| #!/sbin/runscript |
| # Copyright 1999-2006 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| # $Header: /var/cvsroot/gentoo-x86/dev-db/mysql-init-scripts/files/mysqlmanager.rc6,v 1.1 2007/01/12 16:54:20 chtekk Exp $ |
| |
| # external binaries used: which, sed, tac |
| |
| depend() { |
| use dns net localmount netmount nfsmount |
| #provide mysql |
| } |
| |
| # int in_list(char * elem, char * list) |
| function in_list() { |
| local elem=${1:-"none"} |
| local list=${2:-","} |
| |
| [[ "${list}" == "${list/,${elem},/}" ]] \ |
| && return 1 \ |
| || return 0 |
| } |
| |
| do_escape() { |
| # Ihatethisreallyverymuch |
| #echo "$1" | sed -e "s|'| |" -e "s|=|='|" -e "s|$|'|" |
| echo "$1" |
| } |
| |
| # int get_slot_config(srv_slot=0, srv_num) |
| get_slot_config() { |
| [[ ${DEBUG} -ge 4 ]] && einfo ">>> get_slot_config(\"${1}\", \"${2}\")" |
| |
| srv_slot="${1:-"0"}" |
| srv_num="${2}" |
| MY_SUFFIX="-${srv_slot}" |
| [[ "${MY_SUFFIX}" == '-0' ]] && MY_SUFFIX='' |
| |
| basedir="" pidfile="" socket="" |
| |
| local tmp_eval="mysqlmanager_slot_${srv_slot}${srv_num:+"_"}${srv_num}[@]" |
| local conf_d_parameters="${!tmp_eval}" |
| [[ ${conf_d_parameters[*]} == '()' ]] && conf_d_parameters='' |
| |
| MY_CNF="/etc/mysql${MY_SUFFIX}/my.cnf" |
| # summa of unmanaged parameters |
| # some parameters may be present multiple times |
| unmanagedparams="" |
| |
| # grab the parameters from conf.d/mysql definition |
| for my_default in ${conf_d_parameters[*]} ; do |
| case "${my_default}" in |
| mycnf=*) MY_CNF="${my_default#mycnf=}" ;; |
| basedir=*) basedir="${my_default#basedir=}" ;; |
| pid-file=*) pidfile="${my_default#pid-file=}" ;; |
| socket=*) socket="${my_default#socket=}" ;; |
| *=*) |
| # list of parameters we already have |
| # prepend "--" because my_print_defaults do it |
| unmanagedparams="${unmanagedparams} --$( do_escape "${my_default}" )" |
| ;; |
| *) |
| unmanagedparams="${unmanagedparams} --${my_default}" |
| ;; |
| esac |
| done |
| |
| if [[ ! -r "${MY_CNF}" ]] ; then |
| ewarn "Cannot access ${MY_CNF} !" |
| MY_CNF="" |
| my_defaults="" |
| else |
| local my_print_defaults="$(which my_print_defaults${MY_SUFFIX} 2>/dev/null)" |
| if [[ ! -x "${my_print_defaults}" ]] ; then |
| eerror "my_print_defaults NOT found or not executable" |
| my_defaults="" |
| else |
| my_defaults=$( ${my_print_defaults} \ |
| --loose-verbose \ |
| --config-file="${MY_CNF}" \ |
| manager ) |
| fi |
| fi |
| |
| # grab needed parameters from my.cnf, don't override the ones from |
| # conf.d/mysql |
| for my_default in ${my_defaults} ; do |
| case "${my_default}" in |
| --pid-file=*) |
| [[ -z "${pidfile}" ]] && pidfile="${my_default#--pid-file=}" ;; |
| --socket=*) |
| [[ -z "${socket}" ]] && socket="${my_default#--socket=}" ;; |
| esac |
| done |
| |
| # still empty, I'm in doubt if assign a default or break, will see |
| basedir="${basedir:-"/usr"}" |
| pidfile="${pidfile:-"/var/run/mysqld/mysqlmanager${MY_SUFFIX}.pid"}" |
| socket="${socket:-"/var/run/mysqld/mysqlmanager${MY_SUFFIX}.sock"}" |
| |
| if [[ ${DEBUG} -ge 3 ]] ; then |
| einfo "basedir => ${basedir}" |
| einfo "pidfile => ${pidfile}" |
| einfo "socket => ${socket}" |
| einfo "Unamanged => ${unmanagedparams}" |
| fi |
| |
| # push these out to the script |
| export MY_SUFFIX MY_CNF pidfile basedir socket |
| export unmanagedparams |
| [[ ${DEBUG} -ge 4 ]] && einfo "<<< get_slot_config() ok" |
| return 0 |
| } |
| |
| start() { |
| [[ ${DEBUG} -ge 4 ]] && einfo ">>> start()" |
| MYSQL_GLOB_PID_FILE=${MYSQL_GLOB_PID_FILE:-"/var/run/svc-started-${SVCNAME}"} |
