CPLB userspace reverse proxy load balancer #5279
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Signed-off-by: Juan-Luis de Sousa-Valadas Castaño <[email protected]>
tcpproxy is a subset of github.com/inetaf/tcpproxy with some modifications: 1- Implement the method SetRoutes to allow to set routes in bulk. Also allows deletion of routes which otherwise would be impossible. 2- Implement round robin load balancing (there was no load balancing at all). 3- Remove unused code. 4- Append Mirantis copyright for the modifications. Additionaly this PR had to do some modifications in the copyright linter script and `.golangci.yaml` because this is a file copied and modified. This is required to Apache 2.0 retribution right. Signed-off-by: Juan-Luis de Sousa-Valadas Castaño <[email protected]>
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IPVS is problematic for many reasons, implement a userspace load balancer which should get the job done and should be far less problematic. Signed-off-by: Juan-Luis de Sousa-Valadas Castaño <[email protected]>
1- Included userspace reverse proxy 2- Explained better the difference between virtual IP and a load balancer, it was confusing for many users 3- Added a whole troubleshooting section Signed-off-by: Juan-Luis de Sousa-Valadas Castaño <[email protected]>
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Got some feedback on the docs from Daniel, so I'm making it a draft temporarily |
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Description
Implement userspace CPLB reverse proxy load balancer.
Due to the keepalived virtualservers using IPVS for the load balancing, we simply couldn't make it work on some environments and needed to implement a userspace reverse proxy.
Fixes #4700
Type of change
How Has This Been Tested?
Checklist: