Zabbix JMX之tomcat监控
工作原理:
1、JAVA-GATEWAY
Zabbix本身不支持直接监控Java,在zabbix 1.8以前,只能使用Zapcat来做代理监控,而且要修改源代码,非常麻烦。所有后来为了解决这个监控问题,Zabbix和Java双方应运生成了各自的代理监控程序:zabbix 2.0 以后添加了服务进程zabbix-java-gateway,用以在服务端接收JMX的监控数据;Java有了JMX(全称是Java Management Extensions,即Java管理扩展),用以在客户端收集客户端的监控数据并转发到zabbix-java-gateway
2、示意图
比如:当Zabbix-Server需要知道java应用程序的某项性能的时候,会启动自身的一个Zabbix-JavaPollers进程去连接Zabbix-Java-Gateway请求数据,而Zabbix-Java-gateway收到请求后会使用“JMX-management-API”去tomcat服务器开启JMX,而前提是tomcat服务器端在开启时需要“-Dcom.sun.management.jmxremote”参数来开启JMX远程查询。Java程序会启动自身的一个简单的小程序端口12345向Zabbix-JavaGateway提供请求数据。
Zabbix监控端部署:
1.安装zabbix server
编译安装zabbix server需要加上--enable-java以支持jmx监控,如果之前的zabbix server没加,那么请重新编译安装
./configure --prefix=/application/zabbix-3.0.3 --enable-server --enable-agent --enable-java --enable-ipv6 --with-mysql=/application/mysql-5.5.49/bin/mysql_config --with-net-snmp --with-libcurl --with-libxml2 --with-openipmi --with-unixodbc --with-openssl
并且监控端也需要安装java环境
2.安装zabbix_java_gateway
wget http://mirrors.aliyun.com/zabbix/zabbix/3.4/rhel/6/x86_64/zabbix-java-gateway-3.4.1-1.el6.x86_64.rpm
rpm -ivh zabbix-java-gateway-3.4.1-1.el6.x86_64.rpm(zabbix-java-gateway用老版本可能会出错)
#zabbix_java_gateway配置文件zabbix_java_gateway.conf里有默认端口等设置,这里我们保持默认即可
service zabbix-java-gateway start
此时,默认的端口10052应该打开,ss -nat | grep 10052查看
在zabbix_server.conf 中配置监控端访问zabbix_java_gateway
JavaGateway=172.16.2.150 #zabbix_java_gateway地址
StartJavaPollers=6 #预启动进程轮询个数,且这个值要比zabbix_java_gateway.conf中Start_poller值要大,不然会无法通信
重启zabbix-server
zabbix客户端安装:
1.安装JMX
1. 下载 JMX Remote jar 二进制包。放在 tomcat/lib 下面
wget http://archive.apache.org/dist/tomcat/tomcat-7/v7.0.56/bin/extras/catalina-jmx-remote.jar
2. 修改 tomcat conf/server.xml 配置文件,添加以下内容:
<Listener className="org.apache.catalina.mbeans.JmxRemoteLifecycleListener" rmiRegistryPortPlatform="12345" rmiServerPortPlatform="12346" /> |
3. 修改 tomcat/bin 目录下 catalina.sh ,添加以下内容:
CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=10.32.18.1" |
注意:Djava.rmi.server.hostname这里写上被监控端 hostname 是由于 hostname 默认值为 localhost,如果你的 tomcat 未监听在 localhost,那么不写具体 ip 会引发问题。并且这段配置应该写在catalina.sh的前面,不然端口打不开。
4. 确保 zabbix server 或者 proxy 和 配置文件中的端口通讯畅通,重启tomcat,lsof -i:12345端口打开
验证是否能获取数据
在监控端下载JMX cmd.jar文件
wget http://nchc.dl.sourceforge.net/project/jmxcmd/jmxcmd.jar
测试有数据则表示成功
命令格式:
# java -jar jmxcmd.jar - 192.168.3.18:12345 java.lang:type=Memory NonHeapMemoryUsage
导入模板,添加监控
<?xml version="1.0" encoding="UTF-8"?> -<zabbix_export> <version>2.0</version> <date>2013-05-30T03:17:01Z</date> -<groups> -<group> <name>Templates</name> </group> </groups> -<templates> -<template> <template>CustomTomcat</template> <name>CustomTomcat</name> -<groups> -<group> <name>Templates</name> </group> </groups> -<applications> -<application> <name>class</name> </application> -<application> <name>HeapStatistics</name> </application> -<application> <name>Sessions</name> </application> -<application> <name>ThreadStatistics</name> </application> -<application> <name>Tomcat</name> </application> </applications> -<items> -<item> <name>http-8080 gzip