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package container // import "github.com/docker/docker/integration/container"
import (
"context"
"encoding/json"
"strings"
"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/pkg/jsonmessage"
"github.com/docker/docker/testutil/daemon"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/poll"
"gotest.tools/v3/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(ctx, t, client, container.WithCmd("true"))
poll.WaitOn(t, container.IsStopped(ctx, client, cID), poll.WithDelay(100*time.Millisecond))
reference := "repo/" + strings.ToLower(t.Name()) + ":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(ctx, t, c)
d.Restart(t)
_, err := c.ContainerExport(ctx, ctrID)
assert.NilError(t, err)
}
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