mirror of
https://github.com/IEEE-SB-Passau/pelican-deployment-system.git
synced 2017-09-06 16:35:38 +02:00
79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# Copyright 2016 Peter Dahlberg
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from bottle import route, run, template, request, post, Bottle, HTTPError
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import logging
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import hmac
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import hashlib
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import sys
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log = logging.getLogger(__name__)
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app = Bottle()
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def set_runners(**name_runner_mapping):
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app.config["deploy.runners"] = name_runner_mapping
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def set_github_secret(secret):
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app.config["deploy.github_secret"] = secret
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def _get_runner(name):
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try:
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runners = app.config["deploy.runners"]
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except KeyError as e:
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sys.exit("you have to call set_runners first")
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return runners[name]
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def _start_build(name, push_ref):
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runner = _get_runner(name)
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branch = runner.git_branch
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if push_ref in (branch, "refs/heads/{}".format(branch)):
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runner.build(abort_running=True)
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else:
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log.debug("Runner %s was not invoked, push to branch %s, runner for %s",
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runner.name, push_ref, branch)
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def _verify_github_signature(sighdr, body):
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try:
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secret = app.config["deploy.github_secret"]
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except KeyError as e:
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raise RuntimeError("github secret not set!") from e
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signature = 'sha1=' + hmac.new(secret, body, hashlib.sha1).hexdigest()
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return hmac.compare_digest(sighdr, signature)
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@app.post('/github/<name>')
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def github(name):
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sighdr = request.headers.get("X-Hub-Signature", "")
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if not _verify_github_signature(sighdr, request.body.read()):
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log.error("Github request for %s faild to validate. "
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"Have you configured the secret correctly?", name)
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raise HTTPError(status=403)
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evtype = request.headers.get('X-GitHub-Event')
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if evtype != "push":
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log.info("Github sent event of type %s to %s, ignoring", evtype, name)
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return "Ignored"
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log.info("Got Github event of type %s to %s", evtype, name)
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hook = request.json
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_start_build(name, hook.get("ref", ""))
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return "Success!"
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