Esempio n. 1
0
func cmdShowImage(img *jetpack.Image) error {
	output := fmt.Sprintf("ID\t%v\nName\t%v\nTimestamp\t%v\n",
		img.Hash,
		img,
		img.Timestamp.Format(time.RFC3339),
	)

	if len(img.Manifest.Dependencies) > 0 {
		output += "Dependencies"
		for _, dep := range img.Manifest.Dependencies {
			if dimg, err := Host.GetImage(*dep.ImageID, "", nil); err != nil {
				// FIXME: export GetImageDependency?
				return errors.Trace(err)
			} else {
				output += fmt.Sprintf("\t%v %v\n", types.ShortHash(dimg.Hash.String()), dimg)
			}
		}
	}

	if app := img.Manifest.App; app != nil {
		output += "App\t\n" + appDetails(app)
	}

	tw := tabwriter.NewWriter(os.Stdout, 2, 8, 2, ' ', 0)
	fmt.Fprint(tw, output)
	return tw.Flush()
}
Esempio n. 2
0
func doListF(w io.Writer, header string, items [][]string) error {
	if !LongHash {
		for i := range items {
			items[i][0] = types.ShortHash(items[i][0])
		}
	}

	lines := make([]string, len(items))
	for i, item := range items {
		if Quiet {
			lines[i] = item[0]
		} else {
			lines[i] = strings.Join(item, "\t")
		}
	}
	sort.Strings(lines)

	if !(Quiet || MachineFriendly || header == "") {
		lines = append([]string{header}, lines...)
	}
	output := strings.Join(lines, "\n")

	if MachineFriendly {
		_, err := fmt.Println(output)
		return err
	} else {
		tw := tabwriter.NewWriter(w, 2, 8, 2, ' ', 0)
		fmt.Fprintln(tw, output)
		return tw.Flush()
	}
}
Esempio n. 3
0
func runFetch(cmd *cobra.Command, args []string) (exit int) {
	if err := parseApps(&rktApps, args, cmd.Flags(), false); err != nil {
		stderr.PrintE("unable to parse arguments", err)
		return 1
	}

	if rktApps.Count() < 1 {
		stderr.Print("must provide at least one image")
		return 1
	}

	if flagStoreOnly && flagNoStore {
		stderr.Print("both --store-only and --no-store specified")
		return 1
	}

	s, err := store.NewStore(getDataDir())
	if err != nil {
		stderr.PrintE("cannot open store", err)
		return 1
	}
	ks := getKeystore()
	config, err := getConfig()
	if err != nil {
		stderr.PrintE("cannot get configuration", err)
		return 1
	}
	ft := &image.Fetcher{
		S:                  s,
		Ks:                 ks,
		Headers:            config.AuthPerHost,
		DockerAuth:         config.DockerCredentialsPerRegistry,
		InsecureFlags:      globalFlags.InsecureFlags,
		Debug:              globalFlags.Debug,
		TrustKeysFromHTTPS: globalFlags.TrustKeysFromHTTPS,

		StoreOnly: flagStoreOnly,
		NoStore:   flagNoStore,
		WithDeps:  true,
	}

	err = rktApps.Walk(func(app *apps.App) error {
		hash, err := ft.FetchImage(app.Image, app.Asc, app.ImType)
		if err != nil {
			return err
		}
		if !flagFullHash {
			hash = types.ShortHash(hash)
		}
		stdout.Print(hash)
		return nil
	})
	if err != nil {
		stderr.Error(err)
		return 1
	}

	return
}
Esempio n. 4
0
func TestResumedFetch(t *testing.T) {
	image := "rkt-inspect-implicit-fetch.aci"
	imagePath := patchTestACI(image, "--exec=/inspect")
	defer os.Remove(imagePath)

	hash := types.ShortHash("sha512-" + getHashOrPanic(imagePath))

	kill := make(chan struct{})
	reportkill := make(chan struct{})

	shouldInterrupt := &synchronizedBool{}
	shouldInterrupt.Write(true)

	server := httptest.NewServer(testServerHandler(t, shouldInterrupt, imagePath, kill, reportkill))
	defer server.Close()

	ctx := testutils.NewRktRunCtx()
	defer ctx.Cleanup()

	cmd := fmt.Sprintf("%s --no-store --insecure-options=image fetch %s", ctx.Cmd(), server.URL)
	child := spawnOrFail(t, cmd)
	<-kill
	err := child.Close()
	if err != nil {
		panic(err)
	}
	reportkill <- struct{}{}

	// rkt has fetched the first half of the image
	// If it fetches the first half again these channels will be written to.
	// Closing them to make the test panic if they're written to.
	close(kill)
	close(reportkill)

	child = spawnOrFail(t, cmd)
	if _, _, err := expectRegexWithOutput(child, ".*"+hash); err != nil {
		t.Fatalf("hash didn't match: %v", err)
	}
	waitOrFail(t, child, 0)
}
Esempio n. 5
0
func TestResumedFetchInvalidCache(t *testing.T) {
	image := "rkt-inspect-implicit-fetch.aci"
	imagePath := patchTestACI(image, "--exec=/inspect")
	defer os.Remove(imagePath)

	hash := types.ShortHash("sha512-" + getHashOrPanic(imagePath))

	kill := make(chan struct{})
	reportkill := make(chan struct{})

	ctx := testutils.NewRktRunCtx()
	defer ctx.Cleanup()

	shouldInterrupt := &synchronizedBool{}
	shouldInterrupt.Write(true)

	// Fetch the first half of the image, and kill rkt once it reaches halfway.
	server := httptest.NewServer(testServerHandler(t, shouldInterrupt, imagePath, kill, reportkill))
	defer server.Close()
	cmd := fmt.Sprintf("%s --no-store --insecure-options=image fetch %s", ctx.Cmd(), server.URL)
	child := spawnOrFail(t, cmd)
	<-kill
	err := child.Close()
	if err != nil {
		panic(err)
	}
	reportkill <- struct{}{}

	// Fetch the image again. The server doesn't support Etags or the
	// Last-Modified header, so the cached version should be invalidated. If
	// rkt tries to use the cache, the hash won't check out.
	shouldInterrupt.Write(false)
	child = spawnOrFail(t, cmd)
	if _, s, err := expectRegexWithOutput(child, ".*"+hash); err != nil {
		t.Fatalf("hash didn't match: %v\nin: %s", err, s)
	}
	waitOrFail(t, child, 0)
}