mirror of
https://github.com/element-hq/element-web.git
synced 2024-12-13 14:38:43 +03:00
237 lines
7.8 KiB
Python
Executable file
237 lines
7.8 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# auto-deploy script for https://riot.im/develop
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#
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# Listens for HTTP hits. When it gets one, downloads the artifact from jenkins
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# and deploys it as the new version.
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#
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# Requires the following python packages:
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#
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# - requests
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# - flask
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#
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from __future__ import print_function
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import json, requests, tarfile, argparse, os, errno
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import time
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from urlparse import urljoin
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from flask import Flask, jsonify, request, abort
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from deploy import Deployer, DeployException
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app = Flask(__name__)
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arg_jenkins_url = None
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deployer = None
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arg_extract_path = None
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arg_symlink = None
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def create_symlink(source, linkname):
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try:
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os.symlink(source, linkname)
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except OSError, e:
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if e.errno == errno.EEXIST:
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# atomic modification
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os.symlink(source, linkname + ".tmp")
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os.rename(linkname + ".tmp", linkname)
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else:
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raise e
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@app.route("/", methods=["POST"])
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def on_receive_jenkins_poke():
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# {
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# "name": "VectorWebDevelop",
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# "build": {
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# "number": 8
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# }
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# }
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incoming_json = request.get_json()
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if not incoming_json:
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abort(400, "No JSON provided!")
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return
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print("Incoming JSON: %s" % (incoming_json,))
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job_name = incoming_json.get("name")
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if not isinstance(job_name, basestring):
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abort(400, "Bad job name: %s" % (job_name,))
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return
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build_num = incoming_json.get("build", {}).get("number", 0)
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if not build_num or build_num <= 0 or not isinstance(build_num, int):
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abort(400, "Missing or bad build number")
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return
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return fetch_jenkins_build(job_name, build_num)
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def fetch_jenkins_build(job_name, build_num):
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artifact_url = urljoin(
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arg_jenkins_url, "job/%s/%s/api/json" % (job_name, build_num)
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)
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artifact_response = requests.get(artifact_url).json()
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# {
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# "actions": [],
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# "artifacts": [
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# {
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# "displayPath": "vector-043f6991a4ed-react-20f77d1224ef-js-0a7efe3e8bd5.tar.gz",
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# "fileName": "vector-043f6991a4ed-react-20f77d1224ef-js-0a7efe3e8bd5.tar.gz",
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# "relativePath": "vector-043f6991a4ed-react-20f77d1224ef-js-0a7efe3e8bd5.tar.gz"
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# }
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# ],
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# "building": false,
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# "description": null,
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# "displayName": "#11",
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# "duration": 137976,
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# "estimatedDuration": 132008,
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# "executor": null,
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# "fullDisplayName": "VectorWebDevelop #11",
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# "id": "11",
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# "keepLog": false,
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# "number": 11,
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# "queueId": 12254,
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# "result": "SUCCESS",
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# "timestamp": 1454432640079,
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# "url": "http://matrix.org/jenkins/job/VectorWebDevelop/11/",
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# "builtOn": "",
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# "changeSet": {},
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# "culprits": []
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# }
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if artifact_response.get("result") != "SUCCESS":
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abort(404, "Not deploying. Build was not marked as SUCCESS.")
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return
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if len(artifact_response.get("artifacts", [])) != 1:
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abort(404, "Not deploying. Build has an unexpected number of artifacts.")
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return
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tar_gz_path = artifact_response["artifacts"][0]["relativePath"]
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if not tar_gz_path.endswith(".tar.gz"):
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abort(404, "Not deploying. Artifact is not a .tar.gz file")
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return
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tar_gz_url = urljoin(
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arg_jenkins_url, "job/%s/%s/artifact/%s" % (job_name, build_num, tar_gz_path)
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)
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# we extract into a directory based on the build number. This avoids the
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# problem of multiple builds building the same git version and thus having
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# the same tarball name. That would lead to two potential problems:
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# (a) sometimes jenkins serves corrupted artifacts; we would replace
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# a good deploy with a bad one
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# (b) we'll be overwriting the live deployment, which means people might
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# see half-written files.
