Mastering Puppet

Debugging

Turning on the debugging option on your Puppet master isn't such a big deal with a few hundred nodes. However, in an environment with thousands of nodes, it isn't a viable option. Nevertheless, you sometimes need to enable debugging to figure out where catalog compilation is failing. Our proxy configuration comes to the rescue here. The idea is to have a worker dedicated to debugging. The debugging server will have debugging turned on, using the --debug and --logdest options in the config.ru file. The advantage of this method over that of running puppet master --compile as we showed earlier, is that while you are debugging your node, you place it in a debugging environment (problem for instance). While the node is in the debugging environment, ...