checkservices: more systemd informations

checkservices

@@ -33,10 +33,9 @@ usage() {
 	echo 'options:'
 	echo '   -h: this help' >&2
 	echo '   -r: restart services' >&2
-	echo '   -l: list systemd commands to execute' >&2
 	echo '   -R: reload services' >&2
 	echo "   -n: don't call systemd daemon-reload" >&2
-	echo "   -N: don't display failed units after restart/reload" >&2
+	echo "   -N: don't display status of restart/reload units" >&2
 	echo "   -v: verbose mode" >&2
 	exit 1
 }
@@ -45,8 +44,8 @@ while getopts 'hrlRnv' opt; do
 	case $opt in
 		r) systemd_cmd='restart';;
 		R) systemd_cmd='reload';;
-		n) daemon_reload=false;;
-		N) show_failed=false;;
+		n) no_reload=1;;
+		N) no_status=1;;
 		l) list=true;;
 		v) verbose=true;;
 		*) usage;;
@@ -55,18 +54,21 @@ done
 shift $((OPTIND - 1));
 (( $# > 0 )) && usage
 
-[[ -n "$systemd_cmd" || -n "$list" ]] || usage
-
-[[ $daemon_reload ]] || systemctl --system daemon-reload
+# reload units list
+[[ -z $no_reload ]] && systemctl --system daemon-reload
 
 # list of running services
 declare -a services
 services=($(systemctl -t service --full|grep \.service|grep running|sed -rn 's/^(.*\.service).*/\1/p'))
 
+# beggar count
+declare -a needy=()
+
 for svc in "${services[@]}"; do
 	pid=$(systemctl show "$svc"|sed -nr 's/^MainPID=(.*)/\1/p')
 	deleted=$(grep '(deleted)' "/proc/$pid/maps"|sed -nr 's|^\S+ ..x. \S+ \S+ \S+ \s+||p'|sort|uniq)
 	if [[ -n $deleted ]]; then
+		needy+=("$svc")
 		if [[ $verbose ]]; then
 			echo "${c_title}Service:${c_svc} $svc${c_rst}"
 			echo "${c_title}Pid:${c_rst} $pid"
@@ -84,7 +86,15 @@ for svc in "${services[@]}"; do
 done
 wait
 
-# show failed units
-[[ $systemd_cmd && $show_failed ]] && systemctl --failed --all
+# show units status
+if [[ -z $no_status && $systemd_cmd && ${needy[*]} ]]; then
+	systemctl --lines=0 status "${needy[@]}"
+fi
+
+if [[ $verbose ]]; then
+	systemctl --failed --all --no-pager --full list-units
+else
+	systemctl --failed --all --no-pager --no-legend --full list-units
+fi
 
 exit 0