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#!/usr/bin/env python3
#
# Copyright (c) 2018, Linaro Ltd.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Fastboot SSH wrapper, executes fastboot over ssh connection, handling the copy
# of files in boot, flash, flash:raw and update commands to the remote host.
#
import sys
import os
import subprocess
import yaml
import signal
FASTBOOT_CMD = "/usr/bin/fastboot"
CONFIGS = [os.path.join(os.getcwd(), 'fastboot-ssh.conf'),
'/etc/fastboot-ssh.conf']
if 'DUT_SSH_CONFIG' in os.environ:
CONFIGS.insert(0,os.environ['DUT_SSH_CONFIG'])
REMOTE_FASTBOOT_DIR='lava-fastboot'
def _execute_command(cmd):
rc = 0
try:
rc = subprocess.check_call(cmd)
except subprocess.CalledProcessError as e:
rc = e.returncode
except KeyboardInterrupt as e:
rc = signal.SIGINT
return rc
def _load_device_config(config):
with open(config, 'r') as f:
return yaml.load(f.read())
def _fastboot_get_device_serial():
found = False
serial = None
for arg in sys.argv[1:]:
if found:
serial = arg
break
if arg == '-s':
found = True
return serial
def _get_device_by_serial(device_config, device_serial):
for device in device_config['devices']:
if device['fastboot_serial'] == device_serial:
return device
return None
def _handle_fastboot_files(device):
fastboot_cmds = {'boot' : 1, 'flash' : 2, 'flash:raw' : 2, 'update' : 1}
remote_files = []
fcmd_index = -1
for fcmd in fastboot_cmds.keys():
try:
fcmd_index = sys.argv.index(fcmd) + fastboot_cmds[fcmd]
break
except ValueError:
continue
if fcmd_index == -1:
return remote_files
local_files = sys.argv[fcmd_index:]
if local_files:
cmd = ['ssh', device['host'], 'mkdir', '-p', REMOTE_FASTBOOT_DIR]
_execute_command(cmd)
for f in local_files:
if not os.path.exists(f): # XXX: end of files
break
remote_file = os.path.join(REMOTE_FASTBOOT_DIR, '%s-%s' % (device['board'], os.path.basename(f)))
cmd = ['scp', f, '%s:%s' % (device['host'], remote_file)]
_execute_command(cmd)
remote_files.append(remote_file)
for f in remote_files:
idx = remote_files.index(f)
sys.argv[fcmd_index + idx] = f
return remote_files
def main():
device_config = None
for c in CONFIGS:
if os.path.exists(c):
device_config = _load_device_config(c)
break
device_serial = _fastboot_get_device_serial()
device = _get_device_by_serial(device_config, device_serial)
if device:
remote_files = _handle_fastboot_files(device)
if 'fastboot_set_active' in device:
cmd = ['ssh', device['host'], 'fastboot', '-s',
device['fastboot_serial'], 'set_active',
device['fastboot_set_active']]
_execute_command(cmd)
cmd = ['ssh', device['host'], 'fastboot']
cmd.extend(sys.argv[1:])
rc = _execute_command(cmd)
for f in remote_files:
cmd = ['ssh', device['host'], 'rm', f]
_execute_command(cmd)
else:
cmd = [FASTBOOT_CMD]
cmd.extend(sys.argv[1:])
rc = _execute_command(cmd)
return rc
if __name__ == '__main__':
try:
ret = main()
except Exception:
ret = 1
import traceback
traceback.print_exc()
sys.exit(ret)
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