2014-02-25 11:17:48 -05:00
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package main
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import (
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"fmt"
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2014-09-06 07:49:40 -04:00
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"io/ioutil"
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2014-02-25 11:17:48 -05:00
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"os"
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"os/exec"
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2014-09-06 07:49:40 -04:00
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"path/filepath"
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"reflect"
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2014-11-11 04:18:22 -05:00
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"sort"
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"strings"
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2014-02-25 11:17:48 -05:00
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"testing"
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)
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2014-12-08 15:40:27 -05:00
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// save a repo using gz compression and try to load it using stdout
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func TestSaveXzAndLoadRepoStdout(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("failed to create a container: %v %v", out, err)
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}
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2015-04-06 09:21:18 -04:00
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cleanedContainerID := strings.TrimSpace(out)
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2014-12-08 15:40:27 -05:00
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repoName := "foobar-save-load-test-xz-gz"
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inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
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out, _, err = runCommandWithOutput(inspectCmd)
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if err != nil {
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t.Fatalf("output should've been a container id: %v %v", cleanedContainerID, err)
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}
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commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, repoName)
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out, _, err = runCommandWithOutput(commitCmd)
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if err != nil {
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t.Fatalf("failed to commit container: %v %v", out, err)
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}
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inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
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before, _, err := runCommandWithOutput(inspectCmd)
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if err != nil {
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t.Fatalf("the repo should exist before saving it: %v %v", before, err)
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}
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2015-02-14 17:25:13 -05:00
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repoTarball, _, err := runCommandPipelineWithOutput(
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exec.Command(dockerBinary, "save", repoName),
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exec.Command("xz", "-c"),
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exec.Command("gzip", "-c"))
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2014-12-08 15:40:27 -05:00
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if err != nil {
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t.Fatalf("failed to save repo: %v %v", out, err)
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}
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deleteImages(repoName)
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2015-02-14 17:25:13 -05:00
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loadCmd := exec.Command(dockerBinary, "load")
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loadCmd.Stdin = strings.NewReader(repoTarball)
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2014-12-08 15:40:27 -05:00
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out, _, err = runCommandWithOutput(loadCmd)
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if err == nil {
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t.Fatalf("expected error, but succeeded with no error and output: %v", out)
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}
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inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
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after, _, err := runCommandWithOutput(inspectCmd)
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if err == nil {
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t.Fatalf("the repo should not exist: %v", after)
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}
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deleteImages(repoName)
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logDone("load - save a repo with xz compression & load it using stdout")
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}
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// save a repo using xz+gz compression and try to load it using stdout
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func TestSaveXzGzAndLoadRepoStdout(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("failed to create a container: %v %v", out, err)
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}
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2015-04-06 09:21:18 -04:00
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cleanedContainerID := strings.TrimSpace(out)
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2014-12-08 15:40:27 -05:00
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repoName := "foobar-save-load-test-xz-gz"
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inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
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out, _, err = runCommandWithOutput(inspectCmd)
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if err != nil {
