Change parser regexp for /var/log/apache2/keystone.access.log in td-agent config file.

In case of two IP's in http_x_forwarded_for_address field in /var/log/apache2/keystone.access.log
 td-agent can't parse logs from keystone-wsgi and can't send it to Elastic.

Fixes-bug: PROD-36420
Change-Id: I8c49fe42399d42f226206c9c807d9ab115b69bef
diff --git a/keystone/meta/fluentd.yml b/keystone/meta/fluentd.yml
index 6bc613a..cb9f561 100644
--- a/keystone/meta/fluentd.yml
+++ b/keystone/meta/fluentd.yml
@@ -71,8 +71,8 @@
               time_key: Timestamp
               time_format: '%d/%b/%Y:%H:%M:%S %z'
               keep_time_key: false
-              # Apache keystone format: https://regex101.com/r/KkL3my/1/
-              format: '/(?<hostname>[\w\.\-]+)\:(?<port>\d+)\s(?<http_x_forwarded_for_address>[\d\.]+|-)\s(?<http_client_ip_address>[\d\.]+)\s\-\s\-\s\[(?<Timestamp>.*)\]\s(?<Payload>\"(?<http_method>[A-Z]+)\s(?<http_url>\S+)\s(?<http_version>[.\/\dHTFSP]+)\"\s(?<http_status>\d{3})\s(?<http_response_time>\d+)\s(?<http_response_size>\d+)\s\"(?<http_referer>.*)\"\s\"(?<user_agent>.*)\")/'
+              # Apache keystone format: https://regex101.com/r/KkL3my/3/
+              format: '/(?<hostname>[\w\.\-]+)\:(?<port>\d+)\s(?<http_x_forwarded_for_address>(?:[\d\.]+(?:, )*)*|(?:[\d\.]*)|-)\s(?<http_client_ip_address>[\d\.]+)\s\-\s\-\s\[(?<Timestamp>.*)\]\s(?<Payload>\"(?<http_method>[A-Z]+)\s(?<http_url>\S+)\s(?<http_version>[.\/\dHTFSP]+)\"\s(?<http_status>\d{3})\s(?<http_response_time>\d+)\s(?<http_response_size>\d+)\s\"(?<http_referer>.*)\"\s\"(?<user_agent>.*)\")/'
         filter:
           add_keystone_wsgi_record_fields:
             tag: openstack.keystone
diff --git a/tests/integration/queens/single/config_spec.rb b/tests/integration/queens/single/config_spec.rb
index f82b08e..da9a00d 100644
--- a/tests/integration/queens/single/config_spec.rb
+++ b/tests/integration/queens/single/config_spec.rb
@@ -145,7 +145,7 @@
   'max_overflow'            => '30',
   'max_pool_size'           => '10',
   'max_retries'             => '-1',
-  'connection_recycle_time' => '280',
+  'connection_recycle_time' => '3600',
 }
 
 keystone_oslo_middleware = {