LXR qemu/tests/vm/ubuntuvm.py

   1#!/usr/bin/env python3
   2#
   3# Ubuntu VM testing library
   4#
   5# Copyright 2017 Red Hat Inc.
   6# Copyright 2020 Linaro
   7#
   8# Authors:
   9#  Robert Foley <robert.foley@linaro.org>
  10#  Originally based on ubuntu.i386 Fam Zheng <famz@redhat.com>
  11#
  12# This code is licensed under the GPL version 2 or later.  See
  13# the COPYING file in the top-level directory.
  14
  15import os
  16import subprocess
  17import basevm
  18
  19class UbuntuVM(basevm.BaseVM):
  20
  21    def __init__(self, args, config=None):
  22        self.login_prompt = "ubuntu-{}-guest login:".format(self.arch)
  23        basevm.BaseVM.__init__(self, args, config)
  24
  25    def build_image(self, img):
  26        """Build an Ubuntu VM image.  The child class will
  27           define the install_cmds to init the VM."""
  28        os_img = self._download_with_cache(self.image_link,
  29                                           sha256sum=self.image_sha256)
  30        img_tmp = img + ".tmp"
  31        subprocess.check_call(["cp", "-f", os_img, img_tmp])
  32        self.exec_qemu_img("resize", img_tmp, "+50G")
  33        ci_img = self.gen_cloud_init_iso()
  34
  35        self.boot(img_tmp, extra_args = [ "-device", "VGA", "-cdrom", ci_img, ])
  36
  37        # First command we issue is fix for slow ssh login.
  38        self.wait_ssh(wait_root=True,
  39                      cmd="chmod -x /etc/update-motd.d/*")
  40        # Wait for cloud init to finish
  41        self.wait_ssh(wait_root=True,
  42                      cmd="ls /var/lib/cloud/instance/boot-finished")
  43        self.ssh_root("touch /etc/cloud/cloud-init.disabled")
  44        # Disable auto upgrades.
  45        # We want to keep the VM system state stable.
  46        self.ssh_root('sed -ie \'s/"1"/"0"/g\' '\
  47                      '/etc/apt/apt.conf.d/20auto-upgrades')
  48        self.ssh_root("sed -ie s/^#\ deb-src/deb-src/g /etc/apt/sources.list")
  49
  50        # If the user chooses not to do the install phase,
  51        # then we will jump right to the graceful shutdown
  52        if self._config['install_cmds'] != "":
  53            # Issue the install commands.
  54            # This can be overridden by the user in the config .yml.
  55            install_cmds = self._config['install_cmds'].split(',')
  56            for cmd in install_cmds:
  57                self.ssh_root(cmd)
  58        self.graceful_shutdown()
  59        os.rename(img_tmp, img)
  60        return 0
  61