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# http://www.novell.com/coolsolutions/feature/11256.html
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#@ pp_backend_rpm_init_svc_vars(): initialises rpm backend variables
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pp_backend_rpm_init_svc_vars () {
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pp_rpm_default_start_runlevels= # should be "3 4 5"??
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pp_rpm_default_svc_description="No description"
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}
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#@ pp_rpm_service_install_common(): emit common code for service install
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pp_rpm_service_install_common () {
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cat <<-'.'
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_pp_install_service () {
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typeset svc level
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svc="$1"
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if [ -x /usr/lib/lsb/install_initd -a ! -r /etc/redhat-release ]
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then
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# LSB-style install
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/usr/lib/lsb/install_initd /etc/init.d/$svc
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elif [ -x /sbin/chkconfig ]; then
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# Red Hat/chkconfig-style install
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/sbin/chkconfig --add $svc
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/sbin/chkconfig $svc off
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else
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: # manual links under /etc/init.d
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fi
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}
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_pp_enable_service () {
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typeset svc level
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svc="$1"
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if [ -x /usr/lib/lsb/install_initd -a ! -r /etc/redhat-release ]
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then
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# LSB-style install
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: not sure how to enable
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elif [ -x /sbin/chkconfig ]; then
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# Red Hat/chkconfig-style install
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/sbin/chkconfig $svc on
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else
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# manual install
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set -- `sed -n -e 's/^# Default-Start://p' /etc/init.d/$svc`
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for level
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do ln -sf /etc/init.d/$svc /etc/rc.d/rc$level.d/S90$svc; done
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set -- `sed -n -e 's/^# Default-Stop://p' /etc/init.d/$svc`
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for level
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do ln -sf /etc/init.d/$svc /etc/rc.d/rc$level.d/K10$svc; done
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fi
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}
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.
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}
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#@ pp_rpm_service_remove_common(): emit common code for service removal
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pp_rpm_service_remove_common () {
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cat <<-'.'
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_pp_remove_service () {
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typeset svc
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svc="$1"
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/etc/init.d/$svc stop >/dev/null 2>&1
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if [ -x /usr/lib/lsb/remove_initd -a ! -r /etc/redhat-release ]
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then
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/usr/lib/lsb/remove_initd /etc/init.d/$svc
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elif [ -x /sbin/chkconfig ]; then
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/sbin/chkconfig --del $svc
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else
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rm -f /etc/rc.d/rc?.d/[SK]??$svc
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fi
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}
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.
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}
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#@ pp_rpm_service_install(svc): emit code to install/start a service
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pp_rpm_service_install () {
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pp_rpm_service_make_init_script $1 >/dev/null ||
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pp_error "could not create init script for service $1"
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echo "_pp_install_service $1"
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test $enable = yes && echo "_pp_enable_service $1"
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}
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#@ pp_rpm_service_remove(svc): emit code to stop/remove a service
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pp_rpm_service_remove () {
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echo "_pp_remove_service $1"
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}
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#@ pp_backend_rpm_init_svc_vars(): initialise rpm-specific service variables
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# pp-provided vars are cmd, pidfile, stop_signal and user
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pp_backend_rpm_init_svc_vars () {
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reload_signal=
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start_runlevels=${pp_rpm_default_start_runlevels} # == lsb default-start
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stop_runlevels="0 1 2 6" # == lsb default-stop
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svc_description="${pp_rpm_default_svc_description}" # == lsb short descr
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svc_process=
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lsb_required_start='$local_fs $network'
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lsb_should_start=
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lsb_required_stop=
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lsb_description=
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start_priority=50
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stop_priority=50 #-- stop_priority = 100 - start_priority
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}
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#@ pp_rpm_service_group_make_init_script (grp svcs): makes a group script
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pp_rpm_service_group_make_init_script () {
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typeset grp=$1
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typeset svcs="$2"
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typeset script=/etc/init.d/$grp
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typeset out=$pp_destdir$script
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pp_add_file_if_missing $script run 755 || return 0
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cat <<-. >>$out
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#!/bin/sh
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svcs="$svcs"
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.
