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# Copyright 2016 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.
from recipe_engine import recipe_api
import default
import json # TODO(borenet): No! Remove this.
"""Chromebook flavor, used for running code on Chromebooks."""
class ChromebookFlavor(default.DefaultFlavor):
def __init__(self, m):
super(ChromebookFlavor, self).__init__(m)
self._user_ip = ''
self.chromeos_homedir = '/home/chronos/user/'
self.device_dirs = default.DeviceDirs(
bin_dir = self.chromeos_homedir + 'bin',
dm_dir = self.chromeos_homedir + 'dm_out',
perf_data_dir = self.chromeos_homedir + 'perf',
resource_dir = self.chromeos_homedir + 'resources',
images_dir = self.chromeos_homedir + 'images',
skp_dir = self.chromeos_homedir + 'skps',
svg_dir = self.chromeos_homedir + 'svgs',
tmp_dir = self.chromeos_homedir)
@property
def user_ip(self):
if not self._user_ip:
ssh_info = self.m.run(self.m.python.inline, 'read chromeos ip',
program="""
import os
SSH_MACHINE_FILE = os.path.expanduser('~/ssh_machine.json')
with open(SSH_MACHINE_FILE, 'r') as f:
print f.read()
""",
stdout=self.m.raw_io.output(),
infra_step=True).stdout
self._user_ip = json.loads(ssh_info).get(u'user_ip', 'ERROR')
return self._user_ip
def _ssh(self, title, *cmd, **kwargs):
if 'infra_step' not in kwargs:
kwargs['infra_step'] = True
ssh_cmd = ['ssh', '-oConnectTimeout=15', '-oBatchMode=yes',
'-t', '-t', self.user_ip] + list(cmd)
return self._run(title, ssh_cmd, **kwargs)
def install(self):
self._ssh('mkdir %s' % self.device_dirs.resource_dir, 'mkdir', '-p',
self.device_dirs.resource_dir)
# Ensure the home dir is marked executable
self._ssh('remount %s as exec' % self.chromeos_homedir,
'sudo', 'mount', '-i', '-o', 'remount,exec', '/home/chronos')
self.create_clean_device_dir(self.device_dirs.bin_dir)
def create_clean_device_dir(self, path):
# use -f to silently return if path doesn't exist
self._ssh('rm %s' % path, 'rm', '-rf', path)
self._ssh('mkdir %s' % path, 'mkdir', '-p', path)
def read_file_on_device(self, path, **kwargs):
rv = self._ssh('read %s' % path,
'cat', path, stdout=self.m.raw_io.output(),
**kwargs)
return rv.stdout.rstrip() if rv and rv.stdout else None
def remove_file_on_device(self, path):
# use -f to silently return if path doesn't exist
self._ssh('rm %s' % path, 'rm', '-f', path)
def _prefix_device_path(self, device_path):
return '%s:%s' % (self.user_ip, device_path)
def copy_file_to_device(self, host_path, device_path):
device_path = self._prefix_device_path(device_path)
# Recipe
self.m.python.inline(str('scp %s %s' % (host_path, device_path)),
"""
import subprocess
import sys
host = sys.argv[1]
device = sys.argv[2]
print subprocess.check_output(['scp', host, device])
""", args=[host_path, device_path], infra_step=True)
def _copy_dir(self, src, dest):
# We can't use rsync to communicate with the chromebooks because the
# chromebooks don't have rsync installed on them.
self.m.python.inline(str('scp -r %s %s' % (src, dest)),
"""
import subprocess
import sys
src = sys.argv[1] + '/*'
dest = sys.argv[2]
print subprocess.check_output('scp -r %s %s' % (src, dest), shell=True)
""", args=[src, dest], infra_step=True)
def copy_directory_contents_to_device(self, host_path, device_path):
self._copy_dir(host_path, self._prefix_device_path(device_path))
def copy_directory_contents_to_host(self, device_path, host_path):
self._copy_dir(self._prefix_device_path(device_path), host_path)
def step(self, name, cmd, **kwargs):
# Push and run either dm or nanobench
name = cmd[0]
if name == 'dm':
self.create_clean_host_dir(self.host_dirs.dm_dir)
if name == 'nanobench':
self.create_clean_host_dir(self.host_dirs.perf_data_dir)
app = self.host_dirs.bin_dir.join(cmd[0])
cmd[0] = '%s/%s' % (self.device_dirs.bin_dir, cmd[0])
self.copy_file_to_device(app, cmd[0])
self._ssh('chmod %s' % name, 'chmod', '+x', cmd[0])
self._ssh(str(name), *cmd)
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