public void VerifyInitializerRespectsChangesToRoleNameContainerRoleName()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "a.b.c.azurewebsites.net");
var ac = new HttpContextAccessor {
HttpContext = null
};
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(webAppSuffix: ".azurewebsites.net");
var requestTelemetry1 = new RequestTelemetry();
initializer.Initialize(requestTelemetry1);
Assert.Equal("a.b.c", requestTelemetry1.Context.Cloud.RoleName);
RoleNameContainer.Instance.RoleName = "test";
var requestTelemetry2 = new RequestTelemetry();
initializer.Initialize(requestTelemetry2);
Assert.Equal("test", requestTelemetry2.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeDoesNotThrowIfRequestIsUnavailable()
{
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessorWithoutRequest(new HttpContextStub(), new RequestTelemetry());
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
initializer.Initialize(new EventTelemetry());
}
public void InitializeDoesNotThrowIfHostNameHeaderIsNull()
{
var requestTelemetry = new RequestTelemetry();
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
initializer.Initialize(requestTelemetry);
}
public void InitializeDoesNotThrowIfRequestServicesAreUnavailable()
{
var ac = new HttpContextAccessor {
HttpContext = new DefaultHttpContext()
};
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(ac);
initializer.Initialize(new RequestTelemetry());
}
public void InitializeDoesNotThrowIfHeaderCollectionIsUnavailable()
{
var httpContext = new HttpContextStub();
httpContext.OnRequestGetter = () => new HttpRequestStub(httpContext);
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessorWithoutRequest(httpContext, new RequestTelemetry());
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
initializer.Initialize(new EventTelemetry());
}
public void InitializeSetsRoleNameFromHostNameWithAzureWebsites()
{
var requestTelemetry = new RequestTelemetry();
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
contextAccessor.HttpContext.Request.Headers.Add("WAS-DEFAULT-HOSTNAME", new string[] { "appserviceslottest-ppe.azurewebsites.net" });
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
initializer.Initialize(requestTelemetry);
Assert.Equal("appserviceslottest-ppe", requestTelemetry.Context.Cloud.RoleName);
}
public void InitializewithNoEnvToHostNameHeader()
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
var ac = new HttpContextAccessor {
HttpContext = null
};
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(ac);
var requestTelemetry = new RequestTelemetry();
initializer.Initialize(requestTelemetry);
Assert.Null(requestTelemetry.Context.Cloud.RoleName);
}
public void InitializeSavesRoleNameIntoRequestFromHostNameHeader()
{
var requestTelemetry = new RequestTelemetry();
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
contextAccessor.HttpContext.Request.Headers.Add("WAS-DEFAULT-HOSTNAME", new string[] { "MyAppServiceProd" });
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
var evt = new EventTelemetry();
initializer.Initialize(evt);
Assert.Equal("MyAppServiceProd", evt.Context.Cloud.RoleName);
Assert.Equal("MyAppServiceProd", requestTelemetry.Context.Cloud.RoleName);
}
public void InitializeDoesNotOverrideRoleName()
{
var requestTelemetry = new RequestTelemetry();
requestTelemetry.Context.Cloud.RoleName = "ExistingRoleName";
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
contextAccessor.HttpContext.Request.Headers.Add("WAS-DEFAULT-HOSTNAME", new string[] { "MyAppServiceProd" });
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
initializer.Initialize(requestTelemetry);
Assert.Equal("ExistingRoleName", requestTelemetry.Context.Cloud.RoleName);
}
public void InitializeFallsbackToEnvIfRequestIsUnavailable()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "RoleNameEnv");
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer();
var req = new RequestTelemetry();
initializer.Initialize(req);
Assert.Equal("RoleNameEnv", req.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void VerifyInitializerWorksAsExpected()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "a.b.c.azurewebsites.net");
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(webAppSuffix: ".azurewebsites.net");
var requestTelemetry1 = new RequestTelemetry();
initializer.Initialize(requestTelemetry1);
Assert.Equal("a.b.c", requestTelemetry1.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeSetsRoleNameFromRequestTelemetryIfPresent()
{
var requestTelemetry = new RequestTelemetry();
requestTelemetry.Context.Cloud.RoleName = "RoleNameOnRequest";
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
contextAccessor.HttpContext.Request.Headers.Add("WAS-DEFAULT-HOSTNAME", new string[] { "RoleNameOnHeader" });
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
var evt = new EventTelemetry();
initializer.Initialize(evt);
Assert.Equal("RoleNameOnRequest", evt.Context.Cloud.RoleName);
}
public void InitializeFallsbackToEnvIfHostNameHeaderIsNull()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "RoleNameEnv");
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor();
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
var req = new RequestTelemetry();
initializer.Initialize(req);
Assert.Equal("RoleNameEnv", req.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeSetsRoleNameFromEnvWithAzureWebsitesCustom()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "appserviceslottest-ppe.azurewebsites.us");
var requestTelemetry = new RequestTelemetry();
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor, ".azurewebsites.us");
initializer.Initialize(requestTelemetry);
Assert.Equal("appserviceslottest-ppe", requestTelemetry.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeFallsbackToEnvIfHttpContextIsUnavailableWithAzureWebsitesHostnameending()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "RoleNameEnv.azurewebsites.net");
var ac = new HttpContextAccessor {
HttpContext = null
};
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(ac);
var req = new RequestTelemetry();
initializer.Initialize(req);
Assert.Equal("RoleNameEnv", req.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeFallsbackToEnvIfHostNameIsEmptyInHeader()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "RoleNameEnv");
var requestTelemetry = new RequestTelemetry();
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessor(requestTelemetry);
contextAccessor.HttpContext.Request.Headers.Add("WAS-DEFAULT-HOSTNAME", new string[] { string.Empty });
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
initializer.Initialize(requestTelemetry);
Assert.Equal("RoleNameEnv", requestTelemetry.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeFallsbackToEnvIfHeaderCollectionIsUnavailable()
{
try
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", "RoleNameEnv");
var httpContext = new HttpContextStub();
httpContext.OnRequestGetter = () => new HttpRequestStub(httpContext);
var contextAccessor = HttpContextAccessorHelper.CreateHttpContextAccessorWithoutRequest(httpContext, new RequestTelemetry());
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(contextAccessor);
var req = new RequestTelemetry();
initializer.Initialize(req);
Assert.Equal("RoleNameEnv", req.Context.Cloud.RoleName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_HOSTNAME", null);
}
}
public void InitializeThrowIfHttpContextAccessorIsNull()
{
Assert.ThrowsAny <ArgumentNullException>(() => { var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer(null); });
}
public void InitializeDoesNotThrowIfRequestIsUnavailable()
{
var initializer = new AzureAppServiceRoleNameFromHostNameHeaderInitializer();
initializer.Initialize(new EventTelemetry());
}