package container // import "github.com/docker/docker/integration/container" import ( "context" "encoding/json" "testing" "time" "github.com/docker/docker/api/types" "github.com/docker/docker/api/types/filters" "github.com/docker/docker/integration/internal/container" "github.com/docker/docker/integration/internal/request" "github.com/docker/docker/pkg/jsonmessage" "github.com/gotestyourself/gotestyourself/poll" "github.com/gotestyourself/gotestyourself/skip" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) // export an image and try to import it into a new one func TestExportContainerAndImportImage(t *testing.T) { skip.If(t, testEnv.DaemonInfo.OSType != "linux") defer setupTest(t)() client := request.NewAPIClient(t) ctx := context.Background() cID := container.Run(t, ctx, client, container.WithCmd("true")) poll.WaitOn(t, container.IsStopped(ctx, client, cID), poll.WithDelay(100*time.Millisecond)) reference := "repo/testexp:v1" exportResp, err := client.ContainerExport(ctx, cID) require.NoError(t, err) importResp, err := client.ImageImport(ctx, types.ImageImportSource{ Source: exportResp, SourceName: "-", }, reference, types.ImageImportOptions{}) require.NoError(t, err) // If the import is successfully, then the message output should contain // the image ID and match with the output from `docker images`. dec := json.NewDecoder(importResp) var jm jsonmessage.JSONMessage err = dec.Decode(&jm) require.NoError(t, err) images, err := client.ImageList(ctx, types.ImageListOptions{ Filters: filters.NewArgs(filters.Arg("reference", reference)), }) require.NoError(t, err) assert.Equal(t, jm.Status, images[0].ID) }