public static async Task WarmUp(ScriptHost host)
{
// exercise the Node pipeline
await NodeFunctionInvoker.InitializeAsync();
}
public static async Task WarmUp(WebHostSettings settings, IScriptEventManager eventManager)
{
var traceWriter = new FileTraceWriter(Path.Combine(settings.LogPath, "Host"), TraceLevel.Info);
ScriptHost host = null;
try
{
traceWriter.Info("Warm up started");
string rootPath = settings.ScriptPath;
if (Directory.Exists(rootPath))
{
Directory.Delete(rootPath, true);
}
Directory.CreateDirectory(rootPath);
string content = ReadResourceString("Functions.host.json");
File.WriteAllText(Path.Combine(rootPath, "host.json"), content);
// read in the C# function
string functionPath = Path.Combine(rootPath, "Test-CSharp");
Directory.CreateDirectory(functionPath);
content = ReadResourceString("Functions.Test_CSharp.function.json");
File.WriteAllText(Path.Combine(functionPath, "function.json"), content);
content = ReadResourceString("Functions.Test_CSharp.run.csx");
File.WriteAllText(Path.Combine(functionPath, "run.csx"), content);
traceWriter.Info("Warm up functions deployed");
ScriptHostConfiguration config = new ScriptHostConfiguration
{
RootScriptPath = rootPath,
FileLoggingMode = FileLoggingMode.Never,
RootLogPath = settings.LogPath,
TraceWriter = traceWriter,
FileWatchingEnabled = false
};
config.HostConfig.StorageConnectionString = null;
config.HostConfig.DashboardConnectionString = null;
host = ScriptHost.Create(new NullScriptHostEnvironment(), eventManager, config, ScriptSettingsManager.Instance);
traceWriter.Info(string.Format("Starting Host (Id={0})", host.ScriptConfig.HostConfig.HostId));
host.Start();
var arguments = new Dictionary <string, object>
{
{ "input", "{}" }
};
host.CallAsync("Test-CSharp", arguments).Wait();
host.Stop();
await NodeFunctionInvoker.InitializeAsync();
traceWriter.Info("Warm up succeeded");
}
catch (Exception ex)
{
traceWriter.Error(string.Format("Warm up failed: {0}", ex));
}
finally
{
host?.Dispose();
traceWriter.Dispose();
}
}