private async Task Specialize(HostAssignmentContext assignmentContext)
{
try
{
var zip = assignmentContext.ZipUrl;
if (!string.IsNullOrEmpty(zip))
{
// download zip and extract
var filePath = Path.GetTempFileName();
await DownloadAsync(new Uri(zip), filePath);
assignmentContext.ApplyAppSettings();
ZipFile.ExtractToDirectory(filePath, _webHostSettings.ScriptPath, overwriteFiles: true);
}
else
{
assignmentContext.ApplyAppSettings();
}
// set flags which will trigger specialization
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsitePlaceholderMode, "0");
_settingsManager.SetSetting(EnvironmentSettingNames.AzureWebsiteContainerReady, "1");
}
catch (Exception ex)
{
_logger.LogError(ex, $"Error calling {nameof(Specialize)}");
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings(_environment);
// We need to get the non-PlaceholderMode script path so we can unzip to the correct location.
// This asks the factory to skip the PlaceholderMode check when configuring options.
var options = _optionsFactory.Create(ScriptApplicationHostOptionsSetup.SkipPlaceholder);
var zipPath = assignmentContext.ZipUrl;
if (!string.IsNullOrEmpty(zipPath))
{
// download zip and extract
var zipUri = new Uri(zipPath);
var filePath = await DownloadAsync(zipUri);
UnpackPackage(filePath, options.ScriptPath);
string bundlePath = Path.Combine(options.ScriptPath, "worker-bundle");
if (Directory.Exists(bundlePath))
{
_logger.LogInformation($"Python worker bundle detected");
}
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings(_environment);
// We need to get the non-PlaceholderMode script Path so we can unzip to the correct location.
// This asks the factory to skip the PlaceholderMode check when configuring options.
var options = _optionsFactory.Create(ScriptApplicationHostOptionsSetup.SkipPlaceholder);
RunFromPackageContext pkgContext = assignmentContext.GetRunFromPkgContext();
if ((pkgContext.IsScmRunFromPackage() && await pkgContext.BlobExistsAsync(_logger)) ||
(!pkgContext.IsScmRunFromPackage() && !string.IsNullOrEmpty(pkgContext.Url) && pkgContext.Url != "1"))
{
await ApplyBlobPackageContext(pkgContext, options.ScriptPath);
}
else if (!string.IsNullOrEmpty(assignmentContext.AzureFilesConnectionString))
{
await _meshInitServiceClient.MountCifs(assignmentContext.AzureFilesConnectionString, assignmentContext.AzureFilesContentShare, "/home");
}
// BYOS
var storageVolumes = assignmentContext.GetBYOSEnvironmentVariables()
.Select(AzureStorageInfoValue.FromEnvironmentVariable).ToList();
var mountedVolumes =
(await Task.WhenAll(storageVolumes.Where(v => v != null).Select(MountStorageAccount))).Where(
result => result).ToList();
if (mountedVolumes.Count != storageVolumes.Count)
{
_logger.LogWarning(
$"Successfully mounted {mountedVolumes.Count} / {storageVolumes.Count} BYOS storage accounts");
}
}
private async Task Assign(HostAssignmentContext assignmentContext)
{
try
{
// first make all environment and file system changes required for
// the host to be specialized
assignmentContext.ApplyAppSettings();
KuduEventGenerator.Log(null).LogMessage(EventLevel.Informational, assignmentContext.SiteName,
$"Mounting file share at {DateTime.UtcNow}", string.Empty);
// Limit the amount of time time we allow for mounting to complete
var mounted = await MountFileShareWithin(TimeSpan.FromSeconds(30));
KuduEventGenerator.Log(null).LogMessage(EventLevel.Informational, assignmentContext.SiteName,
$"Mount file share result: {mounted} at {DateTime.UtcNow}", string.Empty);
}
catch (Exception)
{
throw;
}
finally
{
// all assignment settings/files have been applied so we can flip
// the switch now on specialization
// even if there are failures applying context above, we want to
// leave placeholder mode
_linuxConsumptionEnv.FlagAsSpecializedAndReady();
_linuxConsumptionEnv.ResumeRequests();
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings(_environment);
// We need to get the non-PlaceholderMode script path so we can unzip to the correct location.
