How do I configure the location and name of tomcat access log in spring-boot?

Question

I have a spring-boot app with the following configuration in application.yml

server:
contextPath: /rti
tomcat:
    access-log-enabled: true
    access-log-pattern: "%h %l %u %t \"%r\" %s %b %D"
    basedir: tomcat

This prompts the creation of an access log tomcat/logs/access_log.2015-02-12.txt.

I would like to be able to configure where the access log is created and what it is named; but after much searching I am starting to think this isn't possible. Does any one know how to achieve this?

Application logging is working fine using logback and configuration in logback.xml

Answer 1

You can use the EmbeddedServletContainerCustomizer interface to add a completely custom valve to your embedded tomcat. Here is what works for me:

@Configuration
public class WebConfig extends WebMvcConfigurerAdapter implements EmbeddedServletContainerCustomizer {

    @Override
    public void customize(ConfigurableEmbeddedServletContainer container) {
        if (container instanceof TomcatEmbeddedServletContainerFactory) {
            TomcatEmbeddedServletContainerFactory factory = (TomcatEmbeddedServletContainerFactory) container;
            AccessLogValve accessLogValve = new AccessLogValve();
            accessLogValve.setDirectory("/var/log/test");
            accessLogValve.setPattern("common");
            accessLogValve.setSuffix(".log");
            factory.addContextValves(accessLogValve);
        } else {
            logger.error("WARNING! this customizer does not support your configured container");
        }
    }

}