private void ResetEnvironment()
{
Environment.SetEnvironmentVariable(EnvironmentSettingNames.ContainerName, string.Empty);
Environment.SetEnvironmentVariable(EnvironmentSettingNames.AzureWebsiteZipDeployment, string.Empty);
Environment.SetEnvironmentVariable(EnvironmentSettingNames.AzureWebsiteHomePath, null);
WebScriptHostManager.ResetStandbyMode();
}
public async Task StandbyMode_EndToEnd()
{
var vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1" },
{ EnvironmentSettingNames.AzureWebsiteContainerReady, null },
{ EnvironmentSettingNames.AzureWebsiteSku, "Dynamic" },
{ EnvironmentSettingNames.AzureWebsiteHomePath, null },
{ EnvironmentSettingNames.AzureWebsiteConfigurationReady, null },
{ EnvironmentSettingNames.AzureWebsiteInstanceId, "87654639876900123453445678890144" },
{ "AzureWebEncryptionKey", "0F75CA46E7EBDD39E4CA6B074D1F9A5972B849A55F91A248" }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
InitializeTestHost("Windows");
await VerifyWarmupSucceeds();
await VerifyWarmupSucceeds(restart : true);
// now specialize the host
ScriptSettingsManager.Instance.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0");
ScriptSettingsManager.Instance.SetSetting(EnvironmentSettingNames.AzureWebsiteContainerReady, "1");
ScriptSettingsManager.Instance.SetSetting(EnvironmentSettingNames.AzureWebsiteConfigurationReady, "1");
Assert.False(WebScriptHostManager.InStandbyMode);
Assert.True(ScriptSettingsManager.Instance.ContainerReady);
_httpServer.Dispose();
_httpClient.Dispose();
// give time for the specialization to happen
string[] logLines = null;
await TestHelpers.Await(() =>
{
// wait for the trace indicating that the host has been specialized
logLines = _loggerProvider.GetAllLogMessages().Where(p => p.FormattedMessage != null).Select(p => p.FormattedMessage).ToArray();
return(logLines.Contains("Generating 0 job function(s)"));
}, userMessageCallback : () => string.Join(Environment.NewLine, _loggerProvider.GetAllLogMessages().Select(p => $"[{p.Timestamp.ToString("HH:mm:ss.fff")}] {p.FormattedMessage}")));
// verify the rest of the expected logs
Assert.True(logLines.Count(p => p.Contains("Stopping Host")) >= 1);
Assert.Equal(1, logLines.Count(p => p.Contains("Creating StandbyMode placeholder function directory")));
Assert.Equal(1, logLines.Count(p => p.Contains("StandbyMode placeholder function directory created")));
Assert.Equal(2, logLines.Count(p => p.Contains("Starting Host (HostId=placeholder-host")));
Assert.Equal(2, logLines.Count(p => p.Contains("Host is in standby mode")));
Assert.Equal(2, logLines.Count(p => p.Contains("Executed 'Functions.WarmUp' (Succeeded")));
Assert.Equal(1, logLines.Count(p => p.Contains("Starting host specialization")));
Assert.Equal(1, logLines.Count(p => p.Contains($"Starting Host (HostId={_expectedHostId}")));
Assert.Contains("Generating 0 job function(s)", logLines);
WebScriptHostManager.ResetStandbyMode();
}
}
public void IsWarmUpRequest_ReturnsExpectedValue()
{
var request = HttpTestHelpers.CreateHttpRequest("POST", "http://azure.com/api/warmup");
Assert.False(StandbyManager.IsWarmUpRequest(request));
var vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0" },
{ EnvironmentSettingNames.AzureWebsiteInstanceId, null }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
// in this test we're forcing a transition from non-placeholder mode to placeholder mode
// which can't happen in the wild, so we force a reset here
WebScriptHostManager.ResetStandbyMode();
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1");
Assert.False(StandbyManager.IsWarmUpRequest(request));
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsiteInstanceId, "12345");
Assert.True(StandbyManager.IsWarmUpRequest(request));
request = HttpTestHelpers.CreateHttpRequest("POST", "http://azure.com/api/csharphttpwarmup");
Assert.True(StandbyManager.IsWarmUpRequest(request));
request = HttpTestHelpers.CreateHttpRequest("POST", "http://azure.com/api/warmup");
request.Headers.Add(ScriptConstants.AntaresLogIdHeaderName, "xyz123");
Assert.False(StandbyManager.IsWarmUpRequest(request));
