There's been a change in Synapse code write new haproxy config to a temporary file in the same directory, but the cookbook only sets up write permissions on the original config file - it also needs write access to the directory to create the tmp file.
There's been a change in Synapse code write new haproxy config to a temporary file in the same directory, but the cookbook only sets up write permissions on the original config file - it also needs write access to the directory to create the tmp file.
See https://github.com/airbnb/synapse/commit/45da178f13e3a0f9b5ab1a9498d3c1522a84a134 for the first breaking change, that code has been modified since to just use
.tmpas a suffix.Symptom:
Errno::EACCES: Permission denied @ rb_sysopen - /etc/haproxy/haproxy.cfg.tmp/opt/smartstack/synapse/src/lib/synapse/config_generator/haproxy.rb:1323:inwrite'`