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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/.
import argparse
import os
import requests
import urlparse
treeherder_base = "https://treeherder.mozilla.org/"
"""Simple script for downloading structured logs from treeherder.
For the moment this is specialised to work with web-platform-tests
logs; in due course it should move somewhere generic and get hooked
up to mach or similar"""
# Interpretation of the "job" list from
# https://github.com/mozilla/treeherder-service/blob/master/treeherder/webapp/api/utils.py#L18
def create_parser():
parser = argparse.ArgumentParser()
parser.add_argument("branch", action="store",
help="Branch on which jobs ran")
parser.add_argument("commit",
action="store",
help="Commit hash for push")
return parser
def download(url, prefix, dest, force_suffix=True):
if dest is None:
dest = "."
if prefix and not force_suffix:
name = os.path.join(dest, prefix + ".log")
else:
name = None
counter = 0
while not name or os.path.exists(name):
counter += 1
sep = "" if not prefix else "-"
name = os.path.join(dest, prefix + sep + str(counter) + ".log")
with open(name, "wb") as f:
resp = requests.get(url, stream=True)
for chunk in resp.iter_content(1024):
f.write(chunk)
def fetch_json(url, params=None):
headers = {
'Accept': 'application/json',
'User-Agent': 'wpt-fetchlogs',
}
response = requests.get(url=url, params=params, headers=headers, timeout=30)
response.raise_for_status()
return response.json()
def get_blobber_url(branch, job):
job_guid = job["job_guid"]
artifact_url = urlparse.urljoin(treeherder_base, "/api/jobdetail/")
artifact_params = {
'job_guid': job_guid,
}
job_data = fetch_json(artifact_url, params=artifact_params)
if job_data:
try:
for item in job_data["results"]:
if item["value"] == "wpt_raw.log":
return item["url"]
except:
return None
def get_structured_logs(branch, commit, dest=None):
resultset_url = urlparse.urljoin(treeherder_base, "/api/project/%s/resultset/" % branch)
resultset_params = {
'revision': commit,
}
revision_data = fetch_json(resultset_url, params=resultset_params)
result_set = revision_data["results"][0]["id"]
jobs_url = urlparse.urljoin(treeherder_base, "/api/project/%s/jobs/" % branch)
jobs_params = {
'result_set_id': result_set,
'count': 2000,
'exclusion_profile': 'false',
}
job_data = fetch_json(jobs_url, params=jobs_params)
for result in job_data["results"]:
job_type_name = result["job_type_name"]
if job_type_name.startswith("W3C Web Platform"):
url = get_blobber_url(branch, result)
if url:
prefix = result["platform"] # platform
download(url, prefix, None)
def main():
parser = create_parser()
args = parser.parse_args()
get_structured_logs(args.branch, args.commit)
if __name__ == "__main__":
main()
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