mirror of
https://github.com/bingohuang/docker-labs.git
synced 2025-07-14 01:57:32 +08:00
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
package services
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import (
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"log"
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"strings"
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ptypes "github.com/franela/play-with-docker/types"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/client"
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"golang.org/x/net/context"
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)
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var c *client.Client
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func init() {
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var err error
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c, err = client.NewEnvClient()
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if err != nil {
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// this wont happen if daemon is offline, only for some critical errors
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log.Fatal("Cannot initialize docker client")
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}
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}
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func GetContainerInfo(id string) (types.ContainerJSON, error) {
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return c.ContainerInspect(context.Background(), id)
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}
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func CreateNetwork(name string) error {
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opts := types.NetworkCreate{Attachable: true, Driver: "overlay"}
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_, err := c.NetworkCreate(context.Background(), name, opts)
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if err != nil {
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return err
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}
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return nil
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}
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func DeleteNetwork(id string) error {
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err := c.NetworkRemove(context.Background(), id)
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if err != nil {
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return err
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}
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return nil
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}
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func GetExecConnection(id string, ctx context.Context) (*types.HijackedResponse, error) {
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conf := types.ExecConfig{Tty: true, AttachStdin: true, AttachStderr: true, AttachStdout: true, Cmd: []string{"sh"}}
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resp, err := c.ContainerExecCreate(ctx, id, conf)
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if err != nil {
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return nil, err
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}
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//err = c.ContainerExecStart(context.Background(), resp.ID, types.ExecStartCheck{Tty: true})
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//if err != nil {
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//return nil, err
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//}
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conn, err := c.ContainerExecAttach(ctx, resp.ID, conf)
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if err != nil {
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return nil, err
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}
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return &conn, nil
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}
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func CreateInstance(net string) (*ptypes.Instance, error) {
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h := &container.HostConfig{NetworkMode: container.NetworkMode(net), Privileged: true}
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conf := &container.Config{Image: "docker:dind"}
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container, err := c.ContainerCreate(context.Background(), conf, h, nil, "")
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if err != nil {
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return nil, err
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}
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err = c.ContainerStart(context.Background(), container.ID, types.ContainerStartOptions{})
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if err != nil {
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return nil, err
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}
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cinfo, err := GetContainerInfo(container.ID)
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if err != nil {
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return nil, err
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}
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return &ptypes.Instance{Name: strings.Replace(cinfo.Name, "/", "", 1), IP: cinfo.NetworkSettings.Networks[net].IPAddress}, nil
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}
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func DeleteContainer(id string) error {
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return c.ContainerRemove(context.Background(), id, types.ContainerRemoveOptions{Force: true})
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}
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