1 files changed, 113 insertions, 0 deletions
diff --git a/testing/web-platform/update/fetchlogs.py b/testing/web-platform/update/fetchlogs.py
new file mode 100644
index 000000000..fc8e5c9aa
--- /dev/null
+++ b/testing/web-platform/update/fetchlogs.py
@@ -0,0 +1,113 @@
+# 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()