remove special chars from systemd status

check_systemdunit

@@ -9,11 +9,12 @@
 # 2020-09-06  v1.2  <axel.hahn@unibe.ch>  add param -r to use a regex
 # 2020-09-18  v1.3  <axel.hahn@unibe.ch>  fix: list units --all to show all stopped units
 # 2020-09-18  v1.4  <axel.hahn@unibe.ch>  replace pipes in systemctl status output
+# 2020-10-20  v1.5  <axel.hahn@unibe.ch>  remove special chars from systemd status
 # ================================================================================
 
 . $( dirname $0 )/inc_pluginfunctions
 
-export self_APPVERSION=1.4
+export self_APPVERSION=1.5
 
 # ----------------------------------------------------------------------
 # FUNCTIONS
@@ -127,13 +128,16 @@ fi
 
 # --- check given unit
 
-_status=$( systemctl --no-pager -l status "${_unit}" 2>&1 | tr '|' ':' )
+_data=$( systemctl --no-pager -l status "${_unit}" 2>&1 | tr '|' ':' )
 
-if ! grep "Active: active (running) " <<< "${_status}" >/dev/null; then
+_status=$( echo "$_data" | head -1 | sed "s#^[^a-zA-Z]*##g" )
+if ! grep "Active: active (running) " <<< "${_data}" >/dev/null; then
     ph.setStatus critical
 fi
 ph.status "${_status}"
 
+echo "$_data" | sed -n "2,\$p" | tr -d '└├' | tr '─' '-'
+
 ph.exit
 
 # ----------------------------------------------------------------------

docs/20_Checks/check_systemdunit.md

@@ -16,7 +16,7 @@ A unit is everything listed by systemctl command - services, timers, targets, ..
 ______________________________________________________________________
 
 CHECK_SYSTEMDUNIT
-v1.4
+v1.5
 
 (c) Institute for Medical Education - University of Bern
 Licence: GNU GPL 3
@@ -89,17 +89,17 @@ To check a single service you need to add the unit name in the 1st column.
 ``$ ./check_systemdunit nginx`` returns
 
 ```txt
-OK: ● nginx.service - A high performance web server and a reverse proxy server
+OK: nginx.service - A high performance web server and a reverse proxy server
      Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; preset: disabled)
-     Active: active (running) since Tue 2023-09-05 08:04:45 CEST; 8h ago
-    Process: 577 ExecStart=/usr/bin/nginx -g pid /run/nginx.pid; error_log stderr; (code=exited, status=0/SUCCESS)
-   Main PID: 612 (nginx)
+     Active: active (running) since Fri 2023-10-20 08:04:35 CEST; 3h 14min ago
+    Process: 783 ExecStart=/usr/bin/nginx (code=exited, status=0/SUCCESS)
+   Main PID: 787 (nginx)
       Tasks: 2 (limit: 18881)
-     Memory: 3.0M
-        CPU: 38ms
+     Memory: 3.8M
+        CPU: 39ms
      CGroup: /system.slice/nginx.service
-             ├─612 "nginx: master process /usr/bin/nginx -g pid /run/nginx.pid; error_log stderr;"
-             └─613 "nginx: worker process"
+             -787 "nginx: master process /usr/bin/nginx"
+             -788 "nginx: worker process"
 ...
 ```