/// <summary>
/// Validates the options and also ensures that all <c>null</c> properties are
/// initialized to their default values.
/// </summary>
/// <param name="clusterDefinition">The cluster definition.</param>
/// <param name="nodeName">The associated node name.</param>
/// <exception cref="ClusterDefinitionException">Thrown if the definition is not valid.</exception>
public void Validate(ClusterDefinition clusterDefinition, string nodeName)
{
Covenant.Requires <ArgumentNullException>(clusterDefinition != null, nameof(clusterDefinition));
var azureNodeOptionsPrefix = $"{nameof(ClusterDefinition.Hosting)}.{nameof(ClusterDefinition.Hosting.Azure)}";
// Set the cluster default storage types if necessary.
if (StorageType == AzureStorageType.Default)
{
StorageType = clusterDefinition.Hosting.Azure.DefaultStorageType;
if (StorageType == AzureStorageType.Default)
{
StorageType = AzureHostingOptions.defaultStorageType;
}
}
if (OpenEBSStorageType == AzureStorageType.Default)
{
OpenEBSStorageType = clusterDefinition.Hosting.Azure.DefaultOpenEBSStorageType;
if (OpenEBSStorageType == AzureStorageType.Default)
{
OpenEBSStorageType = AzureHostingOptions.defaultOpenEBSStorageType;
}
}
// Validate the VM size, setting the cluster default if necessary.
var vmSize = this.VmSize;
if (string.IsNullOrEmpty(vmSize))
{
vmSize = clusterDefinition.Hosting.Azure.DefaultVmSize;
}
this.VmSize = vmSize;
// Validate the drive size, setting the cluster default if necessary.
if (string.IsNullOrEmpty(this.DiskSize))
{
this.DiskSize = clusterDefinition.Hosting.Azure.DefaultDiskSize;
}
if (!ByteUnits.TryParse(this.DiskSize, out var driveSizeBytes) || driveSizeBytes <= 1)
{
throw new ClusterDefinitionException($"cluster node [{nodeName}] configures [{azureNodeOptionsPrefix}.{nameof(DiskSize)}={DiskSize}] which is not valid.");
}
var driveSizeGiB = AzureHelper.GetDiskSizeGiB(StorageType, driveSizeBytes);
this.DiskSize = $"{driveSizeGiB} GiB";
// Validate the OpenEBS disk size too.
if (string.IsNullOrEmpty(this.OpenEBSDiskSize))
{
this.OpenEBSDiskSize = clusterDefinition.Hosting.Azure.DefaultOpenEBSDiskSize;
}
if (!ByteUnits.TryParse(this.OpenEBSDiskSize, out var openEbsDiskSizeBytes) || openEbsDiskSizeBytes <= 1)
{
throw new ClusterDefinitionException($"cluster node [{nodeName}] configures [{azureNodeOptionsPrefix}.{nameof(OpenEBSDiskSize)}={OpenEBSDiskSize}] which is not valid.");
}
var openEBSDiskSizeGiB = AzureHelper.GetDiskSizeGiB(OpenEBSStorageType, openEbsDiskSizeBytes);
this.DiskSize = $"{openEBSDiskSizeGiB} GiB";
}