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t.Fatalf("output should've been a container id: %v %v", cleanedContainerID, err)
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}
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commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, repoName)
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out, _, err = runCommandWithOutput(commitCmd)
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if err != nil {
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t.Fatalf("failed to commit container: %v %v", out, err)
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}
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inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
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before, _, err := runCommandWithOutput(inspectCmd)
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if err != nil {
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t.Fatalf("the repo should exist before saving it: %v %v", before, err)
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}
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2015-02-14 17:25:13 -05:00
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out, _, err = runCommandPipelineWithOutput(
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exec.Command(dockerBinary, "save", repoName),
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exec.Command("xz", "-c"),
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exec.Command("gzip", "-c"))
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2014-12-08 15:40:27 -05:00
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if err != nil {
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t.Fatalf("failed to save repo: %v %v", out, err)
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}
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deleteImages(repoName)
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2015-02-14 17:25:13 -05:00
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loadCmd := exec.Command(dockerBinary, "load")
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loadCmd.Stdin = strings.NewReader(out)
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2014-12-08 15:40:27 -05:00
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out, _, err = runCommandWithOutput(loadCmd)
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if err == nil {
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t.Fatalf("expected error, but succeeded with no error and output: %v", out)
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}
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inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
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after, _, err := runCommandWithOutput(inspectCmd)
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if err == nil {
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t.Fatalf("the repo should not exist: %v", after)
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}
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deleteContainer(cleanedContainerID)
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deleteImages(repoName)
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logDone("load - save a repo with xz+gz compression & load it using stdout")
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}
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2014-07-07 14:58:27 -04:00
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func TestSaveSingleTag(t *testing.T) {
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repoName := "foobar-save-single-tag-test"
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2015-02-14 17:25:13 -05:00
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tagCmd := exec.Command(dockerBinary, "tag", "busybox:latest", fmt.Sprintf("%v:latest", repoName))
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defer deleteImages(repoName)
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2014-10-14 16:22:06 -04:00
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if out, _, err := runCommandWithOutput(tagCmd); err != nil {
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t.Fatalf("failed to tag repo: %s, %v", out, err)
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}
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2014-07-07 14:58:27 -04:00
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2015-02-14 17:25:13 -05:00
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idCmd := exec.Command(dockerBinary, "images", "-q", "--no-trunc", repoName)
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2014-10-14 16:22:06 -04:00
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out, _, err := runCommandWithOutput(idCmd)
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if err != nil {
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t.Fatalf("failed to get repo ID: %s, %v", out, err)
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}
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2015-04-06 09:21:18 -04:00
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cleanedImageID := strings.TrimSpace(out)
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2014-07-07 14:58:27 -04:00
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2015-02-14 17:25:13 -05:00
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out, _, err = runCommandPipelineWithOutput(
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exec.Command(dockerBinary, "save", fmt.Sprintf("%v:latest", repoName)),
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exec.Command("tar", "t"),
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exec.Command("grep", "-E", fmt.Sprintf("(^repositories$|%v)", cleanedImageID)))
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if err != nil {
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2014-10-14 16:22:06 -04:00
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t.Fatalf("failed to save repo with image ID and 'repositories' file: %s, %v", out, err)
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}
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2014-07-07 14:58:27 -04:00
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logDone("save - save a specific image:tag")
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}
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func TestSaveImageId(t *testing.T) {
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repoName := "foobar-save-image-id-test"
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2015-02-14 17:25:13 -05:00
