Запрос к сокету Docker с помощью curl.
Отображение версии Docker.
$ curl --silent -XGET --unix-socket /run/docker.sock http://localhost/version | jq .
{
"Platform": {
"Name": "Docker Engine - Community"
},
"Components": [
{
"Name": "Engine",
"Version": "20.10.7",
"Details": {
"ApiVersion": "1.41",
"Arch": "amd64",
"BuildTime": "2021-06-02T11:55:12.000000000+00:00",
"Experimental": "false",
"GitCommit": "b0f5bc3",
"GoVersion": "go1.13.15",
"KernelVersion": "5.10.0-7-amd64",
"MinAPIVersion": "1.12",
"Os": "linux"
}
},
{
"Name": "containerd",
"Version": "1.4.6",
"Details": {
"GitCommit": "d71fcd7d8303cbf684402823e425e9dd2e99285d"
}
},
{
"Name": "runc",
"Version": "1.0.0-rc95",
"Details": {
"GitCommit": "b9ee9c6314599f1b4a7f497e1f1f856fe433d3b7"
}
},
{
"Name": "docker-init",
"Version": "0.19.0",
"Details": {
"GitCommit": "de40ad0"
}
}
],
"Version": "20.10.7",
"ApiVersion": "1.41",
"MinAPIVersion": "1.12",
"GitCommit": "b0f5bc3",
"GoVersion": "go1.13.15",
"Os": "linux",
"Arch": "amd64",
"KernelVersion": "5.10.0-7-amd64",
"BuildTime": "2021-06-02T11:55:12.000000000+00:00"
}
Отображение сведений о Docker.
$ curl --silent -XGET --unix-socket /run/docker.sock http://localhost/info | jq .
{
"ID": "CPMB:VYBU:UIFT:KG3E:O74F:KY5G:TRJY:R6WH:YMT2:FU6M:RHKU:MZQS",
"Containers": 8,
"ContainersRunning": 0,
"ContainersPaused": 0,
"ContainersStopped": 8,
"Images": 2,
"Driver": "overlay2",
"DriverStatus": [
[
"Backing Filesystem",
"extfs"
],
[
"Supports d_type",
"true"
],
[
"Native Overlay Diff",
"true"
],
[
"userxattr",
"false"
]
],
"Plugins": {
"Volume": [
"local"
],
"Network": [
"bridge",
"host",
"ipvlan",
"macvlan",
"null",
"overlay"
],
"Authorization": null,
"Log": [
"awslogs",
"fluentd",
"gcplogs",
"gelf",
"journald",
"json-file",
"local",
"logentries",
"splunk",
"syslog"
]
},
"MemoryLimit": true,
"SwapLimit": true,
"KernelMemory": false,
"KernelMemoryTCP": false,
"CpuCfsPeriod": true,
"CpuCfsQuota": true,
"CPUShares": true,
"CPUSet": true,
"PidsLimit": true,
"IPv4Forwarding": true,
"BridgeNfIptables": true,
"BridgeNfIp6tables": true,
"Debug": false,
"NFd": 22,
"OomKillDisable": false,
"NGoroutines": 34,
"SystemTime": "2021-07-11T21:35:42.722660756Z",
"LoggingDriver": "json-file",
"CgroupDriver": "systemd",
"CgroupVersion": "2",
"NEventsListener": 0,
"KernelVersion": "5.10.0-7-amd64",
"OperatingSystem": "Debian GNU/Linux 11 (bullseye)",
"OSVersion": "11",
"OSType": "linux",
"Architecture": "x86_64",
"IndexServerAddress": "https://index.docker.io/v1/",
"RegistryConfig": {
"AllowNondistributableArtifactsCIDRs": [],
"AllowNondistributableArtifactsHostnames": [],
"InsecureRegistryCIDRs": [
"127.0.0.0/8"
],
"IndexConfigs": {
"docker.io": {
"Name": "docker.io",
"Mirrors": [],
"Secure": true,
"Official": true
}
},
"Mirrors": []
},
"NCPU": 32,
"MemTotal": 1015853056,
"GenericResources": null,
"DockerRootDir": "/var/lib/docker",
"HttpProxy": "",
"HttpsProxy": "",
"NoProxy": "",
"Name": "bullseye",
"Labels": [],
"ExperimentalBuild": false,
"ServerVersion": "20.10.7",
"Runtimes": {
"io.containerd.runc.v2": {
"path": "runc"
},
"io.containerd.runtime.v1.linux": {
"path": "runc"
},
"runc": {
"path": "runc"
}
},
"DefaultRuntime": "runc",
"Swarm": {
"NodeID": "",
"NodeAddr": "",
"LocalNodeState": "inactive",
"ControlAvailable": false,
"Error": "",
"RemoteManagers": null
},
"LiveRestoreEnabled": false,
"Isolation": "",
"InitBinary": "docker-init",
"ContainerdCommit": {
"ID": "d71fcd7d8303cbf684402823e425e9dd2e99285d",
"Expected": "d71fcd7d8303cbf684402823e425e9dd2e99285d"
},
"RuncCommit": {
"ID": "b9ee9c6314599f1b4a7f497e1f1f856fe433d3b7",
"Expected": "b9ee9c6314599f1b4a7f497e1f1f856fe433d3b7"
},
"InitCommit": {
"ID": "de40ad0",
"Expected": "de40ad0"
},
"SecurityOptions": [
"name=apparmor",
"name=seccomp,profile=default",
"name=cgroupns"
],
"Warnings": null
}
Следите за текущими событиями:
$ curl --silent -XGET --unix-socket /run/docker.sock http://localhost/events
{"status":"create","id":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","from":"hello-world","Type":"container","Action":"create","Actor":{"ID":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","Attributes":{"image":"hello-world","name":"sleepy_bose"}},"scope":"local","time":1626039182,"timeNano":1626039182461367134}
