public async Task <List <URL> > Lookup(string serviceName)
{
try
{
// ConsulService service = ConsulUtils.BuildService(url);
ConsulResponse <List <ConsulService> > response = await _client.LookupHealthService(serviceName, 0L);
List <ConsulService> services = response.Value;
List <URL> urls = new List <URL>(services.Count);
foreach (ConsulService service1 in services)
{
urls.Add(ConsulUtils.BuildUrl(service1));
}
return(urls);
}
catch (Exception e)
{
throw new Exception("Failed to lookup " + serviceName + " from consul " + GetUrl() + ", cause: " + e.Message, e);
}
}
/**
* 根据service生成URL
*
* @param service
* @return
*/
public static URL BuildUrl(ConsulService service)
{
URL url = null;
foreach (var tag in service.Tags)
{
if (tag.StartsWith("URL_"))
{
var encodeUrl = tag.Substring(tag.IndexOf("_") + 1);
url = URL.ValueOf(URL.Decode(encodeUrl));
}
}
if (url == null)
{
var param = new Dictionary <string, string>();
var group = service.Name.Substring("providers_".Length);
param.Add(Constants.GroupKey, group);
param.Add("nodeType", service.Tags[2]);
string protocol = ConsulUtils.GetProtocolFromTag(service.Tags[0]);
url = new URL(protocol, service.Address, service.Port,
ConsulUtils.GetPathFromServiceId(service.Id), param);
}
return(url);
}