public static async Task AwaitInstanceStatus(this EC2Helper ec2,
string instanceId,
InstanceSummaryStatus summaryStatus,
int timeout_ms, int intensity = 1500,
bool thowOnTermination = true,
CancellationToken cancellationToken = default(CancellationToken))
{
var sw = Stopwatch.StartNew();
InstanceStatus status = null;
do
{
if (status != null)
{
await Task.Delay(intensity);
}
status = await ec2.DescribeInstanceStatusAsync(instanceId, cancellationToken);
if (status.Status.Status == summaryStatus.ToSummaryStatus())
{
return;
}
if (thowOnTermination &&
(status.InstanceState?.Name == InstanceStateName.Stopping ||
status.InstanceState?.Name == InstanceStateName.Terminated))
{
throw new Exception($"Failed Status Await, Instane is terminated or terminating: '{status.InstanceState.Name}'");
}
}while (sw.ElapsedMilliseconds < timeout_ms);
throw new TimeoutException($"Instance {instanceId} could not reach status summary '{summaryStatus}', last status summary: '{status.Status.Status}'");
}
public static SummaryStatus ToSummaryStatus(this InstanceSummaryStatus status)
{
switch (status)
{
case InstanceSummaryStatus.Initializing: return(SummaryStatus.Initializing);
case InstanceSummaryStatus.InsufficientData: return(SummaryStatus.InsufficientData);
case InstanceSummaryStatus.NotApplicable: return(SummaryStatus.NotApplicable);
case InstanceSummaryStatus.Ok: return(SummaryStatus.Ok);
default: throw new Exception($"Unrecognized instance summary status: {status.ToString()}");
}
}