request = HttpTestHelpers.CreateHttpRequest("POST", "http://azure.com/api/foo");
Assert.False(StandbyManager.IsWarmUpRequest(request));
}
vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0" },
{ EnvironmentSettingNames.AzureWebsiteInstanceId, null }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
WebScriptHostManager.ResetStandbyMode();
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1");
Assert.False(StandbyManager.IsWarmUpRequest(request));
request = HttpTestHelpers.CreateHttpRequest("POST", "http://azure.com/api/warmup");
_settingsManager.SetSetting(EnvironmentSettingNames.ContainerName, "TestContainer");
Assert.True(_settingsManager.IsLinuxContainerEnvironment);
Assert.True(StandbyManager.IsWarmUpRequest(request));
}
}
public StandbyModeTests()
{
_settingsManager = ScriptSettingsManager.Instance;
var eventManagerMock = new Mock <IScriptEventManager>();
var routerMock = new Mock <IWebJobsRouter>();
_webHostResolver = new WebHostResolver(_settingsManager, new TestSecretManagerFactory(false),
eventManagerMock.Object, WebHostSettings.CreateDefault(_settingsManager), routerMock.Object, new DefaultLoggerFactoryBuilder());
_traceWriter = new TestTraceWriter(TraceLevel.Info);
WebScriptHostManager.ResetStandbyMode();
}
public StandbyModeTests()
{
_settingsManager = ScriptSettingsManager.Instance;
var eventManagerMock = new Mock <IScriptEventManager>();
var routerMock = new Mock <IWebJobsRouter>();
var loggerFactory = new LoggerFactory();
loggerFactory.AddProvider(_loggerProvider);
_webHostResolver = new WebHostResolver(_settingsManager, new TestSecretManagerFactory(false), eventManagerMock.Object,
new WebHostSettings(), routerMock.Object, new TestLoggerProviderFactory(_loggerProvider),
loggerFactory);
WebScriptHostManager.ResetStandbyMode();
}
public async Task StartAssignment_AppliesAssignmentContext()
{
var envValue = new
{
Name = Path.GetTempFileName().Replace(".", string.Empty),
Value = Guid.NewGuid().ToString()
};
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1");
WebScriptHostManager.ResetStandbyMode();
var context = new HostAssignmentContext
{
Environment = new Dictionary <string, string>
{
{ envValue.Name, envValue.Value }
}
};
bool result = _instanceManager.StartAssignment(context);
Assert.True(result);
Assert.True(WebScriptHostManager.InStandbyMode);
// specialization is done in the background
await Task.Delay(500);
var value = Environment.GetEnvironmentVariable(envValue.Name);
Assert.Equal(value, envValue.Value);
// verify logs
var logs = _loggerProvider.GetAllLogMessages().Select(p => p.FormattedMessage).ToArray();
Assert.Collection(logs,
p => Assert.StartsWith("Starting Assignment", p),
p => Assert.StartsWith("Applying 1 app setting(s)", p),
p => Assert.StartsWith("Triggering specialization", p));
// calling again should return false, since we're no longer
// in placeholder mode
_loggerProvider.ClearAllLogMessages();
result = _instanceManager.StartAssignment(context);
Assert.False(result);
logs = _loggerProvider.GetAllLogMessages().Select(p => p.FormattedMessage).ToArray();
Assert.Collection(logs,
p => Assert.StartsWith("Assign called while host is not in placeholder mode", p));
}
public async Task StartAssignment_AppliesAssignmentContext()
{
var loggerFactory = MockNullLogerFactory.CreateLoggerFactory();
var settingsManager = new ScriptSettingsManager();
var instanceManager = new InstanceManager(settingsManager, null, loggerFactory, null);
var envValue = new
{
Name = Path.GetTempFileName().Replace(".", string.Empty),
Value = Guid.NewGuid().ToString()
};
settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1");
WebScriptHostManager.ResetStandbyMode();
var context = new HostAssignmentContext
{
Environment = new Dictionary <string, string>
{
{ envValue.Name, envValue.Value }
}
};
bool result = instanceManager.StartAssignment(context);
Assert.True(result);
// specialization is done in the background
await Task.Delay(500);
var value = Environment.GetEnvironmentVariable(envValue.Name);
Assert.Equal(value, envValue.Value);
// calling again should return false, since we're no longer
// in placeholder mode
result = instanceManager.StartAssignment(context);
