/// <summary>
/// Starts the resource reaper if it is enabled
/// </summary>
/// <param name="dockerClient">Docker client to use</param>
/// <param name="loggerFactory">Optional loggerFactory to log progress</param>
/// <returns>Task that completes when reaper starts successfully</returns>
public static async Task StartAsync(IDockerClient dockerClient, ILoggerFactory loggerFactory = null)
{
var logger = loggerFactory?.CreateLogger(typeof(ResourceReaper));
var disabled = Environment.GetEnvironmentVariable("REAPER_DISABLED");
if (!string.IsNullOrWhiteSpace(disabled) &&
(disabled.Equals("1") || disabled.ToLower().Equals("true")))
{
logger?.LogInformation("Reaper is disabled via $REAPER_DISABLED environment variable");
return;
}
var ryukImage = Environment.GetEnvironmentVariable("REAPER_IMAGE");
if (string.IsNullOrWhiteSpace(ryukImage))
{
ryukImage = DefaultRyukImage;
}
if (_ryukStartupTaskCompletionSource == null)
{
await InitLock.WaitAsync();
try
{
if (_ryukStartupTaskCompletionSource == null)
{
logger?.LogDebug("Starting ryuk container ...");
_ryukStartupTaskCompletionSource = new TaskCompletionSource <bool>();
_ryukContainer = new RyukContainer(ryukImage, dockerClient,
loggerFactory ?? NullLoggerFactory.Instance);
await _ryukContainer.StartAsync();
_ryukContainer.AddToDeathNote(new LabelsFilter(Labels));
_ryukStartupTaskCompletionSource.SetResult(true);
logger?.LogDebug("Ryuk container started");
}
else
{
logger?.LogDebug("Reaper is already started");
}
}
finally
{
InitLock.Release();
}
}
else
{
logger?.LogDebug("Reaper is already started");
}
SetupShutdownHook(dockerClient);
await _ryukStartupTaskCompletionSource.Task;
}
/// <summary>
/// Starts the resource reaper if it is enabled
/// </summary>
/// <param name="dockerClient">Docker client to use</param>
/// <returns>Task that completes when reaper starts successfully</returns>
public static async Task StartAsync(IDockerClient dockerClient)
{
var disabled = Environment.GetEnvironmentVariable("REAPER_DISABLED");
if (!string.IsNullOrWhiteSpace(disabled) &&
(disabled.Equals("1") || disabled.ToLower().Equals("true")))
{
return;
}
// todo: Remove this when ryuk for windows is complete
var platformSpecificFactory = new PlatformSpecificFactory();
if (platformSpecificFactory.IsWindows())
{
// don't start resource reaper for windows
// because ryuk for windows is not developed yet
return;
}
if (_ryukStartupTaskCompletionSource == null)
{
await InitLock.WaitAsync();
try
{
if (_ryukStartupTaskCompletionSource == null)
{
_ryukStartupTaskCompletionSource = new TaskCompletionSource <bool>();
_ryukContainer = new RyukContainer(dockerClient, platformSpecificFactory.Create(),
NullLoggerFactory.Instance);
var ryukStartupTask = _ryukContainer.StartAsync();
await ryukStartupTask.ContinueWith(_ =>
{
_ryukContainer.AddToDeathNote(new LabelsFilter(Labels));
_ryukStartupTaskCompletionSource.SetResult(true);
});
}
}
finally
{
InitLock.Release();
}
}
await _ryukStartupTaskCompletionSource.Task;
}