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tagCmd := exec.Command(dockerBinary, "tag", "emptyfs:latest", fmt.Sprintf("%v:latest", repoName))
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defer deleteImages(repoName)
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2014-10-14 16:22:06 -04:00
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if out, _, err := runCommandWithOutput(tagCmd); err != nil {
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t.Fatalf("failed to tag repo: %s, %v", out, err)
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}
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2014-07-07 14:58:27 -04:00
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2015-02-14 17:25:13 -05:00
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idLongCmd := exec.Command(dockerBinary, "images", "-q", "--no-trunc", repoName)
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2014-10-14 16:22:06 -04:00
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out, _, err := runCommandWithOutput(idLongCmd)
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if err != nil {
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t.Fatalf("failed to get repo ID: %s, %v", out, err)
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}
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2014-07-07 14:58:27 -04:00
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2015-04-06 09:21:18 -04:00
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cleanedLongImageID := strings.TrimSpace(out)
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2014-07-07 14:58:27 -04:00
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2015-02-14 17:25:13 -05:00
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idShortCmd := exec.Command(dockerBinary, "images", "-q", repoName)
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2014-07-07 14:58:27 -04:00
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out, _, err = runCommandWithOutput(idShortCmd)
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2014-10-14 16:22:06 -04:00
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if err != nil {
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t.Fatalf("failed to get repo short ID: %s, %v", out, err)
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}
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2014-07-07 14:58:27 -04:00
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2015-04-06 09:21:18 -04:00
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cleanedShortImageID := strings.TrimSpace(out)
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2014-07-07 14:58:27 -04:00
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2015-02-14 17:25:13 -05:00
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saveCmd := exec.Command(dockerBinary, "save", cleanedShortImageID)
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tarCmd := exec.Command("tar", "t")
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tarCmd.Stdin, err = saveCmd.StdoutPipe()
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if err != nil {
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t.Fatalf("cannot set stdout pipe for tar: %v", err)
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}
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grepCmd := exec.Command("grep", cleanedLongImageID)
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grepCmd.Stdin, err = tarCmd.StdoutPipe()
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if err != nil {
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t.Fatalf("cannot set stdout pipe for grep: %v", err)
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2014-10-14 16:22:06 -04:00
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}
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2014-07-07 14:58:27 -04:00
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2015-02-14 17:25:13 -05:00
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if err = tarCmd.Start(); err != nil {
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t.Fatalf("tar failed with error: %v", err)
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}
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if err = saveCmd.Start(); err != nil {
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t.Fatalf("docker save failed with error: %v", err)
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}
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defer saveCmd.Wait()
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defer tarCmd.Wait()
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out, _, err = runCommandWithOutput(grepCmd)
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if err != nil {
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t.Fatalf("failed to save repo with image ID: %s, %v", out, err)
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}
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2014-07-07 14:58:27 -04:00
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logDone("save - save a image by ID")
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}
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2014-06-16 21:01:38 -04:00
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// save a repo and try to load it using flags
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func TestSaveAndLoadRepoFlags(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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2014-10-14 16:22:06 -04:00
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if err != nil {
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t.Fatalf("failed to create a container: %s, %v", out, err)
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}
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2014-06-16 21:01:38 -04:00
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2015-04-06 09:21:18 -04:00
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cleanedContainerID := strings.TrimSpace(out)
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2015-02-14 17:25:13 -05:00
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defer deleteContainer(cleanedContainerID)
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2014-06-16 21:01:38 -04:00
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repoName := "foobar-save-load-test"
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inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
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2014-10-14 16:22:06 -04:00
