Merge autotest upstream from @5318 ~ @5336

client/virt/virt_installer.py

+import os, shutil, logging
+from autotest_lib.client.bin import utils
+
+
+def check_configure_options(script_path):
+    """
+    Return the list of available options (flags) of a GNU autoconf like
+    configure build script.
+
+    @param script: Path to the configure script
+    """
+    abspath = os.path.abspath(script_path)
+    help_raw = utils.system_output('%s --help' % abspath, ignore_status=True)
+    help_output = help_raw.split("\n")
+    option_list = []
+    for line in help_output:
+        cleaned_line = line.lstrip()
+        if cleaned_line.startswith("--"):
+            option = cleaned_line.split()[0]
+            option = option.split("=")[0]
+            option_list.append(option)
+
+    return option_list
+
+
+def cpu_vendor():
+    vendor = "intel"
+    if os.system("grep vmx /proc/cpuinfo 1>/dev/null") != 0:
+        vendor = "amd"
+    logging.debug("Detected CPU vendor as '%s'", vendor)
+    return vendor
+
+
+def save_build(build_dir, dest_dir):
+    logging.debug('Saving the result of the build on %s', dest_dir)
+    base_name = os.path.basename(build_dir)
+    tarball_name = base_name + '.tar.bz2'
+    os.chdir(os.path.dirname(build_dir))
+    utils.system('tar -cjf %s %s' % (tarball_name, base_name))
+    shutil.move(tarball_name, os.path.join(dest_dir, tarball_name))