Mesos + Marathon + Chronos + Docker环境安装
背景信息组网:OS:CentOS7bigdata01:Mesos(master),Marathon,Chronos,ZooKeeperbigdata02:docker mesos(slave)JDK版本:[root@bigdata01 bin]# java -versionjava version "1.8.0_144"Java(TM) SE Runtime Env
组网:
OS:CentOS7
bigdata01:Mesos(master),Marathon,Chronos,ZooKeeper
bigdata02:docker mesos(slave)
JDK版本:
[root@bigdata01 bin]# java -version
java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)
安装过程
1、配置主机名
vi /etc/hosts
192.168.209.10 bigdata01 bigdata01.zetyun.com
192.168.209.11 bigdata02 bigdata02.zetyun.com
2、在所有机器上,安装Mesos源
# rpm -Uvh http://repos.mesosphere.io/el/7/noarch/RPMS/mesosphere-el-repo-7-1.noarch.rpm
3、在bigdata01(作为master)执行如下安装命令:
3.1 在Master上安装Mesos,Marathon,Chronos,ZooKeeper
# yum install mesos marathon chronos mesosphere-zookeeper
3.2 配置ZK
本次配置的Master是单节点环境,ZooKeeper也是单点
# vi /etc/mesos/zk
zk://bigdata01:2181/mesos
3.3配置Mesos
vi /etc/mesos-master/ip
192.168.209.10
(注意:这里需要配置为IP地址,使用主机名时导致启动失败)
3.4启动服务
# systemctl start zookeeper
# systemctl start mesos-master
# systemctl start marathon
# systemctl start chronos
4、在bigdata02(作为slave)执行如下安装命令:
4.1在Slave上安装Mesos,Docker
# yum install mesos docker
4.2配置Docker
# echo 'docker,mesos' > /etc/mesos-slave/containerizers
# echo '5mins' > /etc/mesos-slave/executor_registration_timeout
4.3配置ZK
# vi /etc/mesos/zk
zk://bigdata01:2181/mesos
4.4配置Mesos
vi /etc/mesos-master/ip
192.168.209.10
(注意:这里需要配置为IP地址,使用主机名时导致启动失败)
4.5启动服务
# systemctl start docker
# systemctl start mesos-slave
5、安装检查
5.1Mesos界面
http://bigdata01:5050/#/
5.2Marathon界面
http://bigdata01:8080/ui/#/apps
5.3Chronos界面
http://bigdata01:4400/
故障处理:
故障描述:
marathon启动失败,报错信息如下:
[root@bigdata01 marathon]# systemctl start marathon.service
[root@bigdata01 marathon]# journalctl -u marathon
-- Logs begin at Sun 2017-12-03 23:00:44 PST, end at Mon 2017-12-04 01:10:51 PST. --
Dec 03 23:51:35 bigdata01.zetyun.com systemd[1]: Starting Scheduler for Apache Mesos...
Dec 03 23:51:35 bigdata01.zetyun.com systemd[1]: Started Scheduler for Apache Mesos.
Dec 03 23:51:36 bigdata01.zetyun.com marathon[12311]: No start hook file found ($HOOK_MARATHON_START). Proceeding with the start script.
Dec 03 23:51:41 bigdata01.zetyun.com marathon[12311]: [scallop] Error: Required option 'master' not found
Dec 03 23:51:41 bigdata01.zetyun.com systemd[1]: marathon.service: main process exited, code=exited, status=1/FAILURE
Dec 03 23:51:41 bigdata01.zetyun.com systemd[1]: Unit marathon.service entered failed state.
Dec 03 23:51:41 bigdata01.zetyun.com systemd[1]: marathon.service failed.
Dec 03 23:52:41 bigdata01.zetyun.com systemd[1]: marathon.service holdoff time over, scheduling restart.
解决办法:
通过上述日志可以看出,是找不到master导致启动失败,根据网络上的信息做了如下配置:
创建 /etc/marathon/conf目录,并在该目录下创建如下三个文件:
[root@bigdata01 conf]# pwd
/etc/marathon/conf
[root@bigdata01 conf]# ls
hostname master zk
[root@bigdata01 conf]# cat hostname
192.168.209.10
[root@bigdata01 conf]# cat master
zk://bigdata01:2181/mesos
[root@bigdata01 conf]# cat zk
zk://bigdata01:2181/marathon
执行上述操作后,启动时依然报相同的错误,最后根据如下办法直接带master参数启动marathon,最终成功
[root@bigdata01 bin]# pwd
/usr/share/marathon/bin
[root@bigdata01 bin]# ls
backup marathon native restore
[root@bigdata01 bin]# ./marathon --master zk://bigdata01:2181/mesos
说明:这个命令是参考http://www.genshuixue.com/wenda/6783812.html中的如下信息猜测得出的:
cd marathon_home bin/start --master zk://mesos_url_on_zk/mesos --zk zk://zk_url:2181/marathon
安装过程参考:http://blog.csdn.net/haiyang4988/article/details/53538036
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