Improve debug logging to make it faster to understand

This change clearly labels each section that's printed to make it easier
to identify the interesting parts.

This also adds SUBMAN_DEBUG_PRINT_TRACEBACKS flag to print the traceback
directly to stdout.

src/rhsm/connection.py

@@ -874,12 +874,14 @@ def _print_debug_info_about_request(
                 and self.__conn is not None
                 and self.__conn.sock is not None
             ):
+                msg += green_col + "TCP socket:\n" + end_col
                 msg += blue_col + f"{self.__conn.sock}\n" + end_col
 
             # When proxy server is used, then print some additional information about proxy connection
             if self.proxy_hostname and self.proxy_port:
+                msg += green_col + "Proxy:\n" + end_col
                 # Note: using only https:// is not a mistake. We use only https for proxy connection.
-                msg += blue_col + "Using proxy: " + magenta_col + "https://"
+                msg += magenta_col + "https://"
                 # Print username and eventually password
                 if self.proxy_user:
                     if self.proxy_user and self.proxy_password:
@@ -897,24 +899,31 @@ def _print_debug_info_about_request(
                     msg += blue_col + f" {tunel_headers}" + end_col
                 msg += "\n"
 
-            if self.insecure is True:
-                msg += blue_col + f"Making insecure ({auth}) request:" + end_col
-            else:
-                msg += blue_col + f"Making ({auth}) request:" + end_col
+            msg += green_col + "Request:\n" + end_col
             msg += (
                 red_col
-                + " https://"
+                + "https://"
                 + f"{normalized_host(self.host)}:{safe_int(self.ssl_port)}{handler} {request_type}"
                 + end_col
             )
+            if self.insecure:
+                msg += blue_col + f" using insecure {auth}\n" + end_col
+            else:
+                msg += blue_col + f" using {auth}\n" + end_col
 
             if os.environ.get("SUBMAN_DEBUG_PRINT_REQUEST_HEADER", ""):
-                msg += blue_col + " %s" % final_headers + end_col
+                msg += green_col + "Headers:\n" + end_col
+                msg += blue_col + "%s" % final_headers + end_col
             if os.environ.get("SUBMAN_DEBUG_PRINT_REQUEST_BODY", "") and body is not None:
-                msg += yellow_col + " %s" % body + end_col
+                msg += green_col + "Body:\n" + end_col
+                msg += yellow_col + "%s" % body + end_col
             print()
             print(msg)
-            print()
+
+            if os.environ.get("SUBMAN_DEBUG_PRINT_TRACEBACKS", ""):
+                print(green_col + "Traceback:" + end_col)
+                traceback.print_stack(file=sys.stdout)
+
             if os.environ.get("SUBMAN_DEBUG_SAVE_TRACEBACKS", ""):
                 debug_dir = Path("/tmp/rhsm/")
                 debug_dir.mkdir(exist_ok=True)
@@ -933,8 +942,10 @@ def _print_debug_info_about_request(
                 with debug_log.open("w", encoding="utf-8") as handle:
                     traceback.print_stack(file=handle)
 
-                print(green_col + f"Traceback saved to {str(debug_log)}." + end_col)
-                print()
+                print(green_col + "Traceback file:" + end_col)
+                print(f"{str(debug_log)}" + end_col)
+
+            print()
 
     @staticmethod
     def _print_debug_info_about_response(result: dict) -> None:
@@ -947,9 +958,14 @@ def _print_debug_info_about_response(result: dict) -> None:
 
         if os.environ.get("SUBMAN_DEBUG_PRINT_RESPONSE", ""):
             gray_col = "\033[90m"
+            green_col = "\033[92m"
             end_col = "\033[0m"
-            print(gray_col + "%s %s" % (result["status"], result["headers"]))
-            print(result["content"] + end_col)
+
+            print(green_col + "Response:" + end_col)
+            print(gray_col + "%s %s" % (result["status"], result["headers"]) + end_col)
+            if result["content"]:
+                print(green_col + "Response content:" + end_col)
+                print(gray_col + result["content"] + end_col)
             print()
 
     def _set_accept_language_in_header(self) -> None: