public async Task <string> ValidateContext(HostAssignmentContext assignmentContext)
{
string error = null;
HttpResponseMessage response = null;
try
{
var zipUrl = assignmentContext.ZipUrl;
if (!string.IsNullOrEmpty(zipUrl))
{
// make sure the zip uri is valid and accessible
await OperationManager.AttemptAsync(async() =>
{
try
{
var request = new HttpRequestMessage(HttpMethod.Head, zipUrl);
response = await _client.SendAsync(request);
response.EnsureSuccessStatusCode();
}
catch (Exception)
{
throw;
}
}, retries : 2, delayBeforeRetry : 300 /*ms*/);
}
}
catch (Exception)
{
error = $"Invalid zip url specified (StatusCode: {response?.StatusCode})";
}
return(error);
}
public static async Task RestartMainSiteAsync(string requestId, TraceListener tracer)
{
Trace(tracer, TraceEventType.Information, "Requesting site restart");
VerifyEnvironments();
int attemptCount = 0;
try
{
await OperationManager.AttemptAsync(async() =>
{
attemptCount++;
Trace(tracer, TraceEventType.Information, $"Requesting site restart. Attempt #{attemptCount}");
await PostAsync(Constants.RestartApiPath, requestId, null);
Trace(tracer, TraceEventType.Information, $"Successfully requested a restart. Attempt #{attemptCount}");
}, RestartRetryCount, RestartRetryIntervalInMilliSeconds);
}
catch
{
Trace(tracer, TraceEventType.Information, $"Failed to request a restart. Number of attempts: {attemptCount}");
throw;
}
}
public async Task <bool> SendDeployStatusUpdate(DeployStatusApiResult updateStatusObj)
{
ITracer tracer = _traceFactory.GetTracer();
int attemptCount = 0;
try
{
await OperationManager.AttemptAsync(async() =>
{
attemptCount++;
tracer.Trace($" PostAsync - Trying to send {updateStatusObj.DeploymentStatus} deployment status to {Constants.UpdateDeployStatusPath}. Deployment Id is {updateStatusObj.DeploymentId}");
await PostDeploymentHelper.PostAsync(Constants.UpdateDeployStatusPath, _environment.RequestId, content: JsonConvert.SerializeObject(updateStatusObj));
}, 3, 5 * 1000);
// If no exception is thrown, the operation was a success
return(true);
}
catch (Exception ex)
{
tracer.TraceError($"Failed to request a post deployment status. Number of attempts: {attemptCount}. Exception: {ex}");
// Do not throw the exception
// We fail silently so that we do not fail the build altogether if this call fails
//throw;
return(false);
}
}
private static async Task RemoveLinuxConsumptionFunctionAppWorkers(DeploymentContext context)
{
string webSiteHostName = System.Environment.GetEnvironmentVariable(SettingsKeys.WebsiteHostname);
string sitename = ServerConfiguration.GetApplicationName();
context.Logger.Log($"Resetting all workers for {webSiteHostName}");
try
{
await OperationManager.AttemptAsync(async() =>
{
await PostDeploymentHelper.RemoveAllWorkersAsync(webSiteHostName, sitename);
}, retries : 3, delayBeforeRetry : 2000);
}
catch (ArgumentException ae)
{
context.Logger.Log($"Reset all workers has malformed webSiteHostName or sitename {ae.Message}");
throw new DeploymentFailedException(ae);
}
catch (HttpRequestException hre)
{
context.Logger.Log($"Reset all workers endpoint responded with {hre.Message}");
throw new DeploymentFailedException(hre);
}
}
private static async Task <bool> TryFunctionsRuntimeSyncTriggers(string requestId)
{
try
{
var scmHostName = IsLocalHost ? HttpAuthority : HttpHost;
var scmSplit = scmHostName.Split('.');
if (!(scmSplit.Length > 1 && scmSplit[1].Equals("scm", StringComparison.OrdinalIgnoreCase)))
{
return(false);
}
var functionsSiteHostName = string.Join(".", scmSplit.Where((el, idx) => idx != 1));
await OperationManager.AttemptAsync(async() => await PostAsync(Constants.FunctionsSyncTriggersApiPath, requestId,
hostName: functionsSiteHostName), retries : 3, delayBeforeRetry : 1000);
return(true);
}
catch (Exception)
{
Trace(TraceEventType.Information, "Syncing function triggers by calling the functions runtime site failed.");
return(false);
}
}
public static async Task UpdateSiteVersion(ArtifactDeploymentInfo deploymentInfo, IEnvironment environment, ITracer tracer)
{
var siteVersionPath = Path.Combine(environment.SitePackagesPath, Constants.PackageNameTxt);
