add doc page

docs/20_Checks/_index.md

@@ -30,7 +30,7 @@ There is one include script used by all checks:
 * [check_netstat](check_netstat.md)
 * [check_onehost](check_onehost.md)
 * [check_onevm](check_onevm.md)
-* check_opencpu
+* [check_opencpu](check_opencpu.md)
 * check_packages2install
 * check_php-fpm-status
 * check_proc_mem

docs/20_Checks/check_opencpu.md

+# check_opencpu
+
+## Introduction
+
+Test if OpenCpu is available via http and test if given packages are installed.
+
+### Requirements
+
+* wget
+
+## Syntax
+
+```text
+> ./check_opencpu -h
+______________________________________________________________________
+
+CHECK_OPENCPU
+v1.4
+
+(c) Institute for Medical Education - University of Bern
+Licence: GNU GPL 3
+
+https://os-docs.iml.unibe.ch/icinga-checks/Checks/check_opencpu.html
+______________________________________________________________________
+
+Test if opencpu is available.
+It returns OK if
+- opencpu is running on http://localhost/ocpu
+- all packages are installed: 
+  eosceGLM eosceLinReg eosceReliability eosceReporter msrdAnalytics
+
+SYNTAX:
+check_opencpu [-h] [-p PKG]
+
+OPTIONS:
+
+    -h or --help   show this help and exit.
+
+PARAMETERS:
+
+    -p PKG(s)      define package to test; for multiple packages quote 
+                   it and delimit them with space.
+
+EXAMPLES:
+
+    check_opencpu -p "myPackage1 myPackage2 anotherPackage"
+                   Check given opencpu packages
+
+    check_opencpu -p ""
+                   Check Opencpu only (without packages)
+
+```
+
+## Examples
+
+### Check with packages
+
+```txt
+OpenCpu: OK
+
+OK: openCpu is running and reachable with http
+OK: package is available [myPackage1] .. Build: R 4.1.1; ; 2021-11-09 10:18:01 UTC; unix
+OK: package is available [myPackage2] .. Build: R 4.1.1; ; 2022-03-07 11:07:03 UTC; unix
+OK: package is available [anotherPackage] .. Build: R 4.1.2; ; 2023-07-18 08:32:57 UTC; unix
+```