wrap more errors

commands/getZones.go

@@ -139,11 +139,11 @@ func GetZone(args GetZoneArgs) error {
 	// Read it in:
 	providerConfigs, err = config.LoadProviderConfigs(args.CredsFile)
 	if err != nil {
-		return err
+		return fmt.Errorf("failed GetZone lpc(%q): %w", args.CredsFile, err)
 	}
 	provider, err := providers.CreateDNSProvider(args.ProviderName, providerConfigs[args.CredName], nil)
 	if err != nil {
-		return err
+		return fmt.Errorf("failed GetZone cdp: %w", err)
 	}
 
 	// decide which zones we need to convert
@@ -155,7 +155,7 @@ func GetZone(args GetZoneArgs) error {
 		}
 		zones, err = lister.ListZones()
 		if err != nil {
-			return err
+			return fmt.Errorf("failed GetZone LZ: %w", err)
 		}
 	}
 
@@ -165,7 +165,7 @@ func GetZone(args GetZoneArgs) error {
 		w, err = os.Create(args.OutputFile)
 	}
 	if err != nil {
-		return err
+		return fmt.Errorf("failed GetZone Create(%q): %w", args.OutputFile, err)
 	}
 	defer w.Close()
 
@@ -181,11 +181,12 @@ func GetZone(args GetZoneArgs) error {
 	for i, zone := range zones {
 		recs, err := provider.GetZoneRecords(zone)
 		if err != nil {
-			return err
+			return fmt.Errorf("failed GetZone gzr: %w", err)
 		}
 		zoneRecs[i] = recs
 	}
 
+
 	// Write the heading:
 
 	if args.OutputFormat == "js" || args.OutputFormat == "djs" {

commands/gz_test.go

@@ -35,7 +35,7 @@ func testFormat(t *testing.T, domain, format string) {
 
 	outfile, err := ioutil.TempFile("", outputFiletmpl)
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal(fmt.Errorf("gz can't TempFile %q: %w", outputFiletmpl, err))
 	}
 	defer os.Remove(outfile.Name())
 
@@ -52,19 +52,19 @@ func testFormat(t *testing.T, domain, format string) {
 	// Read the zonefile and convert
 	err = GetZone(gzargs)
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal(fmt.Errorf("can't GetZone: %w", err))
 	}
 
 	// Read the actual result:
 	got, err := ioutil.ReadFile(outfile.Name())
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal(fmt.Errorf("can't read actuals %q: %w", outfile.Name(), err))
 	}
 
 	// Read the expected result
 	want, err := ioutil.ReadFile(expectedFilename)
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal(fmt.Errorf("can't read expected %q: %w", outfile.Name(), err))
 	}
 
 	//	// Update got -> want
@@ -76,5 +76,4 @@ func testFormat(t *testing.T, domain, format string) {
 	if w, g := string(want), string(got); w != g {
 		t.Errorf("testFormat mismatch (-got +want):\n%s", diff.LineDiff(g, w))
 	}
-
 }