/// <summary>
/// Snapshots the data drive of the given instance number.
/// </summary>
/// <param name="instanceNum">The number of the instance to snapshot.</param>
/// <param name="credential">The Azure Storage credential string to use</param>
/// <param name="replicaSetName">The name of the MongoDB replica set</param>
public static Uri MakeSnapshot(int instanceNum, string credential, string replicaSetName)
{
var client = CloudStorageAccount.Parse(credential).CreateCloudBlobClient();
// Load the blob...
var container = client.GetContainerReference(ConnectionUtilities.GetDataContainerName(replicaSetName));
var blob = container.GetPageBlobReference(String.Format(Constants.MongoDataBlobName, instanceNum));
// Snapshot it.
var snapshot = blob.CreateSnapshot();
return(GetSnapshotUri(snapshot));
}
/// <summary>
/// Returns all the snapshots available.
/// </summary>
/// <param name="credential">The Azure Storage credential string to use</param>
/// <param name="replicaSetName">The name of the MongoDB replica set</param>
public static List <CloudBlob> GetSnapshots(string credential, string replicaSetName)
{
var client = CloudStorageAccount.Parse(credential).CreateCloudBlobClient();
// Load the container.
var container = client.GetContainerReference(ConnectionUtilities.GetDataContainerName(replicaSetName));
// Collect all the snapshots!
return(container.ListBlobs(new BlobRequestOptions()
{
BlobListingDetails = BlobListingDetails.Snapshots,
UseFlatBlobListing = true
}).Select(item => ((CloudBlob)item)).Where(item => item.SnapshotTime.HasValue).ToList());
}
private string GetMongoDataDirectory()
{
DiagnosticsHelper.TraceInformation("Getting db path");
var dataBlobName = string.Format(Constants.MongoDataBlobName, instanceId);
var containerName = ConnectionUtilities.GetDataContainerName(replicaSetName);
mongodDataDriveLetter = Utilities.GetMountedPathFromBlob(
Settings.LocalCacheDirSetting,
Constants.MongoDataCredentialSetting,
containerName,
dataBlobName,
Settings.MaxDBDriveSizeInMB,
out mongoDataDrive);
DiagnosticsHelper.TraceInformation("Obtained data drive as {0}", mongodDataDriveLetter);
var dir = Directory.CreateDirectory(Path.Combine(mongodDataDriveLetter, @"data"));
DiagnosticsHelper.TraceInformation("Data directory is {0}", dir.FullName);
return(dir.FullName);
}