src/trigger.py: Retrieve externally hosted build configurations

Signed-off-by: Paweł Wieczorek <[email protected]>

Author: pawiecz

src/trigger.py

@@ -9,6 +9,7 @@
 import copy
 from datetime import datetime, timedelta
 import sys
+import tempfile
 import time
 
 import kernelci.build
@@ -138,6 +139,19 @@ def _run_trigger(self, build_config, force, timeout, trees):
     def _iterate_trees(self, force, timeout, trees):
         for tree in self._trees.keys():
             build_configs = {name: config for name, config in self._build_configs.items() if config.tree.name == tree}
+            if not build_configs:
+                try:
+                    # Remove hardcoded remote build config path
+                    remote_config = requests.get(f'https://raw.githubusercontent.com/{tree}/linux/refs/heads/kernelci/.kernelci.yaml')
+                except Exception as ex:
+                    self.log.error(f"Failed to get remote build config for {tree.name}, ignoring")
+                    self.traceback(ex)
+                    continue
+                with tempfile.NamedTemporaryFile(suffix='.yaml') as tmp:
+                    tmp.write(remote_config.text.encode())
+                    tmp.close()
+                    # Remove hardcoded trees config path
+                    build_configs = kernelci.config.load(['config/trees.yaml', tmp.name])
             for name, config in build_configs.items():
                 self._run_trigger(config, force, timeout, trees)