public static async Task <ServiceInfo> GetServiceOrDefault(this ECSHelper ecs, string cluster, string serviceName)
{
var services = await((cluster.IsNullOrEmpty()) ? ecs.ListServicesAsync() : ecs.ListServicesAsync(cluster));
return(services.SingleOrDefault(
x => ((serviceName.StartsWith("arn:")) ? x.ARN == serviceName : x.ARN.EndsWith($":service/{serviceName}"))));
}
public static async System.Threading.Tasks.Task WaitForServiceToStart(this ECSHelper ecs, string cluster, string serviceName, int timeout, int delay = 2500)
{
var services = await((cluster.IsNullOrEmpty()) ? ecs.ListServicesAsync() : ecs.ListServicesAsync(cluster));
services = services.Where(x => ((serviceName.StartsWith("arn:")) ? x.ARN == serviceName : x.ARN.EndsWith($":service/{serviceName}")));
if (services?.Count() != 1)
{
throw new Exception($"Could not find service '{serviceName}' for cluster: '{cluster}' or found more then one matching result (In such case use ARN insted of serviceName, or specify cluster) [{services?.Count()}].");
}
var service = services.First();
var tt = new TickTimeout(timeout, TickTime.Unit.s, Enabled: true);
while (!tt.IsTriggered)
{
var serviceDescription = await ecs.DescribeServicesAsync(service.Cluster, new string[] { service.ARN });
if (serviceDescription.IsNullOrEmpty())
{
throw new Exception($"Could not find or describe service: '{service.ARN}' for the cluster '{service.Cluster}'.");
}
var result = serviceDescription.First();
if (result.DesiredCount == result.RunningCount)
{
return; //desired count reached
}
await System.Threading.Tasks.Task.Delay(delay);
}
throw new Exception($"Timeout '{timeout}' [s], service: '{service.ARN}' could not reach its desired count in time.");
}
public static async Task <IEnumerable <ServiceInfo> > ListServicesAsync(this ECSHelper ecs)
{
var clusetrs = await ecs.ListClustersAsync();
var result = await clusetrs.ForEachAsync(cluster => ListServicesAsync(ecs, cluster), 1);
return(result.Flatten());
}
public static async System.Threading.Tasks.Task DestroyTaskDefinitions(this ECSHelper ecs, string familyPrefix)
{
var tasks = await ecs.ListTaskDefinitionsAsync(familyPrefix);
if (!tasks.IsNullOrEmpty())
{
await ecs.DeregisterTaskDefinitionsAsync(tasks);
}
}
public static async Task <TaskDefinition> RegisterFargateTaskAsync(this ECSHelper ecs,
string executionRoleArn,
string family,
int cpu,
int memory,
string name,
string image,
Dictionary <string, string> envVariables,
string logGroup,
IEnumerable <int> ports,
CancellationToken cancellationToken = default(CancellationToken))
{
var env = envVariables?.Select(x => new Amazon.ECS.Model.KeyValuePair()
{
Name = x.Key, Value = x.Value
})?.ToList();
var lc = new LogConfiguration()
{
LogDriver = new LogDriver("awslogs"),
Options = new Dictionary <string, string>()
{
{ "awslogs-group", logGroup },
{ "awslogs-region", ecs.Client.GetRegionName() },
{ "awslogs-stream-prefix", "ecs" }
}
};
var pmTCP = ports.Select(x => new PortMapping()
{
ContainerPort = x, HostPort = x, Protocol = TransportProtocol.Tcp
});
var cd = new ContainerDefinition()
{
Name = name,
Image = image,
Environment = env,
LogConfiguration = lc,
PortMappings = pmTCP.ToList(),
MemoryReservation = (int)(memory * 4) / 5
};
var response = await ecs.RegisterTaskDefinitionAsync(
executionRoleArn,
executionRoleArn,
family,
new string[] { "FARGATE" },
new List <ContainerDefinition>() { cd },
cpu,
memory,
NetworkMode.Awsvpc,
cancellationToken);
return(response.TaskDefinition);
}
public static async System.Threading.Tasks.Task DestroyService(this ECSHelper ecs, string cluster, string serviceName, bool throwIfNotFound = true, int drainingTimeout = 5 *60 *1000)
{
