イメージやコンテナの詳細情報がみたい時
vagrant@Ubuntu1504:~/Docker$ docker inspect イメージID or コンテナID
実際に作ったコンテナ(echoだけするコンテナ)の情報を見てみる
vagrant@Ubuntu1504:~$ docker inspect コンテナID
[
{
"Id": "63ba088f6f41bb5537d46e2a7f7bc1e05c64edf34d489ae21c4d7eb7b0038302",
"Created": "2015-09-10T14:45:47.200470566Z",
"Path": "echo",
"Args": [
"now running..."
],
"State": {
"Running": false,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 0,
"ExitCode": 0,
"Error": "",
"StartedAt": "2015-09-10T14:45:47.315566079Z",
"FinishedAt": "2015-09-10T14:45:47.328252943Z"
},
"Image": "da5d3a3c121ec8cf01afee83fbd83a79c28626cecc5d20c2332447bb2ec1ed0c",
"NetworkSettings": {
"Bridge": "",
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"HairpinMode": false,
"IPAddress": "###IPアドレスが記載される###",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"MacAddress": "",
"NetworkID": "",
"PortMapping": null,
"Ports": null,
"SandboxKey": "",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null
},
"ResolvConfPath": "/var/lib/docker/containers/63ba088f6f41bb5537d46e2a7f7bc1e05c64edf34d489ae21c4d7eb7b0038302/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/63ba088f6f41bb5537d46e2a7f7bc1e05c64edf34d489ae21c4d7eb7b0038302/hostname",
"HostsPath": "/var/lib/docker/containers/63ba088f6f41bb5537d46e2a7f7bc1e05c64edf34d489ae21c4d7eb7b0038302/hosts",
"LogPath": "/var/lib/docker/containers/63ba088f6f41bb5537d46e2a7f7bc1e05c64edf34d489ae21c4d7eb7b0038302/63ba088f6f41bb5537d46e2a7f7bc1e05c64edf34d489ae21c4d7eb7b0038302-json.log",
"Name": "/echo",
"RestartCount": 0,
"Driver": "aufs",
"ExecDriver": "native-0.2",
"MountLabel": "",
"ProcessLabel": "",
"Volumes": {},
"VolumesRW": {},
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Memory": 0,
"MemorySwap": 0,
"CpuShares": 0,
"CpuPeriod": 0,
"CpusetCpus": "",
"CpusetMems": "",
"CpuQuota": 0,
"BlkioWeight": 0,
"OomKillDisable": false,
"Privileged": false,
"PortBindings": {},
"Links": null,
"PublishAllPorts": false,
"Dns": null,
"DnsSearch": null,
"ExtraHosts": null,
"VolumesFrom": null,
"Devices": [],
"NetworkMode": "bridge",
"IpcMode": "",
"PidMode": "",
"UTSMode": "",
"CapAdd": null,
"CapDrop": null,
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"SecurityOpt": null,
"ReadonlyRootfs": false,
"Ulimits": null,
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"CgroupParent": ""
},
"Config": {
"Hostname": "63ba088f6f41",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"PortSpecs": null,
"ExposedPorts": null,
"Tty": false,
"OpenStdin": true,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": [
"echo",
"now running..."
],
"Image": "echo",
"Volumes": null,
"VolumeDriver": "",
"WorkingDir": "",
"Entrypoint": null,
"NetworkDisabled": false,
"MacAddress": "",
"OnBuild": null,
"Labels": {
"License": "GPLv2",
"Vendor": "CentOS"
}
}
}
]
IPアドレスだけを出したい時
docker inspect --format '{{ .NetworkSettings.IPAddress }}' イメージID or コンテナID
- コンテナのIDを使ってIPアドレスを表示(イメージでは☓)
vagrant@Ubuntu1504:~/Docker$ docker inspect --format '{{ .NetworkSettings.IPAddress }}' コンテナID
172.17.0.64
sshを使わずに稼働中のコンテナ内にアクセス方法
vagrant@Ubuntu1504:~/Docker$ docker exec -it コンテナID bash
おもったこと
- pullしてきたイメージの情報を確認する際にも使えそう
- Dockerは色々と可能性を感じる分、欲求される知識の守備範囲が広いと感じた。
- また気が向いたら触って行きたいと思う。