Multiple Elasticsearch outputs in logstash

gistfile1.txt

#http://pastebin.com/xGt6vv9R from yardenbar
output {
    if [type] == "postfix" {
        elasticsearch {
            host     => [ "ES_HOSTNAME" ]
            protocol => "transport"
            cluster  => "elasticsearch"
            index    => "postfix-%{+YYYY.MM.dd}"
            manage_template => true
            template_overwrite => true
            template => "/etc/logstash/templates.d/postfix.json"
            template_name => "postfix"
        }
    }
    else if [type] in ["nginx", "nginx_error"] {
        elasticsearch {
            host     => [ "ES_HOSTNAME" ]
            protocol => "transport"
            cluster  => "elasticsearch"
            index    => "nginx-%{+YYYY.MM.dd}"
            manage_template => true
            template_overwrite => true
            template => "/etc/logstash/templates.d/nginx.json"
            template_name => "nginx"
        }
    }
    else if [type] == "rails" {
        elasticsearch {
            host     => [ "ES_HOSTNAME" ]
            protocol => "transport"
            cluster  => "elasticsearch"
            index    => "rails-%{+YYYY.MM.dd}"
            manage_template => true
            template_overwrite => true
            template => "/etc/logstash/templates.d/rails.json"
            template_name => "rails"
        }
    }
    else if [type] == "webpagetest" {
        elasticsearch {
            host     => [ "ES_HOSTNAME" ]
            protocol => "transport"
            cluster  => "elasticsearch"
            index    => "webpagetest-global"
            manage_template => true
            template_overwrite => true
            template => "/etc/logstash/templates.d/webpagetest.json"
            template_name => "webpagetest"
        }
    }
    else if [type] == "push-notification" {
        elasticsearch {
            host     => [ "ES_HOSTNAME" ]
            protocol => "transport"
            cluster  => "elasticsearch"
            index    => "push-notification-%{+YYYY.MM.dd}"
            manage_template => true
            template_overwrite => true
            template => "/etc/logstash/templates.d/push_notification.json"
            template_name => "push_notification"
        }
    }
    else if [type] == "fastly" {
        elasticsearch {
            host     => [ "ES_HOSTNAME" ]
            protocol => "transport"
            cluster  => "elasticsearch"
            index    => "fastly-%{+YYYY.MM.dd}"
            manage_template => true
            template_overwrite => true
            template => "/etc/logstash/templates.d/fastly.json"
            template_name => "fastly"
        }
    }
    else {
        file {
            path => "/var/log/logstash/unknown_messages.log"
        }
    }
}