func NewConsulClient(config *consulAPI.Config) (KVClient, error) {
var (
c *consulAPI.Client
err error
)
if config != nil {
c, err = consulAPI.NewClient(config)
} else {
c, err = consulAPI.NewClient(consulAPI.DefaultConfig())
}
if err != nil {
return nil, err
}
maxRetries := 30
i := 0
for {
leader, err := c.Status().Leader()
if err != nil || leader == "" {
log.Info("Waiting for consul client to be ready...")
time.Sleep(2 * time.Second)
i++
if i > maxRetries {
e := fmt.Errorf("Unable to contact consul: %s", err)
log.Error(e)
return nil, e
}
} else {
log.Info("Consul client ready")
break
}
}
return &ConsulClient{c}, nil
}