public async Task ContinuesWhenAlarmGenerationFailsForOneAlertingGroup()
{
// arrange
var config1 = new AlertingGroup()
{
Name = "group-1",
AlarmNameSuffix = "suffix-1",
Targets = new List <AlertTarget>()
{
new AlertEmail("*****@*****.**")
},
Services = new AlertingGroupServices()
{
AutoScaling = new AwsServiceAlarms <AutoScalingResourceConfig>()
{
Resources = new List <ResourceThresholds <AutoScalingResourceConfig> >()
{
new ResourceThresholds <AutoScalingResourceConfig>()
{
Name = "group-1",
Options = new AutoScalingResourceConfig()
{
// this will trigger the failure
InstanceCountIncreaseDelayMinutes = 5
}
}
}
}
}
};
var config2 = new AlertingGroup()
{
Name = "group-2",
AlarmNameSuffix = "suffix-2",
Targets = new List <AlertTarget>()
{
new AlertEmail("*****@*****.**")
},
Services = new AlertingGroupServices()
{
AutoScaling = new AwsServiceAlarms <AutoScalingResourceConfig>()
{
Resources = new List <ResourceThresholds <AutoScalingResourceConfig> >()
{
new ResourceThresholds <AutoScalingResourceConfig>()
{
Name = "group-2"
}
}
}
}
};
var cloudformation = new FakeCloudFormation();
var ioc = new TestingIocBootstrapper()
.WithCloudFormation(cloudformation.Instance)
.WithConfig(new WatchmanConfiguration()
{
AlertingGroups = new List <AlertingGroup>()
{
config1, config2
}
});
ioc.GetMock <IAmazonAutoScaling>().HasAutoScalingGroups(new[]
{
new AutoScalingGroup()
{
AutoScalingGroupName = "group-1",
DesiredCapacity = 40
},
new AutoScalingGroup()
{
AutoScalingGroupName = "group-2",
DesiredCapacity = 10
}
});
ioc.GetMock <IAmazonCloudWatch>()
.Setup(c => c.GetMetricStatisticsAsync(It.IsAny <GetMetricStatisticsRequest>(),
It.IsAny <CancellationToken>()))
.ThrowsAsync(new Exception("something bad"));
var sut = ioc.Get <AlarmLoaderAndGenerator>();
Exception caught = null;
// act
try
{
await sut.LoadAndGenerateAlarms(RunMode.GenerateAlarms);
}
catch (Exception ex)
{
caught = ex;
}
// assert
Assert.That(cloudformation.StackWasDeployed("Watchman-group-1"), Is.EqualTo(false));
Assert.That(cloudformation.StackWasDeployed("Watchman-group-2"), Is.EqualTo(true));
Assert.That(caught, Is.Not.Null);
}