using (tracer.Step($"Updating {siteVersionPath} with deployment {deploymentInfo.ArtifactFileName}"))
{
await OperationManager.AttemptAsync(() => FileSystemHelpers.WriteAllTextToFileAsync(siteVersionPath, deploymentInfo.ArtifactFileName));
}
}
public async Task Delete()
{
await OperationManager.AttemptAsync(async() =>
{
using (var response = await Client.DeleteAsync(
$"/subscriptions/{_config.Subscription}/resourceGroups/{_config.ResourceGroup}/providers/Microsoft.Web/sites/{AppName}?api-version=2016-03-01"))
{
response.EnsureSuccessStatusCode();
}
}, 5, 2000);
}
private static async Task FunctionHostSyncTriggersAsync(DeploymentContext context)
{
string webSiteHostName = System.Environment.GetEnvironmentVariable(SettingsKeys.WebsiteHostname);
context.Logger.Log($"Synchronizing function triggers for your function app {webSiteHostName}");
try
{
await OperationManager.AttemptAsync(async() =>
{
await PostDeploymentHelper.PerformFunctionHostSyncTriggersAsync(webSiteHostName);
}, retries : 3, delayBeforeRetry : 2000);
} catch (HttpRequestException hre)
{
context.Logger.Log($"Function triggers synchronization failed due to {hre.Message}");
}
}
public async Task SiteExtensionShouldDeployWebJobs()
{
const string appName = "SiteExtensionShouldDeployWebJobs";
await ApplicationManager.RunAsync(appName, async appManager =>
{
var manager = appManager.SiteExtensionManager;
await CleanSiteExtensions(manager);
TestTracer.Trace("Install site extension with jobs");
await manager.InstallExtension("filecounterwithwebjobs", null, "https://www.myget.org/F/amitaptest/");
TestTracer.Trace("Verify jobs were deployed");
await OperationManager.AttemptAsync(async() =>
{
var continuousJobs = (await appManager.JobsManager.ListContinuousJobsAsync()).ToArray();
Assert.Equal(1, continuousJobs.Length);
Assert.Equal("filecounterwithwebjobs(cjoba)", continuousJobs[0].Name);
TestTracer.Trace("Job status - {0}", continuousJobs[0].Status);
Assert.Equal("PendingRestart", continuousJobs[0].Status);
}, 100, 500);
TriggeredJob[] triggeredJobs;
await OperationManager.AttemptAsync(async() =>
{
triggeredJobs = (await appManager.JobsManager.ListTriggeredJobsAsync()).ToArray();
Assert.Equal(2, triggeredJobs.Length);
Assert.Equal("filecounterwithwebjobs(tjoba)", triggeredJobs[0].Name);
Assert.Equal("filecounterwithwebjobs(tjobb)", triggeredJobs[1].Name);
}, 100, 500);
TestTracer.Trace("Uninstall site extension with jobs");
await manager.UninstallExtension("filecounterwithwebjobs");
TestTracer.Trace("Verify jobs removed");
await OperationManager.AttemptAsync(async() =>
{
var continuousJobs2 = (await appManager.JobsManager.ListContinuousJobsAsync()).ToArray();
Assert.Equal(0, continuousJobs2.Length);
triggeredJobs = (await appManager.JobsManager.ListTriggeredJobsAsync()).ToArray();
Assert.Equal(0, triggeredJobs.Length);
}, 100, 500);
});
}
/// <summary>
/// This method tries to send the deployment status update through frontend to be saved to db
/// Since frontend throttling is in place, we retry 3 times with 5 sec gaps in between
/// </summary>
/// <param name="updateStatusObj">Obj containing status to save to DB</param>
/// <returns></returns>
private async Task SendDeployStatusUpdate(DeployStatusApiResult updateStatusObj)
{
int attemptCount = 0;
try
{
await OperationManager.AttemptAsync(async() =>
{
attemptCount++;
_tracer.Trace($" PostAsync - Trying to send {updateStatusObj.DeploymentStatus} deployment status to {Constants.UpdateDeployStatusPath}");
await PostDeploymentHelper.PostAsync(Constants.UpdateDeployStatusPath, _environment.RequestId, JsonConvert.SerializeObject(updateStatusObj));
}, 3, 5 *1000);
}
catch (Exception ex)
{
_tracer.TraceError($"Failed to request a post deployment status. Number of attempts: {attemptCount}. Exception: {ex}");
throw;
}
}
private static Task DeleteSiteAsync(ServerManager iis, string siteName, bool deletePhysicalFiles = true)
{
var site = iis.Sites[siteName];
if (site != null)
{
return(OperationManager.AttemptAsync(async() =>
{
await Task.Run(() =>
{
if (deletePhysicalFiles)
{
string physicalPath = site.Applications[0].VirtualDirectories[0].PhysicalPath;
