Migrate to vertx version 4 about consul-cluster-manager HOT 7 OPEN

yes indeed - this has to be done. @deedarb - feel free to contribute.

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i've seen hazelcast, infinispan implementation for vertx 4.
Planning to implement for consul, but not sure about clusterHost and clusterPublicHost in new ClusterManager SPI.
Should i implement them or no?
Hazelcast starts "agent" with vertx instance, but consul do not, zookeeper is similar to consul and there is no implementations for those methods in zookeeper.

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@vietj could you help me with understanding clusterHost & clusterPublicHost, if i understand correctly
If the cluster manager has its own server for data/membership, this returns the host it is listening to. When users don't configure the eventbus cluster host, the value will serve as a default. Returns: null if the cluster manager does not start a server or the host couldn't be determined

vertx instance will not start consul agent so i should not override clusterHost?
If the cluster manager has its own server for data/membership, this returns the host it advertises to other nodes. When users don't configure the eventbus cluster public host, the value will serve as a default. Returns: null if the cluster manager does not advertise a host that is different from the cluster host or the public host couldn't be determined
this is not clear for me: how to decide if "cluster manager does not advertise a host that is different" ?

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Tagging @tsegismont for his input here.

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@deedarb some cloud providers have network configurations that make you bind server sockets to a hostname that is not the name used by others to reach you from the outside (for security reasons).

Vert.x needs to know which hostname (cluster host) to use when binding the eventbus server socket. It also needs to know which hostname (public host) it should advertise to other Vert.x nodes.

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There is some update for this task?

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@robertonav20 I stopped migrating, planning to switch to quarkus + stork

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