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#!/bin/sh
#---------------------------------------------------------------
# Project : Mandriva Linux
# Module : rpm-helper
# File : add-service
# Version : $Id$
# Authors : Frederic Lepied, Andrey Borzenkov
# Created On : Mon Jul 8 08:14:34 2002
# Purpose : helper script for rpm scriptlets to add a
# service.
#---------------------------------------------------------------
if [ x$1 = x--no-sysv ]; then
do_sysv=no
shift
else
do_sysv=yes
fi
if [ $# -lt 3 ]; then
echo "usage: $0 [--no-sysv] <pkg name> <number installed> [<service name>] [<unit name> ...]" 1>&2
exit 1
fi
# What init system are we currently using?
if /bin/mountpoint -q /sys/fs/cgroup/systemd; then
init=systemd
else
init=sysvinit
fi
pkg=$1 # name of the package
num=$2 # number of packages installed
if [ $do_sysv = yes ]; then
srv=$3 # name of the SysV script
shift 3
else
srv=
shift 2
fi
units="$*" # systemd units
units_to_enable= # units enabled by msec
systemd_migration_dir=/var/lib/rpm-helper/systemd-migration
mkdir -p "${systemd_migration_dir}"
USERUNITDIR=/etc/systemd/system
RUNTIMEUNITDIR=/run/systemd/system
SYSTEMUNITDIR=/lib/systemd/system
find_unit() {
unit=$(basename $1)
# We need to normalise the systemd unit name as the native unit may not have
# the same filename (sans it's .service suffix) as sysvinit script.
# In this case, symlinks are used to mask the sysvinit file, but for enabling
# and disabling units we must use the official name.
searchunit=
if [ -f "$USERUNITDIR/$unit" ]; then
if [ -L "$USERUNITDIR/$unit" ]; then
searchunit=$(/usr/bin/readlink "$USERUNITDIR/$unit")
else
searchunit="$USERUNITDIR/$unit"
fi
elif [ -f "$RUNTIMEUNITDIR/$unit" ]; then
if [ -L "$RUNTIMEUNITDIR/$unit" ]; then
searchunit=$(/usr/bin/readlink "$RUNTIMEUNITDIR/$unit")
else
searchunit="$RUNTIMEUNITDIR/$unit"
fi
elif [ -f "$SYSTEMUNITDIR/$unit" ]; then
if [ -L "$SYSTEMUNITDIR/$unit" ]; then
searchunit=$(/usr/bin/readlink "$SYSTEMUNITDIR/$unit")
else
searchunit="$SYSTEMUNITDIR/$unit"
fi
fi
if [ -n "$searchunit" ]; then
echo -n $searchunit
fi
}
# If only a sysvinit service is given, then deal with a systemd unit of the same
# name. Specific specs can enable specific unit names as needed but this should
# catch the most common usage.
if [ -z "$units" ]; then
units="$srv.service"
searchunit=$(find_unit $units)
if [ -n "$searchunit" ]; then
units=$(basename $searchunit)
fi
fi
add_service() {
# Add the service
if [ -r /etc/sysconfig/msec ]; then
. /etc/sysconfig/msec
fi
# High security: add only authorized services
LIST=/etc/security/msec/server
# during the install the symlink isn't done so find the right file
# by ourselves
if [ -n "$DURING_INSTALL" -a ! -f $LIST ]; then
LIST=/etc/security/msec/server.$SECURE_LEVEL
fi
# This is half-hearted support for msec: we check "srv" for a unit
# with name "srv.service". This should account for most(?) common
# case when SysV script srv is replaced by single unit srv.service
# If SysV name was supplied, we assume units are equivalent and do
# not need to be checked.
# TODO should msec support full unit name?
if [ -f $LIST ]; then
if [ -n "$srv" ]; then
if fgrep -qx "${srv}" $LIST; then
units_to_enable="$units"
else
srv=
fi
else
for i in $units; do
[ $i != ${i%.service} ] && ! fgrep -qx ${i%.service} $LIST && continue
[ $i != ${i%.socket} ] && ! fgrep -qx ${i%.socket} $LIST && continue
[ $i != ${i%.path} ] && ! fgrep -qx ${i%.path} $LIST && continue
units_to_enable="$units_to_enable $i"
done
fi
else
units_to_enable="$units"