// This asks the factory to skip the PlaceholderMode check when configuring options.
var options = _optionsFactory.Create(ScriptApplicationHostOptionsSetup.SkipPlaceholder);
var zipPath = assignmentContext.ZipUrl;
if (!string.IsNullOrEmpty(zipPath))
{
// download zip and extract
var zipUri = new Uri(zipPath);
var filePath = Path.GetTempFileName();
await DownloadAsync(zipUri, filePath);
using (_metricsLogger.LatencyEvent(MetricEventNames.LinuxContainerSpecializationZipExtract))
{
_logger.LogInformation($"Extracting files to '{options.ScriptPath}'");
ZipFile.ExtractToDirectory(filePath, options.ScriptPath, overwriteFiles: true);
_logger.LogInformation($"Zip extraction complete");
}
string bundlePath = Path.Combine(options.ScriptPath, "worker-bundle");
if (Directory.Exists(bundlePath))
{
_logger.LogInformation($"Python worker bundle detected");
}
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings(_environment);
// We need to get the non-PlaceholderMode script Path so we can unzip to the correct location.
// This asks the factory to skip the PlaceholderMode check when configuring options.
var options = _optionsFactory.Create(ScriptApplicationHostOptionsSetup.SkipPlaceholder);
RunFromPackageContext pkgContext = assignmentContext.GetRunFromPkgContext();
if ((pkgContext.IsScmRunFromPackage() && await pkgContext.BlobExistsAsync(_logger)) ||
(!pkgContext.IsScmRunFromPackage() && !string.IsNullOrEmpty(pkgContext.Url) && pkgContext.Url != "1"))
{
await ApplyBlobPackageContext(pkgContext, options.ScriptPath);
}
else if (!string.IsNullOrEmpty(assignmentContext.AzureFilesConnectionString))
{
await MountCifs(assignmentContext.AzureFilesConnectionString, assignmentContext.AzureFilesContentShare, "/home");
}
// Irrespective of deployment mechanism mount the share for user data files.
if (assignmentContext.IsUserDataMountEnabled())
{
if (!string.IsNullOrEmpty(assignmentContext.AzureFilesConnectionString) &&
!string.IsNullOrEmpty(assignmentContext.AzureFilesContentShare))
{
await MountUserData(assignmentContext);
}
else
{
_logger.LogWarning(
$"{EnvironmentSettingNames.AzureFilesConnectionString} or {EnvironmentSettingNames.AzureFilesContentShare} is empty. User data share will not be mounted");
}
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings();
if (!string.IsNullOrEmpty(assignmentContext.ZipUrl))
{
// download zip and extract
var zipUri = new Uri(assignmentContext.ZipUrl);
var filePath = Path.GetTempFileName();
await DownloadAsync(zipUri, filePath);
_logger.LogInformation($"Extracting files to '{_webHostSettings.ScriptPath}'");
ZipFile.ExtractToDirectory(filePath, _webHostSettings.ScriptPath, overwriteFiles: true);
_logger.LogInformation($"Zip extraction complete");
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings(_environment);
// We need to get the non-PlaceholderMode script Path so we can unzip to the correct location.
