/// <summary>
/// Trys to assign an IP address to the given subscriptionId. If the IP address is successfully assigned
/// then it will be returned. If there are no available IP addresses to assign then an exception
/// will be thrown.
/// </summary>
/// <param name="subscriptionId">The subscriptionId to try to assign an IpAddress to.</param>
/// <param name="offerName">The name of the offer the subscription belongs to.</param>
/// <param name="ipConfigName">The name of the IpConfig to get an IpAdress from.</param>
/// <returns>The assigned IpAddress.</returns>
public async Task <IpAddress> TryAssignIpAddress(Guid subscriptionId, string offerName, string ipConfigName)
{
_logger.LogInformation($"Trying to assign IP addresses to subscription ID {subscriptionId} in offer {offerName} from IP Config {ipConfigName}.");
IpConfig ipConfig = await _ipConfigService.GetAsync(offerName, ipConfigName);
// We only want to assign IP addresses from IP blocks that belong to the given IP config
List <IpBlock> ipBlocks = await _context.IpBlocks.Where(x => x.IpConfigId == ipConfig.Id).ToListAsync();
// Keep track of IpBlock IDs that belong to the IpConfig
HashSet <long> blockIds = new HashSet <long>();
foreach (IpBlock ipBlock in ipBlocks)
{
blockIds.Add(ipBlock.Id);
}
try
{
// Find an IpAddress that is available and belongs to one of the IpBlocks we are tracking
IpAddress ipAddress = await _context.IpAddresses.Where(x => x.IsAvailable == true && blockIds.Contains(x.IpBlockId)).FirstAsync();
ipAddress.SubscriptionId = subscriptionId;
ipAddress.IsAvailable = false;
_context.IpAddresses.Update(ipAddress);
await _context._SaveChangesAsync();
_logger.LogInformation($"The IP addresses in {ipAddress.Value} have been assigned to subscription ID {subscriptionId}.");
return(ipAddress);
}
catch (ArgumentNullException)
{
throw new LunaServerException($"There are no IP addresses available in {ipConfigName}.");
}
}
public async Task <ActionResult> GetAsync(string offerName, string name)
{
AADAuthHelper.VerifyUserAccess(this.HttpContext, _logger, true);
_logger.LogInformation($"Get IPConfig {name} in offer {offerName}.");
return(Ok(await _ipConfigService.GetAsync(offerName, name)));
}
