""" * ******************************************************* * Copyright VMware, Inc. 2016. All Rights Reserved. * ******************************************************* * * DISCLAIMER. THIS PROGRAM IS PROVIDED TO YOU "AS IS" WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, WHETHER ORAL OR WRITTEN, * EXPRESS OR IMPLIED. THE AUTHOR SPECIFICALLY DISCLAIMS ANY IMPLIED * WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, * NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. """ __author__ = 'VMware, Inc.' __copyright__ = 'Copyright 2016 VMware, Inc. All rights reserved.' import os import ssl import time try: import urllib2 except ImportError: import urllib.request as urllib2 from com.vmware.content_client import LibraryModel from com.vmware.content.library_client import (ItemModel, StorageBacking) from com.vmware.content.library.item_client import (DownloadSessionModel, UpdateSessionModel) from com.vmware.content.library.item.downloadsession_client import File as DownloadSessionFile from com.vmware.content.library.item.updatesession_client import File as UpdateSessionFile from samples.vsphere.common.id_generator import generate_random_uuid from samples.vsphere.common.vim.helpers.get_datastore_by_name import get_datastore_id class ClsApiHelper(object): """ Helper class to perform commonly used operations using Content Library API. """ ISO_FILE_RELATIVE_DIR = '../resources/isoImages/' PLAIN_OVF_RELATIVE_DIR = '../resources/plainVmTemplate' SIMPLE_OVF_RELATIVE_DIR = '../resources/simpleVmTemplate' def __init__(self, cls_api_client, skip_verification): self.client = cls_api_client self.skip_verification = skip_verification def get_ovf_files_map(self, ovf_location): """ Get OVF template file paths to be used during uploads Note: This method returns OVF template paths for the template included in the SDK resources directory """ ovf_files_map = {} ovf_dir = os.path.abspath(os.path.join(os.path.dirname(os.path.realpath(__file__)), ovf_location)) for file_name in os.listdir(ovf_dir): if file_name.endswith('.ovf') or file_name.endswith('.vmdk'): ovf_files_map[file_name] = os.path.join(ovf_dir, file_name) return ovf_files_map def create_local_library(self, storage_backings, lib_name): """ :param storage_backings: Storage for the library :param lib_name: Name of the library :return: id of the created library """ create_spec = LibraryModel() create_spec.name = lib_name create_spec.description = "Local library backed by VC datastore" create_spec.type = LibraryModel.LibraryType.LOCAL create_spec.storage_backings = storage_backings # Create a local content library backed the VC datastore library_id = self.client.local_library_service.create(create_spec=create_spec, client_token=generate_random_uuid()) print('Local library created, ID: {0}'.format(library_id)) return library_id def create_storage_backings(self, service_manager, datastore_name): """ :param service_manager: :param datastore_name: name of the datastore providing storage :return: the storage backing array """ # Find the datastore by the given datastore name datastore_id = get_datastore_id(service_manager=service_manager, datastore_name=datastore_name) assert datastore_id is not None # If provided datastore is not of type vmfs, substitute the type # StorageBacking.Type.DATASTORE with StorageBacking.Type.OTHER # Build the specification for the library to be created storage_backings = [StorageBacking(type=StorageBacking.Type.DATASTORE, datastore_id=datastore_id)] return storage_backings def create_iso_library_item(self, library_id, iso_item_name, iso_filename): """ :param library_id: item will be created on this library :param iso_item_name: name of the iso item to be created :param iso_filename: name of the iso file to be uploaded :return: id of the item created """ # Create a new library item in the content library for uploading the files library_item_id = self.create_library_item(library_id=library_id, item_name=iso_item_name, item_description='Sample iso file', item_type='iso') assert library_item_id is not None print('Library item created id: {0}'.format(library_item_id)) # Upload an iso file to above library item, use the filename as the item_filename iso_files_map = self.get_iso_file_map(item_filename=iso_filename, disk_filename=iso_filename) self.upload_files(library_item_id=library_item_id, files_map=iso_files_map) print('Uploaded iso file to library item {0}'.format(library_item_id)) return library_item_id def get_iso_file_map(self, item_filename, disk_filename): iso_files_map = {} iso_file_path = os.path.abspath(os.path.join(os.path.dirname(os.path.realpath(__file__)), self.ISO_FILE_RELATIVE_DIR + disk_filename)) iso_files_map[item_filename] = iso_file_path return iso_files_map def get_libraryitem_spec(self, client_token, name, description, library_id, library_item_type): """ Create library item spec """ lib_item_spec = ItemModel() lib_item_spec.name = name lib_item_spec.description = description lib_item_spec.library_id = library_id lib_item_spec.type = library_item_type return lib_item_spec def create_library_item(self, library_id, item_name, item_description, item_type): """ Create a library item in the specified library """ lib_item_spec = self.get_libraryitem_spec(client_token=generate_random_uuid(), name=item_name, description=item_description, library_id=library_id, library_item_type=item_type) # Create a library item return self.client.library_item_service.create(create_spec=lib_item_spec, client_token=generate_random_uuid()) def upload_files(self, library_item_id, files_map): """ Upload a VM template to the published CL """ # Create a new upload session for uploading the files session_id = self.client.upload_service.create( create_spec=UpdateSessionModel(library_item_id=library_item_id), client_token=generate_random_uuid()) self.upload_files_in_session(files_map, session_id) self.client.upload_service.complete(session_id) self.client.upload_service.delete(session_id) def upload_files_in_session(self, files_map, session_id): for f_name, f_path in files_map.items(): file_spec = self.client.upload_file_service.AddSpec(name=f_name, source_type=UpdateSessionFile.SourceType.PUSH, size=os.path.getsize(f_path)) file_info = self.client.upload_file_service.add(session_id, file_spec) # Upload the file content to the file upload URL with open(f_path, 'rb') as local_file: request = urllib2.Request(file_info.upload_endpoint.uri, local_file) request.add_header('Cache-Control', 'no-cache') request.add_header('Content-Length', '{0}'.format(os.path.getsize(f_path))) request.add_header('Content-Type', 'text/ovf') if self.skip_verification and hasattr(ssl, '_create_unverified_context'): # Python 2.7.9 has stronger SSL certificate validation, # so we need to pass in a context when dealing with # self-signed certificates. context = ssl._create_unverified_context() urllib2.urlopen(request, context=context) else: # Don't pass context parameter since versions of Python # before 2.7.9 don't support it. urllib2.urlopen(request) def download_files(self, library_item_id, directory): """ Download files from a library item Args: library_item_id: id for the library item to download files from directory: location on the client machine to download the files into """ downloaded_files_map = {} # create a new download session for downloading the session files session_id = self.client.download_service.create(create_spec=DownloadSessionModel( library_item_id=library_item_id), client_token=generate_random_uuid()) file_infos = self.client.download_file_service.list(session_id) for file_info in file_infos: self.client.download_file_service.prepare(session_id, file_info.name) download_info = self.wait_for_prepare(session_id, file_info.name) if self.skip_verification and hasattr(ssl, '_create_unverified_context'): # Python 2.7.9 has stronger SSL certificate validation, # so we need to pass in a context when dealing with self-signed # certificates. context = ssl._create_unverified_context() response = urllib2.urlopen( url=download_info.download_endpoint.uri, context=context) else: # Don't pass context parameter since versions of Python # before 2.7.9 don't support it. response = urllib2.urlopen(download_info.download_endpoint.uri) file_path = os.path.join(directory, file_info.name) with open(file_path, 'wb') as local_file: local_file.write(response.read()) downloaded_files_map[file_info.name] = file_path self.client.download_service.delete(session_id) return downloaded_files_map def wait_for_prepare(self, session_id, file_name, status_list=(DownloadSessionFile.PrepareStatus.PREPARED,), timeout=30, sleep_interval=1): """ Waits for a file to reach a status in the status list (default: prepared) This method will either timeout or return the result of downloadSessionFile.get(session_id, file_name) """ start_time = time.time() while (time.time() - start_time) < timeout: file_info = self.client.download_file_service.get(session_id, file_name) if file_info.status in status_list: return file_info else: time.sleep(sleep_interval) raise Exception( 'timed out after waiting {0} seconds for file {1} to reach a terminal state'.format( timeout, file_name))