moleculer-go/moleculer

package strategy

import (
    "math/rand"
)

// RoundRobinStrategy exposes the type as a strategy option
type RandomStrategy struct {
}

func (randomStrategy RandomStrategy) Select(nodes []Selector) *Selector {
    if len(nodes) == 0 {
        return nil
    }
    // Returns a number among the indexes up to the length
    // of the slice
    return &nodes[rand.Intn(len(nodes))]
}