private static void CurrentDomainOnUnhandledExceptionInLinuxConsumption(object sender, UnhandledExceptionEventArgs e)
{
// Fallback console logs in case kusto logging fails.
Console.WriteLine($"{nameof(CurrentDomainOnUnhandledExceptionInLinuxConsumption)}: {e.ExceptionObject}");
LinuxContainerEventGenerator.LogUnhandledException((Exception)e.ExceptionObject);
}
public void ParseLogEvents(LogLevel level, string subscriptionId, string appName, string functionName, string eventName, string source, string details, string summary, string exceptionType, string exceptionMessage, string functionInvocationId, string hostInstanceId, string activityId)
{
_generator.LogFunctionTraceEvent(level, subscriptionId, appName, functionName, eventName, source, details, summary, exceptionType, exceptionMessage, functionInvocationId, hostInstanceId, activityId);
string evt = _events.Single();
evt = JsonSerializeEvent(evt);
Regex regex = new Regex(LinuxContainerEventGenerator.TraceEventRegex);
var match = regex.Match(evt);
Assert.True(match.Success);
Assert.Equal(16, match.Groups.Count);
DateTime dt;
var groupMatches = match.Groups.Select(p => p.Value).Skip(1).ToArray();
Assert.Collection(groupMatches,
p => Assert.Equal((int)LinuxContainerEventGenerator.ToEventLevel(level), int.Parse(p)),
p => Assert.Equal(subscriptionId, p),
p => Assert.Equal(appName, p),
p => Assert.Equal(functionName, p),
p => Assert.Equal(eventName, p),
p => Assert.Equal(source, p),
p => Assert.Equal(details, JsonUnescape(p)),
p => Assert.Equal(summary, JsonUnescape(p)),
p => Assert.Equal(ScriptHost.Version, p),
p => Assert.True(DateTime.TryParse(p, out dt)),
p => Assert.Equal(exceptionType, p),
p => Assert.Equal(exceptionMessage, JsonUnescape(p)),
p => Assert.Equal(functionInvocationId, p),
p => Assert.Equal(hostInstanceId, p),
p => Assert.Equal(activityId, p));
}
private bool IsZipDeployment(out bool isScmRunFromPackage)
{
// Check app settings for run from package.
bool runFromPkgConfigured = Utility.IsValidZipSetting(_environment.GetEnvironmentVariable(AzureWebsiteZipDeployment)) ||
Utility.IsValidZipSetting(_environment.GetEnvironmentVariable(AzureWebsiteAltZipDeployment)) ||
Utility.IsValidZipSetting(_environment.GetEnvironmentVariable(AzureWebsiteRunFromPackage));
if (!_environment.IsLinuxConsumption())
{
isScmRunFromPackage = false;
// This check is strong enough for SKUs other than Linux Consumption.
return(runFromPkgConfigured);
}
// The following logic only applies to Linux Consumption, since currently SCM_RUN_FROM_PACKAGE is always set even if we are not using it.
if (runFromPkgConfigured)
{
isScmRunFromPackage = false;
return(true);
}
// If SCM_RUN_FROM_PACKAGE is set to a valid value and the blob exists, it's a zip deployment.
var url = _environment.GetEnvironmentVariable(ScmRunFromPackage);
if (string.IsNullOrEmpty(url))
{
LinuxContainerEventGenerator.LogEvent(message: $"{nameof(ScmRunFromPackage)} is empty.", source: nameof(ScriptApplicationHostOptionsSetup));
isScmRunFromPackage = false;
return(false);
}
if (Utility.TryCleanUrl(url, out string cleanedUrl))
{
LinuxContainerEventGenerator.LogEvent(message: $"{nameof(ScmRunFromPackage)} = {cleanedUrl}", source: nameof(ScriptApplicationHostOptionsSetup));
}
var isValidZipSetting = Utility.IsValidZipSetting(url);
LinuxContainerEventGenerator.LogEvent(message: $"{nameof(ScmRunFromPackage)} isValidZipSetting = {isValidZipSetting}", source: nameof(ScriptApplicationHostOptionsSetup));
if (!isValidZipSetting)
{
isScmRunFromPackage = false;
// Return early so we don't call storage if it isn't absolutely necessary.
return(false);
}
var blobExists = BlobExists(url);
LinuxContainerEventGenerator.LogEvent(message: $"{nameof(ScmRunFromPackage)} blobExists = {blobExists}", source: nameof(ScriptApplicationHostOptionsSetup));
bool scmRunFromPkgConfigured = isValidZipSetting && blobExists;
isScmRunFromPackage = scmRunFromPkgConfigured;
return(scmRunFromPkgConfigured);
}
public LinuxContainerEventGeneratorTests()
{
_events = new List <string>();
Action <string> writer = (s) =>
{
_events.Add(s);
};
_generator = new LinuxContainerEventGenerator(writer);
}
public LinuxContainerEventGeneratorTests()
{
_events = new List <string>();
Action <string> writer = (s) =>
{
_events.Add(s);
};
var mockEnvironment = new Mock <IEnvironment>(MockBehavior.Strict);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.ContainerName)).Returns(_containerName);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.WebSiteHomeStampName)).Returns(_stampName);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.WebSiteStampDeploymentId)).Returns(_tenantId);
_generator = new LinuxContainerEventGenerator(mockEnvironment.Object, writer);
}
public virtual bool BlobExists(string url)
{
if (string.IsNullOrEmpty(url))
{
return(false);
}
try
{
BlobClient blobClient = new BlobClient(new Uri(url));
int attempt = 0;
while (true)
{
try
{
return(blobClient.Exists());
}
catch (Exception ex) when(!ex.IsFatal())
{
LinuxContainerEventGenerator.LogEvent(message: $"Exception when checking if {nameof(ScmRunFromPackage)} blob exists", e: ex,
logLevel: LogLevel.Error, source: nameof(ScriptApplicationHostOptionsSetup));
if (++attempt > 2)
{
return(false);
}
Thread.Sleep(TimeSpan.FromSeconds(0.3));
}
}
}
catch (Exception ex)
{
LinuxContainerEventGenerator.LogEvent(message: $"Failed to check status of {nameof(ScmRunFromPackage)}", e: ex,
logLevel: LogLevel.Error, source: nameof(ScriptApplicationHostOptionsSetup));
return(false);
}
}
public LinuxContainerEventGeneratorTests()
{
_events = new List <string>();
Action <string> writer = (s) =>
{
_events.Add(s);
};
var mockEnvironment = new Mock <IEnvironment>(MockBehavior.Strict);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.ContainerName)).Returns(_containerName);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.WebSiteHomeStampName)).Returns(_stampName);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.WebSiteStampDeploymentId)).Returns(_tenantId);
mockEnvironment.Setup(p => p.GetEnvironmentVariable(EnvironmentSettingNames.LinuxNodeIpAddress)).Returns(_testNodeAddress);
var standbyOptions = new TestOptionsMonitor <StandbyOptions>(new StandbyOptions {
InStandbyMode = true
});
var handlerMock = new Mock <HttpMessageHandler>(MockBehavior.Strict);
var httpClient = new HttpClient(handlerMock.Object);
_generator = new LinuxContainerEventGenerator(mockEnvironment.Object, writer);
}
public void ToEventLevel_ReturnsExpectedValue(LogLevel logLevel, EventLevel eventLevel)
{
Assert.Equal(eventLevel, LinuxContainerEventGenerator.ToEventLevel(logLevel));
}
