Ensure log direcotory exists.

.travis.yml

@@ -3,7 +3,9 @@ language: python
 python:
   - "2.7"
 env:
-  - PIP_DOWNLOAD_CACHE="pip_cache"
+  global:
+    - PIP_DOWNLOAD_CACHE="pip_cache"
+    - CRON_LOG_DIR="/tmp/bedrock-cron-log"
 branches:
   only:
     - master

bin/gen-crons.py

@@ -7,7 +7,7 @@
 
 HEADER = '!!AUTO-GENERATED!! Edit {template}.tmpl instead.'
 TEMPLATE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'etc', 'cron.d'))
-LOG_DIR = '/var/log/bedrock'
+LOG_DIR = os.getenv('CRON_LOG_DIR', '/var/log/bedrock')
 
 
 def main():
@@ -32,6 +32,13 @@ def main():
     if not opts.template:
         parser.error('-t must be defined')
 
+    # ensure log path exists
+    if not os.path.isdir(LOG_DIR):
+        try:
+            os.mkdir(LOG_DIR)
+        except OSError:
+            parser.error('failed to create log directory: ' + LOG_DIR)
+
     log_file = 'cron-{0}.log'.format(opts.template.split('-')[1])
     django_manage = 'cd {{dir}} && {py} manage.py'.format(py=opts.python)
     django_cron = '{0} cron'.format(django_manage)
@@ -65,5 +72,6 @@ def main():
     # atomically move into place
     os.rename(tmpl_temp_name, tmpl_final_name)
 
+
 if __name__ == '__main__':
     main()