kernel_BootMessagesServer: initial add of new test

server/site_tests/kernel_BootMessagesServer/kernel_BootMessagesServer.py

+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import logging, os
+
+from autotest_lib.client.bin import utils
+from autotest_lib.client.common_lib import error
+from autotest_lib.server import test
+
+_KERN_WARNING = 4
+
+_WHITELIST = [
+  "Kernel-defined memdesc doesn't match the one from EFI!",
+  "Warning only 1919MB will be used.",
+  "Use a HIGHMEM enabled kernel.",
+  "pnp 00:01: io resource (0x164e-0x164f) overlaps 0000:00:1c.0 "
+  "BAR 7 (0x1000-0x1fff), disabling",
+  "i915 0000:00:02.0: Invalid ROM contents",
+  "[drm:intel_init_bios] *ERROR* VBT signature missing",
+  "usb 1-2: config 1 has an invalid interface number: 1 but max is 0",
+  "usb 1-2: config 1 has no interface number 0",
+  "device-mapper: verity: Failed to acquire device 'ROOT_DEV': -1",
+  "device-mapper: table: 254:0: verity: Device lookup failed",
+  "dm: starting dm-0 (vroot) failed",
+  "EXT3-fs warning: maximal mount count reached, running e2fsck is "
+  "recommended",
+  "i2c i2c-2: The new_device interface is still experimental and may change "
+  "in a near future",
+  "industrialio: module is from the staging directory, "
+  "the quality is unknown, you have been warned.",
+  "tsl2563: module is from the staging directory, the quality is unknown, "
+  "you have been warned.",
+]
+
+class kernel_BootMessagesServer(test.test):
+  version = 1
+
+
+  def read_dmesg(self, filename):
+    f = open(filename, 'w')
+    self.client.run('dmesg -r', stdout_tee=f)
+    f.close()
+
+
+  def reboot_machine(self):
+    self.client.run('reboot')
+    self.client.wait_down()
+    self.client.wait_up()
+
+
+  def run_once(self, host=None):
+    self.client = host
+    self.client_test = 'kernel_BootMessages'
+    dmesg_filename = os.path.join(self.resultsdir, 'dmesg')
+
+    self.reboot_machine()
+    self.read_dmesg(dmesg_filename)
+    dmesg = utils.read_file(dmesg_filename)
+    unexpected = utils.check_raw_dmesg(dmesg, _KERN_WARNING, _WHITELIST)
+    if unexpected:
+      f = open(os.path.join(self.resultsdir, 'dmesg.err'), 'w')
+      for line in unexpected:
+          logging.error('UNEXPECTED DMESG: %s' % stripped_line)
+          f.write('%s\n' % line)
+      f.close()
+      raise error.TestFail("Unexpected dmesg warnings and/or errors.")