bugbug/infra/spawn_pipeline.py

142 строки
4.2 KiB
Python

#!/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2019 Mozilla
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This script triggers the data pipeline for the bugbug project."""
import argparse
import os
from logging import INFO, basicConfig, getLogger
import jsone
import requests.packages.urllib3
import taskcluster
import yaml
basicConfig(level=INFO)
logger = getLogger(__name__)
requests.packages.urllib3.disable_warnings()
TASKCLUSTER_DEFAULT_URL = "https://community-tc.services.mozilla.com"
def get_taskcluster_options():
"""Get the Taskcluster setup options according to current environment.
The current environment could be local.
"""
options = taskcluster.optionsFromEnvironment()
proxy_url = os.environ.get("TASKCLUSTER_PROXY_URL")
if proxy_url is not None:
# Always use proxy url when available
options["rootUrl"] = proxy_url
if "rootUrl" not in options:
# Always have a value in root url
options["rootUrl"] = TASKCLUSTER_DEFAULT_URL
return options
def main():
parser = argparse.ArgumentParser(description="Spawn tasks for bugbug data pipeline")
parser.add_argument("data_pipeline_json")
args = parser.parse_args()
decision_task_id = os.environ.get("TASK_ID")
options = get_taskcluster_options()
add_self = False
if decision_task_id:
add_self = True
task_group_id = decision_task_id
else:
task_group_id = taskcluster.utils.slugId()
keys = {"taskGroupId": task_group_id}
id_mapping = {}
# First pass, do the template rendering and dependencies resolution
tasks = []
with open(args.data_pipeline_json) as pipeline_file:
raw_tasks = yaml.safe_load(pipeline_file.read())
version = os.getenv("TAG", "latest")
context = {"version": version}
rendered = jsone.render(raw_tasks, context)
for task in rendered["tasks"]:
# We need to generate new unique task ids for taskcluster to be happy
# but need to identify dependencies across tasks. So we create a
# mapping between an internal ID and the generate ID
task_id = taskcluster.utils.slugId()
task_internal_id = task["ID"]
if task_internal_id in id_mapping:
raise ValueError(f"Conflicting IDs {task_internal_id}")
# Store each task ID in the id_mapping dictionary before processing dependencies.
# This way, tasks can be defined in any order.
id_mapping[task_internal_id] = task_id
for task in rendered["tasks"]:
task_internal_id = task.pop("ID")
task_id = id_mapping[task_internal_id]
for key, value in keys.items():
task[key] = value
task_payload = task["payload"]
if "env" in task_payload and task_payload["env"]:
task_payload["env"]["TAG"] = version
else:
task_payload["env"] = {
"TAG": version,
}
# Process the dependencies
new_dependencies = []
for dependency in task.get("dependencies", []):
new_dependencies.append(id_mapping[dependency])
if add_self:
new_dependencies.append(decision_task_id)
task["dependencies"] = new_dependencies
tasks.append((task_id, task))
# Now sends them
queue = taskcluster.Queue(options)
try:
for task_id, task_payload in tasks:
queue.createTask(task_id, task_payload)
logger.info(
"https://community-tc.services.mozilla.com/tasks/groups/%s", task_group_id
)
except taskcluster.exceptions.TaskclusterAuthFailure:
logger.exception("Failed to authenticate with Taskcluster")
raise
if __name__ == "__main__":
main()