Merge pull request #5246 from mloiseleur/chore/golangci-lint-action

chore(ci): update linter to v2.0.2

.github/workflows/lint.yaml

@@ -9,8 +9,12 @@ jobs:
     name: Markdown, Go and OAS
     runs-on: ubuntu-latest
     permissions:
-      contents: read  #  to fetch code (actions/checkout)
+      # Required: allow read access to the content for analysis.
+      contents: read
+      # For OAS check
       checks: write
+      # For go lang linter
+      pull-requests: read
     steps:
 
     - name: Check out code into the Go module directory
@@ -40,11 +44,11 @@ jobs:
 
     # https://github.com/golangci/golangci-lint-action?tab=readme-ov-file#verify
     - name: Verify linter configuration and Lint go code
-      uses: golangci/golangci-lint-action@v6
+      uses: golangci/golangci-lint-action@v7
       with:
         verify: true
         args: --timeout=30m
-        version: v1.64
+        version: v2.0
 
       # Run Spectral
     - name: Lint OpenAPI spec

.golangci.yml

@@ -1,51 +1,40 @@
-linters-settings:
-  exhaustive:
-    default-signifies-exhaustive: false
-  goimports:
-    local-prefixes: sigs.k8s.io/external-dns
-  misspell:
-    locale: US
-  revive:
-    ignore-generated-header: true
-    rules:
-      - name: confusing-naming
-        disabled: true
-
+version: "2"
 linters:
-  # please, do not use `enable-all`: it's deprecated and will be removed soon.
-  # inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
-  disable-all: true
+  default: none
   enable:
     - dogsled
-    - gofmt
-    - goimports
     - goprintffuncname
     - govet
     - ineffassign
     - misspell
-    - rowserrcheck
-    - typecheck
-    - unconvert
-    - whitespace
     - revive
-    - unused
-    - gosimple
+    - rowserrcheck
     - staticcheck
-
-issues:
-  # Excluding configuration per-path, per-linter, per-text and per-source
-  exclude-files:
-    - endpoint/zz_generated.deepcopy.go
-  exclude-rules:
-    - path: _test\.go
-      linters:
+    - unconvert
+    - unused
+    - whitespace
+  settings:
+    exhaustive:
+      default-signifies-exhaustive: false
+    misspell:
+      locale: US
+    revive:
+      rules:
+        - name: confusing-naming
+          disabled: true
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    rules:
+      - linters:
           - deadcode
           - depguard
           - dogsled
-        - gofmt
-        - goimports
           - goprintffuncname
-        - gosimple
           - govet
           - ineffassign
           - misspell
@@ -53,17 +42,29 @@ issues:
           - rowserrcheck
           - staticcheck
           - structcheck
-        - stylecheck
-        - typecheck
           - unconvert
           - unused
           - varcheck
           - whitespace
-    - path: source/ambassador_host.go
-      linters: [ typecheck ]
-    - path: source/contour_httpproxy.go
-      linters: [ typecheck ]
-    - path: source/f5_virtualserver.go
-      linters: [ typecheck ]
-    - path: source/kong_tcpingress.go
-      linters: [ typecheck ]
+        path: _test\.go
+    paths:
+      - endpoint/zz_generated.deepcopy.go
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
+  enable:
+    - gofmt
+    - goimports
+  settings:
+    goimports:
+      local-prefixes:
+        - sigs.k8s.io/external-dns
+  exclusions:
+    generated: lax
+    paths:
+      - endpoint/zz_generated.deepcopy.go
+      - third_party$
+      - builtin$
+      - examples$
+      - _test\.go

Makefile

@@ -37,7 +37,7 @@ endif
 
 #? golangci-lint: Install golangci-lint tool
 golangci-lint:
-	@command -v golangci-lint > /dev/null || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.64.5
+	@command -v golangci-lint > /dev/null || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.0.2
 
 #? golangci-lint-verify: Verify golangci-lint configuration
 golangci-lint-verify: golangci-lint

internal/gen/docs/flags/main.go

@@ -55,7 +55,7 @@ func main() {
 	flags := computeFlags()
 	content, err := flags.generateMarkdownTable()
 	if err != nil {
-		_ = fmt.Errorf("failed to generate markdown file '%s': %v\n", path, err.Error())
+		_ = fmt.Errorf("failed to generate markdown file '%s': %v", path, err.Error())
 	}
 	content = content + "\n"
 	_ = utils.WriteToFile(path, content)

