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|
#!/bin/sh
echo "Started $0 $*"
ROOT=
# parse command line params
action=
while [ $# != 0 ]; do
opt="$1"
case "$opt" in
enable)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
disable)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
mask)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
preset)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
--root=*)
ROOT=${opt##--root=}
cmd_args="0"
shift
;;
*)
if [ "$cmd_args" = "1" ]; then
services="$services $opt"
shift
else
echo "'$opt' is an unkown option; exiting with error"
exit 1
fi
;;
esac
done
if [ "$action" = "preset" -a "$service_file" = "" ]; then
services=$(for f in `find $ROOT/etc/systemd/system $ROOT/lib/systemd/system $ROOT/usr/lib/systemd/system -type f 2>1`; do basename $f; done)
services="$services $opt"
presetall=1
fi
for service in $services; do
if [ "$presetall" = "1" ]; then
action="preset"
fi
if [ "$action" = "mask" ]; then
if [ ! -d $ROOT/etc/systemd/system/ ]; then
mkdir -p $ROOT/etc/systemd/system/
fi
cmd="ln -s /dev/null $ROOT/etc/systemd/system/$service"
echo "$cmd"
$cmd
exit 0
fi
service_base_file=`echo $service | sed 's/\(@\).*\(\.[^.]\+\)/\1\2/'`
if [ -z `echo $service | sed '/@/p;d'` ]; then
echo "Try to find location of $service..."
service_template=false
else
echo "Try to find location of template $service_base_file of instance $service..."
service_template=true
if [ -z `echo $service | sed 's/^.\+@\(.*\)\.[^.]\+/\1/'` ]; then
instance_specified=false
else
instance_specified=true
fi
fi
# find service file
for p in $ROOT/etc/systemd/system \
$ROOT/lib/systemd/system \
$ROOT/usr/lib/systemd/system; do
if [ -e $p/$service_base_file ]; then
service_file=$p/$service_base_file
service_file=${service_file##$ROOT}
fi
done
if [ -z "$service_file" ]; then
echo "'$service_base_file' couldn't be found; exiting with error"
exit 1
fi
echo "Found $service in $service_file"
# If any new unit types are added to systemd they should be added
# to this regular expression.
unit_types_re='\.\(service\|socket\|device\|mount\|automount\|swap\|target\|path\|timer\|snapshot\)\s*$'
if [ "$action" = "preset" ]; then
action=`egrep -sh $service $ROOT/etc/systemd/user-preset/*.preset | cut -f1 -d' '`
if [ -z "$action" ]; then
globalpreset=`egrep -sh '\*' $ROOT/etc/systemd/user-preset/*.preset | cut -f1 -d' '`
if [ -n "$globalpreset" ]; then
action="$globalpreset"
else
action="enable"
fi
fi
fi
# create the required symbolic links
wanted_by=$(sed '/^WantedBy[[:space:]]*=/s,[^=]*=,,p;d' "$ROOT/$service_file" \
| tr ',' '\n' \
| grep "$unit_types_re")
required_by=$(sed '/^RequiredBy[[:space:]]*=/s,[^=]*=,,p;d' "$ROOT/$service_file" \
| tr ',' '\n' \
| grep "$unit_types_re")
for dependency in WantedBy RequiredBy; do
if [ "$dependency" = "WantedBy" ]; then
suffix="wants"
dependency_list="$wanted_by"
elif [ "$dependency" = "RequiredBy" ]; then
suffix="requires"
dependency_list="$required_by"
fi
for r in $dependency_list; do
echo "$dependency=$r found in $service"
if [ "$action" = "enable" ]; then
enable_service=$service
if [ "$service_template" = true -a "$instance_specified" = false ]; then
default_instance=$(sed '/^DefaultInstance[[:space:]]*=/s,[^=]*=,,p;d' "$ROOT/$service_file")
if [ -z $default_instance ]; then
echo "Template unit without instance or DefaultInstance directive, nothing to enable"
continue
else
echo "Found DefaultInstance $default_instance, enabling it"
enable_service=$(echo $service | sed "s/@/@$(echo $default_instance | sed 's/\\/\\\\/g')/")
fi
fi
mkdir -p $ROOT/etc/systemd/system/$r.$suffix
ln -s $service_file $ROOT/etc/systemd/system/$r.$suffix/$enable_service
echo "Enabled $enable_service for $r."
else
if [ "$service_template" = true -a "$instance_specified" = false ]; then
disable_service="$ROOT/etc/systemd/system/$r.$suffix/`echo $service | sed 's/@/@*/'`"
else
disable_service="$ROOT/etc/systemd/system/$r.$suffix/$service"
fi
rm -f $disable_service
[ -d $ROOT/etc/systemd/system/$r.$suffix ] && rmdir --ignore-fail-on-non-empty -p $ROOT/etc/systemd/system/$r.$suffix
echo "Disabled ${disable_service##$ROOT/etc/systemd/system/$r.$suffix/} for $r."
fi
done
done
# create the required symbolic 'Alias' links
alias=$(sed '/^Alias[[:space:]]*=/s,[^=]*=,,p;d' "$ROOT/$service_file" \
| tr ',' '\n' \
| grep "$unit_types_re")
for r in $alias; do
if [ "$action" = "enable" ]; then
mkdir -p $ROOT/etc/systemd/system
ln -s $service_file $ROOT/etc/systemd/system/$r
echo "Enabled $service for $alias."
else
rm -f $ROOT/etc/systemd/system/$r
echo "Disabled $service for $alias."
fi
done
# call us for the other required scripts
also=$(sed '/^Also[[:space:]]*=/s,[^=]*=,,p;d' "$ROOT/$service_file" \
| tr ',' '\n')
for a in $also; do
echo "Also=$a found in $service"
if [ "$action" = "enable" ]; then
$0 --root=$ROOT enable $a
fi
done
done
|
