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Respond quickly to buildkite pokes

Otherwise it thinks they have failed, as per comment.
pull/9617/head
David Baker 3 years ago
parent
commit
a7756fc876
  1. 30
      scripts/redeploy.py

30
scripts/redeploy.py

@ -19,6 +19,8 @@ from urlparse import urljoin
import glob
import re
import shutil
import threading
from Queue import Queue
from flask import Flask, jsonify, request, abort
@ -32,6 +34,8 @@ arg_symlink = None
arg_webhook_token = None
arg_api_token = None
workQueue = Queue()
def create_symlink(source, linkname):
try:
os.symlink(source, linkname)
@ -48,6 +52,16 @@ def req_headers():
"Authorization": "Bearer %s" % (arg_api_token,),
}
# Buildkite considers a poke to have failed if it has to wait more than 10s for
# data (any data, not just the initial response) and it normally takes longer than
# that to download an artifact from buildkite. Apparently there is no way in flask
# to finish the response and then keep doing stuff, so instead this has to involve
# threading. Sigh.
def worker_thread():
while True:
toDeploy = workQueue.get()
deploy_buildkite_artifact(*toDeploy)
@app.route("/", methods=["POST"])
def on_receive_buildkite_poke():
got_webhook_token = request.headers.get('X-Buildkite-Token')
@ -129,7 +143,16 @@ def on_receive_buildkite_poke():
abort(400, "Refusing to deploy artifact from URL %s", artifact_to_deploy['url'])
return
return deploy_buildkite_artifact(artifact_to_deploy, pipeline_name, build_num)
# there's no point building up a queue of things to deploy, so if there are any pending jobs,
# remove them
while not workQueue.empty():
try:
workQueue.get(False)
except:
pass
workQueue.put([artifact_to_deploy, pipeline_name, build_num])
return jsonify({})
def deploy_buildkite_artifact(artifact, pipeline_name, build_num):
artifact_response = requests.get(artifact['url'], headers=req_headers())
@ -152,8 +175,6 @@ def deploy_buildkite_artifact(artifact, pipeline_name, build_num):
create_symlink(source=extracted_dir, linkname=arg_symlink)
return jsonify({})
def deploy_tarball(artifact, build_dir):
"""Download a tarball from jenkins and unpack it
@ -281,4 +302,7 @@ if __name__ == "__main__":
deployer.symlink_paths,
)
)
fred = threading.Thread(target=worker_thread)
fred.daemon = True
fred.start()
app.run(port=args.port, debug=False)

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