bugfix-7226 print the proper error while installing charts, which was hided behind by debug block

Signed-off-by: openmohan <openmohan@gmail.com>

pkg/action/install.go

@@ -669,15 +669,12 @@ func (c *ChartPathOptions) LocateChart(name string, settings *cli.EnvSettings) (
 	}
 
 	filename, _, err := dl.DownloadTo(name, version, settings.RepositoryCache)
-	if err == nil {
-		lname, err := filepath.Abs(filename)
-		if err != nil {
-			return filename, err
-		}
-		return lname, nil
-	} else if settings.Debug {
+	if err != nil {
 		return filename, err
 	}
-
-	return filename, errors.Errorf("failed to download %q (hint: running `helm repo update` may help)", name)
+	lname, err := filepath.Abs(filename)
+	if err != nil {
+		return filename, err
+	}
+	return lname, nil
 }

pkg/action/install_test.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"net/http"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -29,9 +30,12 @@ import (
 	"github.com/stretchr/testify/assert"
 
 	"helm.sh/helm/v3/internal/test"
+	"helm.sh/helm/v3/internal/test/ensure"
 	"helm.sh/helm/v3/pkg/chartutil"
+	"helm.sh/helm/v3/pkg/cli"
 	kubefake "helm.sh/helm/v3/pkg/kube/fake"
 	"helm.sh/helm/v3/pkg/release"
+	"helm.sh/helm/v3/pkg/repo/repotest"
 	"helm.sh/helm/v3/pkg/storage/driver"
 	"helm.sh/helm/v3/pkg/time"
 )
@@ -566,3 +570,69 @@ func TestNameAndChartGenerateName(t *testing.T) {
 		})
 	}
 }
+
+func Test_LocateChart_WithURL_WithVerify(t *testing.T) {
+	rootDir := ensure.TempDir(t)
+	srv := repotest.NewServer(rootDir)
+	defer srv.Stop()
+
+	srv.LinkIndices()
+
+	_, err := srv.CopyCharts("testdata/charts/*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := http.Get(srv.URL() + "/chart.tgz")
+	res.Body.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	tests := []struct {
+		chartName     string
+		keyRingFile   string
+		name          string
+		wantErr       bool
+		wantErrString string
+	}{
+		{
+			chartName:     "chartTest-0.1.0.tgz",
+			keyRingFile:   "./testdata/pubring.gpg",
+			name:          "correct keyring",
+			wantErr:       false,
+			wantErrString: "",
+		},
+		{
+			chartName:     "chartTest-0.1.0.tgz",
+			keyRingFile:   "./testdata/keyring/pubringtemp.gpg",
+			name:          "bad keyring",
+			wantErr:       true,
+			wantErrString: "failed to load keyring:",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			absKeyRing, _ := filepath.Abs(tc.keyRingFile)
+
+			chartOptions := &ChartPathOptions{Keyring: absKeyRing, Verify: true}
+
+			downloader := cli.New()
+			downloader.RepositoryConfig = rootDir + "/repositories.yaml"
+			downloader.RepositoryCache = rootDir
+
+			var err error
+			_, err = chartOptions.LocateChart(srv.URL()+"/"+tc.chartName, downloader)
+			if (err != nil) != tc.wantErr {
+				t.Errorf("LocateChart() wantErr: %v, gotErr: %v", tc.wantErr, err)
+				return
+			}
+			if err != nil {
+				if !strings.Contains(err.Error(), tc.wantErrString) {
+					t.Errorf("LocateChart() improver error message received, got: %v, expected: %v*", err.Error(), tc.wantErrString)
+				}
+			}
+		})
+	}
+}

pkg/action/testdata/charts/chartTest-0.1.0.tgz.prov

@@ -0,0 +1,26 @@
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA512
+
+apiVersion: v2
+appVersion: 1.16.0
+description: A Helm chart for Kubernetes
+name: chartTest
+type: application
+version: 0.1.0
+
+...
+files:
+  chartTest-0.1.0.tgz: sha256:d00f9e13f91482b4a0e15b637f03045882d5fa6af0c65ed3b055096eb6351e7c
+-----BEGIN PGP SIGNATURE-----
+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+=3TqE
+-----END PGP SIGNATURE-----