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/internal/test/daemon" "github.com/docker/docker/pkg/jsonmessage" "gotest.tools/assert" is "gotest.tools/assert/cmp" "gotest.tools/poll" "gotest.tools/skip" ) // export an image and try to import it into a new one func TestExportContainerAndImportImage(t *testing.T) { skip.If(t, testEnv.DaemonInfo.OSType == "windows") defer setupTest(t)() client := testEnv.APIClient() 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) assert.NilError(t, err) importResp, err := client.ImageImport(ctx, types.ImageImportSource{ Source: exportResp, SourceName: "-", }, reference, types.ImageImportOptions{}) assert.NilError(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) assert.NilError(t, err) images, err := client.ImageList(ctx, types.ImageListOptions{ Filters: filters.NewArgs(filters.Arg("reference", reference)), }) assert.NilError(t, err) assert.Check(t, is.Equal(jm.Status, images[0].ID)) } // TestExportContainerAfterDaemonRestart checks that a container // created before start of the currently running dockerd // can be exported (as reported in #36561). To satisfy this // condition, daemon restart is needed after container creation. func TestExportContainerAfterDaemonRestart(t *testing.T) { skip.If(t, testEnv.DaemonInfo.OSType == "windows") skip.If(t, testEnv.IsRemoteDaemon) d := daemon.New(t) c := d.NewClientT(t) d.StartWithBusybox(t) defer d.Stop(t) ctx := context.Background() ctrID := container.Create(t, ctx, c) d.Restart(t) _, err := c.ContainerExport(ctx, ctrID) assert.NilError(t, err) }