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Merge pull request #9577 from vector-im/dbkr/convert_redeploy_server_to_buildkite

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Convert redeploy.py to buildkite
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David Baker 2019-04-26 16:04:04 +01:00 committed by GitHub
commit 00d33599f0
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1 changed files with 119 additions and 84 deletions
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203
scripts/redeploy.py
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@ -2,7 +2,8 @@
#
# auto-deploy script for https://riot.im/develop
#
# Listens for HTTP hits. When it gets one, downloads the artifact from jenkins
# Listens for buildkite webhook pokes (https://buildkite.com/docs/apis/webhooks)
# When it gets one, downloads the artifact from buildkite
# and deploys it as the new version.
#
# Requires the following python packages:
@ -16,6 +17,8 @@ import time
import traceback
from urlparse import urljoin
import glob
import re
import shutil
from flask import Flask, jsonify, request, abort
@ -23,10 +26,11 @@ from deploy import Deployer, DeployException
app = Flask(__name__)
arg_jenkins_url = None
deployer = None
arg_extract_path = None
arg_symlink = None
arg_webhook_token = None
arg_api_token = None
def create_symlink(source, linkname):
try:
@ -39,81 +43,98 @@ def create_symlink(source, linkname):
else:
raise e
def req_headers():
return {
"Authorization": "Bearer %s" % (arg_api_token,),
}
@app.route("/", methods=["POST"])
def on_receive_jenkins_poke():
# {
# "name": "VectorWebDevelop",
# "build": {
# "number": 8
# }
# }
def on_receive_buildkite_poke():
got_webhook_token = request.headers.get('X-Buildkite-Token')
if got_webhook_token != arg_webbook_token:
print("Denying request with incorrect webhook token: %s" % (got_webhook_token,))
abort(400, "Incorrect webhook token")
return
required_api_prefix = None
if arg_buildkit_org is not None:
required_api_prefix = 'https://api.buildkite.com/v2/organizations/%s' % (arg_buildkit_org,)
incoming_json = request.get_json()
if not incoming_json:
abort(400, "No JSON provided!")
return
print("Incoming JSON: %s" % (incoming_json,))
job_name = incoming_json.get("name")
if not isinstance(job_name, basestring):
abort(400, "Bad job name: %s" % (job_name,))
event = incoming_json.get("event")
if event is None:
abort(400, "No 'event' specified")
return
build_num = incoming_json.get("build", {}).get("number", 0)
if not build_num or build_num <= 0 or not isinstance(build_num, int):
abort(400, "Missing or bad build number")
if event == 'ping':
print("Got ping request - responding")
return jsonify({'response': 'pong!'})
if event != 'build.finished':
print("Rejecting '%s' event")
abort(400, "Unrecognised event")
return
return fetch_jenkins_build(job_name, build_num)
def fetch_jenkins_build(job_name, build_num):
artifact_url = urljoin(
arg_jenkins_url, "job/%s/%s/api/json" % (job_name, build_num)
)
artifact_response = requests.get(artifact_url).json()
# {
# "actions": [],
# "artifacts": [
# {
# "displayPath": "vector-043f6991a4ed-react-20f77d1224ef-js-0a7efe3e8bd5.tar.gz",
# "fileName": "vector-043f6991a4ed-react-20f77d1224ef-js-0a7efe3e8bd5.tar.gz",
# "relativePath": "vector-043f6991a4ed-react-20f77d1224ef-js-0a7efe3e8bd5.tar.gz"
# }
# ],
# "building": false,
# "description": null,
# "displayName": "#11",
# "duration": 137976,
# "estimatedDuration": 132008,
# "executor": null,
# "fullDisplayName": "VectorWebDevelop #11",
# "id": "11",
# "keepLog": false,
# "number": 11,
# "queueId": 12254,
# "result": "SUCCESS",
# "timestamp": 1454432640079,
# "url": "http://matrix.org/jenkins/job/VectorWebDevelop/11/",
# "builtOn": "",
# "changeSet": {},
# "culprits": []
# }
if artifact_response.get("result") != "SUCCESS":
abort(404, "Not deploying. Build was not marked as SUCCESS.")
build_obj = incoming_json.get("build")
if build_obj is None:
abort(400, "No 'build' object")
return
if len(artifact_response.get("artifacts", [])) != 1:
abort(404, "Not deploying. Build has an unexpected number of artifacts.")
