Fix heka.toml

Change-Id: Ibd9693d39e44be6bff4074ef81ad52fb3bdd0c40
diff --git a/ceilometer/files/heka.toml b/ceilometer/files/heka.toml
index a96b26e..2d1dc10 100644
--- a/ceilometer/files/heka.toml
+++ b/ceilometer/files/heka.toml
@@ -2,10 +2,11 @@
 [logstreamer_ceilometer]
 type = "LogstreamerInput"
 log_directory = "/var/log/ceilometer"
-file_match = '(?P<Service>.+)\.log\.?(?P<Seq>\d*)$'
+file_match = '(?P<Service>.+)\.log\.?(?P<Index>\d*)?(.gz)?'
 differentiator = ["'ceilometer','_','Service'"]
 priority = ["^Index"]
 decoder = "openstack"
+oldest_duration = "168h"
 
 [openstack]
 type = "SandboxDecoder"