change authentication

• remove telegraph stuff
• source a config file
• add doc page

check_couchdb

@@ -10,16 +10,24 @@
 #   - curl 
 #
 # SYNTAX:
-#   - check_couchdb [-h] [-t FILE] -m MODE
+#   - check_couchdb [-h] [-c CFGFILE] -m MODE
 #
 # ----------------------------------------------------------------------
-# 2023-08-28  v0.1  <axel.hahn@unibe.ch>
+# 2023-08-28  v0.1  <axel.hahn@unibe.ch>  first lines
+# 2023-08-28  v0.2  <axel.hahn@unibe.ch>  first check "up"
 # ======================================================================
 
 . $(dirname $0)/inc_pluginfunctions
 
-export self_APPVERSION=0.1
+export self_APPVERSION=0.2
 
+cfgfile=/etc/icingaclient/.couchdb
+
+# ----------------------------------------------------------------------
+# FUNCTIONS
+# ----------------------------------------------------------------------
+
+# show help
 function showHelp(){
     local _self; _self=$(basename $0)
     cat <<EOF
@@ -32,9 +40,9 @@ $_self [-h] [-t FILE] -m MODE
 
 OPTIONS:
     -h or --help   show this help.
+    -c CFGFILE     set a custom config file
+                   default: ${cfgfile}
     -m MODE        test a value; for debugging purposes
-    -t FILE        take couchdb auth from Telegraph config
-                   add file like /etc/telegraf/telegraf.conf
 
 EXAMPLE:
 $_self -m up
@@ -43,6 +51,10 @@ $_self -m up
 EOF
 }
 
+# ----------------------------------------------------------------------
+# MAIN
+# ----------------------------------------------------------------------
+
 # --- check param -h
 case "$1" in
     "--help"|"-h")
@@ -52,26 +64,24 @@ case "$1" in
     *)
 esac
 
-sTelegraph=$(ph.getValueWithParam "" "t" "$@")
 sMode=$(ph.getValueWithParam '' "m" "$@")
+cfgfile=$(ph.getValueWithParam "${cfgfile}" "c" "$@")
 
-if [ -n "$sTelegraph" ]; then
-        if [ ! -r "${sTelegraph}" ]; then
-                echo "ERROR: Telegraph config file [${sTelegraph}] cannot be read."
-                showHelp
-                ph.abort
-        fi
-        _user=$( grep "basic_username = " "${sTelegraph}" | cut -f 2 -d '"' )
-        _pw=$(   grep "basic_password = " "${sTelegraph}" | cut -f 2 -d '"' )
-        export COUCH_URL=http://${_user}:${_pw}@localhost:5984
+if [ ! -f "$cfgfile" ]; then
+    echo "ERROR: Config file [${cfgfile}] does not exist."
+    ph.abort
 fi
 
+. "$cfgfile" || exit 1
+
 if [ -z "$COUCH_URL" ]; then
-    echo "ERROR: I have no couchdb url + autentication yet."
+    echo "ERROR: I have no couchdb url + authentication yet."
     echo "Maybe you need to add -t /etc/telegraf/telegraf.conf."
     ph.abort
 fi
 
+# ----------------------------------------------------------------------
+
 case "${sMode}" in
     "up")
         response=$( curl -s "${COUCH_URL}/_up" )
@@ -90,3 +100,5 @@ case "${sMode}" in
 esac
 
 ph.exit
+
+# ----------------------------------------------------------------------