Assert.False(result);
}
private void Reset()
{
WebScriptHostManager.ResetStandbyMode();
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, null);
}
private void Reset()
{
WebScriptHostManager.ResetStandbyMode();
WebHostResolver.Reset();
Environment.SetEnvironmentVariable("WEBSITE_PLACEHOLDER_MODE", null);
}
public async Task StandbyMode_EndToEnd()
{
var vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1" },
{ EnvironmentSettingNames.AzureWebsiteContainerReady, null },
{ EnvironmentSettingNames.AzureWebsiteInstanceId, "87654639876900123453445678890144" },
{ "AzureWebEncryptionKey", "0F75CA46E7EBDD39E4CA6B074D1F9A5972B849A55F91A248" }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
var httpConfig = new HttpConfiguration();
var testRootPath = Path.Combine(Path.GetTempPath(), "StandbyModeTest");
await FileUtility.DeleteDirectoryAsync(testRootPath, true);
var loggerProvider = new TestLoggerProvider();
var loggerProviderFactory = new TestLoggerProviderFactory(loggerProvider);
var webHostSettings = new WebHostSettings
{
IsSelfHost = true,
LogPath = Path.Combine(testRootPath, "Logs"),
SecretsPath = Path.Combine(testRootPath, "Secrets"),
ScriptPath = Path.Combine(testRootPath, "WWWRoot")
};
var loggerFactory = new LoggerFactory();
loggerFactory.AddProvider(loggerProvider);
var webHostBuilder = Program.CreateWebHostBuilder()
.ConfigureServices(c => {
c.AddSingleton(webHostSettings)
.AddSingleton <ILoggerProviderFactory>(loggerProviderFactory)
.AddSingleton <ILoggerFactory>(loggerFactory);
});
var httpServer = new TestServer(webHostBuilder);
var httpClient = httpServer.CreateClient();
httpClient.BaseAddress = new Uri("https://localhost/");
TestHelpers.WaitForWebHost(httpClient);
var traces = loggerProvider.GetAllLogMessages().ToArray();
Assert.NotNull(traces.Single(p => p.FormattedMessage.StartsWith("Starting Host (HostId=placeholder-host")));
Assert.NotNull(traces.Single(p => p.FormattedMessage.StartsWith("Host is in standby mode")));
// issue warmup request and verify
var request = new HttpRequestMessage(HttpMethod.Get, "api/warmup");
var response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
string responseBody = await response.Content.ReadAsStringAsync();
Assert.Equal("WarmUp complete.", responseBody);
// issue warmup request with restart and verify
request = new HttpRequestMessage(HttpMethod.Get, "api/warmup?restart=1");
response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
responseBody = await response.Content.ReadAsStringAsync();
Assert.Equal("WarmUp complete.", responseBody);
// Now specialize the host
ScriptSettingsManager.Instance.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0");
ScriptSettingsManager.Instance.SetSetting(EnvironmentSettingNames.AzureWebsiteContainerReady, "1");
Assert.False(WebScriptHostManager.InStandbyMode);
Assert.True(ScriptSettingsManager.Instance.ContainerReady);
// give time for the specialization to happen
string[] logLines = null;
await TestHelpers.Await(() =>
{
// wait for the trace indicating that the host has been specialized
logLines = loggerProvider.GetAllLogMessages().Where(p => p.FormattedMessage != null).Select(p => p.FormattedMessage).ToArray();
return(logLines.Contains("Generating 0 job function(s)"));
}, userMessageCallback : () => string.Join(Environment.NewLine, loggerProvider.GetAllLogMessages().Select(p => $"[{p.Timestamp.ToString("HH:mm:ss.fff")}] {p.FormattedMessage}")));
httpServer.Dispose();
httpClient.Dispose();
await Task.Delay(2000);
var hostConfig = WebHostResolver.CreateScriptHostConfiguration(webHostSettings, true);
var expectedHostId = hostConfig.HostConfig.HostId;
// verify the rest of the expected logs
string text = string.Join(Environment.NewLine, logLines);
Assert.True(logLines.Count(p => p.Contains("Stopping Host")) >= 1);
Assert.Equal(1, logLines.Count(p => p.Contains("Creating StandbyMode placeholder function directory")));
Assert.Equal(1, logLines.Count(p => p.Contains("StandbyMode placeholder function directory created")));
Assert.Equal(2, logLines.Count(p => p.Contains("Starting Host (HostId=placeholder-host")));