compression</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=ProtocolHandler,port=8080",compression]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>1</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> <applications/> <valuemap/> </item> -<item> <name>http-8080活动线程</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=Threading","ThreadCount"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>ThreadStatistics</name> </application> </applications> <valuemap/> </item> -<item> <name>http-8080线程峰值</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=Threading","PeakThreadCount"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>ThreadStatistics</name> </application> </applications> <valuemap/> </item> -<item> <name>http-8080线程总计</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=Threading","TotalStartedThreadCount"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>ThreadStatistics</name> </application> </applications> <valuemap/> </item> -<item> <name>Sessions-Number of sessions we rejected due to maxActive beeing reached</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=Manager,context=/,host=localhost",rejectedSessions]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>Sessions</name> </application> </applications> <valuemap/> </item> -<item> <name>Sessions-The maximum number of active Sessions allowed, or -1 for no limit</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=Manager,context=/,host=localhost",maxActiveSessions]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>0</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>Sessions</name> </application> </applications> <valuemap/> </item> -<item> <name>Sessions-会话数</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=Manager,context=/,host=localhost",sessionCounter]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>Sessions</name> </application> </applications> <valuemap/> </item> -<item> <name>Sessions-当前活动会话数</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=Manager,context=/,host=localhost",activeSessions]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>Sessions</name> </application> </applications> <valuemap/> </item> -<item> <name>Sessions-最大活动会话数</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=Manager,context=/,host=localhost",maxActive]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>Sessions</name> </application> </applications> <valuemap/> </item> -<item> <name>Tomcat version</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["Catalina:type=Server",serverInfo]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>1</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>Tomcat</name> </application> </applications> <valuemap/> </item> -<item> <name>堆内存已使用</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=Memory","HeapMemoryUsage.used"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>HeapStatistics</name> </application> </applications> <valuemap/> </item> -<item> <name>堆内存已提交</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=Memory","HeapMemoryUsage.committed"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>HeapStatistics</name> </application> </applications> <valuemap/> </item> -<item> <name>堆内存最大</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=Memory","HeapMemoryUsage.max"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>HeapStatistics</name> </application> </applications> <valuemap/> </item> -<item> <name>类-已加载</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=ClassLoading","LoadedClassCount"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>class</name> </application> </applications> <valuemap/> </item> -<item> <name>类-已卸载</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=ClassLoading","UnloadedClassCount"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>class</name> </application> </applications> <valuemap/> </item> -<item> <name>类-总计</name> <type>16</type> <snmp_community/> <multiplier>0</multiplier> <snmp_oid/> <key>jmx["java.