var services = await((cluster.IsNullOrEmpty()) ? ecs.ListServicesAsync() : ecs.ListServicesAsync(cluster, throwIfNotFound: throwIfNotFound));
services = services?.Where(x => ((serviceName.StartsWith("arn:")) ? x.ARN == serviceName : x.ARN.EndsWith($":service/{serviceName}")));
if (!throwIfNotFound && (services?.Count() ?? 0) == 0)
{
return;
}
if (services?.Count() != 1)
{
throw new Exception($"Could not find service '{serviceName}' for cluster: '{cluster}' or found more then one matching result (In such case use ARN insted of serviceName, or specify cluster) [{services?.Count()}].");
}
var service = services.First();
var tasks = await ecs.ListTasksAsync(service.Cluster, service.ARN);
if ((tasks?.Count() ?? 0) != 0)
{
await ecs.StopTasksAsync(arns : tasks, cluster : service.Cluster);
}
await ecs.UpdateServiceAsync(desiredCount : 0, arns : service.ARN, cluster : service.Cluster);
await ecs.DeleteServiceAsync(cluster : service.Cluster, arns : service.ARN);
//ensure service is in draining state
await System.Threading.Tasks.Task.Delay(1000);
string status = null;
var sw = Stopwatch.StartNew();
//ensure service is not in draining state before finishing
while ((status = ((await ecs.DescribeServicesAsync(cluster: cluster, services: new string[] { serviceName })).FirstOrDefault())?.Status) == "DRAINING")
{
if (sw.ElapsedMilliseconds > drainingTimeout)
{
throw new Exception($"Could not drain the service '{serviceName}' for cluster: '{cluster}', elapsed {sw.ElapsedMilliseconds}/{drainingTimeout} [ms].");
}
await System.Threading.Tasks.Task.Delay(1000);
}
}
public static async Task <Service> CreateFargateServiceAsync(this ECSHelper ecs,
string name,
TaskDefinition taskDefinition,
int desiredCount,
string cluster,
Amazon.ElasticLoadBalancingV2.Model.TargetGroup targetGroup,
bool assignPublicIP,
IEnumerable <string> securityGroups,
IEnumerable <string> subnets,
CancellationToken cancellationToken = default(CancellationToken))
{
var nc = new NetworkConfiguration()
{
AwsvpcConfiguration = new AwsVpcConfiguration()
{
AssignPublicIp = assignPublicIP ? AssignPublicIp.ENABLED : AssignPublicIp.DISABLED,
SecurityGroups = securityGroups.ToList(),
Subnets = subnets.ToList()
}
};
var result = await ecs.CreateServiceAsync(name : name,
taskDefinition : taskDefinition,
desiredCount : desiredCount,
launchType : LaunchType.FARGATE,
cluster : cluster,
networkConfiguration : nc,
loadBalancer : new LoadBalancer()
{
ContainerPort = targetGroup.Port,
TargetGroupArn = targetGroup.TargetGroupArn,
ContainerName = taskDefinition.ContainerDefinitions.Single().Name,
},
cancellationToken : cancellationToken);
return(result.Service);
}
public static async Task <IEnumerable <ServiceInfo> > ListServicesAsync(this ECSHelper ecs, string cluster, bool throwIfNotFound = true)
{
IEnumerable <string> fargateServices = null;
IEnumerable <string> ec2Services = null;
try
{
fargateServices = await ecs.ListServicesAsync(cluster, LaunchType.FARGATE);
ec2Services = await ecs.ListServicesAsync(cluster, LaunchType.EC2);
}
catch (ClusterNotFoundException)
{
if (throwIfNotFound)
{
throw;
}
return(null);
}
return(fargateServices.Select(x => new ServiceInfo(cluster: cluster, arn: x, launchType: LaunchType.FARGATE))
.ConcatOrDefault(ec2Services.Select(x => new ServiceInfo(cluster: cluster, arn: x, launchType: LaunchType.EC2))));
}
public static Task <DeleteServiceResponse[]> DeleteServiceAsync(this ECSHelper ecs, string cluster, params string[] arns) => ecs.DeleteServicesAsync(arns, cluster: cluster);
public static System.Threading.Tasks.Task UpdateServiceAsync(this ECSHelper ecs, int desiredCount, string cluster, params string[] arns) => ecs.UpdateServicesAsync(arns, desiredCount, cluster);