Upstreaming android build tools

build/android/device_status_check.py

Index: build/android/device_status_check.py
diff --git a/build/android/device_status_check.py b/build/android/device_status_check.py
new file mode 100644
index 0000000000000000000000000000000000000000..5b45628fdf9963677fe00db3d4a798b514b806e1
--- /dev/null
+++ b/build/android/device_status_check.py
@@ -0,0 +1,120 @@
+#!/usr/bin/python
+#
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""A class to keep track of devices across builds and report state."""
+
+import optparse
+import os
+import sys
+
+from android_commands import GetAttachedDevices
+from cmd_helper import GetCmdOutput
+
+
+def DeviceInfo(serial):
+  """Gathers info on a device via various adb calls.
+
+  Args:
+    serial: The serial of the attached device to construct info about.
+
+  Returns:
+    Tuple of device type, build id and report as a string.
+  """
+
+  def AdbShellCmd(cmd):
+    return GetCmdOutput('adb -s %s shell %s' % (serial, cmd),
+                        shell=True).strip()
+
+  device_type = AdbShellCmd('getprop ro.build.product')
+  device_build = AdbShellCmd('getprop ro.build.id')
+
+  report = ['Device %s (%s)' % (serial, device_type),
+            '  Build: %s (%s)' % (device_build,
+                                  AdbShellCmd('getprop ro.build.fingerprint')),
+            '  Battery: %s%%' % AdbShellCmd('dumpsys battery | grep level '
+                                            "| awk '{print $2}'"),
+            '  Battery temp: %s' % AdbShellCmd('dumpsys battery'
+                                               '| grep temp '
+                                               "| awk '{print $2}'"),
+            '  IMEI slice: %s' % AdbShellCmd('dumpsys iphonesubinfo '
+                                             '| grep Device'
+                                             "| awk '{print $4}'")[-6:],
+            '  Wifi IP: %s' % AdbShellCmd('getprop dhcp.wlan0.ipaddress'),
+            '']
+
+  return device_type, device_build, '\n'.join(report)
+
+
+def CheckForMissingDevices(options, adb_online_devs):
+  """Uses file of previous online devices to detect broken phones.
+
+  Args:
+    options: out_dir parameter of options argument is used as the base
+             directory to load and update the cache file.
+    adb_online_devs: A list of serial numbers of the currently visible
+                     and online attached devices.
+  """
+
+  last_devices_path = os.path.abspath(os.path.join(options.out_dir,
+                                                   '.last_devices'))
+  last_devices = []
+  try:
+    with open(last_devices_path) as f:
+      last_devices = f.read().splitlines()
+  except IOError:
+    # Ignore error, file might not exist
+    pass
+
+  missing_devs = list(set(last_devices) - set(adb_online_devs))
+  if missing_devs:
+    print '@@@STEP_WARNINGS@@@'
+    print '@@@STEP_SUMMARY_TEXT@%s not detected.@@@' % missing_devs
+    print 'Current online devices: %s' % adb_online_devs
+    print '%s are no longer visible. Were they removed?\n' % missing_devs
+    print 'SHERIFF: See go/chrome_device_monitor'
+    print 'Cache file: %s\n\n' % last_devices_path
+    print 'adb devices'
+    print GetCmdOutput(['adb', 'devices'])
+  else:
+    new_devs = set(adb_online_devs) - set(last_devices)
+    if new_devs:
+      print '@@@STEP_WARNINGS@@@'
+      print '@@@STEP_SUMMARY_TEXT@New devices detected :-)@@@'
+      print ('New devices detected %s. And now back to your '
+             'regularly scheduled program.' % list(new_devs))
+
+  # Write devices currently visible plus devices previously seen.
+  with open(last_devices_path, 'w') as f:
+    f.write('\n'.join(set(adb_online_devs + last_devices)))
+
+
+def main():
+  parser = optparse.OptionParser()
+  parser.add_option('', '--out-dir',
+                    help='Directory where the device path is stored',
+                    default=os.path.join(os.path.dirname(__file__), '..',
+                                         '..', 'out'))
+
+  options, args = parser.parse_args()
+  if args:
+    parser.error('Unknown options %s' % args)
+  devices = GetAttachedDevices()
+
+  types, builds, reports = [], [], []
+  if devices:
+    types, builds, reports = zip(*[DeviceInfo(dev) for dev in devices])
+
+  unique_types = list(set(types))
+  unique_builds = list(set(builds))
+
+  print ('@@@BUILD_STEP Device Status Check - '
+         '%d online devices, types %s, builds %s@@@'
+         % (len(devices), unique_types, unique_builds))
+  print '\n'.join(reports)
+  CheckForMissingDevices(options, devices)
+
+if __name__ == '__main__':
+  sys.exit(main())