Merge pull request #7011 from johscheuer/add-is-present-method-sidecar

Add sidecar method to check if a file is present

packaging/docker/sidecar.py

@@ -518,10 +518,16 @@ class Server(BaseHTTPRequestHandler):
                 return
             if self.path.startswith("/check_hash/"):
                 try:
-                    self.send_text(check_hash(self.path[12:]), add_newline=False)
+                    self.send_text(check_hash(os.path.basename(self.path)), add_newline=False)
                 except FileNotFoundError:
                     self.send_error(404, "Path not found")
                     self.end_headers()
+            if self.path.startswith("/is_present/"):
+                if is_present(os.path.basename(self.path))):
+                    self.send_text("OK")
+                else:
+                    self.send_error(404, "Path not found")
+                    self.end_headers()
             elif self.path == "/ready":
                 self.send_text(ready())
             elif self.path == "/substitutions":
@@ -599,6 +605,10 @@ def check_hash(filename):
         return m.hexdigest()
 
 
+def is_present(filename):
+    return os.path.exists(os.path.join(Config.shared().output_dir, filename))
+
+
 def copy_files():
     config = Config.shared()
     if config.require_not_empty: