On 28 November 2017 at 20:22, Tilman Baumann <tilman.baum...@canonical.com> wrote:
> That would be quite nice actually. Backup and snapshot could be two > different actions even. > Snapshot is a little low-level as it is per-node. But it makes for fast > recovery if a node hickups. > Full backup like Haw Leoeung implemented in > https://jujucharms.com/u/hloeung/cassandra-backup/ is probably even more > useful for many scenarios. There doesn't seem to be a standard backup mechanism, so backup probably belongs in a subordinate. I currently have a subordinate that rsyncs the files to a backup host on my smallest deployment (per https://insights.ubuntu.com/2015/08/04/introducing-turku-cloud-friendly-backups-for-your-infrastructure/) > I'm quite stumped right now with the odd combination of needing to be a > subordinate and needing to connect to the database relation. > I just can't get it to work. And I'm out of ideas. > I would love to just finish it "to get it to work" but I don't know what > else I could try at this point. You just need to define the juju-info container scoped relation as well as the standard cassandra relation. subordinate: true requires: cassandra: interface: cassandra juju-info: interface: juju-info scope: container When you deploy, you need to connect both relations and you will have them both become available, with the different scopes: juju add-relation mysub:juju-info cassandra:juju-info juju add-relation mysub:cassandra cassandra:database > I'm not very familiar with the coding style used in the cassandra charm. > But I think I could help you with adding those functionalities even. > I will have a lot of distractions the next two weeks. But I can see what > I can do... I want to make time to rework it as a charms.reactive charm. But adding an action shouldn't need that, as the actions.yaml and actions/foo script don't need any dependencies on the rest of the charm. -- Stuart Bishop <stuart.bis...@canonical.com> -- Juju mailing list Juju@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/juju