lang:type=ClassLoading","TotalLoadedClassCount"]</key> <delay>30</delay> <history>90</history> <trends>365</trends> <status>0</status> <value_type>3</value_type> <allowed_hosts/> <units/> <delta>0</delta> <snmpv3_securityname/> <snmpv3_securitylevel>0</snmpv3_securitylevel> <snmpv3_authpassphrase/> <snmpv3_privpassphrase/> <formula>1</formula> <delay_flex/> <params/> <ipmi_sensor/> <data_type>0</data_type> <authtype>0</authtype> <username/> <password/> <publickey/> <privatekey/> <port/> <description/> <inventory_link>0</inventory_link> -<applications> -<application> <name>class</name> </application> </applications> <valuemap/> </item> </items> <discovery_rules/> <macros/> <templates/> <screens/> </template> </templates> -<graphs> -<graph> <name>会话状态</name> <width>900</width> <height>200</height> <yaxismin>0.0000</yaxismin> <yaxismax>100.0000</yaxismax> <show_work_period>1</show_work_period> <show_triggers>1</show_triggers> <type>0</type> <show_legend>1</show_legend> <show_3d>0</show_3d> <percent_left>0.0000</percent_left> <percent_right>0.0000</percent_right> <ymin_type_1>0</ymin_type_1> <ymax_type_1>0</ymax_type_1> <ymin_item_1>0</ymin_item_1> <ymax_item_1>0</ymax_item_1> -<graph_items> -<graph_item> <sortorder>0</sortorder> <drawtype>0</drawtype> <color>C80000</color> <yaxisside>0</yaxisside> <calc_fnc>2</calc_fnc> <type>0</type> -<item> <host>CustomTomcat</host> <key>jmx["Catalina:type=Manager,context=/,host=localhost",maxActive]</key> </item> </graph_item> -<graph_item> <sortorder>1</sortorder> <drawtype>0</drawtype> <color>00C800</color> <yaxisside>0</yaxisside> <calc_fnc>2</calc_fnc> <type>0</type> -<item> <host>CustomTomcat</host> <key>jmx["Catalina:type=Manager,context=/,host=localhost",activeSessions]</key> </item> </graph_item> -<graph_item> <sortorder>2</sortorder> <drawtype>0</drawtype> <color>0000C8</color> <yaxisside>0</yaxisside> <calc_fnc>2</calc_fnc> <type>0</type> -<item> <host>CustomTomcat</host> <key>jmx["Catalina:type=Manager,context=/,host=localhost",sessionCounter]</key> </item> </graph_item> -<graph_item> <sortorder>3</sortorder> <drawtype>0</drawtype> <color>C800C8</color> <yaxisside>0</yaxisside> <calc_fnc>2</calc_fnc> <type>0</type> -<item> <host>CustomTomcat</host> <key>jmx["Catalina:type=Manager,context=/,host=localhost",rejectedSessions]</key> </item> </graph_item> -<graph_item> <sortorder>4</sortorder> <drawtype>0</drawtype> <color>00C8C8</color> <yaxisside>0</yaxisside> <calc_fnc>2</calc_fnc> <type>0</type> -<item> <host>CustomTomcat</host> <key>jmx["Catalina:type=Manager,context=/,host=localhost",maxActiveSessions]</key> </item> </graph_item> </graph_items> </graph> -<graph> <name>堆内存状态</name> <width>900</width> <height>200</height> <yaxismin>0.0000</yaxismin> <yaxismax>100.0000</yaxismax> <show_work_period>1</show_work_period> <show_triggers>1</show_triggers> <type>0</type> <show_legend>1</show_legend> <show_3d>0</show_3d> <percent_left>0.0000</percent_left> <percent_right>0.0000</percent_right> <ymin_type_1>0</ymin_type_1> <ymax_type_1>0</ymax_type_1> <ymin_item_1>0</ymin_item_1> <ymax_item_1>0</ymax_item_1> -<graph_items> -<graph_item> <sortorder>0</sortorder> <drawtype>0</drawtype> <color>C80000</color> <yaxisside>0</yaxisside> <calc_fnc>2</calc_fnc> <type>0</type> -<item> <host>CustomTomcat</host> <key>jmx["java.lang:type=Memory","HeapMemoryUsage.used"]</key> </item> </graph_item> -<graph_item> <sortorder>1</sortorder> <drawtype>0</drawtype> <color>00C800</color> 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