2.centos7 安装Mesos和marathon
master节点
| 节点名称 | IP地址 |
| master1 | 192.168.161.128 |
由于硬件资源有限,这里仅安装一个master节点,会存在单点问题.在实际生产中,尽量不要这样操作.
1.安装zookeeper
https://www.cnblogs.com/gytangyao/p/10172265.html
2.安装Mesos
1)添加mesos yum源
sudo rpm -Uvh http://repos.mesosphere.io/el/7/noarch/RPMS/mesosphere-el-repo-7-1.noarch.rpm
yum -y install mesos marathon
2)更改mesos的zk配置
vi /etc/mesos/zk
写入zookeeper节点的地址,例如:zk://192.168.1.110:2181,192.168.1.111:2181,192.168.1.112:2181/mesos
zk://192.168.161.128:2181/mesos
按需更改quorum,如果zookeeper以单机模式运行则不用修改
设置 --quorum=2 的意思是：至少要有 2 台 master 节点在线，否则集群无法起来，所以至少要两台 master 一起启动。
vi /etc/mesos-master/quorum
3)配置mesos-master和marathon 的hostname和ip
hostname直接配置的本机ip，是为了防止出现dns无法解析的问题；
echo "192.168.161.128" > /etc/mesos-master/ip
echo "192.168.161.128" > /etc/mesos-master/hostname
mkdir -p /etc/marathon/conf/
echo "192.168.161.128" > /etc/marathon/conf/hostname
echo "192.168.161.128 master1" >> /etc/hosts
4)给marathon填加mesos的地址参数
vim /etc/default/marathon MARATHON_MASTER="zk://192.168.161.128:2181/mesos" MARATHON_ZK="zk://192.168.161.128:2181/marathon" MARATHON_MESOS_USER="root"
5)启动服务
systemctl start zookeeper && systemctl start mesos-master && systemctl start marathon && systemctl disable mesos-slave
6)其他配置
Marathon WebUI默认的端口是8080，修改端口的方法：
vi /etc/default/marathon export HTTP_PORT=8181 export MARATHON_HTTP_PORT=8181
6)错误排错
Required option 'master' not found 可使用 journalctl -u marathon 查看日志
# journalctl -u marathon -- Logs begin at Thu 2018-06-14 15:55:28 CST, end at Thu 2018-06-14 19:52:34 CST. -- Jun 14 15:55:35 dev-master-01 systemd[1]: marathon.service holdoff time over, scheduling restart. Jun 14 15:55:35 dev-master-01 systemd[1]: Starting Scheduler for Apache Mesos... Jun 14 15:55:35 dev-master-01 systemd[1]: Started Scheduler for Apache Mesos. Jun 14 15:55:35 dev-master-01 marathon[7966]: No start hook file found ($HOOK_MARATHON_START). Proceeding with the start script. Jun 14 15:55:36 dev-master-01 marathon[7966]: [scallop] Error: Required option 'master' not found Jun 14 15:55:36 dev-master-01 systemd[1]: marathon.service: main process exited, code=exited, status=1/FAILURE Jun 14 15:55:36 dev-master-01 systemd[1]: Unit marathon.service entered failed state. Jun 14 15:55:36 dev-master-01 systemd[1]: marathon.service failed. Jun 14 15:56:36 dev-master-01 systemd[1]: marathon.service holdoff time over, scheduling restart. Jun 14 15:56:36 dev-master-01 systemd[1]: Starting Scheduler for Apache Mesos... Jun 14 15:56:36 dev-master-01 systemd[1]: Started Scheduler for Apache Mesos. Jun 14 15:56:36 dev-master-01 marathon[8046]: No start hook file found ($HOOK_MARATHON_START). Proceeding with the start script. Jun 14 15:56:37 dev-master-01 marathon[8046]: [scallop] Error: Required option 'master' not found Jun 14 15:56:37 dev-master-01 systemd[1]: marathon.service: main process exited, code=exited, status=1/FAILURE Jun 14 15:56:37 dev-master-01 systemd[1]: Unit marathon.service entered failed state. Jun 14 15:56:37 dev-master-01 systemd[1]: marathon.service failed.