build_url = build_obj.get('url')
if build_url is None:
abort(400, "build has no url")
return
tar_gz_path = artifact_response["artifacts"][0]["relativePath"]
if not tar_gz_path.endswith(".tar.gz"):
abort(404, "Not deploying. Artifact is not a .tar.gz file")
if required_api_prefix is not None and not build_url.startswith(required_api_prefix):
print("Denying poke for build url with incorrect prefix: %s" % (build_url,))
abort(400, "Invalid build url")
return
tar_gz_url = urljoin(
arg_jenkins_url, "job/%s/%s/artifact/%s" % (job_name, build_num, tar_gz_path)
)
build_num = build_obj.get('number')
if build_num is None:
abort(400, "build has no number")
return
pipeline_obj = incoming_json.get("pipeline")
if pipeline_obj is None:
abort(400, "No 'pipeline' object")
return
pipeline_name = pipeline_obj.get('name')
if pipeline_name is None:
abort(400, "pipeline has no name")
return
artifacts_url = build_url + "/artifacts"
artifacts_resp = requests.get(artifacts_url, headers=req_headers())
artifacts_resp.raise_for_status()
artifacts_array = artifacts_resp.json()
for artifact in artifacts_array:
artifact_to_deploy = None
if re.match(r"dist/.*.tar.gz", artifact['path']):
artifact_to_deploy = artifact
if artifact_to_deploy is None:
print("No suitable artifacts found")
return jsonify({})
# double paranoia check: make sure the artifact is on the right org too
if required_api_prefix is not None and not artifact_to_deploy['url'].startswith(required_api_prefix):
print("Denying poke for build url with incorrect prefix: %s" % (artifact_to_deploy['url'],))
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)
def deploy_buildkite_artifact(artifact, pipeline_name, build_num):
artifact_response = requests.get(artifact['url'], headers=req_headers())
artifact_response.raise_for_status()
artifact_obj = artifact_response.json()
# we extract into a directory based on the build number. This avoids the
# problem of multiple builds building the same git version and thus having
@ -122,9 +143,9 @@ def fetch_jenkins_build(job_name, build_num):
# a good deploy with a bad one
# (b) we'll be overwriting the live deployment, which means people might
# see half-written files.
build_dir = os.path.join(arg_extract_path, "%s-#%s" % (job_name, build_num))
build_dir = os.path.join(arg_extract_path, "%s-#%s" % (pipeline_name, build_num))
try:
extracted_dir = deploy_tarball(tar_gz_url, build_dir)
extracted_dir = deploy_tarball(artifact_obj, build_dir)
except DeployException as e:
traceback.print_exc()
abort(400, e.message)
@ -133,7 +154,7 @@ def fetch_jenkins_build(job_name, build_num):
return jsonify({})
def deploy_tarball(tar_gz_url, build_dir):
def deploy_tarball(artifact, build_dir):
"""Download a tarball from jenkins and unpack it
Returns:
@ -145,20 +166,22 @@ def deploy_tarball(tar_gz_url, build_dir):
)
os.mkdir(build_dir)
# Download the tarball here as buildkite needs auth to do this
# we don't pgp-sign buildkite artifacts, relying on HTTPS and buildkite
# not being evil. If that's not good enough for you, don't use riot.im/develop.
resp = requests.get(artifact['download_url'], stream=True, headers=req_headers())
resp.raise_for_status()
with open(artifact['filename'], 'wb') as ofp:
shutil.copyfileobj(resp.raw, ofp)
# we rely on the fact that flask only serves one request at a time to
# ensure that we do not overwrite a tarball from a concurrent request.
return deployer.deploy(tar_gz_url, build_dir)
return deployer.deploy(artifact['filename'], build_dir)
if __name__ == "__main__":
parser = argparse.ArgumentParser("Runs a Vector redeployment server.")
parser.add_argument(
"-j", "--jenkins", dest="jenkins", default="https://matrix.org/jenkins/", help=(
"The base URL of the Jenkins web server. This will be hit to get the\
built artifacts (the .gz file) for redeploying."
)
)
parser.add_argument(
"-p", "--port", dest="port", default=4000, type=int, help=(
"The port to listen on for requests from Jenkins."
@ -204,13 +227,33 @@ if __name__ == "__main__":
),
)
parser.add_argument(
"--webhook-token", dest="webhook_token", help=(
"Only accept pokes with this buildkite token."
), required=True,
)
parser.add_argument(
"--api-token", dest="api_token", help=(
"API access token for buildkite. Require read_artifacts scope."
), required=True,
)
# We require a matching webhook token, but because we take everything else
# about what to deploy from the poke body, we can be a little more paranoid
# and only accept builds / artifacts from a specific buildkite org
parser.add_argument(
"--org", dest="buildkite_org", help=(
"Lock down to this buildkite org"
)
)
args = parser.parse_args()
if args.jenkins.endswith("/"): # important for urljoin
arg_jenkins_url = args.jenkins
else:
arg_jenkins_url = args.jenkins + "/"
arg_extract_path = args.extract
arg_symlink = args.symlink
arg_webbook_token = args.webhook_token
arg_api_token = args.api_token
arg_buildkit_org = args.buildkit_org
if not os.path.isdir(arg_extract_path):
os.mkdir(arg_extract_path)
@ -222,25 +265,17 @@ if __name__ == "__main__":
for include in args.include:
deployer.symlink_paths.update({ os.path.basename(pth): pth for pth in glob.iglob(include) })
# we don't pgp-sign jenkins artifacts; instead we rely on HTTPS access to
# the jenkins server (and the jenkins server not being compromised and/or
# github not serving it compromised source). If that's not good enough for
# you, don't use riot.im/develop.
deployer.verify_signature = False
if args.tarball_uri is not None:
build_dir = os.path.join(arg_extract_path, "test-%i" % (time.time()))
deploy_tarball(args.tarball_uri, build_dir)
else:
print(
"Listening on port %s. Extracting to %s%s. Symlinking to %s. Jenkins URL: %s. Include files: %s" %
"Listening on port %s. Extracting to %s%s. Symlinking to %s. Include files: %s" %
(args.port,
arg_extract_path,
" (clean after)" if deployer.should_clean else "",
arg_symlink,
arg_jenkins_url,
deployer.symlink_paths,
)
)
app.run(host="0.0.0.0", port=args.port, debug=True)
app.run(port=args.port, debug=False)