centos7搭建Docker Swarm 集群

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10.6.3.142  node1  Swarm
10.6.3.143  node2
10.6.3.144  node3
#Swarm
yum install docker
rpm -e lvm2-7:2.02.105-14.el7.x86_64 --nodeps
yum install docker -y
systemctl start docker
docker pull swarm
cp /etc/sysconfig/docker /etc/sysconfig/docker.bk
vi /etc/sysconfig/docker
OPTIONS='--selinux-enabled --log-driver=journald'
OPTIONS='-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock'
systemctl restart docker
ps -ef |grep docker
ss -lntup|grep 2375
systemctl restart docker   
docker run --rm swarm create
8fedf0001aaa250851d310610d126f4a
docker run -d swarm join --addr=10.6.3.142:2375 token://8fedf0001aaa250851d310610d126f4a
scp /etc/sysconfig/docker root@10.6.3.143:/etc/sysconfig/
scp /etc/sysconfig/docker root@10.6.3.144:/etc/sysconfig/
docker run -d -p 2376:2375 swarm manage token://8fedf0001aaa250851d310610d126f4a  #该红色端口可用任意空闲端口
docker run  --rm swarm list  token://8fedf0001aaa250851d310610d126f4a
docker -H tcp://10.6.3.142:2376 info
#node2
yum install docker
rpm -e lvm2-7:2.02.105-14.el7.x86_64 --nodeps
yum install docker -y
docker pull swarm
systemctl start docker
docker pull swarm
vi /etc/sysconfig/docker
OPTIONS='--selinux-enabled --log-driver=journald'
OPTIONS='-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock'
service docker restart
ss -lntup|grep 2375
docker run -d swarm join --addr=10.6.3.143:2375 token://8fedf0001aaa250851d310610d126f4a
#node3
yum install docker
rpm -e lvm2-7:2.02.105-14.el7.x86_64 --nodeps
yum install docker -y
docker pull swarm
systemctl start docker
docker pull swarm
vi /etc/sysconfig/docker
OPTIONS='--selinux-enabled --log-driver=journald'
OPTIONS='-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock'
systemctl restart docker   
ss -lntup|grep 2375
docker run -d swarm join --addr=10.6.3.144:2375 token://8fedf0001aaa250851d310610d126f4a
================
firewall-cmd --zone=public --permanent --add-port=2375/tcp
firewall-cmd --reload
================
[iyunv@node1 ~]# docker -H tcp://10.6.3.142:2376 info
Containers: 9
Running: 4
Paused: 0
Stopped: 5
Images: 5
Server Version: swarm/1.2.5
Role: primary
Strategy: spread
Filters: health, port, containerslots, dependency, affinity, constraint
Nodes: 3
node1: 10.6.3.142:2375
   ID: KUJM:JPIB:6KYA:ZDKL:XBPZ:JECY:JOH7:JS2C:2YXP:SK5K:KVMQ:3ZPL
   Status: Healthy
   Containers: 4 (2 Running, 0 Paused, 2 Stopped)
   Reserved CPUs: 0 / 1
   Reserved Memory: 0 B / 1.005 GiB
   Labels: executiondriver=native-0.2, kernelversion=3.10.0-123.el7.x86_64, operatingsystem=CentOS Linux 7 (Core), storagedriver=devicemapper
   UpdatedAt: 2016-08-26T09:19:06Z
   ServerVersion: 1.10.3
node2: 10.6.3.143:2375
   ID: XBGE:KTF6:AFXG:6ZRP:MS25:J4WR:ICS5:WTWQ:VUWV:5CLK:TZZ5:YDKN
   Status: Healthy
   Containers: 1 (1 Running, 0 Paused, 0 Stopped)
   Reserved CPUs: 0 / 1
   Reserved Memory: 0 B / 1.005 GiB
   Labels: executiondriver=native-0.2, kernelversion=3.10.0-123.el7.x86_64, operatingsystem=CentOS Linux 7 (Core), storagedriver=devicemapper
   UpdatedAt: 2016-08-26T09:19:31Z
   ServerVersion: 1.10.3
node3: 10.6.3.144:2375
   ID: EOCY:EDVQ:2MRP:IVKV:MTRH:4B3K:2EPF:CVFD:HNE2:YWTQ:A2ON:P2FI
   Status: Healthy
   Containers: 4 (1 Running, 0 Paused, 3 Stopped)
   Reserved CPUs: 0 / 1
   Reserved Memory: 0 B / 1.005 GiB
   Labels: executiondriver=native-0.2, kernelversion=3.10.0-123.el7.x86_64, operatingsystem=CentOS Linux 7 (Core), storagedriver=devicemapper
   UpdatedAt: 2016-08-26T09:19:55Z
   ServerVersion: 1.10.3
Plugins:
Volume:
Network:
Kernel Version: 3.10.0-123.el7.x86_64
Operating System: linux
Architecture: amd64
Number of Docker Hooks: 2
CPUs: 3
Total Memory: 3.014 GiB
Name: 2ad8a91ba615
docker -H tcp://10.6.3.142:2376 run -d --name node3 centos
docker -H tcp://10.6.3.142:2376 ps -a
docker -H tcp://10.6.3.142:2376 images
docker -H tcp://10.6.3.142:2376 pull mysql

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