[gnome-continuous-yocto/gnomeostree-3.28-rocko: 3194/8267] bitbake: toaster: orm models Handle run builds process not yet running

[Emmanuele Bassi <ebassi src gnome org>]

commit 8e70fa1d7933f36244badb34c28ab67f8f159d74
Author: Michael Wood <michael g wood intel com>
Date:   Fri Oct 28 18:48:47 2016 +0300

    bitbake: 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.
    
    (Bitbake rev: 60d3f93836da5523705b0b2e25567d1c9040ec89)
    
    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>

 bitbake/lib/toaster/orm/models.py |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/bitbake/lib/toaster/orm/models.py b/bitbake/lib/toaster/orm/models.py
index a7de57c..9a4db1e 100644
--- a/bitbake/lib/toaster/orm/models.py
+++ b/bitbake/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)