daemon: make --makepid work with rc-logging

[projects/rc-scripts.git] / service

diff --git a/service b/service
index 7e210ee2b84abdd404ac8355b3a93c1633bbd744..f882bdb2888fd1d2535ce383b87c03716f4c6ec6 100755 (executable)
--- a/service
+++ b/service
@@ -16,11 +16,110 @@ is_ignored_file() {
        return 1
 }
 
+# check if SERVICE is present in systemd and ACTION is valid systemctl command
+# returns false if systemd is disabled or not active
+is_systemd_service() {
+       local SERVICE=$1 ACTION=$2
+
+       [ "$USE_SYSTEMD" = "no" ] && return 1
+
+       # if we are called from systemd itself, because some .service specified
+       # invocation via /sbin/service. this avoids loops
+       # detect this via CMDLINE var, which has leaked from geninitrd
+       if [ -n "$CMDLINE" ]; then
+               echo >&2  "Warning: CMDLINE env set, likely you are defining .service to use /sbin/service, please use /etc/rc.d/init.d/<SERVICE> instead"
+               return 1
+       fi
+
+       case "$ACTION" in
+       # list obtained as: man systemctl | grep N.*A.*M.*E
+       start | \
+       stop | \
+       reload | \
+       restart | \
+       try-restart | \
+       reload-or-restart | \
+       reload-or-try-restart | \
+       isolate | \
+       kill | \
+       is-active | \
+       status | \
+       show | \
+       reset-failed | \
+       enable | \
+       disable | \
+       is-enabled | \
+       reenable | \
+       preset | \
+       mask | \
+       unmask | \
+       link | \
+       load | \
+       snapshot | \
+       delete | \
+       set-environment | \
+       unset-environment )
+               ;;
+       *)
+               #echo "Not valid systemd command"
+               return 1
+       esac
+
+       [ -x /bin/systemd_booted ] || return 1
+       /bin/systemd_booted || return 1
+
+       /bin/systemctl show "$SERVICE".service | grep -q LoadError= && return 1 || return 0
+}
+
+status_all() {
+       local SERVICE TYPE has_systemd
+
+       if [ "$USE_SYSTEMD" != "no" ] && [ -x /bin/systemd_booted ] && /bin/systemd_booted; then
+               has_systemd=1
+       else
+               unset has_systemd
+       fi
+
+       cd ${SERVICEDIR}
+       for SERVICE in *; do
+               case "${SERVICE}" in
+               functions | halt | killall | single| linuxconf| kudzu)
+                       ;;
+               *)
+               if ! is_ignored_file "${SERVICE}" \
+                               && [ -x "${SERVICEDIR}/${SERVICE}" ]; then
+                       if [ "$has_systemd" ] && [ -f /lib/systemd/system/${SERVICE}.service ]; then
+                               # D for SystemD
+                               TYPE='D'
+                       else
+                               # S for SysVinit
+                               TYPE='S'
+                       fi
+                       if ! grep -qs "\Wstatus)" "$SERVICE"; then
+                               printf " %s %-60s %s\n" "$TYPE:[?]" "$SERVICE:" "unknown"
+                               continue
+                       else
+                               out=$(env -i LANG="$LANG" PATH="$PATH" TERM="$TERM" "$SERVICEDIR/$SERVICE" status 2>&1)
+                               if [ "$?" = "0" -a -n "$out" ]; then
+                                       printf " %s %-60s %s\n" "$TYPE:[+]" "$SERVICE:" "running"
+                                       continue
+                               else
+                                       printf " %s %-60s %s %s\n" "$TYPE:[-]" "$SERVICE:" "NOT running"
+                                       continue
+                               fi
+                       fi
+               fi
+               ;;
+               esac
+       done
+}
+
 VERSION="$(basename $0) ver. 0.91-pld"
 USAGE="Usage: $(basename $0) < option > | --status-all | \
 [ service_name [ command | --full-restart ] ]"
 
 SERVICE=
+USE_SYSTEMD=
 
 if [ -d /etc/rc.d/init.d ]; then
        SERVICEDIR="/etc/rc.d/init.d"
@@ -44,37 +143,21 @@ while [ $# -gt 0 ]; do
                echo "${VERSION}" >&2
                exit 0
                ;;
-       *)
+       --ignore-dependencies)
+               export SYSTEMCTL_IGNORE_DEPENDENCIES=1
+               shift
+               ;;
+       --skip-redirect)
+               export SYSTEMCTL_SKIP_REDIRECT=1
+               shift
+               ;;
+       --no-systemd)
+               USE_SYSTEMD=no
+               shift
+               ;;
+         *)
                if [ -z "${SERVICE}" -a $# -eq 1 -a "${1}" = "--status-all" ]; then
-                       cd ${SERVICEDIR}
-                       for SERVICE in *; do
-                               case "${SERVICE}" in
-                               functions | halt | killall | single| linuxconf| kudzu)
-                                       ;;
-                               *)
-                               if ! is_ignored_file "${SERVICE}" \
-                                               && [ -x "${SERVICEDIR}/${SERVICE}" ]; then
-                                       if ! grep -qs "\Wstatus)" "$SERVICE"; then
-                                               #printf " %s %-60s %s\n" "[?]" "$SERVICE:" "unknown" 1>&2
-                                               echo " [ ? ]  $SERVICE" 1>&2
-                                               continue
-                                       else
-                                               out=$(env -i LANG="$LANG" PATH="$PATH" TERM="$TERM" "$SERVICEDIR/$SERVICE" status 2>&1)
-                                               if [ "$?" = "0" -a -n "$out" ]; then
-                                                       #printf " %s %-60s %s\n" "[+]" "$SERVICE:" "running"
-                                                       echo " [ + ]  $SERVICE"
-                                                       continue
-                                               else
-                                                       #printf " %s %-60s %s\n" "[-]" "$SERVICE:" "NOT running"
-                                                       echo " [ - ]  $SERVICE"
-                                                       continue
-                                               fi
-                                       fi
-                                       #env -i LANG="$LANG" PATH="$PATH" TERM="$TERM" "$SERVICEDIR/$SERVICE" status
-                               fi
-                               ;;
-                               esac
-                       done
+                       status_all
                        exit 0
                elif [ $# -eq 2 -a "${2}" = "--full-restart" ]; then
                        SERVICE="${1}"
@@ -95,7 +178,10 @@ while [ $# -gt 0 ]; do
        esac
 done
 
-if [ -x "${SERVICEDIR}/${SERVICE}" ]; then
+if is_systemd_service "${SERVICE}" "${ACTION}"; then
+       echo >&2 "Redirecting to /bin/systemctl --output=cat ${ACTION} ${SERVICE}.service ${OPTIONS}"
+       exec /bin/systemctl --output=cat ${ACTION} ${SERVICE}.service ${OPTIONS}
+elif [ -x "${SERVICEDIR}/${SERVICE}" ]; then
        exec env -i LANG=$LANG PATH=$PATH TERM=$TERM "${SERVICEDIR}/${SERVICE}" ${ACTION} ${OPTIONS}
 else
        echo "${SERVICE}: unrecognized service" >&2