| # servers are defined in /etc/conf.d/mysql |
| local serverlist=${!mysqlmanager_slot_*} |
| # provide default for empty conf.d/mysql |
| if [[ -z "${serverlist}" ]] ; then |
| serverlist=0 |
| export mysqlmanager_slot_0=() |
| fi |
| local retstatus timeout |
| local globretstatus=1 |
| local srv_slot srv_num |
| # server MUST NOT share same location for these |
| local pidfilelist=',' socketlist=',' |
| |
| # additional security |
| rm -f "${MYSQL_GLOB_PID_FILE}" ; touch "${MYSQL_GLOB_PID_FILE}" |
| if [[ $? -ne 0 ]] ; then |
| eerror "cannot create MYSQL_GLOB_PID_FILE: ${MYSQL_GLOB_PID_FILE}" |
| [[ ${DEBUG} -ge 4 ]] && einfo "<<< start() KO" |
| return 1 |
| fi |
| |
| ebegin |
| # try to start each server |
| for srv in ${serverlist[*]} ; do |
| einfo "working on ${srv}" |
| |
| srv_slot="${srv#mysqlmanager_slot_}" |
| if [[ "${srv_slot}" == "${srv_slot#*_}" ]] ; then |
| srv_num='' |
| else |
| srv_num="${srv_slot#*_}" |
| fi |
| srv_slot="${srv_slot%%_*}" |
| |
| retstatus=0 |
| get_slot_config "${srv_slot}" "${srv_num}" || retstatus=1 |
| |
| # timeout (seconds) before declaring the startup failed |
| |
| # pre_run checks |
| if [[ "$retstatus" -eq 0 ]] ; then |
| if in_list "${pidfile}" "${pidfilelist}" ; then |
| retstatus=3 |
| eerror "Sorry, won't start with same pid-file: ${pidfile}" |
| fi |
| if in_list "${socket}" "${socketlist}" ; then |
| retstatus=5 |
| eerror "Sorry, won't start with same socket: ${socket}" |
| fi |
| fi |
| |
| if [[ $retstatus -eq 0 ]] ; then |
| # additional security |
| rm -f ${pidfile} ${socket} |
| einfo "Starting mysqlmanager${MY_SUFFIX:+"_"}${srv_slot}${srv_num:+"_"}${srv_num} (${MY_CNF})" |
| |
| [[ ${DEBUG} -ge 2 ]] && echo "starting mysqlmanager with: "${basedir}/sbin/mysqlmanager${MY_SUFFIX} ${unmanagedparams} --pid-file=${pidfile} --socket=${socket} |
| |
| start-stop-daemon --quiet --start --background \ |
| --pidfile "${pidfile}" \ |
| --exec ${basedir}/sbin/mysqlmanager${MY_SUFFIX} \ |
| -- \ |
| ${MY_CNF:+"--defaults-file="}${MY_CNF} \ |
| ${unmanagedparams} \ |
| --pid-file=${pidfile} \ |
| --socket=${socket} |
| |
| retstatus=$? |
| |
| if [[ "${retstatus}" -eq 0 ]] ; then |
| pidfilelist="${pidfilelist}${pidfile}," |
| socketlist="${socketlist}${socket}," |
| globretstatus=0 |
| echo "${srv_slot}${srv_num:+"_"}${srv_num}=${pidfile}" >> "${MYSQL_GLOB_PID_FILE}" |
| fi |
| fi |
| done |
| # successfull if at least one mysqlmanager started |
| [[ ${DEBUG} -ge 4 ]] && einfo "<<< start()" |
| eend $globretstatus |
| } |
| |
| stop () { |
| MYSQL_GLOB_PID_FILE=${MYSQL_GLOB_PID_FILE:-"/var/run/svc-started-${SVCNAME}"} |
| local runwhat pidfile shutdown_elem |
| local PID cnt timeout |
| local retstatus=0 |
| local shutdown_list="$(< "${MYSQL_GLOB_PID_FILE}" )" |
| |
| # shutdown in reverse order |
| ebegin |
| for shutdown_elem in $shutdown_list; do |
| runwhat=${shutdown_elem%%=*} |
| pidfile=${shutdown_elem#*=} |
| timeout=${STOPTIMEOUT:-"10"} |
| |
| einfo "Stopping mysqlmanager (${runwhat})" |
| |
| PID=$(cat "${pidfile}" 2>/dev/null) |
| start-stop-daemon --stop --quiet --pidfile="${pidfile}" |
| [[ ${DEBUG} -ge 1 ]] && echo "" |
| while [[ -n "$PID" && $( kill -0 $PID 2>/dev/null ) && "${timeout}" -ge 1 ]] ; do |
| timeout=$(($timeout - 1)) |
| [[ ${DEBUG} -ge 1 ]] && echo -n $(( $STOPTIMEOUT - $timeout )) |
| sleep 1 |
| done |
| if [[ "${timeout}" -lt 1 ]] ; then |
| retstatus=$(( $retstatus + 1 )) |
| fi |
| done |
| |
| [[ "$retstatus" -eq 0 ]] && rm -f "$MYSQL_GLOB_PID_FILE" |
| eend $retstatus |
| } |