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cat <<-'.' >>$out
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#-- prints usage message
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pp_usage () {
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echo "usage: $0 {start|stop|status|restart|reload|condrestart|try-restart|force-reload}" >&2
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return 2
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}
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#-- starts services in order.. stops them all if any break
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pp_start () {
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undo=
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for svc in $svcs; do
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if /etc/init.d/$svc start; then
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undo="$svc $undo"
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else
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if test -n "$undo"; then
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for svc in $undo; do
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/etc/init.d/$svc stop
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done
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return 1
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fi
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fi
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done
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return 0
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}
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#-- stops services in reverse
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pp_stop () {
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reverse=
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for svc in $svcs; do
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reverse="$svc $reverse"
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done
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rc=0
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for svc in $reverse; do
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/etc/init.d/$svc stop || rc=$?
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done
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return $rc
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}
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#-- returns true only if all services return true status
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pp_status () {
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rc=0
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for svc in $svcs; do
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/etc/init.d/$svc status || rc=$?
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done
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return $rc
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}
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pp_reload () {
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rc=0
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for svc in $svcs; do
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/etc/init.d/$svc reload || rc=$?
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done
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return $rc
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}
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case "$1" in
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start) pp_start;;
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stop) pp_stop;;
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restart) pp_stop; pp_start;;
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status) pp_status;;
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try-restart|condrestart)
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if pp_status >/dev/null; then
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pp_restart
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fi;;
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reload) pp_reload;;
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force-reload) if pp_status >/dev/null; then
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pp_reload
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else
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pp_restart
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fi;;
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*) pp_usage;;
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esac
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.
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chmod 755 $out
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}
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#@ pp_rpm_service_make_init_script(svc): generates a service init script
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# Assumes %service variables have been set before invocation
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# Does nothing if an /etc/init.d/$svc script exists already.
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# Otherwise creates an /etc/init.d/$svc script that should work
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# under both Red Hat's chkconfig and LSB. Because LSB support is sometimes
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# broken on Red Hat, chkconfig is tried first.
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pp_rpm_service_make_init_script () {
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typeset svc=$1
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typeset script=/etc/init.d/$svc
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typeset out=$pp_destdir$script
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typeset _process _cmd _rpmlevels
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pp_add_file_if_missing $script run 755 || return 0
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#-- start out as an empty shell script
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cat <<-'.' >$out
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#!/bin/sh
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.
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#-- determine the process name from $cmd unless $svc_process is given
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set -- $cmd
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_process=${svc_process:-"$1"}
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#-- construct a start command that builds a pid file if needed
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_cmd="$cmd";
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if test -z "$pidfile"; then
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pidfile=/var/run/$svc.pid
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_cmd="$cmd & echo \$! > \$pidfile"
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fi
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if test "$user" != "root"; then
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_cmd="su $user -c exec $_cmd";
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fi
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#-- generate the Red Hat chkconfig headers
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_rpmlevels=`echo $start_runlevels | tr -d ' '`
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cat <<-. >>$out
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# chkconfig: ${_rpmlevels:--} ${start_priority:-50} ${stop_priority:-50}
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# description: ${svc_description:-no description}
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# processname: ${_process}
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# pidfile: ${pidfile}
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.
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#-- generate the LSB init info
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cat <<-. >>$out
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### BEGIN INIT INFO
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# Provides: ${svc}
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# Required-Start: ${lsb_required_start}
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# Should-Start: ${lsb_should_start}
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# Required-Stop: ${lsb_required_stop}
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# Default-Start: ${start_runlevels}
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# Default-Stop: ${stop_runlevels}
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# Short-Description: ${svc_description}
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### END INIT INFO
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# Generated by PolyPackage ${pp_version}
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# ${copyright}
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.
