protected override void OnProcessing(RoleInfo roleInfo)
{
var interpPath = FindPythonInterpreterPath();
if (interpPath != null)
{
string stdOut, stdErr;
string originalDir = Directory.GetCurrentDirectory();
Directory.SetCurrentDirectory(Path.Combine(RootPath, roleInfo.Name));
try
{
ProcessHelper.StartAndWaitForProcess(
new ProcessStartInfo(
Path.Combine(interpPath, PythonInterpreterExe),
string.Format(DjangoStartProjectCommand, roleInfo.Name)
),
out stdOut,
out stdErr);
}
finally
{
Directory.SetCurrentDirectory(originalDir);
}
if (!string.IsNullOrEmpty(stdErr))
{
WriteWarning(string.Format(Resources.UnableToCreateDjangoApp, stdErr));
WriteWarning(Resources.UnableToCreateDjangoAppFix);
}
}
else
{
WriteWarning(Resources.MissingPythonPreReq);
}
}
protected virtual void OnProcessing(RoleInfo roleInfo)
{
// Placeholder for work to do after adding the role scaffolding.
}
private Dictionary<string, object> CreateDefaultParameters(RoleInfo role)
{
Dictionary<string, object> parameters = new Dictionary<string, object>();
parameters[ScaffoldParams.Role] = role;
parameters[ScaffoldParams.Components] = Components;
parameters[ScaffoldParams.RoleName] = role.Name;
parameters[ScaffoldParams.InstancesCount] = role.InstanceCount;
parameters[ScaffoldParams.Port] = Components.GetNextPort();
parameters[ScaffoldParams.Paths] = Paths;
return parameters;
}
/// <summary>
/// Adds the given role to both config files and the service def.
/// </summary>
/// <param name="role"></param>
private void AddPythonRoleCore(RoleInfo role, RoleType type)
{
Dictionary<string, object> parameters = CreateDefaultParameters(role);
string scaffoldPath = Path.Combine(Path.Combine(scaffoldingFolderPath, Resources.PythonScaffolding), type.ToString());
Scaffold.GenerateScaffolding(scaffoldPath, Path.Combine(Paths.RootPath, role.Name), parameters);
}
/// <summary>
/// Adds the given role to both config files and the service def.
/// </summary>
private void AddRoleCore(string scaffolding, RoleInfo role)
{
Dictionary<string, object> parameters = CreateDefaultParameters(role);
parameters[ScaffoldParams.NodeModules] = General.GetNodeModulesPath();
parameters[ScaffoldParams.NodeJsProgramFilesX86] = General.GetWithProgramFilesPath(Resources.NodeProgramFilesFolderName, false);
GenerateScaffolding(scaffolding, role.Name, parameters);
}
/// <summary>
/// Configure the worker role for caching by:
/// * Add caching module to the role imports.
/// * Enable caching Diagnostic store.
/// * Remove input endpoints.
/// * Add caching configuration settings.
/// </summary>
/// <param name="rootPath"></param>
/// <param name="cacheRoleInfo"></param>
/// <returns></returns>
private AzureService Version180Configuration(string rootPath, RoleInfo cacheRoleInfo)
{
// Fetch cache role information from service definition and service configuration files.
AzureService azureService = new AzureService(rootPath, null);
WorkerRole cacheWorkerRole = azureService.Components.GetWorkerRole(cacheRoleInfo.Name);
RoleSettings cacheRoleSettings = azureService.Components.GetCloudConfigRole(cacheRoleInfo.Name);
// Add caching module to the role imports
cacheWorkerRole.Imports = General.ExtendArray<Import>(cacheWorkerRole.Imports, new Import { moduleName = Resources.CachingModuleName });
// Enable caching Diagnostic store.