DeleteSafe(physicalPath);
}
iis.Sites.Remove(site);
});
}));
}
return(Task.FromResult(0));
}
public static async Task <BaseApp> CreateApp(HttpClient client, MyConfig config, ILogger <AppManager> logger, string appName)
{
return(await OperationManager.AttemptAsync(async() =>
{
using (var response = await client.PutAsJsonAsync(
$"/subscriptions/{config.Subscription}/resourceGroups/{config.ResourceGroup}/providers/Microsoft.Web/sites/{appName}?api-version=2016-03-01",
new
{
location = config.Region,
kind = "functionapp",
properties = new
{
siteConfig = new
{
appSettings = new[]
{
new
{
name = "FUNCFILE",
value = "D:/local/funclite/index.js"
}
}
}
}
}))
{
response.EnsureSuccessStatusCode();
logger.LogInformation($"App {appName} was created successfully");
var json = await response.Content.ReadAsAsync <dynamic>();
var app = new WindowsApp(client, config, logger, json.properties);
await app.CompleteCreation();
return app;
}
}, 5, 2000));
}
private static async Task UpdateWebsiteRunFromPackageAppSetting(DeploymentContext context, CloudBlockBlob blob)
{
context.Logger.Log($"Updating WEBSITE_RUN_FROM_PACKAGE app setting for linux consumption app...");
SharedAccessBlobPolicy sasConstraints = new SharedAccessBlobPolicy();
sasConstraints.SharedAccessStartTime = DateTimeOffset.UtcNow.AddMinutes(-5);
sasConstraints.SharedAccessExpiryTime = DateTimeOffset.UtcNow.AddYears(10);
sasConstraints.Permissions = SharedAccessBlobPermissions.Read;
string token = blob.GetSharedAccessSignature(sasConstraints);
string sas = blob.Uri + token;
try
{
await OperationManager.AttemptAsync(async() =>
{
await PostDeploymentHelper.UpdateWebsiteRunFromPackage(sas, context);
}, retries : 3, delayBeforeRetry : 2000);
}
catch (ArgumentException ae)
{
context.Logger.Log($"Set run from package has malformed blob sas {ae.Message}");
throw new DeploymentFailedException(ae);
}
catch (HttpRequestException hre)
{
context.Logger.Log($"Set run from package endpoint responded with {hre.Message}");
Exception innerException = hre.InnerException;
while (innerException != null)
{
context.Logger.Log($"Inner Exception = {innerException.Message}");
innerException = innerException.InnerException;
}
throw new DeploymentFailedException(hre);
}
}
public static async Task <HttpContent> GetZipContentFromURL(ZipDeploymentInfo zipDeploymentInfo, ITracer tracer)
{
using (var client = new HttpClient(new HttpClientHandler()))
{
Uri uri = new Uri(zipDeploymentInfo.ZipURL);
using (tracer.Step("Trying to make a GET request to {0}", uri.AbsoluteUri))
{
try
{
return(await OperationManager.AttemptAsync <HttpContent>(async() =>
{
HttpResponseMessage response = await client.GetAsync(uri);
response.EnsureSuccessStatusCode();
return response.Content;
}));
}
catch (Exception ex)
{
tracer.TraceError(ex, "Could not make a successful GET request to {0}", uri.AbsoluteUri);
throw;
}
}
}
}
public async Task <Site> CreateSiteAsync(string applicationName)
{
using (ServerManager iis = GetServerManager())
{
try
{
var siteBindingCongfigs = new List <IBindingConfiguration>();
var svcSiteBindingCongfigs = new List <IBindingConfiguration>();
if (_context.Configuration != null && _context.Configuration.Bindings != null)
{
siteBindingCongfigs = _context.Configuration.Bindings.Where(b => b.SiteType == SiteType.Live).ToList();
svcSiteBindingCongfigs = _context.Configuration.Bindings.Where(b => b.SiteType == SiteType.Service).ToList();
}
// Determine the host header values
List <BindingInformation> siteBindings = BuildDefaultBindings(applicationName, siteBindingCongfigs).ToList();
List <BindingInformation> serviceSiteBindings = BuildDefaultBindings(applicationName, svcSiteBindingCongfigs).ToList();
// Create the service site for this site
var serviceSite = CreateSiteAsync(iis, applicationName, GetServiceSite(applicationName), _context.Configuration.ServiceSitePath, serviceSiteBindings);
// Create the main site
string siteName = GetLiveSite(applicationName);
string root = _context.Paths.GetApplicationPath(applicationName);
string siteRoot = _context.Paths.GetLiveSitePath(applicationName);
string webRoot = Path.Combine(siteRoot, Constants.WebRoot);
