From 4b26667073b87022fa880c220992afa47a30c026 Mon Sep 17 00:00:00 2001
From: Joshua Packer <jpacker@redhat.com>
Date: Tue, 24 Jun 2025 14:54:50 -0400
Subject: [PATCH] Add support to parse Helm Template artifacts in CRD yaml

Signed-off-by: Joshua Packer <jpacker@redhat.com>
---
 cmd/gen-api-docs.py | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/cmd/gen-api-docs.py b/cmd/gen-api-docs.py
index 2065f64..d3582d6 100644
--- a/cmd/gen-api-docs.py
+++ b/cmd/gen-api-docs.py
@@ -120,11 +120,27 @@ def parse_go_file(file_path, go_files, parsed_types=None):
 
 def parse_crd_file(file_path):
     with open(file_path, 'r') as f:
-        try:
-            crd = yaml.safe_load(f)
-        except yaml.YAMLError as e:
-            print(f"Error parsing YAML file {file_path}: {e}")
-            return None
+        content = f.read()
+
+    # Filter out Helm template syntax before parsing YAML
+    # Remove Helm template blocks like {{- if .Values.manageCRDs }}, {{ .Values.something }}, etc.
+    import re
+    # Remove Helm template conditionals and loops
+    content = re.sub(r'\{\{-?\s*if\s+[^}]+\s*-?\}\}', '', content)
+    content = re.sub(r'\{\{-?\s*else\s*-?\}\}', '', content)
+    content = re.sub(r'\{\{-?\s*end\s*-?\}\}', '', content)
+    content = re.sub(r'\{\{-?\s*range\s+[^}]+\s*-?\}\}', '', content)
+    content = re.sub(r'\{\{-?\s*with\s+[^}]+\s*-?\}\}', '', content)
+    # Remove Helm template variables like {{ .Values.something }}
+    content = re.sub(r'\{\{-?[^}]+-?\}\}', '', content)
+    # Remove lines that are only whitespace after template removal
+    content = '\n'.join(line for line in content.split('\n') if line.strip())
+    
+    try:
+        crd = yaml.safe_load(content)
+    except yaml.YAMLError as e:
+        print(f"Error parsing YAML file {file_path}: {e}")
+        return None
     if not crd or crd.get('kind') != 'CustomResourceDefinition':
         return None