teknologist/mongo-k8s-sidecar repository overview

⁠Mongo Kubernetes Replica Set Sidecar

This project is as a PoC to setup a mongo replica set using Kubernetes. It should handle resizing of any type and be resilient to the various conditions both mongo and kubernetes can find themselves in.

⁠How to use it

The docker image is hosted on docker hub and can be found here:
https://registry.hub.docker.com/u/leportlabs/mongo-k8s-sidecar/⁠

An example kubernetes replication controller can be found in the examples directory on github here:
https://github.com/leportlabs/mongo-k8s-sidecar⁠

There you will also find some helper scripts to test out creating the replica set and resizing it.

⁠Settings

• MONGO_SIDECAR_POD_LABELS
  Required: YES
  This should be a be a comma separated list of key values the same as the podTemplate labels. See above for example.
• MONGO_SIDECAR_SLEEP_SECONDS
  Required: NO
  Default: 5
  This is how long to sleep between work cycles.
• MONGO_SIDECAR_UNHEALTHY_SECONDS
  Required: NO
  Default: 15
  This is how many seconds a replica set member has to get healthy before automatically being removed from the replica set.

⁠Debugging

TODO: Instructions for cloning, mounting and watching

⁠Still to do

• Add tests!
• Add to circleCi
• Alter k8s call so that we don't have to filter in memory