Merge pull request #7566 from kaovilai/biaOperationErrorsPluginName

Add confirm flag to velero plugin add

pkg/cmd/util/confirm/confirm.go

@@ -0,0 +1,57 @@
+package confirm
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/spf13/pflag"
+)
+
+type ConfirmOptions struct {
+	Confirm         bool
+	flagDescription string
+}
+
+func NewConfirmOptions() *ConfirmOptions {
+	return &ConfirmOptions{flagDescription: "Confirm action"}
+}
+
+func NewConfirmOptionsWithDescription(desc string) *ConfirmOptions {
+	return &ConfirmOptions{flagDescription: desc}
+}
+
+// Bind confirm flags.
+func (o *ConfirmOptions) BindFlags(flags *pflag.FlagSet) {
+	flags.BoolVar(&o.Confirm, "confirm", o.Confirm, o.flagDescription)
+}
+
+// GetConfirmation ensures that the user confirms the action before proceeding.
+func GetConfirmation(prompts ...string) bool {
+	reader := bufio.NewReader(os.Stdin)
+
+	for {
+		for i := range prompts {
+			fmt.Println(prompts[i])
+		}
+		fmt.Printf("Are you sure you want to continue (Y/N)? ")
+
+		confirmation, err := reader.ReadString('\n')
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "error reading user input: %v\n", err)
+			return false
+		}
+		confirmation = strings.TrimSpace(confirmation)
+		if len(confirmation) != 1 {
+			continue
+		}
+
+		switch strings.ToLower(confirmation) {
+		case "y":
+			return true
+		case "n":
+			return false
+		}
+	}
+}