Diagnost/debugging information available? (from #649)

[sacrophyte]

I am still working the problem I have in #649 - is there a debugging, verbose or diagnostic flag I can set to get more information about warnings and errors? For example, I want to know what is causing the below warning:
10:46:29 3708304 WARN Connection to database failed: fe_sendauth: no password supplied

I have been trying to play with various pg_hba.conf settings, but so far have not figured out what I need.

[sacrophyte]

It seems like my default pg_dba.conf was intentionally blocking password-less connection attempts from pg_autoctl, specifically this line:
host all all 0.0.0.0/0 md5

If I change md5 to trust, I am able to move past the warning/error.

[sacrophyte]

I am thinking this particular issue was not really a pg_autoctl issue, but rather a pure postgres issue (I get the same error when trying to use psql on the secondary node to connect to the primary). However, I am still curious if there is a way to increase the level of logging and/or debugging in pg_autoctl.