func main() {
flag.Parse()
log.Printf("Configuration loaded from file: %s", configFilePath)
config := configuration.Load(configFilePath)
signal.Handle(func() {
config = configuration.Load("config.json")
log.Printf("Reloading configuration from: %s", configFilePath)
})
tickerChannel := time.NewTicker(time.Second * time.Duration(config.Interval)).C
for {
select {
case <-tickerChannel:
for _, redisConfig := range config.Redis {
address := fmt.Sprintf("%s:%d", redisConfig.Host, redisConfig.Port)
var name = ""
if redisConfig.Alias != "" {
name = redisConfig.Alias
} else {
name = redisConfig.Host
}
go info(address, name, config)
}
}
}
}
func TestLoad(t *testing.T) {
expected := &configuration.Configuration{
Interval: 1,
Redis: []configuration.Redis{
configuration.Redis{
Host: "redis_1",
Port: 6379,
Alias: "master",
},
configuration.Redis{
Host: "redis_2",
Port: 6379,
Alias: "slave",
},
},
Metrics: []string{
"used_memory",
"mem_fragmentation_ratio",
"db0.keys",
},
Statsd: configuration.Statsd{
Host: "statsd",
Port: 8125,
},
}
config := configuration.Load("../config.json")
if !reflect.DeepEqual(expected, &config) {
t.Errorf("Expected:\n\t%v\nbut got:\n\t%v\n", expected, config)
}
}