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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/.
from __future__ import absolute_import, print_function, unicode_literals
from taskgraph.optimize import All, OptimizationStrategy, register_strategy
from taskgraph.util.backstop import BACKSTOP_PUSH_INTERVAL
@register_strategy("skip-unless-backstop")
class SkipUnlessBackstop(OptimizationStrategy):
"""Always removes tasks except on backstop pushes."""
def should_remove_task(self, task, params, _):
return not params["backstop"]
class SkipUnlessPushInterval(OptimizationStrategy):
"""Always removes tasks except every N pushes.
Args:
push_interval (int): Number of pushes
"""
def __init__(self, push_interval, remove_on_projects=None):
self.push_interval = push_interval
@property
def description(self):
return "skip-unless-push-interval-{}".format(self.push_interval)
def should_remove_task(self, task, params, _):
# On every Nth push, want to run all tasks.
return int(params["pushlog_id"]) % self.push_interval != 0
# Strategy to run tasks on "expanded" pushes, currently defined as pushes that
# are half the backstop interval. The 'All' composite strategy means that the
# "backstop" strategy will prevent "expanded" from applying on backstop pushes.
register_strategy(
"skip-unless-expanded",
args=(
"skip-unless-backstop",
SkipUnlessPushInterval(BACKSTOP_PUSH_INTERVAL / 2),
),
)(All)
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