| #!/usr/bin/python |
| """ |
| Program to help setup kvm test environment |
| |
| @copyright: Red Hat 2010 |
| """ |
| |
| import os, sys, logging, shutil, glob |
| import common |
| from autotest_lib.client.common_lib import logging_manager |
| from autotest_lib.client.bin import utils |
| from autotest_lib.client.virt import virt_utils |
| |
| |
| def check_iso(url, destination, hash): |
| """ |
| Verifies if ISO that can be find on url is on destination with right hash. |
| |
| This function will verify the SHA1 hash of the ISO image. If the file |
| turns out to be missing or corrupted, let the user know we can download it. |
| |
| @param url: URL where the ISO file can be found. |
| @param destination: Directory in local disk where we'd like the iso to be. |
| @param hash: SHA1 hash for the ISO image. |
| """ |
| file_ok = False |
| if not destination: |
| os.makedirs(destination) |
| iso_path = os.path.join(destination, os.path.basename(url)) |
| if not os.path.isfile(iso_path): |
| logging.warning("File %s not found", iso_path) |
| logging.warning("Expected SHA1 sum: %s", hash) |
| answer = utils.ask("Would you like to download it from %s?" % url) |
| if answer == 'y': |
| try: |
| utils.unmap_url_cache(destination, url, hash, method="sha1") |
| file_ok = True |
| except EnvironmentError, e: |
| logging.error(e) |
| else: |
| logging.warning("Missing file %s", iso_path) |
| logging.warning("Please download it or put an exsiting copy on the " |
| "appropriate location") |
| return |
| else: |
| logging.info("Found %s", iso_path) |
| logging.info("Expected SHA1 sum: %s", hash) |
| answer = utils.ask("Would you like to check %s? It might take a while" % |
| iso_path) |
| if answer == 'y': |
| try: |
| utils.unmap_url_cache(destination, url, hash, method="sha1") |
| file_ok = True |
| except EnvironmentError, e: |
| logging.error(e) |
| else: |
| logging.info("File %s present, but chose to not verify it", |
| iso_path) |
| return |
| |
| if file_ok: |
| logging.info("%s present, with proper checksum", iso_path) |
| |
| |
| if __name__ == "__main__": |
| logging_manager.configure_logging(virt_utils.VirtLoggingConfig(), |
| verbose=True) |
| logging.info("KVM test config helper") |
| |
| logging.info("") |
| logging.info("1 - Verifying directories (check if the directory structure " |
| "expected by the default test config is there)") |
| base_dir = "/tmp/kvm_autotest_root" |
| sub_dir_list = ["images", "isos", "steps_data"] |
| for sub_dir in sub_dir_list: |
| sub_dir_path = os.path.join(base_dir, sub_dir) |
| if not os.path.isdir(sub_dir_path): |
| logging.debug("Creating %s", sub_dir_path) |
| os.makedirs(sub_dir_path) |
| else: |
| logging.debug("Dir %s exists, not creating" % |
| sub_dir_path) |
| logging.info("") |
| logging.info("2 - Creating config files from samples (copy the default " |
| "config samples to actual config files)") |
| kvm_test_dir = os.path.dirname(sys.modules[__name__].__file__) |
| kvm_test_dir = os.path.abspath(kvm_test_dir) |
| config_file_list = glob.glob(os.path.join(kvm_test_dir, "*.cfg.sample")) |
| for config_file in config_file_list: |
| src_file = config_file |
| dst_file = config_file.rstrip(".sample") |
| if not os.path.isfile(dst_file): |
| logging.debug("Creating config file %s from sample", dst_file) |
| shutil.copyfile(src_file, dst_file) |
| else: |
| logging.debug("Config file %s exists, not touching" % dst_file) |
| |
| logging.info("") |
| logging.info("3 - Verifying iso (make sure we have the OS ISO needed for " |
| "the default test set)") |
| |
| iso_name = "Fedora-15-x86_64-DVD.iso" |
| fedora_dir = "pub/fedora/linux/releases/15/Fedora/x86_64/iso" |
| url = os.path.join("http://download.fedoraproject.org/", fedora_dir, |
| iso_name) |
| hash = "61b3407f62bac22d3a3b2e919c7fc960116012d7" |
| destination = os.path.join(base_dir, 'isos', 'linux') |
| path = os.path.join(destination, iso_name) |
| check_iso(url, destination, hash) |
| |
| logging.info("") |
| logging.info("4 - Verifying winutils.iso (make sure we have the utility " |
| "ISO needed for Windows testing)") |
| |
| logging.info("In order to run the KVM autotests in Windows guests, we " |
| "provide you an ISO that this script can download") |
| |
| url = "http://people.redhat.com/mrodrigu/kvm/winutils.iso" |
| hash = "02930224756510e383c44c49bffb760e35d6f892" |
| destination = os.path.join(base_dir, 'isos', 'windows') |
| path = os.path.join(destination, iso_name) |
| check_iso(url, destination, hash) |
| |
| logging.info("") |
| logging.info("5 - Checking if qemu is installed (certify qemu and qemu-kvm " |
| "are in the place the default config expects)") |
| qemu_default_paths = ['/usr/bin/qemu-kvm', '/usr/bin/qemu-img'] |
| for qemu_path in qemu_default_paths: |
| if not os.path.isfile(qemu_path): |
| logging.warning("No %s found. You might need to install qemu-kvm.", |
| qemu_path) |
| else: |
| logging.debug("%s present", qemu_path) |
| logging.info("If you wish to change qemu-kvm to qemu or other binary path, " |
| "you will have to modify tests.cfg") |
| |
| logging.info("") |
| logging.info("6 - Checking for the KVM module (make sure kvm is loaded " |
| "to accelerate qemu-kvm)") |
| if not utils.module_is_loaded("kvm"): |
| logging.warning("KVM module is not loaded. You might want to load it") |
| else: |
| logging.debug("KVM module loaded") |
| |
| logging.info("") |
| logging.info("7 - Verify needed packages to get started") |
| logging.info("Please take a look at the online documentation " |
| "http://www.linux-kvm.org/page/KVM-Autotest/Client_Install " |
| "(session 'Install Prerequisite packages')") |
| |
| client_dir = os.path.abspath(os.path.join(kvm_test_dir, "..", "..")) |
| autotest_bin = os.path.join(client_dir, 'bin', 'autotest') |
| control_file = os.path.join(kvm_test_dir, 'control') |
| |
| logging.info("") |
| logging.info("When you are done fixing eventual warnings found, " |
| "you can run the kvm test using the command line AS ROOT:") |
| logging.info("%s %s", autotest_bin, control_file) |
| logging.info("Autotest prints the results dir, so you can look at DEBUG " |
| "logs if something went wrong") |
| logging.info("You can also edit the test config files (see output of " |
| "step 2 for a list)") |
