private static async Task <string> UpdateTableAsync(LocalConfig config, DeviceConfig dconfig)
{
var luss = LussGenerator.Create();
ContainerEntity entity = new ContainerEntity(luss, config.Hostname, dconfig.Container.ModuleId, dconfig.VirtualRtuId, dconfig.DeviceId, dconfig.Container.Slaves, dconfig.Container.LoggingLevel, dconfig.Container.InstrumentationKey, TimeSpan.FromMinutes(dconfig.Expiry), config.TableName, dconfig.StorageConnectionString);
await entity.UpdateAsync();
return(luss);
}
public async Task <ModuleConfig> ProvisionAsync()
{
ModuleConfig configuration = null;
try
{
ContainerEntity entity =
await ContainerEntity.LoadAsync(luss, config.TableName, config.StorageConnectionString);
if (entity.Access.HasValue)
{
throw new SecurityException("Field gateway LUSS has previously been accessed.");
}
entity.Access = DateTime.UtcNow;
await entity.UpdateAsync();
if (entity.Created > DateTime.UtcNow)
{
throw new SecurityException(
$"Field gateway LUSS has expired with {entity.Created.ToString()} > {DateTime.Now.ToString()}");
}
//add resources to Piraeus
UpdatePiraeus(entity, config.ApiToken);
//update the rtu map
await UpdateRtuMapAsync(entity, config.StorageConnectionString, config.RtuMapContainer,
config.RtuMapFilename);
//create the identity for the field gateway
List <Claim> claims = new List <Claim>();
claims.Add(new Claim(string.Format($"http://{entity.Hostname.ToLowerInvariant()}/name"),
entity.DeviceId.ToLowerInvariant()));
claims.Add(new Claim(string.Format($"http://{entity.Hostname.ToLowerInvariant()}/role"),
entity.ModuleId.ToLowerInvariant()));
string issuer = string.Format($"http://{entity.Hostname.ToLowerInvariant()}/");
string audience = issuer;
string securityToken = GetSecurityToken(issuer, audience, claims);
configuration = new ModuleConfig(entity.Hostname, entity.VirtualRtuId, entity.DeviceId, entity.ModuleId,
entity.Slaves, securityToken, entity.LoggingLevel, entity.InstrumentationKey);
}
catch (Exception ex)
{
log?.LogInformation($"Failed to provision field gateway with luss '{luss}'.");
log?.LogError(ex.Message);
throw ex;
}
return(configuration);
}