Assert.Equal(2, logLines.Count(p => p.Contains("Host is in standby mode")));
Assert.Equal(2, logLines.Count(p => p.Contains("Executed 'Functions.WarmUp' (Succeeded")));
Assert.Equal(1, logLines.Count(p => p.Contains("Starting host specialization")));
Assert.Equal(1, logLines.Count(p => p.Contains($"Starting Host (HostId={expectedHostId}")));
Assert.Contains("Generating 0 job function(s)", logLines);
WebScriptHostManager.ResetStandbyMode();
}
}
public StandbyManagerTests()
{
_settingsManager = ScriptSettingsManager.Instance;
WebScriptHostManager.ResetStandbyMode();
}
public async Task StandbyMode_EndToEnd_LinuxContainer()
{
byte[] bytes = TestHelpers.GenerateKeyBytes();
var encryptionKey = Convert.ToBase64String(bytes);
var vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.ContainerName, "TestContainer" },
{ EnvironmentSettingNames.ContainerEncryptionKey, encryptionKey },
{ EnvironmentSettingNames.AzureWebsiteContainerReady, null },
{ "AzureWebEncryptionKey", "0F75CA46E7EBDD39E4CA6B074D1F9A5972B849A55F91A248" }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
var httpConfig = new HttpConfiguration();
var testRootPath = Path.Combine(Path.GetTempPath(), "StandbyModeTest_Linux");
await FileUtility.DeleteDirectoryAsync(testRootPath, true);
var loggerProvider = new TestLoggerProvider();
var loggerProviderFactory = new TestLoggerProviderFactory(loggerProvider);
var webHostSettings = new WebHostSettings
{
IsSelfHost = true,
LogPath = Path.Combine(testRootPath, "Logs"),
SecretsPath = Path.Combine(testRootPath, "Secrets"),
ScriptPath = Path.Combine(testRootPath, "WWWRoot")
};
var loggerFactory = new LoggerFactory();
loggerFactory.AddProvider(loggerProvider);
var webHostBuilder = Program.CreateWebHostBuilder()
.ConfigureServices(c =>
{
c.AddSingleton(webHostSettings)
.AddSingleton <ILoggerProviderFactory>(loggerProviderFactory)
.AddSingleton <ILoggerFactory>(loggerFactory);
});
var httpServer = new TestServer(webHostBuilder);
var httpClient = httpServer.CreateClient();
httpClient.BaseAddress = new Uri("https://localhost/");
TestHelpers.WaitForWebHost(httpClient);
var traces = loggerProvider.GetAllLogMessages().ToArray();
Assert.NotNull(traces.Single(p => p.FormattedMessage.StartsWith("Starting Host (HostId=placeholder-host")));
Assert.NotNull(traces.Single(p => p.FormattedMessage.StartsWith("Host is in standby mode")));
// issue warmup request and verify
var request = new HttpRequestMessage(HttpMethod.Get, "api/warmup");
var response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
string responseBody = await response.Content.ReadAsStringAsync();
Assert.Equal("WarmUp complete.", responseBody);
// issue warmup request with restart and verify
request = new HttpRequestMessage(HttpMethod.Get, "api/warmup?restart=1");
response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
responseBody = await response.Content.ReadAsStringAsync();
Assert.Equal("WarmUp complete.", responseBody);
// Now specialize the host by invoking assign
var secretManager = httpServer.Host.Services.GetService <ISecretManager>();
var masterKey = (await secretManager.GetHostSecretsAsync()).MasterKey;
string uri = "admin/instance/assign";
request = new HttpRequestMessage(HttpMethod.Post, uri);
var environment = new Dictionary <string, string>();
var assignmentContext = new HostAssignmentContext
{
SiteId = 1234,
SiteName = "TestSite",
Environment = environment
};
var encryptedAssignmentContext = EncryptedHostAssignmentContext.Create(assignmentContext, encryptionKey);
string json = JsonConvert.SerializeObject(encryptedAssignmentContext);
request.Content = new StringContent(json, Encoding.UTF8, "application/json");
request.Headers.Add(AuthenticationLevelHandler.FunctionsKeyHeaderName, masterKey);
response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.Accepted, response.StatusCode);
// give time for the specialization to happen
string[] logLines = null;
await TestHelpers.Await(() =>
{
// wait for the trace indicating that the host has been specialized
logLines = loggerProvider.GetAllLogMessages().Where(p => p.FormattedMessage != null).Select(p => p.FormattedMessage).ToArray();
