feat: implement ssh forwarding

internal/workspace/docker.go

@@ -0,0 +1,55 @@
+package workspace
+
+import (
+	"context"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/client"
+	"io"
+)
+
+type spawnedShell struct {
+	io.Reader
+	io.Writer
+
+	execID string
+}
+
+func stopContainer(ctx context.Context, docker *client.Client, containerID string) error {
+	return docker.ContainerStop(ctx, containerID, container.StopOptions{})
+}
+
+func startContainer(ctx context.Context, docker *client.Client, containerID string) error {
+	return docker.ContainerStart(ctx, containerID, container.StartOptions{})
+}
+
+func deleteContainer(ctx context.Context, docker *client.Client, containerID string) error {
+	return docker.ContainerRemove(ctx, containerID, container.RemoveOptions{
+		RemoveVolumes: true,
+	})
+}
+
+func inspectContainer(ctx context.Context, docker *client.Client, containerID string) (types.ContainerJSON, error) {
+	return docker.ContainerInspect(ctx, containerID)
+}
+
+func spawnNewShell(ctx context.Context, docker *client.Client, containerID string) (*spawnedShell, error) {
+	res, err := docker.ContainerExecCreate(ctx, containerID, container.ExecOptions{
+		Tty:    true,
+		Detach: true,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	attached, err := docker.ContainerExecAttach(ctx, res.ID, container.ExecAttachOptions{})
+	if err != nil {
+		return nil, err
+	}
+
+	return &spawnedShell{
+		Reader: attached.Reader,
+		Writer: attached.Conn,
+		execID: res.ID,
+	}, nil
+}