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WIP three node cluster without PetSet #9

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@solsson solsson commented Oct 19, 2016

Due to GKE de-supporting PetSet in our zone, we're back to fixed size clusters using per-pod resource definitions.

Hopefully k8s 1.5 will get PetSet into beta (kubernetes/kubernetes#18016 (comment), kubernetes/kubernetes#28718) and we'll never need to merge this branch. I therefore avoided all kinds of scripting.

Some improvements from this branch could probably be cherry picked. In particular there's an official zookeeper image now and the branch uses that one instead of init container + 3.5.2-alpha. On the other hand dynamic reconfiguration added in 3.5 may be crucial for proper PetSet initialization. Official image has no 3.5 tag yet but I experimented with it in https://github.com/solsson/zookeeper-docker/tree/3.5 31z4/zookeeper-docker#5.

…eta, because that blocks use of the services
…ly to avoid issues with persistent volumes not being available to the new pod at restarts or node upgrades
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solsson commented Jan 2, 2017

As expected, we only needed this until we upgraded to k8s 1.5. See #14.

@solsson solsson closed this Jan 2, 2017
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