Ha u nka qeto ea ho ngola baesekele ea hau ho ts'oara li-hook ho tloha setsing sa li-docker kapa ho tsoa ho registry ho inchafatsa / qala lijana ho seva, Docker Cli e ka tla e thusa ho laola daemon ea Docker ho sistimi ea hau.
Ho sebetsa, o hloka mofuta oa Go bonyane 1.9.4
Haeba u ntse u e-so fetohele ho li-module, kenya Cli ka taelo e latelang:
go get github.com/docker/docker/client
Ho matha setshelo
Mohlala o latelang o bonts'a mokhoa oa ho tsamaisa setshelo o sebelisa Docker API. Moleng oa taelo, u ne u tla sebelisa taelo docker run
, empa re ka sebetsana ka katleho le mosebetsi ona habonolo tšebeletsong ea rōna.
Mohlala ona o lekana le ho tsamaisa taelo docker run alpine echo hello world
package main {
ctx := context.Background()
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
// Делаем docker pull
reader, err := cli.ImagePull(ctx, "docker.io/library/alpine", types.ImagePullOptions{})
if err != nil {
panic(err)
}
io.Copy(os.Stdout, reader)
hostBinding := nat.PortBinding{
HostIP: "0.0.0.0",
HostPort: "8000",
}
containerPort, err := nat.NewPort("tcp", "80")
if err != nil {
panic("Unable to get the port")
}
portBinding := nat.PortMap{containerPort: []nat.PortBinding{hostBinding}}
// Создаем контейнер с заданной конфигурацией
resp, err := cli.ContainerCreate(ctx, &container.Config{
Image: "alpine",
Cmd: []string{"echo", "hello world"},
Tty: true,
}, &container.HostConfig{
PortBindings: portBinding,
}, nil, "")
if err != nil {
panic(err)
}
// Запускаем контейнер
if err := cli.ContainerStart(ctx, resp.ID, types.ContainerStartOptions{}); err != nil {
panic(err)
}
// Получаем логи контейнера
out, err := cli.ContainerLogs(ctx, resp.ID, types.ContainerLogsOptions{ShowStdout: true})
if err != nil {
panic(err)
}
io.Copy(os.Stdout, out)
}
Ho fumana lethathamo la lijana tse tsamaisang
Mohlala ona o lekana le ho tsamaisa taelo docker ps
package main
import (
"context"
"fmt"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
func main() {
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
// Получение списка запуцщенных контейнеров(docker ps)
containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
if err != nil {
panic(err)
}
// Вывод всех идентификаторов контейнеров
for _, container := range containers {
fmt.Println(container.ID)
}
}
Emisa lijana tsohle tse mathang
Kaha joale u se u ithutile ho theha le ho tsamaisa lijana, ke nako ea ho ithuta ho li laola. Mohlala o latelang o tla emisa lijana tsohle tse tsamaeang.
Se ke oa sebelisa khoutu ena ho seva sa tlhahiso!
package main
import (
"context"
"fmt"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
func main() {
ctx := context.Background()
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
// Получение списка запуцщенных контейнеров(docker ps)
containers, err := cli.ContainerList(ctx, types.ContainerListOptions{})
if err != nil {
panic(err)
}
for _, c := range containers {
fmt.Print("Stopping container ", c.ID[:10], "... ")
if err := cli.ContainerStop(ctx, c.ID, nil); err != nil {
panic(err)
}
fmt.Println("Success")
}
}
Li-output logs tsa setshelo se le seng
U ka sebetsa le lijana ka bomong. Mohlala o latelang o hlahisa lits'oants'o tsa setshelo ka ID e boletsoeng. Pele o qala, o hloka ho fetola ID ea sets'oants'o seo o batlang ho se fumana.
package main
import (
"context"
"io"
"os"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
func main() {
ctx := context.Background()
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
options := types.ContainerLogsOptions{ShowStdout: true}
// Измените id контейнера здесь
out, err := cli.ContainerLogs(ctx, "f1064a8a4c82", options)
if err != nil {
panic(err)
}
io.Copy(os.Stdout, out)
}
Ho fumana lethathamo la litšoantšo
Mohlala ona o lekana le ho tsamaisa taelo docker image ls
package main
import (
"context"
"fmt"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
func main() {
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
// Получение списка образов
images, err := cli.ImageList(context.Background(), types.ImageListOptions{})
if err != nil {
panic(err)
}
for _, image := range images {
fmt.Println(image.ID)
}
}
Hula
Mohlala ona o lekana le ho tsamaisa taelo docker pull
package main
import (
"context"
"io"
"os"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
func main() {
ctx := context.Background()
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
// docker pull alpine
out, err := cli.ImagePull(ctx, "docker.io/library/alpine", types.ImagePullOptions{})
if err != nil {
panic(err)
}
defer out.Close()
io.Copy(os.Stdout, out)
}
Ho khoasolla setšoantšo ka netefatso ea mosebelisi
Mohlala ona o lekana le ho tsamaisa taelo docker pull
, ka netefatso.
Lintlha tsa netefatso li romelloa ka mongolo o hlakileng. Ngoliso ea semmuso ea li-docker e sebelisa HTTPS,
lirejistri tsa poraefete le tsona li tlameha ho hlophisoa ho buisana ka HTTPS.
package main
import (
"context"
"encoding/base64"
"encoding/json"
"io"
"os"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
func main() {
ctx := context.Background()
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
// Создание конфига с данными для аутентификации
authConfig := types.AuthConfig{
Username: "username",
Password: "password",
}
encodedJSON, err := json.Marshal(authConfig)
if err != nil {
panic(err)
}
authStr := base64.URLEncoding.EncodeToString(encodedJSON)
out, err := cli.ImagePull(ctx, "docker.io/library/alpine", types.ImagePullOptions{RegistryAuth: authStr})
if err != nil {
panic(err)
}
defer out.Close()
io.Copy(os.Stdout, out)
}
Source: www.habr.com