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if out, _, err = runCommandWithOutput(inspectCmd); err != nil {
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t.Fatalf("output should've been a container id: %s, %v", out, err)
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}
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2014-06-16 21:01:38 -04:00
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commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, repoName)
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2015-02-14 17:25:13 -05:00
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deleteImages(repoName)
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2014-10-14 16:22:06 -04:00
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if out, _, err = runCommandWithOutput(commitCmd); err != nil {
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t.Fatalf("failed to commit container: %s, %v", out, err)
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}
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2014-06-16 21:01:38 -04:00
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inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
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before, _, err := runCommandWithOutput(inspectCmd)
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2014-10-14 16:22:06 -04:00
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if err != nil {
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t.Fatalf("the repo should exist before saving it: %s, %v", before, err)
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2014-06-16 21:01:38 -04:00
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2014-10-14 16:22:06 -04:00
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}
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2014-06-16 21:01:38 -04:00
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2015-02-14 17:25:13 -05:00
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out, _, err = runCommandPipelineWithOutput(
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exec.Command(dockerBinary, "save", repoName),
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exec.Command(dockerBinary, "load"))
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if err != nil {
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t.Fatalf("failed to save and load repo: %s, %v", out, err)
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2014-10-14 16:22:06 -04:00
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}
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2014-06-16 21:01:38 -04:00
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inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
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after, _, err := runCommandWithOutput(inspectCmd)
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2014-10-14 16:22:06 -04:00
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if err != nil {
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t.Fatalf("the repo should exist after loading it: %s, %v", after, err)
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}
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2014-06-16 21:01:38 -04:00
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if before != after {
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t.Fatalf("inspect is not the same after a save / load")
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}
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2014-11-11 11:30:07 -05:00
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logDone("save - save a repo using -o && load a repo using -i")
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2014-02-25 11:17:48 -05:00
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}
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2014-08-28 21:33:13 -04:00
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func TestSaveMultipleNames(t *testing.T) {
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repoName := "foobar-save-multi-name-test"
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// Make one image
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2015-02-14 17:25:13 -05:00
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tagCmd := exec.Command(dockerBinary, "tag", "emptyfs:latest", fmt.Sprintf("%v-one:latest", repoName))
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2014-10-14 16:22:06 -04:00
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if out, _, err := runCommandWithOutput(tagCmd); err != nil {
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t.Fatalf("failed to tag repo: %s, %v", out, err)
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}
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2014-11-17 11:05:49 -05:00
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defer deleteImages(repoName + "-one")
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2014-08-28 21:33:13 -04:00
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// Make two images
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2015-02-14 17:25:13 -05:00
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tagCmd = exec.Command(dockerBinary, "tag", "emptyfs:latest", fmt.Sprintf("%v-two:latest", repoName))
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out, _, err := runCommandWithOutput(tagCmd)
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if err != nil {
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2014-10-14 16:22:06 -04:00
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t.Fatalf("failed to tag repo: %s, %v", out, err)
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}
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2014-11-17 11:05:49 -05:00
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defer deleteImages(repoName + "-two")
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2014-08-28 21:33:13 -04:00
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2015-02-14 17:25:13 -05:00
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out, _, err = runCommandPipelineWithOutput(
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exec.Command(dockerBinary, "save", fmt.Sprintf("%v-one", repoName), fmt.Sprintf("%v-two:latest", repoName)),
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exec.Command("tar", "xO", "repositories"),
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exec.Command("grep", "-q", "-E", "(-one|-two)"),
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)
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if err != nil {
