fabric

Package coreservices/control

The control.core microservice provides no function and in fact will not start. It is the code generated clients in controlapi that are the essence of this package. These clients, and in particular the controlapi.MulticastClient, provide a programmatic interface to the control subscriptions that all microservices support.

For example, to ping and discover all microservices:

ch := controlapi.NewMulticastClient(svc).ForHost("all").Ping(ctx)
for r := range ch {
    fromHost := frame.Of(r.HTTPResponse).FromHost()
    fromID := frame.Of(r.HTTPResponse).FromID()
}

Overriding the host of the client via ForHost is required because the default host control.core does not exist. In the example above, the special hostname all is used to address all microservices.

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