LocalStore diagnosticStore = new LocalStore { name = Resources.CacheDiagnosticStoreName, cleanOnRoleRecycle = false };
cacheWorkerRole.LocalResources = General.InitializeIfNull<LocalResources>(cacheWorkerRole.LocalResources);
cacheWorkerRole.LocalResources.LocalStorage = General.ExtendArray<LocalStore>(cacheWorkerRole.LocalResources.LocalStorage, diagnosticStore);
// Remove input endpoints.
cacheWorkerRole.Endpoints.InputEndpoint = null;
// Add caching configuration settings
AddCacheConfiguration(azureService.Components.GetCloudConfigRole(cacheRoleInfo.Name));
AddCacheConfiguration(azureService.Components.GetLocalConfigRole(cacheRoleInfo.Name), Resources.EmulatorConnectionString);
return azureService;
}
public void ChangeRolePermissions(RoleInfo role)
{
string rolePath = Path.Combine(Paths.RootPath, role.Name);
DirectoryInfo directoryInfo = new DirectoryInfo(rolePath);
DirectorySecurity directoryAccess = directoryInfo.GetAccessControl(AccessControlSections.All);
directoryAccess.AddAccessRule(new FileSystemAccessRule(new SecurityIdentifier(WellKnownSidType.NetworkServiceSid, null),
FileSystemRights.ReadAndExecute | FileSystemRights.Write, InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));
directoryInfo.SetAccessControl(directoryAccess);
}
private AzureService CachingConfigurationFactoryMethod(string rootPath, RoleInfo cacheWorkerRole, string sdkVersion)
{
switch (sdkVersion)
{
case SDKVersion.Version180:
return Version180Configuration(rootPath, cacheWorkerRole);
default:
throw new Exception(string.Format(Resources.AzureSdkVersionNotSupported,
Resources.MinSupportAzureSdkVersion, Resources.MaxSupportAzureSdkVersion));
}
}
public static void AreEqualServiceConfiguration(ServiceConfiguration actual, string serviceName, RoleInfo[] roles = null)
{
Assert.AreEqual<string>(actual.serviceName, serviceName);
if (roles != null)
{
Assert.AreEqual<int>(actual.Role.Length, roles.Length);
int length = roles.Length;
for (int i = 0; i < length; i++)
{
Assert.IsTrue(roles[i].Equals(actual.Role[i]));
}
}
}
public static void AzureServiceExists(string serviceRootPath, string scaffoldFilePath, string serviceName, ServiceSettings settings = null, WebRoleInfo[] webRoles = null, WorkerRoleInfo[] workerRoles = null, string webScaff = null, string workerScaff = null, RoleInfo[] roles = null)
{
ServiceComponents components = new Microsoft.WindowsAzure.Management.Utilities.CloudService.ServiceComponents(new Microsoft.WindowsAzure.Management.Utilities.CloudService.ServicePathInfo(serviceRootPath));
ScaffoldingExists(serviceRootPath, scaffoldFilePath);
if (webRoles != null)
{
for (int i = 0; i < webRoles.Length; i++)
{
ScaffoldingExists(Path.Combine(serviceRootPath, webRoles[i].Name), webScaff);
}
}
if (workerRoles != null)
{
for (int i = 0; i < workerRoles.Length; i++)
{
ScaffoldingExists(Path.Combine(serviceRootPath, workerRoles[i].Name), workerScaff);
}
}
AreEqualServiceConfiguration(components.LocalConfig, serviceName, roles);
AreEqualServiceConfiguration(components.CloudConfig, serviceName, roles);
IsValidServiceDefinition(components.Definition, serviceName, webRoles, workerRoles);
AreEqualServiceSettings(settings ?? new ServiceSettings(), components.Settings);
}
/// <summary>
/// Configuration required to enable dedicated caching on a given role.
/// </summary>
/// <param name="rootPath">The service project root path</param>
/// <param name="cacheRoleInfo">The cache role info</param>
private static void CacheRole180(string rootPath, RoleInfo cacheRoleInfo)
{
CloudServiceProject cloudServiceProject = new CloudServiceProject(rootPath, null);
if (!cloudServiceProject.Components.IsWebRole(cacheRoleInfo.Name))
{
CacheWorkerRole180(rootPath, cacheRoleInfo);
}
}
protected virtual void OnProcessing(RoleInfo roleInfo)
{
// Placeholder for work to do after adding the role scaffolding.
}