On Tue, Aug 7, 2018 at 2:14 PM, Marcos Moreno <[email protected]> wrote:
> Dear list members, > > I am not sure if this can be filed as a bug, but we are always eager to > contribute, and we had just an issue with a production server and wanted > that more experienced eyes had an opinion: > > While creating a config, we have a server with the following configuration: > > server myserver1 supercool-dockercontainer:80 check resolvers > docker_resolver resolve-prefer ipv4 > > Somehow we missed to put the "resolvers docker_resolver" configuration in > the configuration file, so it was totally missing. We mean: the following > was NOT in the config file: > resolvers docker_resolver > nameserver dns 127.0.0.11:53 > > However, by checking the configuration it was saying that the > configuration was fine. This is the commands we were using (yes, we are > sure this is the config file): > /usr/local/sbin/haproxy -c -V /usr/local/etc/haproxy/haproxy.cfg > > > First thing after running, haproxy sends an alert and dies: > [ALERT] 218/105233 (1) : config : backend 'mybacken1', server 'myserver1': > unable to find required resolvers 'docker_resolver' > > So obviously not having the resolver is an error that kills haproxy. > However, it was not found with a configuration check. > > Then the question: > -Was it the right way of checking the configuration? Missing some > parameter? > -If it was the right check, should it not be found by the configuration > checker command?--> So we found a small little bug?;-). > > Thanks and have a nice day, > Marcos Moreno. > Hi Marcos, Thanks for reporting this! You're testing procedure is the right one and I'm a bit suprised this is happening! I can also confirm I can reproduce this behavior and I will provide a fix soon. Baptiste

