public override Result Execute(ConDepSettings settings, CancellationToken token)
{
var dynamicAwsConfig = settings.Config.OperationsConfig.Aws;
using (var client = new Amazon.S3.AmazonS3Client(GetAwsCredentials(dynamicAwsConfig), RegionEndpoint.GetBySystemName((string)dynamicAwsConfig.Region)))
{
Logger.Verbose("Trying to get object metadata from S3");
try
{
var obj = client.GetObjectMetadata(_bucket, _key);
if (obj.HttpStatusCode != HttpStatusCode.OK)
{
Logger.Verbose("Failed to get Amazon S3 Object metadata. Http status code was {0}", obj.HttpStatusCode);
Logger.Info("Could not find Amazon S3 Object {0} in bucket {1}- assuming allready deleted.", _key, _bucket);
return(Result.SuccessUnChanged());
}
}
catch (Exception ex)
{
Logger.Verbose("Failed to get Amazon S3 Object metadata. Exception was:");
Logger.Verbose(ex.Message);
Logger.Warn("Exception during Amazon S3 Object lookup. Assuming object allready deleted.");
return(Result.Failed());
}
Logger.Info("Deleting Amazon S3 Object with key {0} in Bucket {1}", _key, _bucket);
client.DeleteObject(_bucket, _key);
return(Result.SuccessChanged());
}
}
/// <summary>
/// Gets meta data of a file on S3.
/// It throws AmazonS3Exception if any error happens
/// </summary>
/// <param name="keyName">key name</param>
/// <returns></returns>
private Amazon.S3.Model.GetObjectMetadataResponse S3GetObjectMetaData(string keyName)
{
var request = new Amazon.S3.Model.GetObjectMetadataRequest();
request.BucketName = s3Settings.BucketName;
request.Key = keyName;
var objectMetaData = s3Client.GetObjectMetadata(request);
return(objectMetaData);
}
