实验环境:
主机名 | ip地址 | 运行服务 | 安装组件 |
docker-master1 | 192.168.20.210 | zookeepermesos-mastermarathon | mesos marathonmesosphere-zookeeperjdk1.8 |
docker-master2 | 192.168.20.211 | zookeepermesos-mastermarathon | mesos marathonmesosphere-zookeeperjdk1.8 |
docker-master3 | 192.168.20.212 | zookeepermesos-mastermarathon | mesos marathonmesosphere-zookeeperjdk1.8 |
docker-slave1 | 192.168.20.213 | mesos-slave | mesos docker-engine |
docker-slave2 | 192.168.20.214 | mesos-slave | mesos docker-engine |
一、 准备工作:
1.1 关闭Selinux# setenforce 0# sed -i '/^SELINUX=/c SELINUX=disabled'/etc/selinux/config
1.2 关闭防火墙
# systemctl stop firewalld# systemctl disable firewalld
1.3 配置主机名解析
[root@docker-master1 ~]# vi /etc/hosts192.168.20.210 docker-master1
192.168.20.211 docker-master2192.168.20.212 docker-master3192.168.20.213 docker-slave1192.168.20.214 docker-slave21.4更新mesos、marathon源
rpm -ivh http://repos.mesosphere.com/el/7/noarch/RPMS/mesosphere-el-repo-7-1.noarch.rpm
二、 master节点配置
2.1 master节点安装JDK1.8
tar -zxvf /root/jdk-8u171-linux-x64.tar.gz -C /usr/local
cat >> /etc/profile << EOFexport JAVA_HOME=/usr/local/jdk1.8.0_171export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jarexport PATH=$JAVA_HOME/bin:$PATHEOF
source /etc/profile
2.2 master 安装zookeeper(这里只以192.168.20.210为例)
2.2.1 解压zookeeper
tar zxf /root/zookeeper-3.4.8.tar.gz /usr/local
2.2.2创建zookeeper的日志目录和数据目录
mkdir /usr/local/zookeeper-3.4.8/{logs,data}
2.2.3修改zookeeper配置文件
touch /usr/local/zookeeper-3.4.8/conf/zoo.cfg
cat /usr/local/zookeeper-3.4.8/conf/zoo.cfgtickTime=2000dataDir=/usr/local/zookeeper-3.4.8/datadataLogDir=/usr/local/zookeeper-3.4.8/logsclientPort=2181initLimit=5syncLimit=2server.1=192.168.20.210:2888:3888server.2=192.168.20.211:2888:3888server.3=192.168.20.212:2888:3888
1、2、3表示对应服务器上的myid,2888端口表示和leader通讯端口,3888端口表示选举端口
touch /usr/local/zookeeper-3.4.8/data/myid (每台主机上的myid是有zoo.cfg文件里的server后面的数字决定)
cat /usr/local/zookeeper-3.4.8/data/myid1
cat >> /etc/profile << EOFexport PATH=$PATH:/usr/local/zookeeper-3.4.8/binEOF
source /etc/profile
2.2.4启动zookeeper
zkServer.sh start
2.2.5 查看zookeeper状态
[root@docker-master1 zookeeper]# zkServer.sh statusZooKeeper JMX enabled by defaultUsing config: /usr/local/zookeeper/bin/../conf/zoo.cfgMode: follower
2.3 master节点安装mesos(这里只以192.168.20.210为例)
2.3.1安装mesos程序
yum install mesos -y
2.3.2配置mesos
vi /etc/mesos/zkzk://192.168.20.210:2181,192.168.20.211:2181,192.168.20.212:2181/mesos
[root@docker-master1 ~]# cd /etc/mesos-master[root@docker-master1 mesos-master]# cat cluster mesoscluster[root@docker-master1 mesos-master]# cat hostname 192.168.20.210[root@docker-master1 mesos-master]# cat ip 192.168.20.210[root@docker-master1 mesos-master]# cat quorum 2[root@docker-master1 mesos-master]# cat work_dir /var/lib/mesos
quorum表示zookeeper集群中 要求最少参加选举节点的数目,一般设置为zookeeper集群节点个数的一半多些(比如3个节点的话,可配置为2)
2.3.2 启动mesos服务
systemctl start mesos-master
默认端口5050,访问地址:http://192.168.20.210:5050
2.4 master节点安装marathon(这里只以192.168.20.210为例)
2.4.1 安装marathon程序
yum install -y marathon
2.4.1创建marathon配置文件目录(1.5版本之前)
mkdir -p /etc/marathon/conf
[root@docker-master1 conf]# lshostname master zk[root@docker-master1 conf]# cat hostname 192.168.20.210[root@docker-master1 conf]# cat master zk://192.168.20.210:2181,192.168.20.211:2181,192.168.20.212:2181/mesos[root@docker-master1 conf]# cat zkzk://192.168.20.210:2181,192.168.20.211:2181,192.168.20.212:2181/marathon
1.5版本之后在/etc/default/marathon文件最下面增加如下两行
MARATHON_MASTER=zk://docker-master1:2181,docker-master2:2181,docker-master3:2181/mesosMARATHON_ZK=zk://docker-master1:2181,docker-master2:2181,docker-master3:2181/marathon
2.4.2 启动marathon
systemctl start marathon
如果启动不了,查看/var/log/message,如有以下错误,
No start hook file found ($HOOK_MARATHON_START). Proceeding with the start script.
则可以在命令行直接启动marathon
nohup marathon --master zk://192.168.20.210:2181,192.168.20.211:2181,192.168.20.212:2181/mesos --zk zk://192.168.20.210:2181,192.168.20.211:2181,192.168.20.212:2181/marathon &
默认8080端口,访问地址:http://192.168.20.210:8080/ui/#/apps
三、slave节点配置
3.1 slave安装docker(这里只以192.168.20.213为例)
yum install docker
3.1.1 启动docker并且设置为开机自启动
systemctl enable docker.servicesystemctl start docker.service
3.2 slave安装mesos(这里只以192.168.20.213为例)
3.2.1 安装mesos程序
yum install mesos -y
3.2.2配置mesos-slave
[root@docker-slave1 mesos-slave]# cd /etc/mesos-slave/[root@docker-slave1 mesos-slave]# lsattributes containerizers executor_registration_timeout hostname ip work_dir[root@docker-slave1 mesos-slave]# cat attributes rack_id:rack-1[root@docker-slave1 mesos-slave]# cat containerizers docker,mesos[root@docker-slave1 mesos-slave]# cat executor_registration_timeout 15mins[root@docker-slave1 mesos-slave]# cat hostname 192.168.20.213[root@docker-slave1 mesos-slave]# cat ip192.168.20.213[root@docker-slave1 mesos-slave]# cat work_dir /var/lib/mesos
3.2.3启动mesos-slave
systemctl start mesos-slave
mesos-slave默认端口为5051
完成以上操作即完成了Mesos的DCOS集群搭建,下一章我们介绍《》。