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Fix docker import on compressed data

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Fixes #20296

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2016-02-16 11:19:23 -08:00
parent 15d7fa77e1
commit e1c2eb0d35
2 changed files with 39 additions and 7 deletions
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20
daemon/import.go
View file

@ -11,6 +11,7 @@ import (
"github.com/docker/docker/dockerversion"
"github.com/docker/docker/image"
"github.com/docker/docker/layer"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/httputils"
"github.com/docker/docker/pkg/progress"
"github.com/docker/docker/pkg/streamformatter"
@ -24,13 +25,13 @@ import (
// the repo and tag arguments, respectively.
func (daemon *Daemon) ImportImage(src string, newRef reference.Named, msg string, inConfig io.ReadCloser, outStream io.Writer, config *container.Config) error {
var (
sf = streamformatter.NewJSONStreamFormatter()
archive io.ReadCloser
resp *http.Response
sf = streamformatter.NewJSONStreamFormatter()
rc io.ReadCloser
resp *http.Response
)
if src == "-" {
archive = inConfig
rc = inConfig
} else {
inConfig.Close()
u, err := url.Parse(src)
@ -48,15 +49,20 @@ func (daemon *Daemon) ImportImage(src string, newRef reference.Named, msg string
return err
}
progressOutput := sf.NewProgressOutput(outStream, true)
archive = progress.NewProgressReader(resp.Body, progressOutput, resp.ContentLength, "", "Importing")
rc = progress.NewProgressReader(resp.Body, progressOutput, resp.ContentLength, "", "Importing")
}
defer archive.Close()
defer rc.Close()
if len(msg) == 0 {
msg = "Imported from " + src
}
inflatedLayerData, err := archive.DecompressStream(rc)
if err != nil {
return err
}
// TODO: support windows baselayer?
l, err := daemon.layerStore.Register(archive, "")
l, err := daemon.layerStore.Register(inflatedLayerData, "")
if err != nil {
return err
}

26
integration-cli/docker_cli_import_test.go
View file

@ -2,6 +2,7 @@ package main
import (
"bufio"
"compress/gzip"
"io/ioutil"
"os"
"os/exec"
@ -59,6 +60,31 @@ func (s *DockerSuite) TestImportFile(c *check.C) {
c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing."))
}
func (s *DockerSuite) TestImportGzipped(c *check.C) {
testRequires(c, DaemonIsLinux)
dockerCmd(c, "run", "--name", "test-import", "busybox", "true")
temporaryFile, err := ioutil.TempFile("", "exportImportTest")
c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file"))
defer os.Remove(temporaryFile.Name())
runCmd := exec.Command(dockerBinary, "export", "test-import")
w := gzip.NewWriter(temporaryFile)
runCmd.Stdout = w
_, err = runCommand(runCmd)
c.Assert(err, checker.IsNil, check.Commentf("failed to export a container"))
err = w.Close()
c.Assert(err, checker.IsNil, check.Commentf("failed to close gzip writer"))
temporaryFile.Close()
out, _ := dockerCmd(c, "import", temporaryFile.Name())
c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't"))
image := strings.TrimSpace(out)
out, _ = dockerCmd(c, "run", "--rm", image, "true")
c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing."))
}
func (s *DockerSuite) TestImportFileWithMessage(c *check.C) {
testRequires(c, DaemonIsLinux)
dockerCmd(c, "run", "--name", "test-import", "busybox", "true")