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License: Apache License 2.0
A gRPC based pub/sub messaging system
License: Apache License 2.0
Right now, TLS should work between clients and between raft members with mutual TLS and SPIFFE identities.
Ideally, this should be reviewed over by someone with more knowledge than me on the subject to make sure everything is above board and correct. Then documentation around creating a secure deployment should be made.
If the helm chart already exists from #82 it should also be updated to support all the TLS goodness, preferably with cert manager's CSI driver which seems ideal for this use-case.
Right now, a single consumer works in isolation against a topic. Ideally, we should try and come up with a system where multiple instances of the same consumer can work together to get through a topic quicker. Similar to Kafka's consumer groups.
Below is an approach that could be taken:
Currently, the client works by providing a list of server addresses. Each server is checked to see if it is the leader node or not. If an API call returns a FAILED_PRECONDITION
grpc code then the client attempts to find the leader again and retries the request.
This is a bit flaky and error prone. For example, if full leadership is lost this will infinite loop and probably cause a stack overflow.
The client logic for handling this needs to be better and more robust. Potential ideas:
Currently, the project only provides a kustomize manifest.
Ideally, we should have a helm chart and a CI process that ensures the image version is correct. We can also use helm template
in the CI process to produce static manifests for anyone that wants a one-liner.
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