forked from pool/systemd
b5477698ee
- systemd-sysv-convert: handle the case when services are migrated from SysV scripts to systemd units and are renamed at the same time (bsc#1181788) The list of such services is hard coded and contains only the 'ntp->ntpd' translation. OBS-URL: https://build.opensuse.org/request/show/869761 OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=1134
121 lines
2.8 KiB
Bash
121 lines
2.8 KiB
Bash
#!/bin/bash
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info() {
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echo "$(basename $0): $*"
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}
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warn() {
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echo >&2 "$(basename $0): warning, $*"
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}
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usage() {
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echo >&2 "usage: $(basename $0) --apply <service> [<service> ...]"
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}
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if [ "$UID" != "0" ]; then
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warn "need to be root, aborting"
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exit 1
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fi
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if [ $# -lt 2 ]; then
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usage
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exit 1
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fi
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database_lookup() {
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local service unused
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# 'priority' field is not used but is kept for backward compat reason.
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while read service unused; do
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if [ $service == $1 ]; then
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return 0
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fi
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done </var/lib/systemd/sysv-convert/database
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return 1
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}
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database_add() {
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# Write a dumb priority as it is not used.
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echo "$1 $2 50" >>/var/lib/systemd/sysv-convert/database
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}
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# Initialize the database.
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if [ ! -e /var/lib/systemd/sysv-convert/database ]; then
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touch /var/lib/systemd/sysv-convert/database
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fi
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case "$1" in
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--save)
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# --save is kept for backward compatibility.
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;;
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--apply)
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shift
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for service in $@; do
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# For backward compat we accept the name of the
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# service with or without the unit type suffix. If the
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# suffix is not there, assume .service type.
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case "$service" in
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*.*) initscript="${service%.*}" ;;
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*) initscript="$service"
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service="$service.service"
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esac
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# Did we already migrate this service during a previous update ?
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database_lookup $initscript &&
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continue
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# Sanity check.
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unit="/usr/lib/systemd/system/$service"
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if [ ! -f "$unit" ]; then
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warn "$unit not found, skipping"
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continue
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fi
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# Mark the service as processed to make sure we will do the migration only
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# once. This is important especially for packages that keep their init
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# scripts around even if they're no more used. Since the saved info won't
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# be reused again we simply use an invalid runlevel and add the service
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# in the db only once.
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database_add $initscript -1
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# Some services were renamed during the transition from SySV init to
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# systemd (bsc#1181788). Rather than letting packages fixing that
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# themselves by hacking our database directly, let's hard-code renames
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# here. Not really nice but that's the least worst solution.
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case $initscript in
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ntpd) initscript=ntp ;;
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esac
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# The package is introducing new services and never has any sysv init
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# scripts (bsc#982303).
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if [ ! -r /etc/init.d/$initscript ] &&
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[ ! -r /etc/init.d/boot.$initscript ]; then
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continue
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fi
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for rcnd in rc2.d rc3.d rc4.d rc5.d boot.d; do
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# Was the sysvinit script enabled ? (bsc#982211)
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case $rcnd in
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boot.d) [ -L /etc/rc.d/boot.d/S??boot.$initscript ] || continue ;;
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*) [ -L /etc/rc.d/$rcnd/S??$initscript ] || continue
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esac
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case $rcnd in
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boot.d) runlevel=3 ;;
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*) runlevel=${rcnd:2:1}
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esac
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target=runlevel$runlevel.target
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info "enabling $unit (wanted by $target)..."
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mkdir -p "/etc/systemd/system/$target.wants"
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ln -sf $unit /etc/systemd/system/$target.wants/$service
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done
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done
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;;
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*)
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usage
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exit 1
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esac
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