Add --no-validate option to bypass CloudFormation template validation

Author: Taniya Mathur

publish.py

@@ -56,6 +56,7 @@ def __init__(self, verbose=False):
         self.s3_client = None
         self.cf_client = None
         self._is_lib_changed = False
+        self.skip_validation = False
 
     def log_verbose(self, message, style="dim"):
         """Log verbose messages if verbose mode is enabled"""
@@ -118,7 +119,7 @@ def print_usage(self):
         """Print usage information with Rich formatting"""
         self.console.print("\n[bold cyan]Usage:[/bold cyan]")
         self.console.print(
-            "  python3 publish.py <cfn_bucket_basename> <cfn_prefix> <region> [public] [--max-workers N] [--verbose]"
+            "  python3 publish.py <cfn_bucket_basename> <cfn_prefix> <region> [public] [--max-workers N] [--verbose] [--no-validate]"
         )
 
         self.console.print("\n[bold cyan]Parameters:[/bold cyan]")
@@ -139,6 +140,9 @@ def print_usage(self):
         self.console.print(
             "  [yellow][--verbose, -v][/yellow]: Optional. Enable verbose output for debugging"
         )
+        self.console.print(
+            "  [yellow][--no-validate][/yellow]: Optional. Skip CloudFormation template validation"
+        )
 
     def check_parameters(self, args):
         """Check and validate input parameters"""
@@ -196,6 +200,11 @@ def check_parameters(self, args):
             elif arg in ["--verbose", "-v"]:
                 # Verbose flag is already handled by Typer, just acknowledge it here
                 pass
+            elif arg == "--no-validate":
+                self.skip_validation = True
+                self.console.print(
+                    "[yellow]CloudFormation template validation will be skipped[/yellow]"
+                )
             else:
                 self.console.print(
                     f"[yellow]Warning: Unknown argument '{arg}' ignored[/yellow]"
@@ -1267,10 +1276,15 @@ def build_main_template(self, webui_zipfile, components_needing_rebuild):
                     )
 
             # Validate the template
-            template_url = f"https://s3.{self.region}.amazonaws.com/{self.bucket}/{templates[0][0]}"
-            self.console.print(f"[cyan]Validating template: {template_url}[/cyan]")
-            self.cf_client.validate_template(TemplateURL=template_url)
-            self.console.print("[green]✅ Template validation passed[/green]")
+            if self.skip_validation:
+                self.console.print(
+                    "[yellow]⚠️  Skipping CloudFormation template validation[/yellow]"
+                )
+            else:
+                template_url = f"https://s3.{self.region}.amazonaws.com/{self.bucket}/{templates[0][0]}"
+                self.console.print(f"[cyan]Validating template: {template_url}[/cyan]")
+                self.cf_client.validate_template(TemplateURL=template_url)
+                self.console.print("[green]✅ Template validation passed[/green]")
 
         except ClientError as e:
             # Delete checksum on template validation failure