public ActionResult <string> DeleteInstance([FromRoute] string appName, [FromRoute] string instanceID, [FromServices] IPublishChangesService publishService, [FromServices] IMemoryDiscoveryClientRepository clientRepo, [FromServices] IPublishClientsService clientPublishService)
{
var tenantId = this.GetTenantIdFromRouteData();
var clientHostname = Request.HttpContext.Connection.RemoteIpAddress.ToString();
clientRepo.Add(new DiscoveryClient(clientHostname));
clientPublishService.PublishClientDiscoveryActivity(tenantId, clientHostname);
MemoryServicesRepository repo = new MemoryServicesRepository(tenantId, Program.InstanceConfig.EvictionInSecs);
var instance = repo.Delete(appName, instanceID);
if (instance != null)
{
publishService.PublishDeletedInstance(instance.TenantId, appName, instanceID);
this.HttpContext.Response.StatusCode = 200;
}
else
{
this.HttpContext.Response.StatusCode = 500;
}
return(string.Empty);
}
// "/eureka/apps/{appName}/{instanceID}?status=UP&lastDirtyTimestamp=1568804226113"
public ActionResult <string> ReceiveInstanceHeartbeat([FromRoute] string appName, [FromRoute] string instanceID, [FromQuery] long lastDirtyTimestamp, [FromServices] IPublishChangesService publishService, [FromServices] IMemoryDiscoveryClientRepository clientRepo, [FromServices] IPublishClientsService clientPublishService)
{
var tenantId = this.GetTenantIdFromRouteData();
var clientHostname = Request.HttpContext.Connection.RemoteIpAddress.ToString();
clientRepo.Add(new DiscoveryClient(clientHostname));
clientPublishService.PublishClientDiscoveryActivity(tenantId, clientHostname);
MemoryServicesRepository repo = new MemoryServicesRepository(this.GetTenantIdFromRouteData(), Program.InstanceConfig.EvictionInSecs);
var status = string.Empty;
if (lastDirtyTimestamp == 0)
{
lastDirtyTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
}
if (Request.QueryString.Value.ToString().IndexOf("status") >= 0)
{
// status change request
var queryDictionary = Microsoft.AspNetCore.WebUtilities.QueryHelpers.ParseQuery(Request.QueryString.Value.ToString());
var items = queryDictionary.SelectMany(x => x.Value, (col, value) => new KeyValuePair <string, string>(col.Key, value)).ToList();
var statusItem = items.SingleOrDefault(q => q.Key.CompareTo("status") == 0);
if (statusItem.Key != null)
{
status = statusItem.Value;
}
var dirtyItem = items.SingleOrDefault(q => q.Key.CompareTo("lastDirtyTimestamp") == 0);
if (dirtyItem.Key != null)
{
lastDirtyTimestamp = Convert.ToInt64(dirtyItem.Value);
}
}
var instance = repo.SaveInstanceHearbeat(appName, instanceID, status, lastDirtyTimestamp);
if (instance != null)
{
publishService.PublishAddedOrUpdatedInstance(instance, "UPDATE_INSTANCE");
this.HttpContext.Response.StatusCode = 200;
}
else
{
this.HttpContext.Response.StatusCode = 404;
}
return(string.Empty);
}
public ActionResult <string> AddAppInstance([FromRoute] string appName, [FromBody] ServiceInstaceRegisterRequest request, [FromServices] IPublishChangesService publishService, [FromServices] IMemoryDiscoveryClientRepository clientRepo, [FromServices] IPublishClientsService clientPublishService)
{
var tenantId = this.GetTenantIdFromRouteData();
var clientHostname = Request.HttpContext.Connection.RemoteIpAddress.ToString();
clientRepo.Add(new DiscoveryClient(clientHostname));
clientPublishService.PublishClientDiscoveryActivity(tenantId, clientHostname);
request.instance.AppName = appName;
MemoryServicesRepository repo = new MemoryServicesRepository(tenantId, Program.InstanceConfig.EvictionInSecs);
Instance instance = repo.Add(request.instance);
publishService.PublishAddedOrUpdatedInstance(instance, "ADD_INSTANCE");
this.HttpContext.Response.StatusCode = 204;
return(string.Empty);
}
// "/eureka/apps/{appName}/{instanceID}/status?value={status}&lastDirtyTimestamp=1568746948343"
public ActionResult <string> ChangeInstanceStatus([FromRoute] string appName, [FromRoute] string instanceID, [FromQuery] string value, [FromQuery] long lastDirtyTimestamp, [FromServices] IPublishChangesService publishService, [FromServices] IMemoryDiscoveryClientRepository clientRepo, [FromServices] IPublishClientsService clientPublishService)
{
var tenantId = this.GetTenantIdFromRouteData();
var clientHostname = Request.HttpContext.Connection.RemoteIpAddress.ToString();
clientRepo.Add(new DiscoveryClient(clientHostname));
clientPublishService.PublishClientDiscoveryActivity(tenantId, clientHostname);
MemoryServicesRepository repo = new MemoryServicesRepository(tenantId, Program.InstanceConfig.EvictionInSecs);
if (lastDirtyTimestamp == 0)
{
lastDirtyTimestamp = DateTimeConversions.ToJavaMillis(DateTime.UtcNow);
}
var instance = repo.ChangeStatus(appName, instanceID, value, lastDirtyTimestamp);
if (instance != null)
{
publishService.PublishInstanceStatusChange(instance.TenantId, appName, instanceID, value, lastDirtyTimestamp);
this.HttpContext.Response.StatusCode = 200;
}
else
{
this.HttpContext.Response.StatusCode = 500;
}
return(string.Empty);
}
