1 # Copyright 2016 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 6 from recipe_engine import recipe_api 7 import shlex 8 9 10 DEFAULT_TASK_EXPIRATION = 20*60*60 11 DEFAULT_TASK_TIMEOUT = 4*60*60 12 DEFAULT_IO_TIMEOUT = 40*60 13 14 MILO_LOG_LINK = 'https://luci-milo.appspot.com/swarming/task/%s' 15 16 17 class SkiaSwarmingApi(recipe_api.RecipeApi): 18 """Provides steps to run Skia tasks on swarming bots.""" 19 20 @property 21 def swarming_temp_dir(self): 22 """Path where artifacts like isolate file and json output will be stored.""" 23 return self.m.path['start_dir'].join('swarming_temp_dir') 24 25 @property 26 def tasks_output_dir(self): 27 """Directory where the outputs of the swarming tasks will be stored.""" 28 return self.swarming_temp_dir.join('outputs') 29 30 def isolated_file_path(self, task_name): 31 """Get the path to the given task's .isolated file.""" 32 return self.swarming_temp_dir.join('skia-task-%s.isolated' % task_name) 33 34 def setup(self, luci_go_dir, swarming_rev=None): 35 """Performs setup steps for swarming.""" 36 self.m.swarming_client.checkout(revision=swarming_rev) 37 self.m.swarming.check_client_version(step_test_data=(0, 8, 6)) 38 self.setup_go_isolate(luci_go_dir) 39 self.m.swarming.add_default_tag('allow_milo:1') 40 41 # TODO(rmistry): Remove once the Go binaries are moved to recipes or buildbot. 42 def setup_go_isolate(self, luci_go_dir): 43 """Generates and puts in place the isolate Go binary.""" 44 depot_tools_path = self.m.depot_tools.package_repo_resource() 45 env = {'PATH': self.m.path.pathsep.join([ 46 str(depot_tools_path), '%(PATH)s'])} 47 with self.m.context(env=env): 48 self.m.step('download luci-go linux', 49 ['download_from_google_storage', '--no_resume', 50 '--platform=linux*', '--no_auth', 51 '--bucket', 'chromium-luci', 52 '-d', luci_go_dir.join('linux64')]) 53 self.m.step('download luci-go mac', 54 ['download_from_google_storage', '--no_resume', 55 '--platform=darwin', '--no_auth', 56 '--bucket', 'chromium-luci', 57 '-d', luci_go_dir.join('mac64')]) 58 self.m.step('download luci-go win', 59 ['download_from_google_storage', '--no_resume', 60 '--platform=win32', '--no_auth', '--bucket', 61 'chromium-luci', 62 '-d', luci_go_dir.join('win64')]) 63 # Copy binaries to the expected location. 64 dest = self.m.path['start_dir'].join('luci-go') 65 self.m.run.rmtree(dest) 66 self.m.file.copytree('Copy Go binary', 67 source=luci_go_dir, 68 dest=dest) 69 70 def create_isolated_gen_json(self, isolate_path, base_dir, os_type, 71 task_name, extra_variables, blacklist=None): 72 """Creates an isolated.gen.json file (used by the isolate recipe module). 73 74 Args: 75 isolate_path: path obj. Path to the isolate file. 76 base_dir: path obj. Dir that is the base of all paths in the isolate file. 77 os_type: str. The OS type to use when archiving the isolate file. 78 Eg: linux. 79 task_name: str. The isolated.gen.json file will be suffixed by this str. 80 extra_variables: dict of str to str. The extra vars to pass to isolate. 81 Eg: {'SLAVE_NUM': '1', 'MASTER': 'ChromiumPerfFYI'} 82 blacklist: list of regular expressions indicating which files/directories 83 not to archive. 84 """ 85 self.m.file.ensure_directory( 86 'makedirs swarming tmp dir', 87 self.swarming_temp_dir) 88 isolated_path = self.isolated_file_path(task_name) 89 isolate_args = [ 90 '--isolate', isolate_path, 91 '--isolated', isolated_path, 92 '--config-variable', 'OS', os_type, 93 ] 94 if blacklist: 95 for b in blacklist: 96 isolate_args.extend(['--blacklist', b]) 97 for k, v in extra_variables.iteritems(): 98 isolate_args.extend(['--extra-variable', k, v]) 99 isolated_gen_dict = { 100 'version': 1, 101 'dir': base_dir, 102 'args': isolate_args, 103 } 104 isolated_gen_json = self.swarming_temp_dir.join( 105 '%s.isolated.gen.json' % task_name) 106 self.m.file.write_text( 107 'Write %s.isolated.gen.json' % task_name, 108 isolated_gen_json, 109 self.m.json.dumps(isolated_gen_dict, indent=4), 110 ) 111 112 def batcharchive(self, targets): 113 """Calls batcharchive on the skia.isolated.gen.json file. 114 115 Args: 116 targets: list of str. The suffixes of the isolated.gen.json files to 117 archive. 