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Experimental load-balancing control-plane with StateDB #32185

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Experimental load-balancing control-plane with StateDB #32185

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Commits on May 30, 2024

  1. clustermesh: Add JSON marshalling to AddrCluster 

    Implement JSON marshalling for AddrCluster type so it can
be used in StateDB objects and dumped with cilium-dbg.

Signed-off-by: Jussi Maki <jussi@isovalent.com>
    @joamaki
    joamaki committed May 30, 2024
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  2. container: Add JSON marshalling support for ImmSet[T] 

    For dumping StateDB objects with ImmSet[T] fields, add support
for JSON marshallign and unmarshalling.

The default implementation does not work as ImmSet[T] has
private fields only.

Signed-off-by: Jussi Maki <jussi@isovalent.com>
    @joamaki
    joamaki committed May 30, 2024
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  3. loadbalancer/experimental: Add experimental API for load-balancing 

    Add experimental Services API for managing load-balancing frontends
and backends. This is added as a new experimental package to avoid
confusing it with the production implementation.

When the hidden "--enable-experimental-services" flag is set:
* K8s Service and Endpoints are reflected to service, frontend and backend tables
* A mock reconciler is started that logs mock operations to reconcile the frontends.

The tables can be inspected with "cilium-dbg statedb experimental" commands,
e.g. "cilium-dbg statedb experimental frontends".

Signed-off-by: Jussi Maki <jussi@isovalent.com>
    @joamaki
    joamaki committed May 30, 2024
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  4. experimental: Add fuzz test to validate serializability 

    The "cilium-dbg statedb" commands require the objects to be
JSON serializable, which is easy to break accidentally.

Add a fuzz test to generate arbitrary Service, Frontend and
Backend objects and validate that the TableRow() output is the
same across JSON serialization.

Signed-off-by: Jussi Maki <jussi@isovalent.com>
    @joamaki
    joamaki committed May 30, 2024
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