return(logLines.Contains("Generating 0 job function(s)"));
}, userMessageCallback : () => string.Join(Environment.NewLine, loggerProvider.GetAllLogMessages().Select(p => $"[{p.Timestamp.ToString("HH:mm:ss.fff")}] {p.FormattedMessage}")));
httpServer.Dispose();
httpClient.Dispose();
await Task.Delay(2000);
var hostConfig = WebHostResolver.CreateScriptHostConfiguration(webHostSettings, true);
var expectedHostId = hostConfig.HostConfig.HostId;
// verify the rest of the expected logs
string text = string.Join(Environment.NewLine, logLines);
Assert.True(logLines.Count(p => p.Contains("Stopping Host")) >= 1);
Assert.Equal(1, logLines.Count(p => p.Contains("Creating StandbyMode placeholder function directory")));
Assert.Equal(1, logLines.Count(p => p.Contains("StandbyMode placeholder function directory created")));
Assert.Equal(2, logLines.Count(p => p.Contains("Starting Host (HostId=placeholder-host")));
Assert.Equal(2, logLines.Count(p => p.Contains("Host is in standby mode")));
Assert.Equal(2, logLines.Count(p => p.Contains("Executed 'Functions.WarmUp' (Succeeded")));
Assert.Equal(1, logLines.Count(p => p.Contains("Starting host specialization")));
Assert.Equal(1, logLines.Count(p => p.Contains($"Starting Host (HostId={expectedHostId}")));
Assert.Contains("Generating 0 job function(s)", logLines);
WebScriptHostManager.ResetStandbyMode();
}
}
public async Task StandbyMode_EndToEnd_LinuxContainer()
{
byte[] bytes = TestHelpers.GenerateKeyBytes();
var encryptionKey = Convert.ToBase64String(bytes);
var vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.ContainerName, "TestApp" },
{ EnvironmentSettingNames.AzureWebsiteName, "TestApp" },
{ EnvironmentSettingNames.ContainerEncryptionKey, encryptionKey },
{ EnvironmentSettingNames.AzureWebsiteContainerReady, null },
{ EnvironmentSettingNames.AzureWebsiteConfigurationReady, null },
{ EnvironmentSettingNames.AzureWebsiteSku, "Dynamic" },
{ EnvironmentSettingNames.AzureWebsiteZipDeployment, null },
{ "AzureWebEncryptionKey", "0F75CA46E7EBDD39E4CA6B074D1F9A5972B849A55F91A248" }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
InitializeTestHost("Linux");
await VerifyWarmupSucceeds();
await VerifyWarmupSucceeds(restart : true);
// now specialize the site
await Assign(encryptionKey);
// immediately call a function - expect the call to block until
// the host is fully specialized
// the Unauthorized is expected since we havne't specified the key
// it's enough here to ensure we don't get a 404
var request = new HttpRequestMessage(HttpMethod.Get, $"api/httptrigger");
request.Headers.Add(ScriptConstants.AntaresColdStartHeaderName, "1");
var response = await _httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);
// now that the host is initialized, send a valid key
// and expect success
var secretManager = _httpServer.Host.Services.GetService <ISecretManager>();
var keys = await secretManager.GetFunctionSecretsAsync("HttpTrigger");
string key = keys.First().Value;
request = new HttpRequestMessage(HttpMethod.Get, $"api/httptrigger?code={key}");
request.Headers.Add(ScriptConstants.AntaresColdStartHeaderName, "1");
response = await _httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.False(WebScriptHostManager.InStandbyMode);
Assert.True(ScriptSettingsManager.Instance.ContainerReady);
// verify warmup function no longer there
request = new HttpRequestMessage(HttpMethod.Get, "api/warmup");
response = await _httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
_httpServer.Dispose();
_httpClient.Dispose();
// verify the expected logs
var logLines = _loggerProvider.GetAllLogMessages().Where(p => p.FormattedMessage != null).Select(p => p.FormattedMessage).ToArray();
Assert.True(logLines.Count(p => p.Contains("Stopping Host")) >= 1);
Assert.Equal(1, logLines.Count(p => p.Contains("Creating StandbyMode placeholder function directory")));
Assert.Equal(1, logLines.Count(p => p.Contains("StandbyMode placeholder function directory created")));
Assert.Equal(2, logLines.Count(p => p.Contains("Starting Host (HostId=placeholder-host")));
Assert.Equal(2, logLines.Count(p => p.Contains("Host is in standby mode")));
