[cherry-pick] Use golangci-lint 2.x (#130)

.golangci.yml

@@ -0,0 +1,28 @@
+version: "2"
+linters:
+  default: standard
+  enable:
+    - unparam
+
+formatters:
+  enable:
+    - gofmt
+    - goimports
+  settings:
+    gofmt:
+      rewrite-rules:
+        - pattern: 'interface{}'
+          replacement: 'any'
+
+issues:
+  max-same-issues: 100
+
+  exclude-files:
+    - generated.*\\.go
+
+  exclude-dirs:
+    - client
+    - vendor
+
+run:
+  timeout: 10m

Makefile

@@ -281,7 +281,7 @@ lint: $(BUILD_DIRS)
 	    --env GO111MODULE=on                                    \
 	    --env GOFLAGS="-mod=vendor"                             \
 	    $(BUILD_IMAGE)                                          \
-	    golangci-lint run --enable $(ADDTL_LINTERS) --timeout=30m --exclude-files="generated.*\.go$\" --exclude-dirs-use-default --exclude-dirs=client,vendor
+	    golangci-lint run
 
 $(BUILD_DIRS):
 	@mkdir -p $@

go.mod

@@ -1,8 +1,6 @@
 module stash.appscode.dev/etcd
 
-go 1.23.0
-
-toolchain go1.24.4
+go 1.24.0
 
 require (
 	github.com/spf13/cobra v1.8.0

pkg/util.go

@@ -194,7 +194,7 @@ func (opt *options) createRestorePods(memberPod corev1.Pod, args []string) (*cor
 
 	for _, vol := range memberPod.Spec.Volumes {
 		if vol.Name == dataVolume {
-			pvcName = vol.VolumeSource.PersistentVolumeClaim.ClaimName
+			pvcName = vol.PersistentVolumeClaim.ClaimName
 			break
 		}
 	}
@@ -285,7 +285,7 @@ func (opt *options) replaceOldDataWithRestoredData(restorePods []corev1.Pod) err
 		command := []string{StashEtcd, "replace"}
 		command = append(command, "--data-dir="+opt.etcd.dataDir)
 
-		execOut, err := opt.execCommandOnPod(&pod, pod.ObjectMeta.Name, command)
+		execOut, err := opt.execCommandOnPod(&pod, pod.Name, command)
 		if err != nil {
 			return err
 		}
@@ -388,7 +388,7 @@ func (opt *options) getEtcdMemberPods() ([]corev1.Pod, error) {
 		}
 		return []corev1.Pod{*pod}, nil
 	default:
-		return nil, errors.New("Could not find any member for etcd server")
+		return nil, errors.New("could not find any member for etcd server")
 	}
 }
 
@@ -422,7 +422,7 @@ func (opt *options) execCommandOnPod(pod *corev1.Pod, containerName string, comm
 		Tty:    true,
 	})
 	if err != nil {
-		return nil, fmt.Errorf("Could not execute: %v, reason: %s", err, execErr.String())
+		return nil, fmt.Errorf("could not execute: %v, reason: %s", err, execErr.String())
 	}
 
 	return execOut.Bytes(), nil
@@ -545,7 +545,7 @@ func (opt *options) getCredential(appBinding *appcatalog.AppBinding) ([]string,
 			tlsArgs = fmt.Sprintf("--key=%v", filepath.Join(opt.setupOptions.ScratchDir, EtcdClientKeyFile))
 			args = append(args, tlsArgs)
 		} else {
-			return nil, errors.New("Client cert and client key needed for TLS secured operation")
+			return nil, errors.New("client cert and client key needed for TLS secured operation")
 		}
 
 		return args, nil