Inspeccionando redes

  • Ver redes disponibles a usar

# usar comando network para info de ayuda
docker network
# salida
Usage:  docker network COMMAND

Manage networks

Commands:
  connect     Connect a container to a network
  create      Create a network
  disconnect  Disconnect a container from a network
  inspect     Display detailed information on one or more networks
  ls          List networks
  prune       Remove all unused networks
  rm          Remove one or more networks

# listar redes disponibles
docker network ls
#salida
NETWORK ID          NAME                      DRIVER              SCOPE
e8a56097f041        bridge                    bridge              local
2c325b6f3a3c        go-react-todo_default     bridge              local
57891919696c        host                      host                local
c0b942849c43        miniapi-node-rn_default   bridge              local
a35faff8cdf8        none                      null                local

# inspeccionar tipo de red
docker network inspect bridge
#salida
[
    {
        "Name": "bridge",
        "Id": "e8a56097f041f0fe69320f9d119be8a17c3aad81e8c2d20f4df35783e081b5d9",
        "Created": "2020-03-08T20:14:08.096383017-06:00",
        "Scope": "local",
        "Driver": "bridge",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": null,
            "Config": [
                {
                    "Subnet": "172.17.0.0/16",
                    "Gateway": "172.17.0.1"
                }
            ]
        },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
        },
        "ConfigOnly": false,
        "Containers": {},
        "Options": {
            "com.docker.network.bridge.default_bridge": "true",
            "com.docker.network.bridge.enable_icc": "true",
            "com.docker.network.bridge.enable_ip_masquerade": "true",
            "com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
            "com.docker.network.bridge.name": "docker0",
            "com.docker.network.driver.mtu": "1500"
        },
        "Labels": {}
    }
]
# parte de interes props "IPAM"

# probar agregando un contenedor por defecto 
# (docker container run -dit --network bridge ubuntu)
docker container run -dit ubuntu
2bba6a2c370dcfa7be6c8e7a2ad37238b40b66eef5ae556dc84d999f72e33df9
# inspeccionar red nuevamente
docker network inspect bridge
#salida en ejecucion nuevo contenedor
[
    {
        "Name": "bridge",
        "Id": "e8a56097f041f0fe69320f9d119be8a17c3aad81e8c2d20f4df35783e081b5d9",
        "Created": "2020-03-08T20:14:08.096383017-06:00",
        "Scope": "local",
        "Driver": "bridge",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": null,
            "Config": [
                {
                    "Subnet": "172.17.0.0/16",
                    "Gateway": "172.17.0.1"
                }
            ]
        },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
        },
        "ConfigOnly": false,
        "Containers": { #new info
            "2bba6a2c370dcfa7be6c8e7a2ad37238b40b66eef5ae556dc84d999f72e33df9": {
                "Name": "trusting_brahmagupta",
                "EndpointID": "f5b7efc97266d5a8da175117cdffbba8466b8166d5a0db60ce2080a77c2787b1",
                "MacAddress": "02:42:ac:11:00:02",
                "IPv4Address": "172.17.0.2/16",
                "IPv6Address": ""
            }
        },
        "Options": {
            "com.docker.network.bridge.default_bridge": "true",
            "com.docker.network.bridge.enable_icc": "true",
            "com.docker.network.bridge.enable_ip_masquerade": "true",
            "com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
            "com.docker.network.bridge.name": "docker0",
            "com.docker.network.driver.mtu": "1500"
        },
        "Labels": {}
    }
]

# otra forma
docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS
2bba6a2c370d        ubuntu              "/bin/bash"         3 minutes ago       Up 3 minutes

docker container inspect 2bba6a2c370d
# salida
[
    {
        "Id": "2bba6a2c370dcfa7be6c8e7a2ad37238b40b66eef5ae556dc84d999f72e33df9",
        "Created": "2020-03-09T18:52:28.237349195Z",
        "Path": "/bin/bash",
        "Args": [],
        "State": {
            ...
        },
        ...
        "HostConfig": {
            ...
        },
        "GraphDriver": {
            ...
        },
        "Mounts": [],
        "Config": {
            ...
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "9065ed75f1b874b3db78e09cc92ca9dd1a2e3f908f432ef0640cf9474117125f",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {},
            "SandboxKey": "/var/run/docker/netns/9065ed75f1b8",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "f5b7efc97266d5a8da175117cdffbba8466b8166d5a0db60ce2080a77c2787b1",
            "Gateway": "172.17.0.1",
            "GlobalIPv6Address": "",
            "GlobalIPv6PrefixLen": 0,
            "IPAddress": "172.17.0.2",
            "IPPrefixLen": 16,
            "IPv6Gateway": "",
            "MacAddress": "02:42:ac:11:00:02",
            "Networks": {
                "bridge": { # interest info
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "e8a56097f041f0fe69320f9d119be8a17c3aad81e8c2d20f4df35783e081b5d9",
                    "EndpointID": "f5b7efc97266d5a8da175117cdffbba8466b8166d5a0db60ce2080a77c2787b1",
                    "Gateway": "172.17.0.1",
                    "IPAddress": "172.17.0.2",
                    "IPPrefixLen": 16,
                    "IPv6Gateway": "",
                    "GlobalIPv6Address": "",
                    "GlobalIPv6PrefixLen": 0,
                    "MacAddress": "02:42:ac:11:00:02",
                    "DriverOpts": null
                }
            }
        }
    }
]

  • Desconectar o conectar contenedor de alguna red

  • Agregar contenedor a otro tipo de red

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