Merge branch '6588-add-couchdb-check' into 'master'

6588 add couchdb check

See merge request !152

check_couchdb

@@ -18,11 +18,12 @@
 # 2023-08-28  v0.3  <axel.hahn@unibe.ch>  add check "replication"
 # 2023-08-28  v0.4  <axel.hahn@unibe.ch>  add check "pending"
 # 2023-08-28  v0.5  <axel.hahn@unibe.ch>  add checks "open_databases" + "open_os_files"
+# 2023-08-28  v0.6  <axel.hahn@unibe.ch>  add check "httpd_methods"
 # ======================================================================
 
 . $(dirname $0)/inc_pluginfunctions
 
-export self_APPVERSION=0.5
+export self_APPVERSION=0.6
 
 cfgfile=/etc/icingaclient/.couchdb
 export RESPONSE
@@ -55,6 +56,7 @@ OPTIONS:
   pending         show count of pending updates for nodes, dbs and users
   open_databases  show number of open databases
   open_os_files   show number of file descriptors CouchDB has open
+  httpd_methods   Show counters for http request methods
 
 EXAMPLE:
 $_self -m up
@@ -173,10 +175,11 @@ case "${sMode}" in
         echo "Reponse: of ${REQ}"; 
         echo "${RESPONSE}" | jq
         ;;
-
+    # ............................................................
     "open_databases"|"open_os_files")
         REQ=/_node/_local/_stats/couchdb/${sMode}
         abortOnWrongResponse "${REQ}" '"value":'
+
         # descr=$( jq '.desc'  <<< "${RESPONSE}" | tr -d '"')
         value=$( jq '.value' <<< "${RESPONSE}" )
         ph.perfadd "${sMode}" "$value"    "" ""
@@ -186,6 +189,28 @@ case "${sMode}" in
         echo "${RESPONSE}" | jq
         ;;
     # ............................................................
+    "httpd_methods")
+        REQ=/_node/_local/_stats/couchdb/httpd_request_methods
+        abortOnWrongResponse "${REQ}" '"value":'
+
+        _status=$( jq 'with_entries(.value |= .value)' <<< "${RESPONSE}" )
+        typeset -i _iValue
+        typeset -i _iDelta
+
+        ph.status "Couchdb :: Http request methods"
+        echo "    Method    Counter     Delta"
+        for myMethod in $( grep "[A-Z]" <<< "$_status" | cut -f 1 -d ':' | tr -d ' ' | tr -d '"')
+        do
+            
+            _iValue=$( grep "$myMethod" <<< "$_status" | cut -f 2 -d ':' | tr -d ',' )
+            _iDelta=$( ph.perfdeltaspeed "couchdb-method-${myMethod}" $_iValue)
+            printf "%10s %10s %10s per sec\n" "$myMethod" $_iValue $_iDelta
+            ph.perfadd "${myMethod}" "$_iDelta"    "" ""
+        done
+
+        # echo "${_status}" | jq
+        ;;
+    # ............................................................
     *)
         echo "ERRROR: [${sMode}] is an INVALID mode"
         showHelp

docs/20_Checks/check_couchdb.md

@@ -18,7 +18,7 @@ Check couchdb status.
 ______________________________________________________________________
 
 CHECK_COUCHDB
-v0.5
+v0.6
 
 (c) Institute for Medical Education - University of Bern
 Licence: GNU GPL 3
@@ -44,6 +44,7 @@ OPTIONS:
   pending         show count of pending updates for nodes, dbs and users
   open_databases  show number of open databases
   open_os_files   show number of file descriptors CouchDB has open
+  httpd_methods   Show counters for http request methods
 
 EXAMPLE:
 check_couchdb -m up
@@ -204,3 +205,22 @@ Reponse: of /_node/_local/_stats/couchdb/open_os_files
 }
  |openosfiles=0;; 
 ```
+
+### httpd_methods
+
+Show counters for http request methods.
+
+``check_couchdb -m httpd_methods`` returns
+
+```txt
+OK: Couchdb :: Http request methods
+    Method    Counter     Delta
+      COPY          0          0 per sec
+    DELETE          1          0 per sec
+       GET     116122          1 per sec
+      HEAD          0          0 per sec
+   OPTIONS          0          0 per sec
+      POST          0          0 per sec
+       PUT          0          0 per sec
+ |copy=0;; delete=0;; get=1;; head=0;; options=0;; post=0;; put=0;; 
+```
\ No newline at end of file