Assert.Equal(2, logLines.Count(p => p.Contains("Executed 'Functions.WarmUp' (Succeeded")));
Assert.Equal(1, logLines.Count(p => p.Contains("Validating host assignment context")));
Assert.Equal(1, logLines.Count(p => p.Contains("Starting Assignment")));
Assert.Equal(1, logLines.Count(p => p.Contains("Applying 1 app setting(s)")));
Assert.Equal(1, logLines.Count(p => p.Contains($"Extracting files to '{_webHostSettings.ScriptPath}'")));
Assert.Equal(1, logLines.Count(p => p.Contains("Zip extraction complete")));
Assert.Equal(1, logLines.Count(p => p.Contains("Triggering specialization")));
Assert.Equal(1, logLines.Count(p => p.Contains("Starting host specialization")));
Assert.Equal(1, logLines.Count(p => p.Contains($"Starting Host (HostId={_expectedHostId}")));
Assert.Contains("Node.js HttpTrigger function invoked.", logLines);
// verify cold start log entry
var coldStartLog = _loggerProvider.GetAllLogMessages().FirstOrDefault(p => p.Category == ScriptConstants.LogCategoryHostMetrics);
JObject coldStartData = JObject.Parse(coldStartLog.FormattedMessage);
Assert.Equal("Dynamic", coldStartData["sku"]);
Assert.True((int)coldStartData["dispatchDuration"] > 0);
Assert.True((int)coldStartData["functionDuration"] > 0);
WebScriptHostManager.ResetStandbyMode();
}
}
public async Task StandbyMode_EndToEnd()
{
var vars = new Dictionary <string, string>
{
{ EnvironmentSettingNames.AzureWebsitePlaceholderMode, "1" },
{ EnvironmentSettingNames.AzureWebsiteInstanceId, "87654639876900123453445678890144" }
};
using (var env = new TestScopedEnvironmentVariable(vars))
{
var httpConfig = new HttpConfiguration();
var settingsManager = ScriptSettingsManager.Instance;
var testRootPath = Path.Combine(Path.GetTempPath(), "StandbyModeTest");
if (Directory.Exists(testRootPath))
{
Directory.Delete(testRootPath, true);
}
var traceWriter = new TestTraceWriter(TraceLevel.Info);
var webHostSettings = new WebHostSettings
{
IsSelfHost = true,
LogPath = testRootPath,
SecretsPath = Path.Combine(testRootPath, "Secrets"),
ScriptPath = testRootPath,
TraceWriter = traceWriter
};
var httpServer = new HttpServer(httpConfig);
var httpClient = new HttpClient(httpServer);
httpClient.BaseAddress = new Uri("https://localhost/");
TestHelpers.WaitForWebHost(httpClient);
var traces = traceWriter.Traces.ToArray();
Assert.Equal($"Creating StandbyMode placeholder function directory ({Path.GetTempPath()}Functions\\Standby\\WWWRoot)", traces[0].Message);
Assert.Equal("StandbyMode placeholder function directory created", traces[1].Message);
// issue warmup request and verify
var request = new HttpRequestMessage(HttpMethod.Get, "api/warmup");
var response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
string responseBody = await response.Content.ReadAsStringAsync();
Assert.Equal("WarmUp complete.", responseBody);
// issue warmup request with restart and verify
request = new HttpRequestMessage(HttpMethod.Get, "api/warmup?restart=1");
response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
responseBody = await response.Content.ReadAsStringAsync();
Assert.Equal("WarmUp complete.", responseBody);
// Now specialize the host
ScriptSettingsManager.Instance.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0");
request = new HttpRequestMessage(HttpMethod.Get, "api/dne");
response = await httpClient.SendAsync(request);
Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
httpServer.Dispose();
httpClient.Dispose();
await Task.Delay(2000);
// verify logs
string[] logLines = traceWriter.Traces.Select(p => p.Message).ToArray();
Assert.Equal(2, logLines.Count(p => p.Contains("Host is in standby mode")));
Assert.Equal(2, logLines.Count(p => p.Contains("Stopping Host")));
Assert.Equal(2, logLines.Count(p => p.Contains("Executed 'Functions.WarmUp' (Succeeded")));
Assert.Equal(1, logLines.Count(p => p.Contains("Starting host specialization")));
WebScriptHostManager.ResetStandbyMode();
}
}
public StandbyManagerTests()
{
_settingsManager = ScriptSettingsManager.Instance;
_traceWriter = new TestTraceWriter(TraceLevel.Info);
WebScriptHostManager.ResetStandbyMode();
}
