Converting Conjur Logs to Prometheus Metrics

Hi ,

I’m looking at this blog post for cyberark on integrating audit data with Prometheus and I wanted to know if there was a way to convert log files like the /var/log/nginx/access.log to metrics that can be used by Prometheus?
This is the blog post: Building a Comprehensive Monitoring Strategy That Includes Secrets Management - Conjur
This is the case: