方法
docker network inspect [ネットワーク名] -f '{{range .IPAM.Config}}{{.Subnet}}{{end}}'
例
$ docker network inspect afilms_default -f '{{range .IPAM.Config}}{{.Subnet}}{{end}}'
192.168.80.0/20
ネットワーク名を調べる方法
$ docker network ls NETWORK ID NAME DRIVER SCOPE 8dd19b5b834f afilms_default bridge local 7e3ed89b9261 host host local b37e0264e6ff none null local
docker network inspect
docker network inspect [ネットワーク名] でいろいろな情報をみることができる
json形式で出力される
$ docker network inspect afilms_default
[
{
"Name": "afilms_default",
"Id": "8dd19b5b834fbd9fe9617064aae427bf0ee1e2ca9fda82018c7256306eb0e738",
"Created": "2018-05-04T06:33:59.6783397Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "192.168.80.0/20",
"Gateway": "192.168.80.1"
}
]
},
"Internal": false,
"Attachable": true,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"07cffd072b8f66868568e5f5656b5a976b28cfeea7111206f2e405aba74d005b": {
"Name": "afilms_app_1",
"EndpointID": "51c4e38588fa7148f46a985c1e8b28192b758a6c901f56399afc5607dd3f4a16",
"MacAddress": "02:42:c0:a8:50:05",
"IPv4Address": "192.168.80.5/20",
"IPv6Address": ""
},
"093e3bf733e30f5636e4726384e72081bc25854abfb093d6dc1c88991a3347c2": {
"Name": "afilms_webpacker_1",
"EndpointID": "4b6e62b3217d67b6a2591922ddefc935e2219b742a283b585e6bc2785d2e0ac0",
"MacAddress": "02:42:c0:a8:50:02",
"IPv4Address": "192.168.80.2/20",
"IPv6Address": ""
},
"7f3c95cd015a63fe6ca0cc0f5a81fbc8146c5097a6240a097189beea3f60ca2f": {
"Name": "afilms_job_1",
"EndpointID": "c1782aae5e921fab976fcd07043e41be34fb170cbddec29b11dfb6b6dc77fbef",
"MacAddress": "02:42:c0:a8:50:06",
"IPv4Address": "192.168.80.6/20",
"IPv6Address": ""
},
"d26464fada8e638de59e41bd7267e0a1b158c50721c2dd30c5b0358999359fcd": {
"Name": "afilms_redis_1",
"EndpointID": "d84772758772e0e3e380cd3f22c17b0149fb2eb8cdb5cb4bec8d37e2ba94b611",
"MacAddress": "02:42:c0:a8:50:04",
"IPv4Address": "192.168.80.4/20",
"IPv6Address": ""
},
"da052580d9592738586858e620db089fd23e7e8577546450bf259350d134f48f": {
"Name": "afilms_db_1",
"EndpointID": "78bf286b1701834d36cf262fecf3e54cdec8b1e3e58bc82acdc771699ad7a20d",
"MacAddress": "02:42:c0:a8:50:03",
"IPv4Address": "192.168.80.3/20",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {
"com.docker.compose.network": "default",
"com.docker.compose.project": "afilms"
}
}
]
-f オプション
-f オプションをつけることによって出力フォーマットを指定することができる
$ docker network inspect afilms_default -f '{{.Name}}'
afilms_default
以上
