chore: Use log.Fatalf instead of log.Printf and os.Exit (#2445)

Author: spring1843

hack/code/prices_gen.go

@@ -37,8 +37,7 @@ import (
 func main() {
 	flag.Parse()
 	if flag.NArg() != 1 {
-		log.Printf("Usage: %s pkg/cloudprovider/aws/zz_generated.pricing.go", os.Args[0])
-		os.Exit(1)
+		log.Fatalf("Usage: %s pkg/cloudprovider/aws/zz_generated.pricing.go", os.Args[0])
 	}
 
 	f, err := os.Create("pricing.heapprofile")

hack/docs/configuration_gen_docs.go

@@ -26,8 +26,7 @@ import (
 
 func main() {
 	if len(os.Args) != 2 {
-		log.Printf("Usage: %s path/to/markdown.md", os.Args[0])
-		os.Exit(1)
+		log.Fatalf("Usage: %s path/to/markdown.md", os.Args[0])
 	}
 	outputFileName := os.Args[1]
 	mdFile, err := os.ReadFile(outputFileName)

hack/docs/instancetypes_gen_docs.go

@@ -41,8 +41,7 @@ import (
 func main() {
 	flag.Parse()
 	if flag.NArg() != 1 {
-		log.Printf("Usage: %s path/to/markdown.md", os.Args[0])
-		os.Exit(1)
+		log.Fatalf("Usage: %s path/to/markdown.md", os.Args[0])
 	}
 
 	os.Setenv("AWS_SDK_LOAD_CONFIG", "true")

hack/docs/metrics_gen_docs.go

@@ -45,8 +45,7 @@ func (i metricInfo) qualifiedName() string {
 func main() {
 	flag.Parse()
 	if flag.NArg() != 2 {
-		log.Printf("Usage: %s path/to/metrics/controller path/to/markdown.md", os.Args[0])
-		os.Exit(1)
+		log.Fatalf("Usage: %s path/to/metrics/controller path/to/markdown.md", os.Args[0])
 	}
 	fset := token.NewFileSet()
 	var packages []*ast.Package