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https://github.com/moby/moby.git
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Removed deprecated docker/image module
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parent
1b34630b8c
commit
0f952a7dbb
3 changed files with 0 additions and 174 deletions
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@ -1,73 +0,0 @@
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package image
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import (
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"errors"
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"io"
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"io/ioutil"
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"os/exec"
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)
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type Compression uint32
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const (
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Uncompressed Compression = iota
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Bzip2
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Gzip
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)
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func (compression *Compression) Flag() string {
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switch *compression {
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case Bzip2:
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return "j"
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case Gzip:
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return "z"
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}
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return ""
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}
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func Tar(path string, compression Compression) (io.Reader, error) {
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cmd := exec.Command("bsdtar", "-f", "-", "-C", path, "-c"+compression.Flag(), ".")
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return CmdStream(cmd)
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}
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func Untar(archive io.Reader, path string) error {
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cmd := exec.Command("bsdtar", "-f", "-", "-C", path, "-x")
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cmd.Stdin = archive
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output, err := cmd.CombinedOutput()
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if err != nil {
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return errors.New(err.Error() + ": " + string(output))
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}
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return nil
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}
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func CmdStream(cmd *exec.Cmd) (io.Reader, error) {
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, err
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}
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stderr, err := cmd.StderrPipe()
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if err != nil {
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return nil, err
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}
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pipeR, pipeW := io.Pipe()
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go func() {
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_, err := io.Copy(pipeW, stdout)
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if err != nil {
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pipeW.CloseWithError(err)
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}
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errText, e := ioutil.ReadAll(stderr)
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if e != nil {
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errText = []byte("(...couldn't fetch stderr: " + e.Error() + ")")
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}
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if err := cmd.Wait(); err != nil {
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// FIXME: can this block if stderr outputs more than the size of StderrPipe()'s buffer?
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pipeW.CloseWithError(errors.New(err.Error() + ": " + string(errText)))
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} else {
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pipeW.Close()
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}
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}()
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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return pipeR, nil
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}
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@ -1,54 +0,0 @@
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package image
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"testing"
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)
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func TestCmdStreamBad(t *testing.T) {
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badCmd := exec.Command("/bin/sh", "-c", "echo hello; echo >&2 error couldn\\'t reverse the phase pulser; exit 1")
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out, err := CmdStream(badCmd)
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if err != nil {
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t.Fatalf("Failed to start command: " + err.Error())
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}
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if output, err := ioutil.ReadAll(out); err == nil {
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t.Fatalf("Command should have failed")
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} else if err.Error() != "exit status 1: error couldn't reverse the phase pulser\n" {
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t.Fatalf("Wrong error value (%s)", err.Error())
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} else if s := string(output); s != "hello\n" {
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t.Fatalf("Command output should be '%s', not '%s'", "hello\\n", output)
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}
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}
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func TestCmdStreamGood(t *testing.T) {
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cmd := exec.Command("/bin/sh", "-c", "echo hello; exit 0")
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out, err := CmdStream(cmd)
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if err != nil {
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t.Fatal(err)
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}
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if output, err := ioutil.ReadAll(out); err != nil {
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t.Fatalf("Command should not have failed (err=%s)", err)
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} else if s := string(output); s != "hello\n" {
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t.Fatalf("Command output should be '%s', not '%s'", "hello\\n", output)
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}
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}
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func TestTarUntar(t *testing.T) {
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archive, err := Tar(".", Uncompressed)
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if err != nil {
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t.Fatal(err)
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}
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tmp, err := ioutil.TempDir("", "docker-test-untar")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmp)
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if err := Untar(archive, tmp); err != nil {
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t.Fatal(err)
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}
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if _, err := os.Stat(tmp); err != nil {
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t.Fatalf("Error stating %s: %s", tmp, err.Error())
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}
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}
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@ -1,47 +0,0 @@
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package image
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import (
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"bytes"
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"github.com/dotcloud/docker/fake"
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"github.com/dotcloud/docker/future"
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"io/ioutil"
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"os"
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"testing"
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)
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func TestAddLayer(t *testing.T) {
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tmp, err := ioutil.TempDir("", "docker-test-image")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmp)
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store, err := NewLayerStore(tmp)
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if err != nil {
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t.Fatal(err)
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}
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archive, err := fake.FakeTar()
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if err != nil {
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t.Fatal(err)
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}
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layer, err := store.AddLayer(archive)
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if err != nil {
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t.Fatal(err)
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}
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if _, err := os.Stat(layer); err != nil {
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t.Fatalf("Error testing for existence of layer: %s\n", err.Error())
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}
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}
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func TestComputeId(t *testing.T) {
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id1, err := future.ComputeId(bytes.NewBufferString("hello world\n"))
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if err != nil {
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t.Fatal(err)
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}
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id2, err := future.ComputeId(bytes.NewBufferString("foo bar\n"))
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if err != nil {
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t.Fatal(err)
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}
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if id1 == id2 {
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t.Fatalf("Identical checksums for difference content (%s == %s)", id1, id2)
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}
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}
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