Cleanups: Fix many issues reported by staticcheck.io (#837)

* Lint: Fix ST1005: error strings should not be capitalized

* Cleanup: Fix a lot of staticcheck.io warnings

commands/getZones.go

@@ -229,9 +229,8 @@ func GetZone(args GetZoneArgs) error {
 
 		case "tsv":
 			for _, rec := range recs {
-				fmt.Fprintf(w,
-					fmt.Sprintf("%s\t%s\t%d\tIN\t%s\t%s\n",
-						rec.NameFQDN, rec.Name, rec.TTL, rec.Type, rec.GetTargetCombined()))
+				fmt.Fprintf(w, "%s\t%s\t%d\tIN\t%s\t%s\n",
+					rec.NameFQDN, rec.Name, rec.TTL, rec.Type, rec.GetTargetCombined())
 			}
 
 		default:

integrationTest/integration_test.go

@@ -65,7 +65,7 @@ func TestDNSProviders(t *testing.T) {
 	if provider == nil {
 		return
 	}
-	t.Run(fmt.Sprintf("%s", domain), func(t *testing.T) {
+	t.Run(domain, func(t *testing.T) {
 		runTests(t, provider, domain, fails, cfg)
 	})
 

models/dnsrr.go

@@ -45,8 +45,7 @@ func (rc *RecordConfig) String() string {
 func RRstoRCs(rrs []dns.RR, origin string) Records {
 	rcs := make(Records, 0, len(rrs))
 	for _, r := range rrs {
-		var rc RecordConfig
-		rc = RRtoRC(r, origin)
+		rc := RRtoRC(r, origin)
 		rcs = append(rcs, &rc)
 	}
 	return rcs

models/record.go

@@ -414,5 +414,4 @@ func downcase(recs []*RecordConfig) {
 			// TODO: we'd like to panic here, but custom record types complicate things.
 		}
 	}
-	return
 }

pkg/normalize/validate.go

@@ -317,15 +317,15 @@ func ValidateAndNormalizeConfig(config *models.DNSConfig) (errs []error) {
 					errs = append(errs, fmt.Errorf("CAA tag %s is invalid", rec.CaaTag))
 				}
 			} else if rec.Type == "TLSA" {
-				if rec.TlsaUsage < 0 || rec.TlsaUsage > 3 {
+				if rec.TlsaUsage > 3 {
 					errs = append(errs, fmt.Errorf("TLSA Usage %d is invalid in record %s (domain %s)",
 						rec.TlsaUsage, rec.GetLabel(), domain.Name))
 				}
-				if rec.TlsaSelector < 0 || rec.TlsaSelector > 1 {
+				if rec.TlsaSelector > 1 {
 					errs = append(errs, fmt.Errorf("TLSA Selector %d is invalid in record %s (domain %s)",
 						rec.TlsaSelector, rec.GetLabel(), domain.Name))
 				}
-				if rec.TlsaMatchingType < 0 || rec.TlsaMatchingType > 2 {
+				if rec.TlsaMatchingType > 2 {
 					errs = append(errs, fmt.Errorf("TLSA MatchingType %d is invalid in record %s (domain %s)",
 						rec.TlsaMatchingType, rec.GetLabel(), domain.Name))
 				}

pkg/prettyzone/prettyzone.go

@@ -84,9 +84,7 @@ func PrettySort(records models.Records, origin string, defaultTTL uint32, commen
 		z.DefaultTTL = 300
 	}
 	z.Records = nil
-	for _, r := range records {
-		z.Records = append(z.Records, r)
-	}
+	z.Records = append(z.Records, records...)
 	return z
 }
 

pkg/spflib/flatten.go

@@ -118,9 +118,7 @@ func (s *SPFRecord) Flatten(spec string) *SPFRecord {
 			// flatten child recursively
 			flattenedChild := p.IncludeRecord.Flatten(spec)
 			// include their parts (skipping final all term)
-			for _, childPart := range flattenedChild.Parts[:len(flattenedChild.Parts)-1] {
-				newRec.Parts = append(newRec.Parts, childPart)
-			}
+			newRec.Parts = append(newRec.Parts, flattenedChild.Parts[:len(flattenedChild.Parts)-1]...)
 		}
 	}
 	return newRec

providers/activedir/domains.go

@@ -311,7 +311,7 @@ func (c *adProvider) generatePowerShellModify(domainname, recName, recType, oldC
 	text += "Set-DnsServerResourceRecord"
 	text += fmt.Sprintf(` -ComputerName "%s"`, c.adServer)
 	text += fmt.Sprintf(` -ZoneName "%s"`, domainname)
-	text += fmt.Sprintf(` -NewInputObject $NewObj -OldInputObject $OldObj`)
+	text += ` -NewInputObject $NewObj -OldInputObject $OldObj`
 	text += "\r\n"
 