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build_dir = os.path.join(arg_extract_path, "%s-#%s" % (job_name, build_num))
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try:
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extracted_dir = deploy_tarball(tar_gz_url, build_dir)
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except DeployException as e:
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abort(400, e.message)
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create_symlink(source=extracted_dir, linkname=arg_symlink)
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return jsonify({})
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def deploy_tarball(tar_gz_url, build_dir):
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"""Download a tarball from jenkins and unpack it
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Returns:
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(str) the path to the unpacked deployment
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"""
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if os.path.exists(build_dir):
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raise DeployException(
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"Not deploying. We have previously deployed this build."
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)
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os.mkdir(build_dir)
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# we rely on the fact that flask only serves one request at a time to
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# ensure that we do not overwrite a tarball from a concurrent request.
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return deployer.deploy(tar_gz_url, build_dir)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser("Runs a Vector redeployment server.")
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parser.add_argument(
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"-j", "--jenkins", dest="jenkins", default="https://matrix.org/jenkins/", help=(
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"The base URL of the Jenkins web server. This will be hit to get the\
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built artifacts (the .gz file) for redeploying."
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)
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)
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parser.add_argument(
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"-p", "--port", dest="port", default=4000, type=int, help=(
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"The port to listen on for requests from Jenkins."
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)
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)
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parser.add_argument(
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"-e", "--extract", dest="extract", default="./extracted", help=(
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"The location to extract .tar.gz files to."
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)
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)
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parser.add_argument(
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"-b", "--bundles-dir", dest="bundles_dir", help=(
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"A directory to move the contents of the 'bundles' directory to. A \
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symlink to the bundles directory will also be written inside the \
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extracted tarball. Example: './bundles'."
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)
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)
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parser.add_argument(
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"-c", "--clean", dest="clean", action="store_true", default=False, help=(
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"Remove .tar.gz files after they have been downloaded and extracted."
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)
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)
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parser.add_argument(
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"-s", "--symlink", dest="symlink", default="./latest", help=(
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"Write a symlink to this location pointing to the extracted tarball. \
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New builds will keep overwriting this symlink. The symlink will point \
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to the /vector directory INSIDE the tarball."
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)
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)
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parser.add_argument(
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"--config", dest="config", help=(
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"Write a symlink to config.json in the extracted tarball. \
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To this location."
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)
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)
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parser.add_argument(
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"--test", dest="tarball_uri", help=(
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"Don't start an HTTP listener. Instead download a build from Jenkins \
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immediately."
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),
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)
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args = parser.parse_args()
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if args.jenkins.endswith("/"): # important for urljoin
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arg_jenkins_url = args.jenkins
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else:
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arg_jenkins_url = args.jenkins + "/"
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arg_extract_path = args.extract
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arg_symlink = args.symlink
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if not os.path.isdir(arg_extract_path):
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os.mkdir(arg_extract_path)
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deployer = Deployer()
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deployer.bundles_path = args.bundles_dir
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deployer.should_clean = args.clean
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deployer.config_location = args.config
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# we don't pgp-sign jenkins artifacts; instead we rely on HTTPS access to
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# the jenkins server (and the jenkins server not being compromised and/or
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# github not serving it compromised source). If that's not good enough for
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# you, don't use riot.im/develop.
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deployer.verify_signature = False
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if args.tarball_uri is not None:
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build_dir = os.path.join(arg_extract_path, "test-%i" % (time.time()))
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deploy_tarball(args.tarball_uri, build_dir)
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else:
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print(
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"Listening on port %s. Extracting to %s%s. Symlinking to %s. Jenkins URL: %s. Config location: %s" %
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(args.port,
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arg_extract_path,
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" (clean after)" if deployer.should_clean else "",
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arg_symlink,
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arg_jenkins_url,
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deployer.config_location,
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)
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)
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app.run(host="0.0.0.0", port=args.port, debug=True)
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