pkg/rfc2317/arpa.go

@@ -72,17 +72,18 @@ func CidrToInAddr(cidr string) (string, error) {
 	}
 
 	// Handle IPv4 Class-full and IPv6:
-	if total == 32 {
+	switch total {
+	case 32:
 		if bits%8 != 0 {
 			return "", fmt.Errorf("IPv4 mask must be multiple of 8 bits")
 		}
 		toTrim = (total - bits) / 8
-	} else if total == 128 {
+	case 128:
 		if bits%4 != 0 {
 			return "", fmt.Errorf("IPv6 mask must be multiple of 4 bits")
 		}
 		toTrim = (total - bits) / 4
-	} else {
+	default:
 		return "", fmt.Errorf("invalid address (not IPv4 or IPv6): %v", cidr)
 	}
 

provider/akamai/akamai.go

@@ -321,11 +321,12 @@ func newAkamaiRecordset(dnsName, recordType string, ttl int, targets []string) d
 // cleanTargets preps recordset rdata if necessary for EdgeDNS
 func cleanTargets(rtype string, targets ...string) []string {
 	log.Debugf("Targets to clean: [%v]", targets)
-	if rtype == "CNAME" || rtype == "SRV" {
+	switch rtype {
+	case "CNAME", "SRV":
 		for idx, target := range targets {
 			targets[idx] = strings.TrimSuffix(target, ".")
 		}
-	} else if rtype == "TXT" {
+	case "TXT":
 		for idx, target := range targets {
 			log.Debugf("TXT data to clean: [%s]", target)
 			// need to embed text data in quotes. Make sure not piling on
@@ -359,7 +360,7 @@ func trimTxtRdata(rdata []string, rtype string) []string {
 func ttlAsInt(src endpoint.TTL) int {
 	var temp interface{} = int64(src)
 	temp64 := temp.(int64)
-	var ttl int = edgeDNSRecordTTL
+	var ttl = edgeDNSRecordTTL
 	if temp64 > 0 && temp64 <= int64(maxInt) {
 		ttl = int(temp64)
 	}

provider/alibabacloud/alibaba_cloud.go

@@ -492,7 +492,7 @@ func (p *AlibabaCloudProvider) escapeTXTRecordValue(value string) string {
 
 func (p *AlibabaCloudProvider) unescapeTXTRecordValue(value string) string {
 	if strings.HasPrefix(value, "heritage=") {
-		return fmt.Sprintf("\"%s\"", strings.Replace(value, ";", ",", -1))
+		return fmt.Sprintf("\"%s\"", strings.ReplaceAll(value, ";", ","))
 	}
 	return value
 }

provider/cloudflare/cloudflare.go

@@ -673,7 +673,7 @@ func (p *CloudFlareProvider) listDNSRecordsWithAutoPagination(ctx context.Contex
 			records[newDNSRecordIndex(r)] = r
 		}
 		params.ResultInfo = resultInfo.Next()
-		if params.ResultInfo.Done() {
+		if params.Done() {
 			break
 		}
 	}

provider/gandi/gandi.go

@@ -54,7 +54,7 @@ type GandiProvider struct {
 func NewGandiProvider(ctx context.Context, domainFilter endpoint.DomainFilter, dryRun bool) (*GandiProvider, error) {
 	key, ok_key := os.LookupEnv("GANDI_KEY")
 	pat, ok_pat := os.LookupEnv("GANDI_PAT")
-	if !(ok_key || ok_pat) {
+	if !ok_key && !ok_pat {
 		return nil, errors.New("no environment variable GANDI_KEY or GANDI_PAT provided")
 	}
 	if ok_key {

provider/ovh/ovh.go

@@ -588,7 +588,7 @@ func (p OVHProvider) newOvhChangeUpdate(endpointsOld []*endpoint.Endpoint, endpo
 		toInsertTarget := []string{}
 
 		for _, target := range endpointsNew.Targets {
-			var toDelete int = -1
+			var toDelete = -1
 
 			for i, record := range oldRecords {
 				if target == record.Target {

provider/plural/plural.go

@@ -48,7 +48,7 @@ func NewPluralProvider(cluster, provider string) (*PluralProvider, error) {
 	endpoint := os.Getenv("PLURAL_ENDPOINT")
 
 	if token == "" {
-		return nil, fmt.Errorf("No plural access token provided, you must set the PLURAL_ACCESS_TOKEN env var")
+		return nil, fmt.Errorf("no plural access token provided, you must set the PLURAL_ACCESS_TOKEN env var")
 	}
 
 	config := &Config{

provider/provider.go

@@ -30,7 +30,7 @@ import (
 // SoftError is an error, that provider will only log as error instead
 // of fatal. It is meant for error propagation from providers to tell
 // that this is a transient error.
-var SoftError error = errors.New("soft error")
+var SoftError error = errors.New("soft error") //nolint:staticcheck
 
