public async Task <Boolean> UpdateRow(MembershipEntry entry, String etag, TableVersion tableVersion)
{
//Update Silo Liveness
try
{
var siloRegistration = ConsulSiloRegistrationAssembler.FromMembershipEntry(_deploymentId, entry, etag);
var updateKV = ConsulSiloRegistrationAssembler.ToKVPair(siloRegistration);
//If the KV.CAS() call returns false then the update failed
var tryUpdate = await _consulClient.KV.CAS(updateKV);
if (!tryUpdate.Response)
{
_logger.Debug("ConsulMembershipProvider failed the CAS check when updating the registration for silo {0}.", entry.SiloAddress);
return(false);
}
return(true);
}
catch (Exception ex)
{
_logger.Info("ConsulMembershipProvider failed to update the registration for silo {0}: {1}.", entry.SiloAddress, ex);
throw;
}
}
public async Task <Boolean> InsertRow(MembershipEntry entry, TableVersion tableVersion)
{
try
{
//Use "0" as the eTag then Consul KV CAS will treat the operation as an insert and return false if the KV already exiats.
var consulSiloRegistration = ConsulSiloRegistrationAssembler.FromMembershipEntry(_deploymentId, entry, "0");
var insertKV = ConsulSiloRegistrationAssembler.ToKVPair(consulSiloRegistration);
var tryUpdate = await _consulClient.KV.CAS(insertKV);
if (!tryUpdate.Response)
{
_logger.Debug("ConsulMembershipProvider failed to insert the row because a registration already exists for silo {0}.", entry.SiloAddress);
return(false);
}
return(true);
}
catch (Exception ex)
{
_logger.Info("ConsulMembershipProvider failed to insert registration for silo {0}; {1}.", entry.SiloAddress, ex);
throw;
}
}