update lib

lib/utils.sh

@@ -335,6 +335,27 @@ is_service_enabled() {
     fi
 }
 
+is_service_active() {
+    local SERVICE=$1
+
+    # if running in a container, it does not make much sense to test for systemd / service
+    # the var "IS_CONTAINER" defined in lib/constant may not be enough, in case we are using systemd slices
+    # currently, did not find a unified way to manage all cases, so we check this only for systemctl usage
+    is_using_sbin_init
+    if [ "$FNRET" -eq 1 ]; then
+        debug "host was not started using '/sbin/init', systemd should not be available"
+        FNRET=1
+        return
+    fi
+    if $SUDO_CMD systemctl -t service is-active "$SERVICE" >/dev/null; then
+        debug "Service $SERVICE is active"
+        FNRET=0
+    else
+        debug "Service $SERVICE is active"
+        FNRET=1
+    fi
+}
+
 #
 # Kernel Options checks
 #