Have confluent automatically set up /var/run/confluent if permitted

If wanting to run as non-root, mkdir -p /var/run/confluent /var/log/confluent /etc/confluent
and chown those to be owned by confluent user.  That is probably path for deb and rpm packaging.

TODO

@@ -31,4 +31,6 @@ KeyError: ''
  a titlebar
 -audit log did not show confetty activity for starting console
 -read exclusive and full exclusive console access modes
--invalid attributes at create time come out as 500
+-when an http session exists, confluent cpu usage on my vm idles at 2 %.
+ profile exactly what is spinning and try to make it nicer
+- an ipmi console was once stuck in 'connecting' state, no idea how

confluent_server/confluent/main.py

@@ -80,7 +80,13 @@ def _checkpidfile():
         fcntl.flock(pidfile, fcntl.LOCK_UN)
         pidfile.close()
     except IOError:
-        pidfile = open('/var/run/confluent/pid', 'w')
+        try:
+            pidfile = open('/var/run/confluent/pid', 'w')
+        except IOError as e:
+            if e.errno != 2:
+                raise
+            os.makedirs('/var/run/confluent')
+            pidfile = open('/var/run/confluent/pid', 'w')
         fcntl.flock(pidfile, fcntl.LOCK_EX)
         pidfile.write(str(os.getpid()))
         fcntl.flock(pidfile, fcntl.LOCK_UN)

confluent_server/setup.py

@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name='confluent_server',
-    version='0.1.3',
+    version='0.1.5',
     author='Jarrod Johnson',
     author_email='jbjohnso@us.ibm.com',
     url='http://xcat.sf.net/',