 // NewSoftErrorf creates a SoftError with formats according to a format specifier and returns the string as a
 func NewSoftErrorf(format string, a ...any) error {

provider/tencentcloud/cloudapi/tencentapi.go

@@ -238,13 +238,14 @@ func (api *defaultTencentAPIService) ModifyRecord(request *dnspod.ModifyRecordRe
 func dealWithError(action Action, request string, err error) bool {
 	log.Errorf("dealWithError %s/%s request: %s, error: %s.", action.Service, action.Name, request, err.Error())
 	if sdkError, ok := err.(*errors.TencentCloudSDKError); ok {
-		if sdkError.Code == "RequestLimitExceeded" {
+		switch sdkError.Code {
+		case "RequestLimitExceeded":
 			return true
-		} else if sdkError.Code == "InternalError" || sdkError.Code == "ClientError.HttpStatusCodeError" {
+		case "InternalError", "ClientError.HttpStatusCodeError":
 			return false
-		} else if sdkError.Code == "ClientError.NetworkError" {
+		case "ClientError.NetworkError":
 			return false
-		} else if sdkError.Code == "AuthFailure.UnauthorizedOperation" || sdkError.Code == "UnauthorizedOperation.CamNoAuth" {
+		case "AuthFailure.UnauthorizedOperation", "UnauthorizedOperation.CamNoAuth":
 			return false
 		}
 		return false

provider/ultradns/ultradns.go

@@ -292,9 +292,10 @@ func (p *UltraDNSProvider) submitChanges(ctx context.Context, changes []*UltraDN
 
 	for zoneName, changes := range zoneChanges {
 		for _, change := range changes {
-			if change.ResourceRecordSetUltraDNS.RRType == "CNAME" {
+			switch change.ResourceRecordSetUltraDNS.RRType {
+			case "CNAME":
 				cnameownerName = change.ResourceRecordSetUltraDNS.OwnerName
-			} else if change.ResourceRecordSetUltraDNS.RRType == "TXT" {
+			case "TXT":
 				txtownerName = change.ResourceRecordSetUltraDNS.OwnerName
 			}
 

source/compatibility.go

@@ -89,7 +89,7 @@ func legacyEndpointsFromMoleculeService(svc *v1.Service) []*endpoint.Endpoint {
 		return nil
 	}
 
-	hostnameList := strings.Split(strings.Replace(hostnameAnnotation, " ", "", -1), ",")
+	hostnameList := strings.Split(strings.ReplaceAll(hostnameAnnotation, " ", ""), ",")
 
 	for _, hostname := range hostnameList {
 		// Create a corresponding endpoint for each configured external entrypoint.
@@ -145,9 +145,9 @@ func legacyEndpointsFromDNSControllerNodePortService(svc *v1.Service, sc *servic
 
 	var hostnameList []string
 	if isExternal {
-		hostnameList = strings.Split(strings.Replace(hostnameAnnotation, " ", "", -1), ",")
+		hostnameList = strings.Split(strings.ReplaceAll(hostnameAnnotation, " ", ""), ",")
 	} else {
-		hostnameList = strings.Split(strings.Replace(internalHostnameAnnotation, " ", "", -1), ",")
+		hostnameList = strings.Split(strings.ReplaceAll(internalHostnameAnnotation, " ", ""), ",")
 	}
 
 	for _, hostname := range hostnameList {
@@ -186,10 +186,10 @@ func legacyEndpointsFromDNSControllerLoadBalancerService(svc *v1.Service) []*end
 
 	var hostnameList []string
 	if hasExternal {
-		hostnameList = append(hostnameList, strings.Split(strings.Replace(hostnameAnnotation, " ", "", -1), ",")...)
+		hostnameList = append(hostnameList, strings.Split(strings.ReplaceAll(hostnameAnnotation, " ", ""), ",")...)
 	}
 	if hasInternal {
-		hostnameList = append(hostnameList, strings.Split(strings.Replace(internalHostnameAnnotation, " ", "", -1), ",")...)
+		hostnameList = append(hostnameList, strings.Split(strings.ReplaceAll(internalHostnameAnnotation, " ", ""), ",")...)
 	}
 
 	for _, hostname := range hostnameList {

source/crd.go

@@ -96,7 +96,7 @@ func NewCRDClientForAPIVersionKind(client kubernetes.Interface, kubeConfig, apiS
 	scheme := runtime.NewScheme()
 	addKnownTypes(scheme, groupVersion)
 
-	config.ContentConfig.GroupVersion = &groupVersion
+	config.GroupVersion = &groupVersion
 	config.APIPath = "/apis"
 	config.NegotiatedSerializer = serializer.WithoutConversionCodecFactory{CodecFactory: serializer.NewCodecFactory(scheme)}
 
@@ -184,7 +184,7 @@ func (cs *crdSource) Endpoints(ctx context.Context) ([]*endpoint.Endpoint, error
 		crdEndpoints := []*endpoint.Endpoint{}
 		for _, ep := range dnsEndpoint.Spec.Endpoints {
 			if (ep.RecordType == "CNAME" || ep.RecordType == "A" || ep.RecordType == "AAAA") && len(ep.Targets) < 1 {
-				log.Warnf("Endpoint %s with DNSName %s has an empty list of targets", dnsEndpoint.ObjectMeta.Name, ep.DNSName)
+				log.Warnf("Endpoint %s with DNSName %s has an empty list of targets", dnsEndpoint.Name, ep.DNSName)
 				continue
 			}
 
@@ -200,7 +200,7 @@ func (cs *crdSource) Endpoints(ctx context.Context) ([]*endpoint.Endpoint, error
 				}
 			}
 			if illegalTarget {
-				log.Warnf("Endpoint %s with DNSName %s has an illegal target. The subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com')", dnsEndpoint.ObjectMeta.Name, ep.DNSName)
+				log.Warnf("Endpoint %s with DNSName %s has an illegal target. The subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com')", dnsEndpoint.Name, ep.DNSName)
 				continue
 			}
 
@@ -231,7 +231,7 @@ func (cs *crdSource) Endpoints(ctx context.Context) ([]*endpoint.Endpoint, error
 
 func (cs *crdSource) setResourceLabel(crd *endpoint.DNSEndpoint, endpoints []*endpoint.Endpoint) {
 	for _, ep := range endpoints {
-		ep.Labels[endpoint.ResourceLabelKey] = fmt.Sprintf("crd/%s/%s", crd.ObjectMeta.Namespace, crd.ObjectMeta.Name)
+		ep.Labels[endpoint.ResourceLabelKey] = fmt.Sprintf("crd/%s/%s", crd.Namespace, crd.Name)
 	}
 }
 

source/pod.go

@@ -152,7 +152,7 @@ func (ps *podSource) Endpoints(ctx context.Context) ([]*endpoint.Endpoint, error
 		}
 
 		if ps.podSourceDomain != "" {
-			domain := pod.ObjectMeta.Name + "." + ps.podSourceDomain
+			domain := pod.Name + "." + ps.podSourceDomain
 			if len(targets) == 0 {
 				addToEndpointMap(endpointMap, domain, suitableType(pod.Status.PodIP), pod.Status.PodIP)
 			}

source/service.go

@@ -694,7 +694,7 @@ func (sc *serviceSource) extractNodePortEndpoints(svc *v1.Service, hostname stri
 			// take the service name from the K8s Service object
 			// it is safe to use since it is DNS compatible
 			// see https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#dns-label-names
-			serviceName := svc.ObjectMeta.Name
+			serviceName := svc.Name
 
 			// figure out the protocol
 			protocol := strings.ToLower(string(port.Protocol))

source/skipper_routegroup.go

@@ -315,7 +315,7 @@ func (sc *routeGroupSource) endpointsFromTemplate(rg *routeGroup) ([]*endpoint.E
 
 	var endpoints []*endpoint.Endpoint
 	// splits the FQDN template and removes the trailing periods
-	hostnameList := strings.Split(strings.Replace(hostnames, " ", "", -1), ",")
+	hostnameList := strings.Split(strings.ReplaceAll(hostnames, " ", ""), ",")
 	for _, hostname := range hostnameList {
 		hostname = strings.TrimSuffix(hostname, ".")
 		endpoints = append(endpoints, endpointsForHostname(hostname, targets, ttl, providerSpecific, setIdentifier, resource)...)

source/source.go

@@ -179,7 +179,7 @@ func getInternalHostnamesFromAnnotations(annotations map[string]string) []string
 }
 
 func splitHostnameAnnotation(annotation string) []string {
-	return strings.Split(strings.Replace(annotation, " ", "", -1), ",")
+	return strings.Split(strings.ReplaceAll(annotation, " ", ""), ",")
 }
 
 func getAliasFromAnnotations(annotations map[string]string) bool {
@@ -251,7 +251,7 @@ func getTargetsFromTargetAnnotation(annotations map[string]string) endpoint.Targ
 	targetAnnotation, exists := annotations[targetAnnotationKey]
 	if exists && targetAnnotation != "" {
 		// splits the hostname annotation and removes the trailing periods
-		targetsList := strings.Split(strings.Replace(targetAnnotation, " ", "", -1), ",")
+		targetsList := strings.Split(strings.ReplaceAll(targetAnnotation, " ", ""), ",")
 		for _, targetHostname := range targetsList {
 			targetHostname = strings.TrimSuffix(targetHostname, ".")
 			targets = append(targets, targetHostname)