如提示:java.lang.IllegalStateException: Multiple election participants have the same ID: master1:8080. This is not allowed.
则可能是多次执行了设置ip或者hostname,需要检查第三步的配置是否正确
12月 25 12:28:08 master1 marathon[8724]: java.lang.IllegalStateException: Multiple election participants have the same ID: master1:8080. This is not allowed. 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.core.election.CuratorElectionStream$CuratorEventEmitter.emitLeader(CuratorElectionStream.scala:157) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.core.election.CuratorElectionStream$CuratorEventEmitter.$anonfun$longPollLeaderChange$1(CuratorElectionStream.scala:117) 12月 25 12:28:08 master1 marathon[8724]: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 12月 25 12:28:08 master1 marathon[8724]: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 12月 25 12:28:08 master1 marathon[8724]: at java.lang.Thread.run(Thread.java:748) 12月 25 12:28:08 master1 marathon[8724]: [2018-12-25 12:28:08,788] INFO Closing leader latch (mesosphere.marathon.core.election.CuratorElectionStream$:pool-1-thread-1) 12月 25 12:28:08 master1 marathon[8724]: [2018-12-25 12:28:08,812] INFO Shutting down services (mesosphere.marathon.MarathonApp:shutdownHook3) 12月 25 12:28:08 master1 marathon[8724]: [2018-12-25 12:28:08,819] INFO Shutdown triggered (mesosphere.marathon.MarathonSchedulerService:shutdownHook3) 12月 25 12:28:08 master1 marathon[8724]: [2018-12-25 12:28:08,819] ERROR abdicateLeadership was called (mesosphere.marathon.core.election.ElectionServiceImpl:shutdownHook3) 12月 25 12:28:08 master1 marathon[8724]: mesosphere.marathon.Exception: abdicateLeadership 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.core.election.ElectionServiceImpl.abdicateLeadership(ElectionService.scala:151) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonSchedulerService.triggerShutdown(MarathonSchedulerService.scala:169) 12月 25 12:28:08 master1 marathon[8724]: at com.google.common.util.concurrent.AbstractExecutionThreadService$1.doStop(AbstractExecutionThreadService.java:95) 12月 25 12:28:08 master1 marathon[8724]: at com.google.common.util.concurrent.AbstractService.stopAsync(AbstractService.java:242) 12月 25 12:28:08 master1 marathon[8724]: at com.google.common.util.concurrent.AbstractExecutionThreadService.stopAsync(AbstractExecutionThreadService.java:214) 12月 25 12:28:08 master1 marathon[8724]: at com.google.common.util.concurrent.ServiceManager.stopAsync(ServiceManager.java:331) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonApp.$anonfun$shutdown$1(Main.scala:103) 12月 25 12:28:08 master1 marathon[8724]: at scala.Option.foreach(Option.scala:257) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonApp.shutdown(Main.scala:103) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonApp.$anonfun$shutdownAndWait$1(Main.scala:108) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonApp.$anonfun$shutdownAndWait$1$adapted(Main.scala:107) 12月 25 12:28:08 master1 marathon[8724]: at scala.Option.foreach(Option.scala:257) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonApp.shutdownAndWait(Main.scala:107) 12月 25 12:28:08 master1 marathon[8724]: at mesosphere.marathon.MarathonApp.$anonfun$start$1(Main.scala:80) 12月 25 12:28:08 master1 marathon[8724]: at scala.sys.ShutdownHookThread$$anon$1.run(ShutdownHookThread.scala:34) 12月 25 12:28:08 master1 marathon[8724]: [2018-12-25 12:28:08,822] INFO backgroundOperationsLoop exiting (org.apache.curator.framework.imps.CuratorFrameworkImpl:Curator-Framework-0) 12月 25 12:28:10 master1 systemd[1]: marathon.service: main process exited, code=exited, status=137/n/a 12月 25 12:28:10 master1 systemd[1]: Unit marathon.service entered failed state. 12月 25 12:28:10 master1 systemd[1]: marathon.service failed.