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if test x"${svc_description}" = x"${pp_rpm_default_svc_description}"; then
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svc_description=
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fi
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#-- write service-specific definitions
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cat <<. >>$out
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#-- definitions specific to service ${svc}
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svc_name="${svc_description:-$svc service}"
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user="${user}"
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pidfile="${pidfile}"
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stop_signal="${stop_signal}"
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reload_signal="${reload_signal}"
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pp_exec_cmd () { $_cmd; }
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.
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#-- write the generic part of the init script
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cat <<'.' >>$out
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#-- use system message logging, if available
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if [ -f /lib/lsb/init-functions -a ! -r /etc/redhat-release ]; then
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. /lib/lsb/init-functions
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pp_success_msg () { log_success_msg "$@"; }
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pp_failure_msg () { log_failure_msg "$@"; }
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pp_warning_msg () { log_warning_msg "$@"; }
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elif [ -f /etc/init.d/functions ]; then
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. /etc/init.d/functions
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pp_success_msg () { echo -n "$*"; success "$@"; echo; }
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pp_failure_msg () { echo -n "$*"; failure "$@"; echo; }
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pp_warning_msg () { echo -n "$*"; warning "$@"; echo; }
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else
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pp_success_msg () { echo ${1:+"$*:"} OK; }
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pp_failure_msg () { echo ${1:+"$*:"} FAIL; }
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pp_warning_msg () { echo ${1:+"$*:"} WARNING; }
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fi
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#-- prints a status message
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pp_msg () { echo -n "$*: "; }
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#-- prints usage message
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pp_usage () {
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echo "usage: $0 {start|stop|status|restart|reload|condrestart|try-restart|force-reload}" >&2
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return 2
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}
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#-- reloads the service, if possible
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# returns 0=success 1=failure 3=unimplemented
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pp_reload () {
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test -n "$reload_signal" || return 3 # unimplemented
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pp_msg "Reloading ${svc_name}"
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if pp_signal -${reload_signal}; then
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pp_success_msg
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return 0
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else
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pp_failure_msg "not running"
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return 1
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fi
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}
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#-- delivers signal $1 to the pidfile
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# returns 0=success 1=failure
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pp_signal () {
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if test -r "$pidfile"; then
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read pid < $pidfile
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kill "$@" "$pid" 2>/dev/null
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else
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return 1
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fi
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}
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#-- prints information about the service status
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# returns 0=running 1=crashed 3=stopped
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pp_status () {
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pp_msg "Checking for ${svc_name}"
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if pp_signal -0; then
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pp_success_msg "running"
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return 0
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elif test -r "$pidfile"; then
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pp_failure_msg "not running (crashed)"
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return 1
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else
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pp_failure_msg "not running"
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return 3
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fi
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}
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#-- starts the service
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# returns 0=success 1=failure
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pp_start () {
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pp_msg "Starting ${svc_name}"
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if pp_status >/dev/null; then
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pp_warning_msg "already started"
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return 0
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elif pp_exec_cmd; then
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pp_success_msg
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return 0
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else
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pp_failure_msg "cannot start"
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return 1
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fi
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}
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#-- stops the service
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# returns 0=success (always)
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pp_stop () {
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pp_msg "Stopping ${svc_name}"
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if pp_signal -${stop_signal}; then
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pp_success_msg
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else
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pp_success_msg "already stopped"
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fi
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rm -f "$pidfile"
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return 0
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}
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#-- stops and starts the service
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pp_restart () {
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pp_stop
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pp_start
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}
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case "$1" in
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start) pp_start;;
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stop) pp_stop;;
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restart) pp_restart;;
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status) pp_status;;
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try-restart|condrestart)
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if pp_status >/dev/null; then
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pp_restart
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fi;;
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reload) pp_reload;;
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force-reload) if pp_status >/dev/null; then
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pp_reload
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else
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pp_restart
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fi;;
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*) pp_usage;;
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esac
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.
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chmod 755 $out
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}
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