{"status":"attach","id":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","from":"hello-world","Type":"container","Action":"attach","Actor":{"ID":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","Attributes":{"image":"hello-world","name":"sleepy_bose"}},"scope":"local","time":1626039182,"timeNano":1626039182469106567}
{"Type":"network","Action":"connect","Actor":{"ID":"080e4494dc690e9649bd891f224e8bc42e915633a4f55dbdd90a741ae32e8636","Attributes":{"container":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","name":"bridge","type":"bridge"}},"scope":"local","time":1626039182,"timeNano":1626039182501956621}
{"status":"start","id":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","from":"hello-world","Type":"container","Action":"start","Actor":{"ID":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","Attributes":{"image":"hello-world","name":"sleepy_bose"}},"scope":"local","time":1626039182,"timeNano":1626039182953160024}
{"status":"die","id":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","from":"hello-world","Type":"container","Action":"die","Actor":{"ID":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","Attributes":{"exitCode":"0","image":"hello-world","name":"sleepy_bose"}},"scope":"local","time":1626039182,"timeNano":1626039182989414581}
{"Type":"network","Action":"disconnect","Actor":{"ID":"080e4494dc690e9649bd891f224e8bc42e915633a4f55dbdd90a741ae32e8636","Attributes":{"container":"e5291372d0f3f530b4b67b89dc6b6e1ef511dd4bfda57f9331a5f3db34ad0917","name":"bridge","type":"bridge"}},"scope":"local","time":1626039183,"timeNano":1626039183097029362}
[...]
Как создать контейнер:
$ curl --silent -XPOST --unix-socket /run/docker.sock -d '{"Image":"nginx:latest"}' -H 'Content-Type: application/json' http://localhost/containers/create?name=nginx
{"Id":"1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e","Warnings":[]}
Как запустить контейнер
$ curl --silent -XPOST --unix-socket /run/docker.sock -H 'Content-Type: application/json' http://localhost/containers/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e/start
Список контейнеров:
$ curl --silent -XGET --unix-socket /run/docker.sock -H 'Content-Type: application/json' http://localhost/containers/json | jq .
[
{
"Id": "1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e",
"Names": [
"/nginx"
],
"Image": "nginx:latest",
"ImageID": "sha256:4cdc5dd7eaadff5080649e8d0014f2f8d36d4ddf2eff2fdf577dd13da85c5d2f",
"Command": "/docker-entrypoint.sh nginx -g 'daemon off;'",
"Created": 1626039550,
"Ports": [
{
"PrivatePort": 80,
"Type": "tcp"
}
],
"Labels": {
"maintainer": "NGINX Docker Maintainers <docker-maint@nginx.com>"
},
"State": "running",
"Status": "Up 19 seconds",
"HostConfig": {
"NetworkMode": "default"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "080e4494dc690e9649bd891f224e8bc42e915633a4f55dbdd90a741ae32e8636",
"EndpointID": "c5687cea3ffe61ebef63eeb8790bfe7d8660d37d80bcb45ca5925b02078dc8be",
"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
}
}
},
"Mounts": []
}
]</docker-maint@nginx.com>
Отображение сведений о контейнере.
$ curl --silent -XGET --unix-socket /run/docker.sock -H 'Content-Type: application/json' http://localhost/containers/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e/json | jq .
{
"Id": "1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e",
"Created": "2021-07-11T21:39:10.89496568Z",
"Path": "/docker-entrypoint.sh",
"Args": [
"nginx",
"-g",
"daemon off;"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 2533,
"ExitCode": 0,
"Error": "",
"StartedAt": "2021-07-11T21:42:33.900117747Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:4cdc5dd7eaadff5080649e8d0014f2f8d36d4ddf2eff2fdf577dd13da85c5d2f",
"ResolvConfPath": "/var/lib/docker/containers/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e/hostname",
"HostsPath": "/var/lib/docker/containers/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e/hosts",
"LogPath": "/var/lib/docker/containers/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f76537228b0e/1c022ba8c88382b1bad03c5d32146f66b698b5211ea37057cb56f7
6537228b0e-json.log",
"Name": "/nginx",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
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