118 119 Returns: 120 list of tuples containing (task_name, swarming_hash). 121 """ 122 return self.m.isolate.isolate_tests( 123 verbose=True, # To avoid no output timeouts. 124 build_dir=self.swarming_temp_dir, 125 targets=targets).presentation.properties['swarm_hashes'].items() 126 127 def trigger_swarming_tasks( 128 self, swarm_hashes, dimensions, idempotent=False, store_output=True, 129 extra_args=None, expiration=None, hard_timeout=None, io_timeout=None, 130 cipd_packages=None): 131 """Triggers swarming tasks using swarm hashes. 132 133 Args: 134 swarm_hashes: list of str. List of swarm hashes from the isolate server. 135 dimensions: dict of str to str. The dimensions to run the task on. 136 Eg: {'os': 'Ubuntu', 'gpu': '10de', 'pool': 'Skia'} 137 idempotent: bool. Whether or not to de-duplicate tasks. 138 store_output: bool. Whether task output should be stored. 139 extra_args: list of str. Extra arguments to pass to the task. 140 expiration: int. Task will expire if not picked up within this time. 141 DEFAULT_TASK_EXPIRATION is used if this argument is None. 142 hard_timeout: int. Task will timeout if not completed within this time. 143 DEFAULT_TASK_TIMEOUT is used if this argument is None. 144 io_timeout: int. Task will timeout if there is no output within this time. 145 DEFAULT_IO_TIMEOUT is used if this argument is None. 146 cipd_packages: CIPD packages which these tasks depend on. 147 148 Returns: 149 List of swarming.SwarmingTask instances. 150 """ 151 swarming_tasks = [] 152 for task_name, swarm_hash in swarm_hashes: 153 swarming_task = self.m.swarming.task( 154 title=task_name, 155 cipd_packages=cipd_packages, 156 isolated_hash=swarm_hash) 157 if store_output: 158 swarming_task.task_output_dir = self.tasks_output_dir.join(task_name) 159 swarming_task.dimensions = dimensions 160 swarming_task.idempotent = idempotent 161 swarming_task.priority = 90 162 swarming_task.expiration = ( 163 expiration if expiration else DEFAULT_TASK_EXPIRATION) 164 swarming_task.hard_timeout = ( 165 hard_timeout if hard_timeout else DEFAULT_TASK_TIMEOUT) 166 swarming_task.io_timeout = ( 167 io_timeout if io_timeout else DEFAULT_IO_TIMEOUT) 168 if extra_args: 169 swarming_task.extra_args = extra_args 170 revision = self.m.properties.get('revision') 171 if revision: 172 swarming_task.tags.add('revision:%s' % revision) 173 swarming_tasks.append(swarming_task) 174 step_results = self.m.swarming.trigger(swarming_tasks) 175 for step_result in step_results: 176 self._add_log_links(step_result, step_result.json.output) 177 return swarming_tasks 178 179 def collect_swarming_task(self, swarming_task): 180 """Collects the specified swarming task. 181 182 Args: 183 swarming_task: An instance of swarming.SwarmingTask. 184 """ 185 try: 186 rv = self.m.swarming.collect_task(swarming_task) 187 except self.m.step.StepFailure as e: # pragma: no cover 188 step_result = self.m.step.active_result 189 # Change step result to Infra failure if the swarming task failed due to 190 # expiration, time outs, bot crashes or task cancelations. 191 # Infra failures have step.EXCEPTION. 192 states_infra_failure = ( 193 self.m.swarming.State.EXPIRED, self.m.swarming.State.TIMED_OUT, 194 self.m.swarming.State.BOT_DIED, self.m.swarming.State.CANCELED) 195 summary = step_result.swarming.summary 196 if summary['shards'][0]['state'] in states_infra_failure: 197 step_result.presentation.status = self.m.step.EXCEPTION 198 raise self.m.step.InfraFailure(e.name, step_result) 199 raise 200 finally: 201 step_result = self.m.step.active_result 202 # Add log link. 203 self._add_log_links(step_result, step_result.swarming.summary) 204 return rv 205 206 def _add_log_links(self, step_result, summary): 207 """Add Milo log links to all shards in the step.""" 208 ids = [] 209 shards = summary.get('shards') 210 if shards: 211 for shard in shards: 212 ids.append(shard['id']) 213 else: 214 for _, task in summary.get('tasks', {}).iteritems(): 215 ids.append(task['task_id']) 216 for idx, task_id in enumerate(ids): 217 link = MILO_LOG_LINK % task_id 218 k = 'view steps on Milo' 219 if len(ids) > 1: # pragma: nocover 220 k += ' (shard index %d, %d total)' % (idx, len(ids)) 221 step_result.presentation.links[k] = link 222 223