FileSystemHelpers.EnsureDirectory(webRoot);
File.WriteAllText(Path.Combine(webRoot, HostingStartHtml), HostingStartHtmlContents);
var site = CreateSiteAsync(iis, applicationName, siteName, webRoot, siteBindings);
// Map a path called _app to the site root under the service site
MapServiceSitePath(iis, applicationName, Constants.MappedSite, root);
// Commit the changes to iis
iis.CommitChanges();
var serviceUrls = serviceSite.Bindings
.Select(url => String.Format("{0}://{1}:{2}/", url.Protocol, String.IsNullOrEmpty(url.Host) ? "localhost" : url.Host, url.EndPoint.Port))
.ToList();
// Wait for the site to start
await OperationManager.AttemptAsync(() => WaitForSiteAsync(serviceUrls.First()));
// Set initial ScmType state to LocalGit
var settings = new RemoteDeploymentSettingsManager(serviceUrls.First() + "api/settings");
await settings.SetValue(SettingsKeys.ScmType, ScmType.LocalGit);
var siteUrls = site.Bindings
.Select(url => String.Format("{0}://{1}:{2}/", url.Protocol, String.IsNullOrEmpty(url.Host) ? "localhost" : url.Host, url.EndPoint.Port))
.ToList();
return(new Site
{
ServiceUrls = serviceUrls,
SiteUrls = siteUrls
});
}
catch
{
try
{
DeleteSiteAsync(applicationName).Wait();
}
catch
{
// Don't let it throw if we're unable to delete a failed creation.
}
throw;
}
}
}
public async Task <Site> CreateSiteAsync(string applicationName, ICredentials credentials = null)
{
using (var iis = GetServerManager())
{
try
{
// Determine the host header values
List <string> siteBindings = GetDefaultBindings(applicationName, _settingsResolver.SitesBaseUrl);
List <string> serviceSiteBindings = GetDefaultBindings(applicationName, _settingsResolver.ServiceSitesBaseUrl);
// Create the service site for this site
string serviceSiteName = GetServiceSite(applicationName);
var serviceSite = CreateSiteAsync(iis, applicationName, serviceSiteName, _pathResolver.ServiceSitePath, serviceSiteBindings, _settingsResolver.ServiceSiteBasicAuth, "kudu_service");
// Create the main site
string siteName = GetLiveSite(applicationName);
string root = _pathResolver.GetApplicationPath(applicationName);
string siteRoot = _pathResolver.GetLiveSitePath(applicationName);
string webRoot = Path.Combine(siteRoot, Constants.WebRoot);
FileSystemHelpers.EnsureDirectory(webRoot);
File.WriteAllText(Path.Combine(webRoot, HostingStartHtml), @"<html>
<head>
<title>This web site has been successfully created</title>
<style type=""text/css"">
BODY { color: #444444; background-color: #E5F2FF; font-family: verdana; margin: 0px; text-align: center; margin-top: 100px; }
H1 { font-size: 16pt; margin-bottom: 4px; }
</style>
</head>
<body>
<h1>This web site has been successfully created</h1><br/>
</body>
</html>");
var site = CreateSiteAsync(iis, applicationName, siteName, webRoot, siteBindings);
// Map a path called _app to the site root under the service site
MapServiceSitePath(iis, applicationName, Constants.MappedSite, root);
// Commit the changes to iis
iis.CommitChanges();
var serviceUrls = new List <Uri>();
foreach (var url in serviceSite.Bindings)
{
var builder = new UriBuilder
{
Host = String.IsNullOrEmpty(url.Host) ? "localhost" : url.Host,
Scheme = url.Protocol,
Port = url.EndPoint.Port == 80 ? -1 : url.EndPoint.Port
};
serviceUrls.Add(builder.Uri);
}
// Wait for the site to start
await OperationManager.AttemptAsync(() => WaitForSiteAsync(serviceUrls[0].ToString(), credentials));
// Set initial ScmType state to LocalGit
var settings = new RemoteDeploymentSettingsManager(serviceUrls.First() + "api/settings", credentials: credentials);
await settings.SetValue(SettingsKeys.ScmType, ScmType.LocalGit);
var siteUrls = new List <Uri>();
foreach (var url in site.Bindings)
{
var builder = new UriBuilder
{
Host = String.IsNullOrEmpty(url.Host) ? "localhost" : url.Host,
Scheme = url.Protocol,
Port = url.EndPoint.Port == 80 ? -1 : url.EndPoint.Port
};
siteUrls.Add(builder.Uri);
}
return(new Site
{
ServiceUrls = serviceUrls,
SiteUrls = siteUrls
});
}
catch
{
try
{
DeleteSiteAsync(applicationName).Wait();
}
catch
{
// Don't let it throw if we're unable to delete a failed creation.
}
throw;
}
}
}