// This asks the factory to skip the PlaceholderMode check when configuring options.
var options = _optionsFactory.Create(ScriptApplicationHostOptionsSetup.SkipPlaceholder);
RunFromPackageContext pkgContext = assignmentContext.GetRunFromPkgContext();
if ((pkgContext.IsScmRunFromPackage() && await pkgContext.BlobExistsAsync(_logger)) ||
(!pkgContext.IsScmRunFromPackage() && !string.IsNullOrEmpty(pkgContext.Url) && pkgContext.Url != "1"))
{
await ApplyBlobPackageContext(pkgContext, options.ScriptPath);
}
else if (!string.IsNullOrEmpty(assignmentContext.AzureFilesConnectionString))
{
ApplyAzureFilesContext(assignmentContext.AzureFilesConnectionString, assignmentContext.AzureFilesContentShare, "/home");
}
}
private async Task Assign(HostAssignmentContext assignmentContext)
{
try
{
// first make all environment and file system changes required for
// the host to be specialized
assignmentContext.ApplyAppSettings();
}
catch (Exception)
{
throw;
}
finally
{
// all assignment settings/files have been applied so we can flip
// the switch now on specialization
// even if there are failures applying context above, we want to
// leave placeholder mode
_linuxConsumptionEnv.FlagAsSpecializedAndReady();
_linuxConsumptionEnv.ResumeRequests();
}
}
private async Task ApplyContext(HostAssignmentContext assignmentContext)
{
_logger.LogInformation($"Applying {assignmentContext.Environment.Count} app setting(s)");
assignmentContext.ApplyAppSettings(_environment, _logger);
// We need to get the non-PlaceholderMode script Path so we can unzip to the correct location.
// This asks the factory to skip the PlaceholderMode check when configuring options.
var options = _optionsFactory.Create(ScriptApplicationHostOptionsSetup.SkipPlaceholder);
RunFromPackageContext pkgContext = assignmentContext.GetRunFromPkgContext();
if (_environment.SupportsAzureFileShareMount())
{
var azureFilesMounted = false;
if (assignmentContext.IsAzureFilesContentShareConfigured(_logger))
{
azureFilesMounted = await _runFromPackageHandler.MountAzureFileShare(assignmentContext);
}
else
{
_logger.LogError(
$"No {nameof(EnvironmentSettingNames.AzureFilesConnectionString)} or {nameof(EnvironmentSettingNames.AzureFilesContentShare)} configured. Azure FileShare will not be mounted. For PowerShell Functions, Managed Dependencies will not persisted across functions host instances.");
}
if (pkgContext.IsRunFromPackage(options, _logger))
{
if (azureFilesMounted)
{
_logger.LogWarning("App is configured to use both Run-From-Package and AzureFiles. Run-From-Package will take precedence");
}
var blobContextApplied =
await _runFromPackageHandler.ApplyBlobPackageContext(pkgContext, options.ScriptPath,
azureFilesMounted, false);
if (!blobContextApplied && azureFilesMounted)
{
_logger.LogWarning($"Failed to {nameof(_runFromPackageHandler.ApplyBlobPackageContext)}. Attempting to use local disk instead");
await _runFromPackageHandler.ApplyBlobPackageContext(pkgContext, options.ScriptPath, false);
}
}
else
{
_logger.LogInformation($"No {nameof(EnvironmentSettingNames.AzureWebsiteRunFromPackage)} configured");
}
}
else
{
if (pkgContext.IsRunFromPackage(options, _logger))
{
await _runFromPackageHandler.ApplyBlobPackageContext(pkgContext, options.ScriptPath, false);
}
else if (assignmentContext.IsAzureFilesContentShareConfigured(_logger))
{
await _runFromPackageHandler.MountAzureFileShare(assignmentContext);
}
}
// BYOS
var storageVolumes = assignmentContext.GetBYOSEnvironmentVariables()
.Select(AzureStorageInfoValue.FromEnvironmentVariable).ToList();
var mountedVolumes =
(await Task.WhenAll(storageVolumes.Where(v => v != null).Select(MountStorageAccount))).Where(
result => result).ToList();
if (storageVolumes.Any())
{
if (mountedVolumes.Count != storageVolumes.Count)
{
_logger.LogWarning(
$"Successfully mounted {mountedVolumes.Count} / {storageVolumes.Count} BYOS storage accounts");
}
else
{
_logger.LogInformation(
$"Successfully mounted {storageVolumes.Count} BYOS storage accounts");
}
}
}
