-#!/bin/bash
+# no need for shebang - this file is loaded from charts.d.plugin
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
+# Contributed by @jgeromero with PR #277
# Description: Tomcat netdata charts.d plugin
# Author: Jorge Romero
tomcat_curl_opts=""
# set tomcat username/password here
-tomcatUser=""
-tomcatPassword=""
+tomcat_user=""
+tomcat_password=""
# _update_every is a special variable - it holds the number of seconds
# between the calls of the _update() function
# check if url, username, passwords are set
if [ -z "${tomcat_url}" ]; then
- echo >&2 "tomcat url is unset or set to the empty string"
+ error "tomcat url is unset or set to the empty string"
return 1
fi
- if [ -z "${tomcatUser}" ]; then
- echo >&2 "tomcat user is unset or set to the empty string"
- return 1
+ if [ -z "${tomcat_user}" ]; then
+ # check backwards compatibility
+ if [ -z "${tomcatUser}" ]; then
+ error "tomcat user is unset or set to the empty string"
+ return 1
+ else
+ tomcat_user="${tomcatUser}"
+ fi
fi
- if [ -z "${tomcatPassword}" ]; then
- echo >&2 "tomcat password is unset or set to the empty string"
- return 1
+ if [ -z "${tomcat_password}" ]; then
+ # check backwards compatibility
+ if [ -z "${tomcatPassword}" ]; then
+ error "tomcat password is unset or set to the empty string"
+ return 1
+ else
+ tomcat_password="${tomcatPassword}"
+ fi
fi
# check if we can get to tomcat's status page
tomcat_get
if [ $? -ne 0 ]
then
- echo >&2 "tomcat: couldn't get to status page on URL '${tomcat_url}'."\
- "Please make sure tomcat url, username and password are correct."
+ error "cannot get to status page on URL '${tomcat_url}'. Please make sure tomcat url, username and password are correct."
return 1
fi
tomcat_get() {
# collect tomcat values
tomcat_port="$(IFS=/ read -ra a <<< "$tomcat_url"; hostport=${a[2]}; echo "${hostport#*:}")"
- mapfile -t lines < <(curl -u "$tomcatUser":"$tomcatPassword" -Ss ${tomcat_curl_opts} "$tomcat_url" |\
- xmlstarlet sel \
+ mapfile -t lines < <(run curl -u "$tomcat_user":"$tomcat_password" -Ss ${tomcat_curl_opts} "$tomcat_url" |\
+ run xmlstarlet sel \
-t -m "/status/jvm/memory" -v @free \
-n -m "/status/connector[@name='\"http-bio-$tomcat_port\"']/threadInfo" -v @currentThreadCount \
-n -v @currentThreadsBusy \