Merge branch '5127-detect-5xx-server-error' into 'master'

fix isInteractiveShell; less output for service

See merge request !6

icinga-cli.sh

@@ -172,7 +172,6 @@ function processAllChecks(){
 
   _log ""
   _log "------ looping over all checks"
-  getChecks
   for myconfig in $(getChecks)
   do
     iCounter=$iCounter+1

inc_functions.sh

@@ -6,7 +6,7 @@
 # ======================================================================
 
   isInteractiveShell=false
-  test -n "$PS1" && isInteractiveShell=true
+  test $PPID -ne 1 && isInteractiveShell=true
 
   # ..................................................................
   # write debug output to STDERR
@@ -248,12 +248,12 @@ function _getIpPrivate(){
 
     http.makeRequest "$1" "$2" "$3"
     if http.isServerError >/dev/null; then
-      echo "CRITICAL ERROR: API request failed with a server error $1 $2"
+      _elog "CRITICAL ERROR: API request failed with a server error $1 $2"
       exit 1
     fi
 
-    http.getResponseHeader
-    http.getResponse
+    _echo "$( http.getResponseHeader )"
+    _echo $( http.getResponse )
 
   }