private RemoteHostPool GetRelevantPool()
{
lock (_locker)
{
bool shouldFallBack = MasterEnvironmentPool != null &&
!OriginatingEnvironmentPool.IsServiceDeploymentDefined;
RemoteHostPool newActivePool = shouldFallBack ? MasterEnvironmentPool : OriginatingEnvironmentPool;
if (newActivePool != _activePool)
{
Log.Info(x => x("Discovery host pool has changed", unencryptedTags: new { serviceName = _serviceName, previousPool = _activePool.ServiceDeployment.ToString(), newPool = newActivePool.ServiceDeployment.ToString() }));
_activePool = newActivePool;
FireEndPointChange();
if (shouldFallBack)
{
OriginatingEnvironmentPool.DeactivateMetrics();
}
else
{
MasterEnvironmentPool?.DeactivateMetrics();
}
}
return(_activePool);
}
}
private RemoteHostPool GetRelevantPool()
{
lock (_locker)
{
bool shouldFallBack = MasterEnvironmentPool != null &&
!OriginatingEnvironmentPool.IsServiceDeploymentDefined;
RemoteHostPool newActivePool = shouldFallBack ? MasterEnvironmentPool : OriginatingEnvironmentPool;
if (newActivePool != _activePool)
{
_activePool = newActivePool;
FireEndPointChange();
if (shouldFallBack)
{
OriginatingEnvironmentPool.DeactivateMetrics();
}
else
{
MasterEnvironmentPool?.DeactivateMetrics();
}
}
return(_activePool);
}
}
private void RemoveMasterPool()
{
if (_activePool == MasterEnvironmentPool)
{
_activePool = null;
}
MasterEnvironmentPool?.Dispose();
MasterEnvironmentPool = null;
_masterEnvironmentLinks.ForEach(x => x?.Dispose());
_masterEnvironmentLinks = new List <IDisposable>();
}
private void RemoveOriginatingPool()
{
if (_activePool == OriginatingEnvironmentPool)
{
_activePool = null;
}
OriginatingEnvironmentPool?.Dispose();
OriginatingEnvironmentPool = null;
_originatingEnvironmentLinks.ForEach(x => x?.Dispose());
_originatingEnvironmentLinks = new List <IDisposable>();
}
private async Task ReloadRemoteHost(DiscoveryConfig newConfig)
{
var newServiceConfig = newConfig.Services[_serviceName];
lock (_locker)
{
if (newServiceConfig.Equals(LastServiceConfig) &&
newConfig.EnvironmentFallbackEnabled == LastConfig.EnvironmentFallbackEnabled)
{
return;
}
}
var shouldCreateMasterPool = newConfig.EnvironmentFallbackEnabled &&
newServiceConfig.SupportsFallback &&
_originatingDeployment.Equals(_masterDeployment) == false;
ServiceDiscoverySourceBase masterSource = null;
var originatingSource = await GetServiceDiscoverySource(_originatingDeployment, newServiceConfig).ConfigureAwait(false);
if (shouldCreateMasterPool)
{
masterSource = await GetServiceDiscoverySource(_masterDeployment, newServiceConfig).ConfigureAwait(false);
}
lock (_locker)
{
_suppressNotifications = true;
LastConfig = newConfig;
LastServiceConfig = newServiceConfig;
RemoveOriginatingPool();
OriginatingEnvironmentPool = CreatePool(_originatingDeployment, _originatingEnvironmentLinks, originatingSource);
RemoveMasterPool();
if (masterSource != null)
{
MasterEnvironmentPool = CreatePool(_masterDeployment, _masterEnvironmentLinks, masterSource);
}
_suppressNotifications = false;
GetRelevantPool();
}
}
