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199 lines
5.9 KiB
Go
199 lines
5.9 KiB
Go
![]() |
package client // import "github.com/docker/docker/client"
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"testing"
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"github.com/docker/docker/api/types"
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)
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func TestImagePullReferenceParseError(t *testing.T) {
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client := &Client{
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client: newMockClient(func(req *http.Request) (*http.Response, error) {
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return nil, nil
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}),
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}
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// An empty reference is an invalid reference
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_, err := client.ImagePull(context.Background(), "", types.ImagePullOptions{})
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if err == nil || !strings.Contains(err.Error(), "invalid reference format") {
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t.Fatalf("expected an error, got %v", err)
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}
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}
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func TestImagePullAnyError(t *testing.T) {
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client := &Client{
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client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
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}
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_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{})
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if err == nil || err.Error() != "Error response from daemon: Server error" {
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t.Fatalf("expected a Server Error, got %v", err)
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}
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}
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func TestImagePullStatusUnauthorizedError(t *testing.T) {
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client := &Client{
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client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")),
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}
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_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{})
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if err == nil || err.Error() != "Error response from daemon: Unauthorized error" {
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t.Fatalf("expected an Unauthorized Error, got %v", err)
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}
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}
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func TestImagePullWithUnauthorizedErrorAndPrivilegeFuncError(t *testing.T) {
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client := &Client{
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client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")),
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}
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privilegeFunc := func() (string, error) {
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return "", fmt.Errorf("Error requesting privilege")
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}
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_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{
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PrivilegeFunc: privilegeFunc,
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})
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if err == nil || err.Error() != "Error requesting privilege" {
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t.Fatalf("expected an error requesting privilege, got %v", err)
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}
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}
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func TestImagePullWithUnauthorizedErrorAndAnotherUnauthorizedError(t *testing.T) {
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client := &Client{
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client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")),
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}
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privilegeFunc := func() (string, error) {
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return "a-auth-header", nil
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}
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_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{
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PrivilegeFunc: privilegeFunc,
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})
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if err == nil || err.Error() != "Error response from daemon: Unauthorized error" {
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t.Fatalf("expected an Unauthorized Error, got %v", err)
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}
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}
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func TestImagePullWithPrivilegedFuncNoError(t *testing.T) {
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expectedURL := "/images/create"
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client := &Client{
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client: newMockClient(func(req *http.Request) (*http.Response, error) {
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if !strings.HasPrefix(req.URL.Path, expectedURL) {
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return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
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}
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auth := req.Header.Get("X-Registry-Auth")
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if auth == "NotValid" {
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return &http.Response{
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StatusCode: http.StatusUnauthorized,
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Body: ioutil.NopCloser(bytes.NewReader([]byte("Invalid credentials"))),
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}, nil
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}
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if auth != "IAmValid" {
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return nil, fmt.Errorf("Invalid auth header : expected %s, got %s", "IAmValid", auth)
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}
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query := req.URL.Query()
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fromImage := query.Get("fromImage")
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if fromImage != "myimage" {
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return nil, fmt.Errorf("fromimage not set in URL query properly. Expected '%s', got %s", "myimage", fromImage)
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}
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tag := query.Get("tag")
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if tag != "latest" {
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return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", "latest", tag)
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}
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return &http.Response{
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(bytes.NewReader([]byte("hello world"))),
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}, nil
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}),
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}
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privilegeFunc := func() (string, error) {
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return "IAmValid", nil
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}
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resp, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{
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RegistryAuth: "NotValid",
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PrivilegeFunc: privilegeFunc,
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})
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if err != nil {
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t.Fatal(err)
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}
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body, err := ioutil.ReadAll(resp)
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if err != nil {
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t.Fatal(err)
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}
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if string(body) != "hello world" {
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t.Fatalf("expected 'hello world', got %s", string(body))
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}
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}
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func TestImagePullWithoutErrors(t *testing.T) {
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expectedURL := "/images/create"
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expectedOutput := "hello world"
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pullCases := []struct {
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all bool
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reference string
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expectedImage string
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expectedTag string
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}{
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{
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all: false,
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reference: "myimage",
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expectedImage: "myimage",
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expectedTag: "latest",
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},
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{
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all: false,
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reference: "myimage:tag",
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expectedImage: "myimage",
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expectedTag: "tag",
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},
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{
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all: true,
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reference: "myimage",
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expectedImage: "myimage",
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expectedTag: "",
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},
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{
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all: true,
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reference: "myimage:anything",
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expectedImage: "myimage",
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expectedTag: "",
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},
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}
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for _, pullCase := range pullCases {
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client := &Client{
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client: newMockClient(func(req *http.Request) (*http.Response, error) {
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if !strings.HasPrefix(req.URL.Path, expectedURL) {
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return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
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}
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query := req.URL.Query()
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fromImage := query.Get("fromImage")
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if fromImage != pullCase.expectedImage {
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return nil, fmt.Errorf("fromimage not set in URL query properly. Expected '%s', got %s", pullCase.expectedImage, fromImage)
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}
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tag := query.Get("tag")
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if tag != pullCase.expectedTag {
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return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", pullCase.expectedTag, tag)
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}
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return &http.Response{
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(bytes.NewReader([]byte(expectedOutput))),
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}, nil
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}),
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}
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resp, err := client.ImagePull(context.Background(), pullCase.reference, types.ImagePullOptions{
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All: pullCase.all,
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})
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if err != nil {
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t.Fatal(err)
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}
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body, err := ioutil.ReadAll(resp)
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if err != nil {
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t.Fatal(err)
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}
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if string(body) != expectedOutput {
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t.Fatalf("expected '%s', got %s", expectedOutput, string(body))
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}
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}
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}
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