Slave节点
| 节点名称 | IP地址 |
| slave1 | 192.168.161.200 |
| slave2 | 192.168.161.201 |
| slave3 | 192.168.161.202 |
1)添加 mesos的yum源
sudo rpm -Uvh http://repos.mesosphere.io/el/7/noarch/RPMS/mesosphere-el-repo-7-1.noarch.rpm
2)安装mesos
yum -y install mesos
3)配置master信息
master信息需要和前面安装的master节点对应
vim /etc/mesos/zk
zk://192.168.161.128:2181/mesos
4）mesos-slave配置ip&hostname
以下需要按照情况各自配置
slave1:
echo "192.168.161.200" > /etc/mesos-slave/ip echo "192.168.161.200" > /etc/mesos-slave/hostname #修改hosts echo "192.168.161.200 slave1" >> /etc/hosts
slave2:
echo "192.168.161.201" > /etc/mesos-slave/ip echo "192.168.161.201" > /etc/mesos-slave/hostname #修改hosts echo "192.168.161.201 slave2" >> /etc/hosts
slave3:
echo "192.168.161.202" > /etc/mesos-slave/ip echo "192.168.161.202" > /etc/mesos-slave/hostname #修改hosts echo "192.168.161.202 slave3" >> /etc/hosts
5)启动mesos-slave
systemctl start mesos-slave && systemctl enable mesos-slave && systemctl disable mesos-master
6)错误排查
如遇到slave连接不上master的情况,如果没有对mesos的日志存放目录进行特殊修改
请在 /var/log/mesos/ 下查看日志
日志信息如下: [root@slave2 ~]# cd /var/log/mesos/ [root@slave2 mesos]# ls mesos-slave.ERROR mesos-slave.slave2.invalid-user.log.INFO.20181225-141244.8972 mesos-slave.slave2.invalid-user.log.INFO.20181225-181648.8959 mesos-slave.slave2.invalid-user.log.WARNING.20181225-180358.8998 mesos-slave.INFO mesos-slave.slave2.invalid-user.log.INFO.20181225-141514.8965 mesos-slave.slave2.invalid-user.log.WARNING.20181225-115141.9449 mesos-slave.slave2.invalid-user.log.WARNING.20181225-180823.8952 mesos-slave.slave2.invalid-user.log.ERROR.20181225-145851.8960 mesos-slave.slave2.invalid-user.log.INFO.20181225-141841.8986 mesos-slave.slave2.invalid-user.log.WARNING.20181225-115709.8954 mesos-slave.slave2.invalid-user.log.WARNING.20181225-181649.8959 mesos-slave.slave2.invalid-user.log.ERROR.20181225-155517.8987 mesos-slave.slave2.invalid-user.log.INFO.20181225-145406.8960 mesos-slave.slave2.invalid-user.log.WARNING.20181225-141254.8972 mesos-slave.WARNING mesos-slave.slave2.invalid-user.log.ERROR.20181225-180825.8952 mesos-slave.slave2.invalid-user.log.INFO.20181225-155333.8987 mesos-slave.slave2.invalid-user.log.WARNING.20181225-141852.8986 mesos-slave.slave2.invalid-user.log.INFO.20181225-115131.9449 mesos-slave.slave2.invalid-user.log.INFO.20181225-180357.8998 mesos-slave.slave2.invalid-user.log.WARNING.20181225-145851.8960 mesos-slave.slave2.invalid-user.log.INFO.20181225-115659.8954 mesos-slave.slave2.invalid-user.log.INFO.20181225-180823.8952 mesos-slave.slave2.invalid-user.log.WARNING.20181225-155334.8987 [root@slave2 mesos]#
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