public void CreateInstance(Instance instance)
{
if (instance == null)
throw new ArgumentNullException("instance", "Instance cannot be null.");
if (instance.TargetKey == Guid.Empty)
throw new ArgumentException("Target key cannot be empty.", "instance.TargetKey");
using (var stream = instance.Serialise())
{
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
var targetsController = new Targets(Context);
if (!targetsController.TargetExists(instance.TargetKey))
throw new TargetNotFoundException(String.Format("Target with the key \"{0}\" could not be found.", instance.TargetKey));
var indexesController = new Internal.Indexes(Context);
string indexPath = GetTargetInstancesIndexPath(instance.TargetKey);
var instanceIndex = indexesController.LoadIndex(indexPath);
if (instanceIndex.Entries.Any(e => e.Key == instance.Key))
{
throw new DeploymentException("Target instances index already contains entry for new instance key!");
}
using (var putResponse = client.PutObject(new PutObjectRequest()
{
BucketName = Context.BucketName,
Key = string.Format("{0}/{1}/{2}", STR_INSTANCES_CONTAINER_PATH, instance.Key.ToString("N"), STR_INFO_FILE_NAME),
InputStream = stream,
})) { }
instanceIndex.Entries.Add(new Internal.EntityIndexEntry() { Key = instance.Key, Name = instance.Name });
Internal.Indexes.NameSortIndex(instanceIndex);
indexesController.UpdateIndex(indexPath, instanceIndex);
}
}
catch (AmazonS3Exception awsEx)
{
throw new DeploymentException("Failed creating instance.", awsEx);
}
}
}
public void UpdateInstance(Instance updatedInstance)
{
if (updatedInstance == null)
throw new ArgumentNullException("updatedInstance", "Instance cannot be null.");
var existingInstance = GetInstance(updatedInstance.Key);
// Don't allow moving between targets.
updatedInstance.TargetKey = existingInstance.TargetKey;
using (var stream = updatedInstance.Serialise())
{
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
using (var putResponse = client.PutObject(new PutObjectRequest()
{
BucketName = Context.BucketName,
Key = string.Format("{0}/{1}/{2}", STR_INSTANCES_CONTAINER_PATH, updatedInstance.Key.ToString("N"), STR_INFO_FILE_NAME),
InputStream = stream,
})) { }
var indexesController = new Internal.Indexes(Context);
string indexPath = GetTargetInstancesIndexPath(updatedInstance.TargetKey);
indexesController.PutIndexEntry(indexPath, new Internal.EntityIndexEntry() { Key = updatedInstance.Key, Name = updatedInstance.Name });
}
}
catch (AmazonS3Exception awsEx)
{
throw new DeploymentException("Failed updating instance.", awsEx);
}
}
}