public async Task EnsureProvisioningAsync_ShouldNotCallUpdateOnClientWhenValuesAreTheSame()
{
var readsConfiguration = new AutoscalingConfiguration {EnableAutoscaling = true};
var writesConfiguration = new AutoscalingConfiguration {EnableAutoscaling = true};
var configurationSet = new TableAutoscalingConfigurationSet
{
TableName = tableName, DemoMode = false, Reads = readsConfiguration, Writes = writesConfiguration,
};
var provisioned = new DynamoDbTableThroughput { ReadThroughput = 500, WriteThroughput = 1000 };
var updated = new DynamoDbTableThroughput { ReadThroughput = 500, WriteThroughput = 1000 };
await tableProvisioner.ProvisionAsync(configurationSet, provisioned, updated);
throughputClientMock.Verify(
client => client.SetTableThroughputLevelAsync(tableName, 500, 1000, default(CancellationToken)),
Times.Never);
}
public async Task EnsureProvisioningAsync_ShouldCallUpdateOnClientOnlyWithEnabledThroughput()
{
var configurationSet = new TableAutoscalingConfigurationSet
{
TableName = tableName,
DemoMode = false,
Reads = new AutoscalingConfiguration { EnableAutoscaling = false },
Writes = new AutoscalingConfiguration { EnableAutoscaling = true },
};
var provisioned = new DynamoDbTableThroughput { ReadThroughput = 500, WriteThroughput = 1000 };
var updated = new DynamoDbTableThroughput { ReadThroughput = 1000, WriteThroughput = 2000 };
await tableProvisioner.ProvisionAsync(configurationSet, provisioned, updated);
throughputClientMock.Verify(
client => client.SetTableThroughputLevelAsync(tableName, 500, 2000, default(CancellationToken)),
Times.Once);
}
internal async Task EnsureTableProvisionAsync(
bool isCircuitBreakerTripped,
TableAutoscalingConfigurationSet configuration,
CancellationToken cancellationToken = default(CancellationToken))
{
cancellationToken.ThrowIfCancellationRequested();
var tableName = configuration.TableName;
var provisioned = await throughputClient.GetTableThroughputLevelAsync(tableName, cancellationToken).ConfigureAwait(false);
var metrics = await metricsClient.GetTableMetricsAsync(tableName, cancellationToken).ConfigureAwait(false);
LogStats(configuration, provisioned, metrics);
var updated = EnsureProvision(isCircuitBreakerTripped, provisioned, metrics, configuration);
var provisioner = new TableProvisioner(tableName, throughputClient, structuredLogger);
await provisioner.ProvisionAsync(configuration, provisioned, updated, cancellationToken).ConfigureAwait(false);
}