fi
# Actually do enable/disable foo
if [ -n "$units_to_enable" ]; then
/bin/systemctl --quiet enable $units_to_enable >/dev/null
fi
# When no native systemd unit exists, the above command will actually
# just end up running chkconfig anyway, but if a native systemd unit exists
# the legacy init script will not be enabled.
# In order to enable switching back ot sysvinit, we should enable the
# sysvinit scripts too.
if [ -n "$srv" -a -f /etc/rc.d/init.d/$srv ]; then
/sbin/chkconfig --add $srv
if [ -r /etc/sysconfig/system ]; then
. /etc/sysconfig/system
fi
# TODO what to do with system units here?
if [ -z "$ADD_SERVICES_TO_CURRENT_PROFILE_ONLY" ]; then
# add the service to all the profiles at once
if [ -d /etc/netprofile/profiles/default/services ]; then
for dir in /etc/netprofile/profiles/*/services; do
touch $dir/$srv
done
fi
fi
fi
}
check_sysvinit_service() {
rl=$1
srv=$2
set -- /etc/rc${rl}.d/S??$srv
if [ $# -gt 1 ]; then
echo 1>&2 "add-service: Error: $srv appears multiple times at runlevel $rl: $*"
fi
echo -n $1
}
if [ $num = 1 ]; then
# First install mode
add_service
else
# Upgrade mode.
# Handle migration to systemd.
# If a previously installed package only had a sysvinit script, but an
# updated package has a native systemd unit, we need to make sure we migrate
# any service enablement for various targets (née runlevels)
if [ -n "$srv" -a -n "$units" ]; then
if [ ! -f "${systemd_migration_dir}/$srv" ]; then
full_path_units=
for unit in $units; do
# We need a full path for the symlink. Also it's possible
# that $unit contains "foo.service" where foo is actually
# a sysvinit script and thus we'll not have anything native.
# We only consider a "migration" to have taken place when
# we genuinely have a native systemd unit.
unit=$(find_unit $unit)
if [ -n "$unit" ]; then
full_path_units="$full_path_units $unit"
fi
done
if [ -n "$full_path_units" ]; then
enable_targets=
# We have not yet migrated this service
# First we check in which runlevels the legacy service is enabled
# Only bother checking runlevels 1 3 and 5
script=$(check_sysvinit_service 1 $srv)
# NB We only check that the link exists as the old sysvinit
# script may have been removed during migration to systemd
# native unit.
if [ -L "$script" ]; then
enable_targets="$enable_targets rescue.target"
fi
script=$(check_sysvinit_service 3 $srv)
if [ -L "$script" ]; then
enable_targets="$enable_targets multi-user.target"
else
# As graphical.target includes everything in multi-user.target,
# we only need to check 5 when 3 does NOT give us a result.
script=$(check_sysvinit_service 5 $srv)
if [ -L "$script" ]; then
enable_targets="$enable_targets graphical.target"
fi
fi
if [ -n "$enable_targets" ]; then
for enable_target in $enable_targets; do
wantsdir=$USERUNITDIR/${enable_target}.wants
mkdir -p $wantsdir
for unit in $full_path_units; do
if [ ! -f $wantsdir/$(basename $unit) ]; then
echo 1>&2 "Migrating sysvinit service '$srv' to systemd native unit '$(basename $unit)' for target '${enable_target}'"
ln -s $unit $wantsdir/$(basename $unit)
fi
done
done
fi
# It could be that a package is installed but not enabled.
# If that is the case, we should still consider it "migrated"
# even when we do not enable anything.
touch "${systemd_migration_dir}/$srv"
fi
fi
fi
if [ x$init = xsystemd ]; then
# Package install may have changed the unit file, so reload the daemon
# before trying to restart anything
/bin/systemctl --system daemon-reload
/bin/systemctl --quiet try-restart $units
elif [ -f /etc/rc.d/init.d/$srv ]; then
script=$(check_sysvinit_service 3 $srv);
if [ -f "$script" ]; then
/sbin/chkconfig --add $srv
fi
# restart the service if already running
if [ -f /var/lock/subsys/$srv ]; then
/sbin/service $srv restart > /dev/null || :
fi
fi
fi
# add-service ends here
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