| # Copyright 2020 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. |
| |
| """ |
| This file provides functions to implement bluetooth_PeerUpdate test |
| which downloads chameleond bundle from google cloud storage and updates |
| peer device associated with a DUT |
| """ |
| |
| from __future__ import absolute_import |
| |
| import logging |
| import os |
| import sys |
| import tempfile |
| import time |
| |
| from datetime import datetime |
| |
| import common |
| from autotest_lib.client.bin import utils |
| from autotest_lib.client.common_lib import error |
| |
| |
| # The location of the package in the cloud |
| GS_PUBLIC = 'gs://chromeos-localmirror/distfiles/bluetooth_peer_bundle/' |
| |
| # NAME of the file that stores commit info in the cloud |
| COMMIT_FILENAME = 'latest_bluetooth_commit' |
| |
| # The following needs to be kept in sync with values chameleond code |
| BUNDLE_TEMPLATE='chameleond-0.0.2-{}.tar.gz' # Name of the chamleond package |
| BUNDLE_DIR = 'chameleond-0.0.2' |
| BUNDLE_VERSION = '9999' |
| CHAMELEON_BOARD = 'fpga_tio' |
| |
| |
| def run_cmd(peer, cmd): |
| """A wrapper around host.run().""" |
| try: |
| logging.info('executing command %s on peer',cmd) |
| result = peer.host.run(cmd) |
| logging.info('exit_status is %s', result.exit_status) |
| logging.info('stdout is %s stderr is %s', result.stdout, result.stderr) |
| output = result.stderr if result.stderr else result.stdout |
| if result.exit_status == 0: |
| return True, output |
| else: |
| return False, output |
| except error.AutoservRunError as e: |
| logging.error('Error while running cmd %s %s', cmd, e) |
| return False, None |
| |
| |
| def is_update_needed(peer, latest_commit): |
| """ Check if update is required |
| |
| Update if the commit hash doesn't match |
| |
| @returns: True/False |
| """ |
| return not is_commit_hash_equal(peer, latest_commit) |
| |
| |
| def is_commit_hash_equal(peer, latest_commit): |
| """ Check if chameleond commit hash is the expected one""" |
| try: |
| commit = peer.get_bt_commit_hash() |
| except: |
| logging.error('Getting the commit hash failed. Updating the peer %s', |
| sys.exc_info()) |
| return True |
| |
| logging.debug('commit %s found on peer %s', commit, peer.host) |
| return commit == latest_commit |
| |
| |
| def perform_update(peer, latest_commit): |
| """ Update the chameleond on the peer""" |
| |
| logging.info('copy the file over to the peer') |
| try: |
| cur_dir = '/tmp/' |
| bundle = BUNDLE_TEMPLATE.format(latest_commit) |
| bundle_path = os.path.join(cur_dir, bundle) |
| logging.debug('package location is %s', bundle_path) |
| |
| peer.host.send_file(bundle_path, '/tmp/') |
| except: |
| logging.error('copying the file failed %s ', sys.exc_info()) |
| logging.error(str(os.listdir(cur_dir))) |
| return False |
| |
| HOST_NOW = datetime.strftime(datetime.now(), '%Y-%m-%d %H:%M:%S') |
| logging.info('running make on peer') |
| cmd = ('cd %s && rm -rf %s && tar zxf %s &&' |
| 'cd %s && find -exec touch -c {} \; &&' |
| 'make install REMOTE_INSTALL=TRUE ' |
| 'HOST_NOW="%s" BUNDLE_VERSION=%s ' |
| 'CHAMELEON_BOARD=%s && rm %s%s') % (cur_dir,BUNDLE_DIR, bundle, |
| BUNDLE_DIR, HOST_NOW, |
| BUNDLE_VERSION, |
| CHAMELEON_BOARD, cur_dir, |
| bundle) |
| logging.debug(cmd) |
| status, _ = run_cmd(peer, cmd) |
| if not status: |
| logging.info('make failed') |
| return False |
| |
| logging.info('chameleond installed on peer') |
| return True |
| |
| |
| def restart_check_chameleond(peer): |
| """restart chameleond and make sure it is running.""" |
| |
| restart_cmd = 'sudo /etc/init.d/chameleond restart' |
| start_cmd = 'sudo /etc/init.d/chameleond start' |
| status_cmd = 'sudo /etc/init.d/chameleond status' |
| |
| status, _ = run_cmd(peer, restart_cmd) |
| if not status: |
| status, _ = run_cmd(peer, start_cmd) |
| if not status: |
| logging.error('restarting/starting chamleond failed') |
| # |
| #TODO: Refactor so that we wait for all peer devices all together. |
| # |
| # Wait till chameleond initialization is complete |
| time.sleep(5) |
| |
| status, output = run_cmd(peer, status_cmd) |
| expected_output = 'chameleond is running' |
| return status and expected_output in output |
| |
| |
| def update_peer(peer, latest_commit): |
| """Update the chameleond on peer devices if required |
| |
| @params peer: btpeer to be updated |
| @params latest_commit: target git commit |
