Eliminte stale locks

If the server crashes stale lock files may e left behind.
This will cause the application to deadlock for the user that has
the misfortune of having a stale lock.
Forcibly remove all locks on startup.

Signed-off-by: Simo Sorce <simo@redhat.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/ipsilon/ipsilon b/ipsilon/ipsilon
index 9fa370e..fec19e4 100755
--- a/ipsilon/ipsilon
+++ b/ipsilon/ipsilon
@@ -19,7 +19,7 @@
 
 import sys
 sys.stdout = sys.stderr
-
+import glob
 import os
 import atexit
 import cherrypy
@@ -28,6 +28,19 @@ from ipsilon.util import page
 from ipsilon.root import Root
 from jinja2 import Environment, FileSystemLoader
 
+
+def nuke_session_locks():
+    if cherrypy.config['tools.sessions.on']:
+        try:
+            sessdir = cherrypy.config['tools.sessions.storage_path']
+            for l in glob.glob(os.path.join(sessdir, '*.lock')):
+                try:
+                    os.remove(l)
+                except Exception:  # pylint: disable=broad-except
+                    pass
+        except Exception:  # pylint: disable=broad-except
+            pass
+
 cfgfile = None
 if (len(sys.argv) > 1):
     cfgfile = sys.argv[-1]
@@ -40,6 +53,8 @@ else:
 
 cherrypy.config.update(cfgfile)
 
+nuke_session_locks()
+
 datastore = Store()
 admin_config = datastore.get_admin_config()
 for option in admin_config: