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#!/sbin/runscript
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
# 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
}
|
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