容器网络管理

查看容器网络

docker network ls [选项]

选项有:

• -f ,--filter filter

过滤条件

• --format string

格式化打印结果

• --no-trunc

不缩略显示

• -q,--quiet

只显示网络对象id号

[root@docker ~]# docker network ls
NETWORK ID     NAME      DRIVER    SCOPE
226f69535fb5   bridge    bridge    local
bf4d7d7885df   host      host      local
2581b9b26638   none      null      local
#添加条件,选出host网络
[root@docker ~]# docker network ls -f 'driver=host'
NETWORK ID     NAME      DRIVER    SCOPE
bf4d7d7885df   host      host      local
#不缩略显示
[root@docker ~]# docker network ls --no-trunc 
NETWORK ID                                                         NAME      DRIVER    SCOPE
226f69535fb572774d88d7d96c58d3ee80738dd1f4db47b13575870812fa7765   bridge    bridge    local
bf4d7d7885df532e2240356102a63393fb2b0d75902dca6c09aae6a8f702a9e4   host      host      local
2581b9b26638871acb1218d52b5a6f0955abb5c8300784ec5427ea285137b2b2   none      null      local
#查看网络id
[root@docker ~]# docker network ls -q
226f69535fb5
bf4d7d7885df
2581b9b26638

创建容器网络

docker network create [选项] network

选项:

• -d,--driver string

指定网络模式(默认bridge)

• --subnet strings

指定子网网段

• --ip-range strings

指定容器ip地址范围,格式同subnet参数

• --gateway strings

子网ipv4或v6网关

[root@docker ~]# docker network create -d bridge test-bridge
f97a19be7e41b55624c52c5032413b8dc436ecb44283ed2cdaaa8fc4ec0f7112
#查看网络
[root@docker ~]# docker network ls
NETWORK ID     NAME          DRIVER    SCOPE
226f69535fb5   bridge        bridge    local
bf4d7d7885df   host          host      local
2581b9b26638   none          null      local
f97a19be7e41   test-bridge   bridge    local

删除容器

docker network rm 网络id

#查看网络
[root@docker ~]# docker network ls
NETWORK ID     NAME          DRIVER    SCOPE
226f69535fb5   bridge        bridge    local
bf4d7d7885df   host          host      local
2581b9b26638   none          null      local
f97a19be7e41   test-bridge   bridge    local
[root@docker ~]# docker network rm f97a19be7
f97a19be7

容器网络详细信息

docker network inspect [选项]

• -f,--format string

使用给定的模板格式输出

[root@docker ~]# docker network inspect none
[
    {
        "Name": "none",
        "Id": "2581b9b26638871acb1218d52b5a6f0955abb5c8300784ec5427ea285137b2b2",
        "Created": "2024-02-27T18:40:43.571987303+08:00",
        "Scope": "local",
        "Driver": "null",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": null,
            "Config": null
        },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
        },
        "ConfigOnly": false,
        "Containers": {},
        "Options": {},
        "Labels": {}
    }
]

配置容器网络

在运行容器命令中添加指定的网络参数

docker run/create --network NETWORK

例如指定host网络

docker run \
-v ~/Centos-8.repo:/root/Centos-8.repo \
--network=host \
-it centos /bin/bash 

容器网络连接与断开

docker network connect [选项] network container
docker network disconnect [选项] network container