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2014-10-14 16:22:06 -04:00
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t.Fatalf("failed to save multiple repos: %s, %v", out, err)
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}
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2014-08-28 21:33:13 -04:00
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logDone("save - save by multiple names")
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}
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2014-09-06 07:49:40 -04:00
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2014-11-11 04:18:22 -05:00
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func TestSaveRepoWithMultipleImages(t *testing.T) {
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makeImage := func(from string, tag string) string {
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runCmd := exec.Command(dockerBinary, "run", "-d", from, "true")
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var (
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|
|
|
out string
|
|
|
|
err error
|
|
|
|
)
|
|
|
|
if out, _, err = runCommandWithOutput(runCmd); err != nil {
|
|
|
|
t.Fatalf("failed to create a container: %v %v", out, err)
|
|
|
|
}
|
2015-04-06 09:21:18 -04:00
|
|
|
cleanedContainerID := strings.TrimSpace(out)
|
2015-02-14 17:25:13 -05:00
|
|
|
defer deleteContainer(cleanedContainerID)
|
2014-11-11 04:18:22 -05:00
|
|
|
|
|
|
|
commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, tag)
|
|
|
|
if out, _, err = runCommandWithOutput(commitCmd); err != nil {
|
|
|
|
t.Fatalf("failed to commit container: %v %v", out, err)
|
|
|
|
}
|
2015-04-06 09:21:18 -04:00
|
|
|
imageID := strings.TrimSpace(out)
|
2014-11-11 04:18:22 -05:00
|
|
|
return imageID
|
|
|
|
}
|
|
|
|
|
|
|
|
repoName := "foobar-save-multi-images-test"
|
|
|
|
tagFoo := repoName + ":foo"
|
|
|
|
tagBar := repoName + ":bar"
|
|
|
|
|
|
|
|
idFoo := makeImage("busybox:latest", tagFoo)
|
2015-02-14 17:25:13 -05:00
|
|
|
defer deleteImages(idFoo)
|
2014-11-11 04:18:22 -05:00
|
|
|
idBar := makeImage("busybox:latest", tagBar)
|
2015-02-14 17:25:13 -05:00
|
|
|
defer deleteImages(idBar)
|
2014-11-11 04:18:22 -05:00
|
|
|
|
|
|
|
deleteImages(repoName)
|
|
|
|
|
|
|
|
// create the archive
|
2015-02-14 17:25:13 -05:00
|
|
|
out, _, err := runCommandPipelineWithOutput(
|
|
|
|
exec.Command(dockerBinary, "save", repoName),
|
|
|
|
exec.Command("tar", "t"),
|
|
|
|
exec.Command("grep", "VERSION"),
|
|
|
|
exec.Command("cut", "-d", "/", "-f1"))
|
2014-11-11 04:18:22 -05:00
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("failed to save multiple images: %s, %v", out, err)
|
|
|
|
}
|
2015-04-06 09:21:18 -04:00
|
|
|
actual := strings.Split(strings.TrimSpace(out), "\n")
|
2014-11-11 04:18:22 -05:00
|
|
|
|
|
|
|
// make the list of expected layers
|
2015-02-14 17:25:13 -05:00
|
|
|
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "history", "-q", "--no-trunc", "busybox:latest"))
|
2014-11-11 04:18:22 -05:00
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("failed to get history: %s, %v", out, err)
|
|
|
|
}
|
|
|
|
|
2015-04-06 09:21:18 -04:00
|
|
|
expected := append(strings.Split(strings.TrimSpace(out), "\n"), idFoo, idBar)
|
2014-11-11 04:18:22 -05:00
|
|
|
|
|
|
|
sort.Strings(actual)
|
|
|
|
sort.Strings(expected)
|
|
|
|
if !reflect.DeepEqual(expected, actual) {
|
|
|
|
t.Fatalf("achive does not contains the right layers: got %v, expected %v", actual, expected)
|
|
|
|
}
|
|
|
|
|
|
|
|
logDone("save - save repository with multiple images")
|
|
|
|
}
|
|
|
|
|
2014-09-06 07:49:40 -04:00
|
|
|
// Issue #6722 #5892 ensure directories are included in changes
|
|
|
|
func TestSaveDirectoryPermissions(t *testing.T) {
|
|
|
|
layerEntries := []string{"opt/", "opt/a/", "opt/a/b/", "opt/a/b/c"}
|
2014-09-19 14:08:57 -04:00
|
|
|
layerEntriesAUFS := []string{"./", ".wh..wh.aufs", ".wh..wh.orph/", ".wh..wh.plnk/", "opt/", "opt/a/", "opt/a/b/", "opt/a/b/c"}
|
2014-09-06 07:49:40 -04:00
|
|
|
|
|
|
|
name := "save-directory-permissions"
|
|
|
|
tmpDir, err := ioutil.TempDir("", "save-layers-with-directories")
|
|
|
|
if err != nil {
|
|
|
|
t.Errorf("failed to create temporary directory: %s", err)
|
|
|
|
}
|
2014-10-14 16:22:06 -04:00
|
|
|
extractionDirectory := filepath.Join(tmpDir, "image-extraction-dir")
|
|
|
|
os.Mkdir(extractionDirectory, 0777)
|
|
|
|
|
2014-09-06 07:49:40 -04:00
|
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
defer deleteImages(name)
|
|
|
|
_, err = buildImage(name,
|
|
|
|
`FROM busybox
|
|
|
|
RUN adduser -D user && mkdir -p /opt/a/b && chown -R user:user /opt/a
|
|
|
|
RUN touch /opt/a/b/c && chown user:user /opt/a/b/c`,
|
|
|
|
true)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatal(err)
|
|
|
|
}
|
|
|
|
|
2015-02-24 18:52:06 -05:00
|
|
|
if out, _, err := runCommandPipelineWithOutput(
|
|
|
|
exec.Command(dockerBinary, "save", name),
|
|
|
|
exec.Command("tar", "-xf", "-", "-C", extractionDirectory),
|
|
|
|
); err != nil {
|
2014-09-06 07:49:40 -04:00
|
|
|
t.Errorf("failed to save and extract image: %s", out)
|
|
|
|
}
|
|
|
|
|
|
|
|
dirs, err := ioutil.ReadDir(extractionDirectory)
|
|
|
|
if err != nil {
|
|
|
|
t.Errorf("failed to get a listing of the layer directories: %s", err)
|
|
|
|
}
|
|
|
|
|
|
|
|
found := false
|
|
|
|
for _, entry := range dirs {
|
2015-02-25 18:53:07 -05:00
|
|
|
var entriesSansDev []string
|
2014-09-06 07:49:40 -04:00
|
|
|
if entry.IsDir() {
|
|
|
|
layerPath := filepath.Join(extractionDirectory, entry.Name(), "layer.tar")
|
|
|
|
|
|
|
|
f, err := os.Open(layerPath)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("failed to open %s: %s", layerPath, err)
|
|
|
|
}
|
|
|
|
|
|
|
|
entries, err := ListTar(f)
|
2015-02-01 19:42:35 -05:00
|
|
|
for _, e := range entries {
|
|
|
|
if !strings.Contains(e, "dev/") {
|
|
|
|
entriesSansDev = append(entriesSansDev, e)
|
|
|
|
}
|
|
|
|
}
|
2014-09-06 07:49:40 -04:00
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("encountered error while listing tar entries: %s", err)
|
|
|
|
}
|
|
|
|
|
2015-02-01 19:42:35 -05:00
|
|
|
if reflect.DeepEqual(entriesSansDev, layerEntries) || reflect.DeepEqual(entriesSansDev, layerEntriesAUFS) {
|
2014-09-06 07:49:40 -04:00
|
|
|
found = true
|
2014-09-19 14:08:57 -04:00
|
|
|
break
|
2014-09-06 07:49:40 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if !found {
|
|
|
|
t.Fatalf("failed to find the layer with the right content listing")
|
|
|
|
}
|
|
|
|
|
|
|
|
logDone("save - ensure directories exist in exported layers")
|
|
|
|
}
|