/// <summary>
/// Waits for process to start.
/// </summary>
/// <param name="service">The service to check processes within.</param>
/// <param name="process">The process to wait for.</param>
/// <param name="millisTimeout">Timeout giving up the wait.</param>
/// <returns>The inparam service.</returns>
public static IContainerService WaitForProcess(this IContainerService service, string process,
long millisTimeout = -1)
{
if (service == null)
{
return(null);
}
Exception exception = null;
var stopwatch = Stopwatch.StartNew();
using (var mre = new ManualResetEventSlim())
using (new Timer(_ =>
{
var processes = service.GetRunningProcesses();
if (processes?.Rows.Any(x => x.Command == process) ?? false)
{
mre.Set();
}
if (stopwatch.ElapsedMilliseconds > millisTimeout)
{
exception = new FluentDockerException($"Wait expired for process {process} in container {service.Id}");
mre.Set();
}
}, null, 0, 500))
mre.Wait();
if (exception != null)
{
throw exception;
}
return(service);
}
/// <summary>
/// Waits for a specific message in the logs
/// </summary>
/// <param name="service">The service to check processes within.</param>
/// <param name="message">The message to wait for</param>
/// <param name="millisTimeout">Timeout giving up the wait.</param>
/// <returns>The in param service.</returns>
public static IContainerService WaitForMessageInLogs(this IContainerService service, string message, long millisTimeout = -1)
{
if (service == null)
{
return(null);
}
Exception exception = null;
var stopwatch = Stopwatch.StartNew();
using (var mre = new ManualResetEventSlim())
{
Timer timer;
using (timer = new Timer(_ =>
{
var logs = service.Logs().ReadToEnd((int)millisTimeout);
var match = logs.FirstOrDefault(stringToCheck => stringToCheck.Contains(message));
if (match != null)
{
mre.Set();
}
if (stopwatch.ElapsedMilliseconds > millisTimeout)
{
exception = new FluentDockerException($"Wait for message '{message}' in logs for container {service.Id}");
mre.Set();
}
}, null, 0, 500))
mre.Wait();
timer.Dispose();
}
if (exception != null)
{
throw exception;
}
return(service);
}
/// <summary>
/// Waits for the container to be in a healthy state
/// </summary>
/// <param name="service">The service to check processes within.</param>
/// <param name="millisTimeout">Timeout giving up the wait.</param>
/// <returns>The in param service.</returns>
public static IContainerService WaitForHealthy(this IContainerService service, long millisTimeout = -1)
{
if (service == null)
{
return(null);
}
Exception exception = null;
var stopwatch = Stopwatch.StartNew();
using (var mre = new ManualResetEventSlim())
{
Timer timer;
using (timer = new Timer(_ =>
{
var config = service.GetConfiguration(true);
if (config?.State?.Health?.Status == HealthState.Healthy)
{
mre.Set();
}
if (stopwatch.ElapsedMilliseconds > millisTimeout)
{
exception = new FluentDockerException($"Wait for healthy expired for container {service.Id}");
mre.Set();
}
}, null, 0, 500))
mre.Wait();
timer.Dispose();
}
if (exception != null)
{
throw exception;
}
return(service);
}
public static void WaitForRunning(this IContainerService container)
{
Exception exception = null;
using (var mre = new ManualResetEventSlim())
using (new Timer(_ =>
{
var state = container.GetConfiguration(true).State;
if (!string.IsNullOrWhiteSpace(state.Error))
{
exception = new FluentDockerException($"Unable to start container: {state.Error}");
mre.Set();
}
if (state.ToServiceState() == ServiceRunningState.Running)
{
mre.Set();
}
}, null, 0, 500))
mre.Wait();
if (exception != null)
{
throw exception;
}
}