 	return text

providers/azuredns/azureDnsProvider.go

@@ -173,8 +173,7 @@ func (a *azureDNSProvider) getExistingRecords(domain string) (models.Records, []
 	if !ok {
 		return nil, nil, "", errNoExist{domain}
 	}
-	var zoneName string
-	zoneName = *zone.Name
+	zoneName := *zone.Name
 	records, err := a.fetchRecordSets(zoneName)
 	if err != nil {
 		return nil, nil, "", err

providers/bind/bindProvider.go

@@ -157,6 +157,7 @@ func (c *Bind) GetZoneRecords(domain string) (models.Records, error) {
 
 	for rr, ok := zp.Next(); ok; rr, ok = zp.Next() {
 		rec := models.RRtoRC(rr, domain)
+		// FIXME(tlim): Empty branch?  Is the intention to skip SOAs?
 		if rec.Type == "SOA" {
 		}
 		foundRecords = append(foundRecords, &rec)

providers/cloudflare/cloudflareProvider.go

@@ -447,9 +447,7 @@ func newCloudflare(m map[string]string, metadata json.RawMessage) (providers.DNS
 		}
 		api.manageRedirects = parsedMeta.ManageRedirects
 		// ignored_labels:
-		for _, l := range parsedMeta.IgnoredLabels {
-			api.ignoredLabels = append(api.ignoredLabels, l)
-		}
+		api.ignoredLabels = append(api.ignoredLabels, parsedMeta.IgnoredLabels...)
 		if len(api.ignoredLabels) > 0 {
 			printer.Warnf("Cloudflare 'ignored_labels' configuration is deprecated and might be removed. Please use the IGNORE domain directive to achieve the same effect.\n")
 		}

providers/cloudflare/rest.go

@@ -38,9 +38,7 @@ func (c *CloudflareAPI) fetchDomainList() error {
 		}
 		for _, zone := range zr.Result {
 			c.domainIndex[zone.Name] = zone.ID
-			for _, ns := range zone.Nameservers {
-				c.nameservers[zone.Name] = append(c.nameservers[zone.Name], ns)
-			}
+			c.nameservers[zone.Name] = append(c.nameservers[zone.Name], zone.Nameservers...)
 		}
 		ri := zr.ResultInfo
 		if len(zr.Result) == 0 || ri.Page*ri.PerPage >= ri.TotalCount {

providers/desec/desecProvider.go

@@ -204,8 +204,7 @@ func (c *api) GenerateDomainCorrections(dc *models.DomainConfig, existing models
 			}
 		}
 	}
-	var msg string
-	msg = fmt.Sprintf("Changes:\n%s", buf)
+	msg := fmt.Sprintf("Changes:\n%s", buf)
 	corrections = append(corrections,
 		&models.Correction{
 			Msg: msg,

providers/digitalocean/digitaloceanProvider.go

@@ -186,9 +186,7 @@ func getRecords(api *DoAPI, name string) ([]godo.DomainRecord, error) {
 			return nil, err
 		}
 
-		for _, d := range result {
-			records = append(records, d)
-		}
+		records = append(records, result...)
 
 		if resp.Links == nil || resp.Links.IsLastPage() {
 			break

providers/internetbs/api.go

@@ -36,9 +36,7 @@ func (c *api) getNameservers(domain string) ([]string, error) {
 	var dr domainRecord
 	json.Unmarshal(bodyString, &dr)
 	ns := []string{}
-	for _, nameserver := range dr.Nameserver {
-		ns = append(ns, nameserver)
-	}
+	ns = append(ns, dr.Nameserver...)
 	return ns, nil
 }
 

providers/namedotcom/zones.go

@@ -9,7 +9,7 @@ func (c *NameCom) ListZones() ([]string, error) {
 	var names []string
 	var page int32
 
-	for true {
+	for {
 		n, err := c.client.ListDomains(&namecom.ListDomainsRequest{Page: page})
 		if err != nil {
 			return nil, err

providers/octodns/octoyaml/write.go

@@ -23,9 +23,7 @@ func WriteYaml(w io.Writer, records models.Records, origin string) error {
 
 	// Make a copy of the records, since we want to sort and muck with them.
 	recsCopy := models.Records{}
-	for _, r := range records {
-		recsCopy = append(recsCopy, r)
-	}
+	recsCopy = append(recsCopy, records...)
 	for _, r := range recsCopy {
 		if r.GetLabel() == "@" {
 			//r.Name = ""