toaster: orm models Handle run builds process not yet running

During tests we may want to call the runbuilds process manually for
example when doing a "one shot" approach rather than a long running
process during tests.

Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/lib/toaster/orm/models.py b/lib/toaster/orm/models.py
index a7de57c256170f6e5e9250373fdf0e04f3bb4fa3..9a4db1e856a45e1722234f3a838cec365aed8c23 100644 (file)
--- a/lib/toaster/orm/models.py
+++ b/lib/toaster/orm/models.py
@@ -1741,8 +1741,12 @@ def invalidate_cache(**kwargs):
 
 def signal_runbuilds():
     """Send SIGUSR1 to runbuilds process"""
-    with open(os.path.join(os.getenv('BUILDDIR'), '.runbuilds.pid')) as pidf:
-        os.kill(int(pidf.read()), SIGUSR1)
+    try:
+        with open(os.path.join(os.getenv('BUILDDIR'),
+                               '.runbuilds.pid')) as pidf:
+            os.kill(int(pidf.read()), SIGUSR1)
+    except FileNotFoundError:
+        logger.info("Stopping existing runbuilds: no current process found")
 
 django.db.models.signals.post_save.connect(invalidate_cache)
 django.db.models.signals.post_delete.connect(invalidate_cache)