当需要给容器分配指定 ip ，为避免ip 冲突，指定容器子网处理
- 创建
subnet子网
docker network create --subnet 10.0.0.0/24 --gateway 10.0.0.1 subnet-test
docker network ls
NETWORK ID NAME DRIVER SCOPE
...
f582ecf297bc subnet-test bridge local
- 给
busybox容器指定子网
docker run -d --name busybox --net=subnet-test -it busybox:latest sleep infinite
docker network inspect subnet-test
[
{
"Name": "subnet-test",
"Id": "f582ecf297bc589ef16e598c0fc2f0c5e69853d6741e63ccb2f49668aafb26c8",
"Created": "2024-03-09T15:35:39.639503096+08:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": {},
"Config": [
{
"Subnet": "10.0.0.0/24",
"Gateway": "10.0.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"42d36208b6f4f8d6dce04b8686407ec1162cf0f678a42db9b29ffe325993a7d8": {
"Name": "busybox",
"EndpointID": "df945142982aa559fc9094d22fdcdf4a6fb04c141db61070cdda202d90615ce0",
"MacAddress": "02:42:0a:00:00:02",
"IPv4Address": "10.0.0.2/24",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {}
}
]
- 给容器指定 ip
docker run -d --name busybox-01 --net subnet-test --ip 10.0.0.5 -it busybox:latest sleep infinite
- 断开容器网络
docker network disconnect subnet-test busybox-01
- 恢复容器网络
docker network connect subnet-test busybox-01
注意：busybox-01 ip 变为了：10.0.0.3
- 恢复容器网络并指定 ip
docker network connect --ip 10.0.0.5 subnet-test busybox-01
- 获取容器 ip
docker inspect --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' busybox-01
10.0.0.5
