mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
368 lines
9.9 KiB
Go
368 lines
9.9 KiB
Go
package main
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import (
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"bytes"
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"encoding/json"
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/api/stats"
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"github.com/docker/docker/vendor/src/code.google.com/p/go/src/pkg/archive/tar"
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)
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func TestContainerApiGetAll(t *testing.T) {
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startCount, err := getContainerCount()
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if err != nil {
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t.Fatalf("Cannot query container count: %v", err)
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}
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name := "getall"
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runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("Error on container creation: %v, output: %q", err, out)
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}
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body, err := sockRequest("GET", "/containers/json?all=1", nil)
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if err != nil {
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t.Fatalf("GET all containers sockRequest failed: %v", err)
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}
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var inspectJSON []struct {
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Names []string
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}
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if err = json.Unmarshal(body, &inspectJSON); err != nil {
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t.Fatalf("unable to unmarshal response body: %v", err)
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}
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if len(inspectJSON) != startCount+1 {
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t.Fatalf("Expected %d container(s), %d found (started with: %d)", startCount+1, len(inspectJSON), startCount)
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}
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if actual := inspectJSON[0].Names[0]; actual != "/"+name {
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t.Fatalf("Container Name mismatch. Expected: %q, received: %q\n", "/"+name, actual)
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}
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deleteAllContainers()
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logDone("container REST API - check GET json/all=1")
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}
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func TestContainerApiGetExport(t *testing.T) {
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name := "exportcontainer"
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runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "touch", "/test")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("Error on container creation: %v, output: %q", err, out)
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}
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body, err := sockRequest("GET", "/containers/"+name+"/export", nil)
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if err != nil {
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t.Fatalf("GET containers/export sockRequest failed: %v", err)
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}
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found := false
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for tarReader := tar.NewReader(bytes.NewReader(body)); ; {
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h, err := tarReader.Next()
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if err != nil {
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if err == io.EOF {
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break
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}
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t.Fatal(err)
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}
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if h.Name == "test" {
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found = true
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break
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}
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}
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if !found {
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t.Fatalf("The created test file has not been found in the exported image")
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}
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deleteAllContainers()
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logDone("container REST API - check GET containers/export")
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}
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func TestContainerApiGetChanges(t *testing.T) {
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name := "changescontainer"
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runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "rm", "/etc/passwd")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("Error on container creation: %v, output: %q", err, out)
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}
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body, err := sockRequest("GET", "/containers/"+name+"/changes", nil)
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if err != nil {
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t.Fatalf("GET containers/changes sockRequest failed: %v", err)
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}
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changes := []struct {
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Kind int
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Path string
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}{}
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if err = json.Unmarshal(body, &changes); err != nil {
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t.Fatalf("unable to unmarshal response body: %v", err)
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}
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// Check the changelog for removal of /etc/passwd
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success := false
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for _, elem := range changes {
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if elem.Path == "/etc/passwd" && elem.Kind == 2 {
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success = true
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}
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}
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if !success {
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t.Fatalf("/etc/passwd has been removed but is not present in the diff")
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}
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deleteAllContainers()
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logDone("container REST API - check GET containers/changes")
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}
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func TestContainerApiStartVolumeBinds(t *testing.T) {
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defer deleteAllContainers()
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name := "testing"
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config := map[string]interface{}{
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"Image": "busybox",
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"Volumes": map[string]struct{}{"/tmp": {}},
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}
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if _, err := sockRequest("POST", "/containers/create?name="+name, config); err != nil && !strings.Contains(err.Error(), "201 Created") {
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t.Fatal(err)
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}
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bindPath, err := ioutil.TempDir(os.TempDir(), "test")
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if err != nil {
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t.Fatal(err)
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}
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config = map[string]interface{}{
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"Binds": []string{bindPath + ":/tmp"},
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}
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if _, err := sockRequest("POST", "/containers/"+name+"/start", config); err != nil && !strings.Contains(err.Error(), "204 No Content") {
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t.Fatal(err)
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}
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pth, err := inspectFieldMap(name, "Volumes", "/tmp")
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if err != nil {
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t.Fatal(err)
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}
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if pth != bindPath {
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t.Fatalf("expected volume host path to be %s, got %s", bindPath, pth)
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}
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logDone("container REST API - check volume binds on start")
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}
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func TestContainerApiStartVolumesFrom(t *testing.T) {
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defer deleteAllContainers()
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volName := "voltst"
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volPath := "/tmp"
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if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", volName, "-v", volPath, "busybox")); err != nil {
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t.Fatal(out, err)
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}
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name := "testing"
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config := map[string]interface{}{
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"Image": "busybox",
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"Volumes": map[string]struct{}{volPath: {}},
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}
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if _, err := sockRequest("POST", "/containers/create?name="+name, config); err != nil && !strings.Contains(err.Error(), "201 Created") {
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t.Fatal(err)
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}
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config = map[string]interface{}{
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"VolumesFrom": []string{volName},
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}
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if _, err := sockRequest("POST", "/containers/"+name+"/start", config); err != nil && !strings.Contains(err.Error(), "204 No Content") {
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t.Fatal(err)
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}
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pth, err := inspectFieldMap(name, "Volumes", volPath)
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if err != nil {
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t.Fatal(err)
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}
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pth2, err := inspectFieldMap(volName, "Volumes", volPath)
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if err != nil {
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t.Fatal(err)