| |
| @returns: (True, None) if update succeeded |
| (False, reason) if update failed |
| """ |
| |
| if peer.get_platform() != 'RASPI': |
| logging.error('Unsupported peer %s',str(peer.host)) |
| return False, 'Unsupported peer' |
| |
| if not perform_update(peer, latest_commit): |
| return False, 'Update failed' |
| |
| if not restart_check_chameleond(peer): |
| return False, 'Unable to start chameleond' |
| |
| if is_update_needed(peer, latest_commit): |
| return False, 'Commit not updated after upgrade' |
| |
| logging.info('updating chameleond succeded') |
| return True, '' |
| |
| |
| def update_peers(host, latest_commit): |
| """Update the chameleond on alll peer devices of an host""" |
| |
| if host.btpeer_list == []: |
| raise error.TestError('Bluetooth Peer not present') |
| |
| status = {} |
| for peer in host.btpeer_list: |
| #TODO(b:160782273) Make this parallel |
| status[peer] = {} |
| status[peer]['update_needed'] = is_update_needed(peer,latest_commit) |
| |
| logging.debug(status) |
| if not any([v['update_needed'] for v in status.values()]): |
| logging.info("Update not needed on any of the peers") |
| return |
| for peer in host.btpeer_list: |
| if status[peer]['update_needed']: |
| status[peer]['updated'], status[peer]['reason'] = \ |
| update_peer(peer, latest_commit) |
| |
| logging.debug(status) |
| # If any of the peers failed update, raise failure with the reason |
| if not all([v['updated'] for v in status.values() if v['update_needed']]): |
| for peer, v in status.items(): |
| if v['update_needed']: |
| if not v['updated']: |
| logging.error('updating peer %s failed %s', str(peer.host), |
| v['reason']) |
| raise error.TestFail() |
| |
| logging.info('%s peers updated',len([v['updated'] for v in status.values() |
| if v['update_needed']])) |
| |
| |
| def get_latest_commit(): |
| """ Get the latest commit |
| |
| Download the file containing the latest commit and |
| parse it contents, and cleanup. |
| @returns (True,commit) in case of success ; (False, None) in case of failure |
| """ |
| try: |
| commit = None |
| src = GS_PUBLIC + COMMIT_FILENAME |
| |
| with tempfile.NamedTemporaryFile(suffix='bt_commit') as tmp_file: |
| tmp_filename = tmp_file.name |
| cmd = 'gsutil cp {} {}'.format(src, tmp_filename) |
| result = utils.run(cmd) |
| if result.exit_status != 0: |
| logging.error('Downloading commit file failed with %s', |
| result.exit_status) |
| return (False, None) |
| with open(tmp_filename) as f: |
| content = f.read() |
| logging.debug('content of the file is %s', content) |
| commit = content.strip('\n').strip() |
| |
| logging.info('latest commit is %s', commit) |
| if commit is None: |
| return (False, None) |
| else: |
| return (True, commit) |
| except Exception as e: |
| logging.error('exception %s in get_latest_commit', str(e)) |
| return (False, None) |
| |
| |
| def download_installation_files(host, commit): |
| """ Download the chameleond installation bundle""" |
| src_path = GS_PUBLIC + BUNDLE_TEMPLATE.format(commit) |
| dest_path = '/tmp/' + BUNDLE_TEMPLATE.format(commit) |
| logging.debug('chamelond bundle path is %s', src_path) |
| logging.debug('bundle path in DUT is %s', dest_path) |
| |
| cmd = 'gsutil cp {} {}'.format(src_path, dest_path) |
| try: |
| result = utils.run(cmd) |
| if result.exit_status != 0: |
| logging.error('Downloading the chameleond bundle failed with %d', |
| result.exit_status) |
| return False |
| # Send file to DUT from the test server |
| host.send_file(dest_path, dest_path) |
| logging.debug('file send to %s %s',host, dest_path) |
| return True |
| except Exception as e: |
| logging.error('exception %s in download_installation_files', str(e)) |
| return False |
| |
| |
| def cleanup(host, commit): |
| """ Cleanup the installation file from server.""" |
| |
| dest_path = '/tmp/' + BUNDLE_TEMPLATE.format(commit) |
| # remove file from test server |
| if not os.path.exists(dest_path): |
| logging.debug('File %s not found', dest_path) |
| return True |
| |
| try: |
| logging.debug('Remove file %s', dest_path) |
| os.remove(dest_path) |
| |
| # remove file from the DUT |
| result = host.run('rm {}'.format(dest_path)) |
| if result.exit_status != 0: |
| logging.error('Unable to delete %s on dut', dest_path) |
| return False |
| return True |
| except Exception as e: |
| logging.error('Exception %s in cleanup', str(e)) |
| return False |
