visual_metrics.py 3.68 KB
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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
Generate labels for tasks without names, consistently.
Uses attributes from `primary-dependency`.
"""
from __future__ import absolute_import, print_function, unicode_literals

import os

from taskgraph.transforms.base import TransformSequence

transforms = TransformSequence()

SYMBOL = "{groupSymbol}({symbol}-vismet)"
# the test- prefix makes the task SETA-optimized.
LABEL = "test-vismet-{platform}-{label}"


@transforms.add
def make_label(config, jobs):
    """ Generate a sane label for a new task constructed from a dependency
    Using attributes from the dependent job and the current task kind"""
    for job in jobs:
        dep_job = job['primary-dependency']
        attr = dep_job.attributes.get

        if attr('locale', job.get('locale')):
            template = "{kind}-{locale}-{build_platform}/{build_type}"
        elif attr('l10n_chunk'):
            template = "{kind}-{build_platform}-{l10n_chunk}/{build_type}"
        elif config.kind.startswith("release-eme-free") or \
                config.kind.startswith("release-partner-repack"):
            suffix = job.get("extra", {}).get("repack_suffix", None) or \
                     job.get("extra", {}).get("repack_id", None)
            template = "{kind}-{build_platform}"
            if suffix:
                template += "-{}".format(suffix.replace('/', '-'))
        else:
            template = "{kind}-{build_platform}/{build_type}"
        job['label'] = template.format(
            kind=config.kind,
            build_platform=attr('build_platform'),
            build_type=attr('build_type'),
            locale=attr('locale', job.get('locale', '')),  # Locale can be absent
            l10n_chunk=attr('l10n_chunk', '')  # Can be empty
        )

        yield job


@transforms.add
def run_visual_metrics(config, jobs):
    for job in jobs:
        dep_job = job.pop('primary-dependency', None)
        if dep_job is not None:
            platform = dep_job.task['extra']['treeherder-platform']
            job['dependencies'] = {dep_job.label: dep_job.label}

            # Add the artifact to be processed as a fetches artifact
            job['fetches'][dep_job.label] = [{
                'artifact': 'browsertime-results.tgz',
                'extract': True
            }]

            # vismet runs on Linux but we want to have it displayed
            # alongside the job it was triggered by to make it easier for
            # people to find it back.
            job['label'] = LABEL.format(platform=platform, label=dep_job.label)
            treeherder_info = dict(dep_job.task['extra']['treeherder'])
            job['treeherder']['platform'] = platform
            job['treeherder']['symbol'] = SYMBOL.format(
                groupSymbol=treeherder_info['groupSymbol'],
                symbol=treeherder_info['symbol']
            )

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            # Store the platform name so we can use it to calculate
            # the similarity metric against other tasks
            job['worker'].setdefault('env', {})['TC_PLATFORM'] = platform

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            # run-on-projects needs to be set based on the dependent task
            attributes = dict(dep_job.attributes)
            job['run-on-projects'] = attributes['run_on_projects']

            # The run-on-tasks-for also needs to be setup here
            job['run-on-tasks-for'] = attributes.get('run_on_tasks_for', [])

            # We can't use the multi_dep transforms which remove this
            # field, so we remove the dependent-tasks entry here
            del job['dependent-tasks']

            yield job