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}
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if pth != pth2 {
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t.Fatalf("expected volume host path to be %s, got %s", pth, pth2)
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}
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logDone("container REST API - check VolumesFrom on start")
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}
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// Ensure that volumes-from has priority over binds/anything else
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// This is pretty much the same as TestRunApplyVolumesFromBeforeVolumes, except with passing the VolumesFrom and the bind on start
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func TestVolumesFromHasPriority(t *testing.T) {
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defer deleteAllContainers()
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volName := "voltst"
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volPath := "/tmp"
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if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", volName, "-v", volPath, "busybox")); err != nil {
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t.Fatal(out, err)
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}
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name := "testing"
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config := map[string]interface{}{
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"Image": "busybox",
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"Volumes": map[string]struct{}{volPath: {}},
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}
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if _, err := sockRequest("POST", "/containers/create?name="+name, config); err != nil && !strings.Contains(err.Error(), "201 Created") {
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t.Fatal(err)
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}
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bindPath, err := ioutil.TempDir(os.TempDir(), "test")
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if err != nil {
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t.Fatal(err)
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}
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config = map[string]interface{}{
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"VolumesFrom": []string{volName},
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"Binds": []string{bindPath + ":/tmp"},
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}
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if _, err := sockRequest("POST", "/containers/"+name+"/start", config); err != nil && !strings.Contains(err.Error(), "204 No Content") {
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t.Fatal(err)
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}
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pth, err := inspectFieldMap(name, "Volumes", volPath)
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if err != nil {
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t.Fatal(err)
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}
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pth2, err := inspectFieldMap(volName, "Volumes", volPath)
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if err != nil {
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t.Fatal(err)
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}
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if pth != pth2 {
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t.Fatalf("expected volume host path to be %s, got %s", pth, pth2)
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}
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logDone("container REST API - check VolumesFrom has priority")
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}
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func TestGetContainerStats(t *testing.T) {
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defer deleteAllContainers()
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var (
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name = "statscontainer"
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runCmd = exec.Command(dockerBinary, "run", "-d", "--name", name, "busybox", "top")
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)
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("Error on container creation: %v, output: %q", err, out)
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}
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type b struct {
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body []byte
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err error
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}
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bc := make(chan b, 1)
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go func() {
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body, err := sockRequest("GET", "/containers/"+name+"/stats", nil)
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bc <- b{body, err}
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}()
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// allow some time to stream the stats from the container
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time.Sleep(4 * time.Second)
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if _, err := runCommand(exec.Command(dockerBinary, "rm", "-f", name)); err != nil {
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t.Fatal(err)
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}
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// collect the results from the stats stream or timeout and fail
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// if the stream was not disconnected.
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select {
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case <-time.After(2 * time.Second):
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t.Fatal("stream was not closed after container was removed")
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case sr := <-bc:
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if sr.err != nil {
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t.Fatal(err)
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}
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dec := json.NewDecoder(bytes.NewBuffer(sr.body))
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var s *stats.Stats
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// decode only one object from the stream
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if err := dec.Decode(&s); err != nil {
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t.Fatal(err)
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}
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}
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logDone("container REST API - check GET containers/stats")
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}
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func TestBuildApiDockerfilePath(t *testing.T) {
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// Test to make sure we stop people from trying to leave the
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// build context when specifying the path to the dockerfile
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buffer := new(bytes.Buffer)
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tw := tar.NewWriter(buffer)
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defer tw.Close()
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dockerfile := []byte("FROM busybox")
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if err := tw.WriteHeader(&tar.Header{
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Name: "Dockerfile",
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Size: int64(len(dockerfile)),
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}); err != nil {
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t.Fatalf("failed to write tar file header: %v", err)
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}
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if _, err := tw.Write(dockerfile); err != nil {
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t.Fatalf("failed to write tar file content: %v", err)
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}
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if err := tw.Close(); err != nil {
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t.Fatalf("failed to close tar archive: %v", err)
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}
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out, err := sockRequestRaw("POST", "/build?dockerfile=../Dockerfile", buffer, "application/x-tar")
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if err == nil {
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t.Fatalf("Build was supposed to fail: %s", out)
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}
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if !strings.Contains(string(out), "must be within the build context") {
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t.Fatalf("Didn't complain about leaving build context: %s", out)
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}
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logDone("container REST API - check build w/bad Dockerfile path")
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}
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func TestBuildApiDockerfileSymlink(t *testing.T) {
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// Test to make sure we stop people from trying to leave the
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// build context when specifying a symlink as the path to the dockerfile
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buffer := new(bytes.Buffer)
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tw := tar.NewWriter(buffer)
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defer tw.Close()
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if err := tw.WriteHeader(&tar.Header{
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Name: "Dockerfile",
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Typeflag: tar.TypeSymlink,
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Linkname: "/etc/passwd",
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}); err != nil {
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t.Fatalf("failed to write tar file header: %v", err)
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}
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if err := tw.Close(); err != nil {
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t.Fatalf("failed to close tar archive: %v", err)
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}
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out, err := sockRequestRaw("POST", "/build", buffer, "application/x-tar")
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if err == nil {
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t.Fatalf("Build was supposed to fail: %s", out)
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}
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// The reason the error is "Cannot locate specified Dockerfile" is because
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// in the builder, the symlink is resolved within the context, therefore
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// Dockerfile -> /etc/passwd becomes etc/passwd from the context which is
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// a nonexistent file.
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if !strings.Contains(string(out), "Cannot locate specified Dockerfile: Dockerfile") {
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t.Fatalf("Didn't complain about leaving build context: %s", out)
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}
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logDone("container REST API - check build w/bad Dockerfile symlink path")
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}
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