public static async Task <Instance> GetInstanceById(this EC2Helper ec2, string instanceId, bool throwIfNotFound = true, CancellationToken cancellationToken = default(CancellationToken))
{
if (instanceId.IsNullOrEmpty())
{
throw new ArgumentException("instanceId was not defined");
}
var batch = await ec2.DescribeInstancesAsync(instanceIds : new List <string>()
{
instanceId
}, filters : null, cancellationToken : cancellationToken);
instanceId = instanceId?.Trim().ToLower();
var instance = batch.SelectMany(x => x.Instances).FirstOrDefault(x => x?.InstanceId == instanceId);
if (throwIfNotFound && instance == null)
{
throw new Exception($"Instance {instanceId ?? "undefined"} was not found.");
}
return(instance);
}
public static async Task <Instance[]> ListInstancesByTagKey(this EC2Helper ec2, string tagKey, CancellationToken cancellationToken = default(CancellationToken))
{
var batch = await ec2.DescribeInstancesAsync(instanceIds : null, filters : null, cancellationToken : cancellationToken);
return(batch.SelectMany(x => x.Instances).Where(x => (x?.Tags?.Any(t => t?.Key == tagKey) ?? false) == true).ToArray());
}
public static async Task <Instance[]> ListInstances(this EC2Helper ec2, CancellationToken cancellationToken = default(CancellationToken))
{
var batch = await ec2.DescribeInstancesAsync(instanceIds : null, filters : null, cancellationToken : cancellationToken);
return(batch.SelectMany(x => x.Instances).ToArray());
}