Docker overlay网络互通
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1
yum
install
docker-ce -y
yum
install
python-pip -y
pip
install
docker-compose
systemctl
enable
docker.service
systemctl start docker.service
docker pull progrium
/consul
环境:
192.168.56.11
192.168.56.12
192.168.56.13
目的实现192.168.56.11 自建网络互通
192.168.56.13
docker run -d -p 8500:8500 --name consul progrium
/consul
-server -bootstrap
192.168.56.11
/usr/lib/systemd/system/docker
.service
ExecStart=
/usr/bin/dockerd
-H tcp:
//192
.168.56.11 -H unix:
//var/run/docker
.sock
[root@linux-node1 ~]
# cat /etc/docker/daemon.json
{
"registry-mirrors"
: [
"http://224ac393.m.daocloud.io"
],
"cluster-store"
:
"consul://192.168.56.13:8500"
,
"cluster-advertise"
:
"192.168.56.11:2375"
}
[root@linux-node1 ~]
#
systemctl daemon-reload
systemctl restart docker
192.168.56.12
/usr/lib/systemd/system/docker
.service
ExecStart=
/usr/bin/dockerd
-H tcp:
//192
.168.56.12 -H unix:
//var/run/docker
.sock
[root@linux-node1 ~]
# cat /etc/docker/daemon.json
{
"registry-mirrors"
: [
"http://224ac393.m.daocloud.io"
],
"cluster-store"
:
"consul://192.168.56.13:8500"
,
"cluster-advertise"
:
"192.168.56.12:2375"
}
[root@linux-node2 ~]
#
systemctl daemon-reload
systemctl restart docker
浏览器浏览
测试
192.168.56.11 上面
docker network create -d overlay --subnet 192.168.1.0
/24
ov_net1
#192.168.56.12 上面默认就有了 不用创建了
[root@linux-node1 ~]
# docker network ls
NETWORK ID NAME DRIVER SCOPE
587ebbdc8cf6 bridge bridge
local
42863825595a docker_gwbridge bridge
local
df6484f00517 host host
local
adf74519830e none null
local
e8d259aa8fe3 ov_net1 overlay global
[root@linux-node1 ~]
#
[root@linux-node2 ~]
# docker network ls
NETWORK ID NAME DRIVER SCOPE
624c4d1628bd bridge bridge
local
4f7d45ab8d94 docker_gwbridge bridge
local
df6484f00517 host host
local
adf74519830e none null
local
e8d259aa8fe3 ov_net1 overlay global
[root@linux-node2 ~]
#
192.168.56.11测试
docker run -it --
rm
--net=ov_net1 busybox
192.168.56.12测试
docker run -it --
rm
--net=ov_net1 busybox
查看两个容器的IP地址互相
ping
下 可以
ping
通
docker run -it --
rm
--net=ov_net1 --ip=192.168.1.10 busybox
#指定IP地址
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本文转自 小小三郎1 51CTO博客，原文链接：http://blog.51cto.com/wsxxsl/2063260，如需转载请自行联系原作者
