hello.go

#!/usr/sbin/choria yaegi

package main

import (
  external "github.com/choria-io/go-external-agent"
)

type echoRequest struct {
  Message string `json:"message"`
}

func echoAction(request *external.Request, reply *external.Reply, config map[string]string) {
  req := &echoRequest{}

  // parse the received request, sets appropriate errors on reply on failure
  if !request.ParseRequestData(req, reply) {
    return
  }

  reply.Data = map[string]string{
    "message": req.Message,
  }
}

func main() {
  agent := external.NewAgent("parrot")
  defer agent.ProcessRequest()

  // action will be invoked on demand
  agent.MustRegisterAction("ping", echoAction)
}