On Tue, 11 Jul 2017, Wido den Hollander wrote: > > Op 11 juli 2017 om 17:03 schreef Sage Weil <sweil@xxxxxxxxxx>: > > > > > > Hi all, > > > > Luminous features a new 'service map' that lets rgw's (and rgw nfs > > gateways and iscsi gateways and rbd mirror daemons and ...) advertise > > themselves to the cluster along with some metadata (like the addresses > > they are binding to and the services the provide). > > > > It should be pretty straightforward to build a service that > > auto-configures haproxy based on this information so that you can deploy > > an rgw front-end that dynamically reconfigures itself when additional > > rgw's are deployed or removed. haproxy has a facility to adjust its > > backend configuration at runtime[1]. > > > > Anybody interested in tackling this? Setting up the load balancer in > > front of rgw is one of the more annoying pieces of getting ceph up and > > running in production and until now has been mostly treated as out of > > scope. It would be awesome if there was an autoconfigured service that > > did it out of the box (and had all the right haproxy options set). > > > > Are there easy Python bindings for this? I mean querying the service map. Yes and no. There are no special librados hooks (or python wrappers) to get the map, but you can issue a mon_command for 'service dump' and get it in JSON, which works just as well for python users. > I'm personally a fan of running Varnish (with Hitch for SSL) in front of > RGW. Some people might also prefer Traefik [0] since that also supports > dynamic configs. How would you go about autoconfiguring varnish via the rgw service map in this case? sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
