public async Task ReadAlarmsAreCreatedForEachTable()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
await generator.GenerateAlarmsFor(Config(), RunMode.GenerateAlarms);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-a-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "test-a-table",
metricName: "ConsumedReadCapacityUnits",
threshold: 292500,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-a-table-ReadThrottleEvents-TestGroup",
tableName: "test-a-table",
metricName: "ReadThrottleEvents",
threshold: 2,
period: 60);
CloudwatchVerify.AlarmWasNotPutOnMetric(mockery.Cloudwatch,
"ConsumedWriteCapacityUnits");
}
public async Task BothAlarmsAreCreatedForTablesNotExcluded()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
await generator.GenerateAlarmsFor(ConfigWithExclusions(), RunMode.GenerateAlarms);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "customer-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "customer-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "customer-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "customer-table",
metricName: "ConsumedWriteCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "products-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "products-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "products-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "products-table",
metricName: "ConsumedWriteCapacityUnits");
}
public void FirstTableHasAlarm()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
Assert.That(async() => await generator.GenerateAlarmsFor(Config(), RunMode.GenerateAlarms),
Throws.Exception);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
"test-a-table-ConsumedReadCapacityUnits-TestGroup",
"test-a-table", "ConsumedReadCapacityUnits");
}
public async Task AlarmsAreCreatedForEachTable()
{
var mockery = new DynamoAlarmGeneratorMockery();
ConfigureTables(mockery);
var generator = mockery.AlarmGenerator;
await generator.GenerateAlarmsFor(CatchAllConfig(), RunMode.GenerateAlarms);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-a-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "test-a-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-a-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "test-a-table",
metricName: "ConsumedWriteCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "customer-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "customer-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "customer-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "customer-table",
metricName: "ConsumedWriteCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-supplier-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "test-supplier-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-supplier-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "test-supplier-table",
metricName: "ConsumedWriteCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "products-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "products-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "products-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "products-table",
metricName: "ConsumedWriteCapacityUnits");
}
public void FirstTableHasAlarm()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
// todo, use ThrowsAsync when nunit is updated
Assert.Throws <AggregateException>(
() => generator.GenerateAlarmsFor(Config(), RunMode.GenerateAlarms).Wait());
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
"test-a-table-ConsumedReadCapacityUnits-TestGroup",
"test-a-table", "ConsumedReadCapacityUnits");
}
public async Task OnlyReadAlarmIsCreatedWhenWriteExcluded()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
await generator.GenerateAlarmsFor(ConfigWithExclusions(), RunMode.GenerateAlarms);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-supplier-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "test-supplier-table",
metricName: "ConsumedReadCapacityUnits");
CloudwatchVerify.AlarmWasNotPutOnTable(mockery.Cloudwatch,
tableName: "test-supplier-table",
metricName: "ConsumedWriteCapacityUnits");
}
public async Task CorrectAlarmsAreCreatedForEachTable()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
await generator.GenerateAlarmsFor(ConfigWithThresholds(), RunMode.GenerateAlarms);
var expectedTable1ReadThreshold = (int)AlarmThresholds.Calulate(ReadCapacity, 0.4);
var expectedTable1WriteThreshold = (int)AlarmThresholds.Calulate(WriteCapacity, 0.4);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test1-ConsumedReadCapacityUnits-TestGroup",
tableName: "test1",
metricName: "ConsumedReadCapacityUnits",
threshold: expectedTable1ReadThreshold,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test1-ConsumedWriteCapacityUnits-TestGroup",
tableName: "test1",
metricName: "ConsumedWriteCapacityUnits",
threshold: expectedTable1WriteThreshold,
period: 300);
var expectedTable2ReadThreshold = (int)AlarmThresholds.Calulate(ReadCapacity, 0.65);
var expectedTable2WriteThreshold = (int)AlarmThresholds.Calulate(WriteCapacity, 0.65);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test2-ConsumedReadCapacityUnits-TestGroup",
tableName: "test2",
metricName: "ConsumedReadCapacityUnits",
threshold: expectedTable2ReadThreshold,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test2-ConsumedWriteCapacityUnits-TestGroup",
tableName: "test2",
metricName: "ConsumedWriteCapacityUnits",
threshold: expectedTable2WriteThreshold,
period: 300);
}
public async Task NamedTableThatDoesNotExistIsIgnored()
{
var mockery = new DynamoAlarmGeneratorMockery();
var generator = mockery.AlarmGenerator;
ConfigureTables(mockery);
var config = new WatchmanConfiguration()
{
AlertingGroups = new List <AlertingGroup>()
{
new AlertingGroup()
{
Name = "TestGroup",
AlarmNameSuffix = "TestGroup",
DynamoDb = new DynamoDb()
{
Tables = new List <Table>
{
new Table {
Name = "table-that-exists"
},
new Table {
Name = "missing-table"
}
}
}
}
}
};
await generator.GenerateAlarmsFor(config, RunMode.GenerateAlarms);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "table-that-exists-ConsumedWriteCapacityUnits-TestGroup",
tableName: "table-that-exists",
metricName: "ConsumedWriteCapacityUnits",
threshold: 144000,
period: 300);
}
public async Task AlarmsAreCreatedForEachTableAtCorrectLevel()
{
var mockery = new DynamoAlarmGeneratorMockery();
ConfigureTables(mockery);
var generator = mockery.AlarmGenerator;
await generator.GenerateAlarmsFor(CatchAllConfig(), RunMode.GenerateAlarms);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-a-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "test-a-table",
metricName: "ConsumedReadCapacityUnits",
threshold: 312000,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-a-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "test-a-table",
metricName: "ConsumedWriteCapacityUnits",
threshold: 144000,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "customer-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "customer-table",
metricName: "ConsumedReadCapacityUnits",
threshold: 672000,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "customer-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "customer-table",
metricName: "ConsumedWriteCapacityUnits",
threshold: 271200,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-supplier-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "test-supplier-table",
metricName: "ConsumedReadCapacityUnits",
threshold: 96000,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "test-supplier-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "test-supplier-table",
metricName: "ConsumedWriteCapacityUnits",
threshold: 24000,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "products-table-ConsumedReadCapacityUnits-TestGroup",
tableName: "products-table",
metricName: "ConsumedReadCapacityUnits",
threshold: 576000,
period: 300);
CloudwatchVerify.AlarmWasPutOnTable(mockery.Cloudwatch,
alarmName: "products-table-ConsumedWriteCapacityUnits-TestGroup",
tableName: "products-table",
metricName: "ConsumedWriteCapacityUnits",
threshold: 19200,
period: 300);
}