritten at next upgrade.
/usr/local/mysql57/bin/mysqld --defaults-file=/data/public/mysql/23306/run/23306.cnf >/dev/null &
#bindir/mysqld_safe --datadir="datadir" --pid-file="mysqld_pid_file_path" other_args >/dev/null &
wait_for_pid created "!" "mysqld_pid_file_path"; return_value=?
# Make lock for RedHat / SuSE
if test -w "lockdir"
then
touch "lock_file_path"
fi
exit return_value
else
log_failure_msg "Couldn't find MySQL server (bindir/mysqld_safe)"
fi
;;
'stop')
# Stop daemon. We use a signal here to avoid having to know the
# root password.
if test -s "mysqld_pid_file_path"
then
# signal mysqld_safe that it needs to stop
touch "mysqld_pid_file_path.shutdown"
mysqld_pid=`cat "mysqld_pid_file_path"`
if (kill -0mysqld_pid 2>/dev/null)
then
echo echo_n "Shutting down MySQL"
killmysqld_pid
# mysqld should remove the pid file when it exits, so wait for it.
wait_for_pid removed "mysqld_pid" "mysqld_pid_file_path"; return_value=?
else
log_failure_msg "MySQL server process #mysqld_pid is not running!"
rm "mysqld_pid_file_path"
fi
# Delete lock for RedHat / SuSE
if test -f "lock_file_path"
then
rm -f "lock_file_path"
fi
exitreturn_value
else
log_failure_msg "MySQL server PID file could not be found!"
fi
;;
'restart')
# Stop the service and regardless of whether it was
# running or not, start it again.
if 0 stopother_args; then
0 startother_args
else
log_failure_msg "Failed to stop running server, so refusing to try to start."
exit 1
fi
;;
'reload'|'force-reload')
if test -s "mysqld_pid_file_path" ; then
read mysqld_pid< "mysqld_pid_file_path"
kill -HUP mysqld_pid && log_success_msg "Reloading service MySQL"
touch "mysqld_pid_file_path"
else
log_failure_msg "MySQL PID file could not be found!"
exit 1
fi
;;
'status')
# First, check to see if pid file exists
if test -s "mysqld_pid_file_path" ; then read mysqld_pid<"mysqld_pid_file_path"
if kill -0 mysqld_pid 2>/dev/null ; then log_success_msg "MySQL running (mysqld_pid)"
exit 0
else
log_failure_msg "MySQL is not running, but PID file exists"
exit 1
fi
else
# Try to find appropriate mysqld process
mysqld_pid="/data/public/mysql/23306/run/23306.pid"
# test if multiple pids exist
pid_count=`echo mysqld_pid | wc -w`
if testpid_count -gt 1 ; then
log_failure_msg "Multiple MySQL running but PID file could not be found (mysqld_pid)"
exit 5
elif test -zmysqld_pid ; then
if test -f "lock_file_path" ; then log_failure_msg "MySQL is not running, but lock file (lock_file_path) exists"
exit 2
fi
log_failure_msg "MySQL is not running"
exit 3
else
log_failure_msg "MySQL is running but PID file could not be found"
exit 4
fi
fi
;;
*)
# usage
basename=`basename "0"`
echo "Usage:basename {start|stop|restart|reload|force-reload|status} [ MySQL server options ]"
exit 1
;;
esac
exit 0
chkconfig mysql on