input { file { add_field => { "dimensions" => { "service" => "system" }} path => "/var/log/syslog" tags => ["syslog"] } } filter { if "syslog" in [tags] { multiline { negate => "true" pattern => "^%{SYSLOGTIMESTAMP}" what => "previous" } } } output { monasca_log_api { monasca_log_api_url => "" keystone_api_url => "" project_name => "" username => "" password => "" user_domain_name => "" project_domain_name => "" dimensions => [ ] } }