| #!/usr/bin/python |
| |
| # Copyright 2014 Google Inc. All Rights Reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import os |
| import time |
| import urllib2 |
| |
| from utils import command_executer |
| from utils import logger |
| from utils import buildbot_json |
| |
| SLEEP_TIME = 600 # 10 minutes; time between polling of buildbot. |
| TIME_OUT = 18000 # Decide the build is dead or will never finish |
| # after this time (5 hours). |
| |
| """Utilities for launching and accessing ChromeOS buildbots.""" |
| |
| def ParseReportLog (url, build): |
| """ |
| Scrape the trybot image name off the Reports log page. |
| |
| This takes the URL for a trybot Reports Stage web page, |
| and a trybot build type, such as 'daisy-release'. It |
| opens the web page and parses it looking for the trybot |
| artifact name (e.g. something like |
| 'trybot-daisy-release/R40-6394.0.0-b1389'). It returns the |
| artifact name, if found. |
| """ |
| trybot_image = "" |
| url += "/text" |
| newurl = url.replace ("uberchromegw", "chromegw") |
| webpage = urllib2.urlopen(newurl) |
| data = webpage.read() |
| lines = data.split('\n') |
| for l in lines: |
| if l.find("Artifacts") and l.find("trybot"): |
| trybot_name = "trybot-%s" % build |
| start_pos = l.find(trybot_name) |
| end_pos = l.find("@https://storage") |
| trybot_image = l[start_pos:end_pos] |
| |
| return trybot_image |
| |
| |
| def GetBuildData (buildbot_queue, build_id): |
| """ |
| Find the Reports stage web page for a trybot build. |
| |
| This takes the name of a buildbot_queue, such as 'daisy-release' |
| and a build id (the build number), and uses the json buildbot api to |
| find the Reports stage web page for that build, if it exists. |
| """ |
| builder = buildbot_json.Buildbot( |
| "http://chromegw/p/tryserver.chromiumos/").builders[buildbot_queue] |
| build_data = builder.builds[build_id].data |
| logs = build_data["logs"] |
| for l in logs: |
| fname = l[1] |
| if "steps/Report/" in fname: |
| return fname |
| |
| return "" |
| |
| |
| def FindBuildRecordFromLog(description, log_info): |
| """ |
| Find the right build record in the build logs. |
| |
| Get the first build record from build log with a reason field |
| that matches 'description'. ('description' is a special tag we |
| created when we launched the buildbot, so we could find it at this |
| point.) |
| """ |
| |
| current_line = 1 |
| while current_line < len(log_info): |
| my_dict = {} |
| # Read all the lines from one "Build" to the next into my_dict |
| while True: |
| key = log_info[current_line].split(":")[0].strip() |
| value = log_info[current_line].split(":", 1)[1].strip() |
| my_dict[key] = value |
| current_line += 1 |
| if "Build" in key or current_line == len(log_info): |
| break |
| try: |
| # Check to see of the build record is the right one. |
| if str(description) in my_dict["reason"]: |
| # We found a match; we're done. |
| return my_dict |
| except: |
| print "reason is not in dictionary: '%s'" % repr(my_dict) |
| else: |
| # Keep going. |
| continue |
| |
| # We hit the bottom of the log without a match. |
| return {} |
| |
| |
| def GetBuildInfo(file_dir): |
| """ |
| Get all the build records for the trybot builds. |
| |
| file_dir is the toolchain_utils directory. |
| """ |
| ce = command_executer.GetCommandExecuter() |
| commands = ("{0}/utils/buildbot_json.py builds " |
| "http://chromegw/p/tryserver.chromiumos/" |
| .format(file_dir)) |
| |
| _, buildinfo, _ = ce.RunCommand(commands, return_output=True, |
| print_to_console=False) |
| build_log = buildinfo.splitlines() |
| return build_log |
| |
| |
| def GetTrybotImage(chromeos_root, buildbot_name, patch_list, build_tag): |
| """ |
| Launch buildbot and get resulting trybot artifact name. |
| |
| This function launches a buildbot with the appropriate flags to |
| build the test ChromeOS image, with the current ToT mobile compiler. It |
| checks every 10 minutes to see if the trybot has finished. When the trybot |
| has finished, it parses the resulting report logs to find the trybot |
| artifact (if one was created), and returns that artifact name. |
| |
| chromeos_root is the path to the ChromeOS root, needed for finding chromite |
| and launching the buildbot. |
| |
| buildbot_name is the name of the buildbot queue, such as lumpy-release or |
| daisy-paladin. |
| |
| patch_list a python list of the patches, if any, for the buildbot to use. |
| |
| build_tag is a (unique) string to be used to look up the buildbot results |
| from among all the build records. |
| """ |
| ce = command_executer.GetCommandExecuter() |
| cbuildbot_path = os.path.join(chromeos_root, "chromite/cbuildbot") |
| base_dir = os.getcwd() |
| patch_arg = "" |
| if patch_list: |
| patch_arg = "-g " |
| for p in patch_list: |
| patch_arg = patch_arg + " " + repr(p) |
| branch = "master" |
| os.chdir(cbuildbot_path) |
| |
| # Launch buildbot with appropriate flags. |
| build = buildbot_name |
| description = build_tag |
| command = ("./cbuildbot --remote --nochromesdk --notests %s %s" |
| " --remote-description=%s" |
| " --chrome_rev=tot" % (patch_arg, build, description)) |
| ce.RunCommand(command) |
| os.chdir(base_dir) |
| |
| build_id = 0 |
| # Wait for buildbot to finish running (check every 10 minutes) |
| done = False |
| running_time = 0 |
| while not done: |
| done = True |
| build_info = GetBuildInfo(base_dir) |
| if not build_info: |
| logger.GetLogger().LogFatal("Unable to get build logs for target %s" |
| % build) |
| |
| data_dict = FindBuildRecordFromLog(description, build_info) |
| if not data_dict: |
| logger.GetLogger().LogFatal("Unable to find build record for trybot %s" |
| % description) |
| |
| if "True" in data_dict["completed"]: |
| build_id = data_dict["number"] |
| else: |
| done = False |
| |
| if not done: |
| logger.GetLogger().LogOutput("{0} minutes passed.".format( |
| running_time / 60)) |
| logger.GetLogger().LogOutput("Sleeping {0} seconds.".format(SLEEP_TIME)) |
| time.sleep(SLEEP_TIME) |
| running_time += SLEEP_TIME |
| if running_time > TIME_OUT: |
| done = True |
| |
| trybot_image = "" |
| # Buildbot has finished. Look for the log and the trybot image. |
| if build_id: |
| log_name = GetBuildData(build, build_id) |
| if log_name: |
| trybot_image = ParseReportLog(log_name, build) |
| |
| return trybot_image |
