Fix: addon dependency package retrieving is not compatible to v-prefixed version (#6316)

pkg/addon/versioned_registry.go

@@ -161,7 +161,7 @@ func (i versionedRegistry) loadAddon(ctx context.Context, name, version string)
 	sort.Sort(sort.Reverse(versions))
 	addonVersion, availableVersions := chooseVersion(version, versions)
 	if addonVersion == nil {
-		return nil, errors.Errorf("specified version %s not exist", utils.Sanitize(version))
+		return nil, errors.Errorf("specified version %s for addon %s not exist", utils.Sanitize(version), name)
 	}
 	for _, chartURL := range addonVersion.URLs {
 		if !utils.IsValidURL(chartURL) {
@@ -231,6 +231,7 @@ func loadAddonPackage(addonName string, files []*loader.BufferedFile) (*WholeAdd
 }
 
 // chooseVersion will return the target version and all available versions
+// This function is not sensitive to v-prefix, which means if specifiedVersion=0.3.0, v0.3.0 can be chosen.
 func chooseVersion(specifiedVersion string, versions []*repo.ChartVersion) (*repo.ChartVersion, []string) {
 	var addonVersion *repo.ChartVersion
 	var availableVersions []string
@@ -241,7 +242,7 @@ func chooseVersion(specifiedVersion string, versions []*repo.ChartVersion) (*rep
 			continue
 		}
 		if len(specifiedVersion) != 0 {
-			if v.Version == specifiedVersion {
+			if utils.IgnoreVPrefix(v.Version) == utils.IgnoreVPrefix(specifiedVersion) {
 				addonVersion = versions[i]
 			}
 		} else {

pkg/addon/versioned_registry_test.go

@@ -51,13 +51,36 @@ func TestChooseAddonVersion(t *testing.T) {
 			},
 		},
 	}
-	targetVersion, availableVersion := chooseVersion("v1.2.0", versions)
-	assert.Equal(t, availableVersion, []string{"v1.4.0-beta1", "v1.3.6", "v1.2.0"})
-	assert.Equal(t, targetVersion.Version, "v1.2.0")
-
-	targetVersion, availableVersion = chooseVersion("", versions)
-	assert.Equal(t, availableVersion, []string{"v1.4.0-beta1", "v1.3.6", "v1.2.0"})
-	assert.Equal(t, targetVersion.Version, "v1.3.6")
+	avs := []string{"v1.4.0-beta1", "v1.3.6", "v1.2.0"}
+	for _, tc := range []struct {
+		name             string
+		specifiedVersion string
+		wantVersion      string
+		wantAVersions    []string
+	}{
+		{
+			name:             "choose specified",
+			specifiedVersion: "v1.2.0",
+			wantVersion:      "v1.2.0",
+			wantAVersions:    avs,
+		},
+		{
+			name:             "choose specified, ignore v prefix",
+			specifiedVersion: "1.2.0",
+			wantVersion:      "v1.2.0",
+			wantAVersions:    avs,
+		},
+		{
+			name:             "not specifying version, choose non-prerelease && highest version",
+			specifiedVersion: "",
+			wantVersion:      "v1.3.6",
+			wantAVersions:    avs,
+		},
+	} {
+		targetVersion, availableVersion := chooseVersion(tc.specifiedVersion, versions)
+		assert.Equal(t, availableVersion, tc.wantAVersions)
+		assert.Equal(t, targetVersion.Version, tc.wantVersion)
+	}
 }
 
 var versionedHandler http.HandlerFunc = func(writer http.ResponseWriter, request *http.Request) {

pkg/utils/strings.go

@@ -80,3 +80,8 @@ func Sanitize(s string) string {
 	s = strings.ReplaceAll(s, "\r", "")
 	return s
 }
+
+// IgnoreVPrefix removes the leading "v" from a string
+func IgnoreVPrefix(s string) string {
+	return strings.TrimPrefix(s, "v")
+}

pkg/utils/strings_test.go

@@ -26,3 +26,8 @@ func TestSanitize(t *testing.T) {
 	s := "abc\ndef\rgh"
 	require.Equal(t, "abcdefgh", Sanitize(s))
 }
+
+func TestIgnoreVPrefix(t *testing.T) {
+	require.Equal(t, "1.2.0", IgnoreVPrefix("v1.2.0"))
+	require.Equal(t, "1.2.0", IgnoreVPrefix("1.2.0"))
+}