942c0e76f3
This commit comes with both the consumer as well as an example configuration file Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
"""
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This script runs in a loop and clone or update the clone of the ansible repo
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hosted in pagure.io
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"""
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from __future__ import print_function
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import datetime
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import logging
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import os
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import sched
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import subprocess
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import sys
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import time
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from fedora_messaging import api, config
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_log = logging.getLogger(__name__)
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def run_command(command, cwd=None):
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""" Run the specified command in a specific working directory if one
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is specified.
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:arg command: the command to run
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:type command: list
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:kwarg cwd: the working directory in which to run this command
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:type cwd: str or None
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"""
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output = None
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try:
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output = subprocess.check_output(command, cwd=cwd, stderr=subprocess.PIPE)
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except subprocess.CalledProcessError as e:
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_log.error("Command `%s` return code: `%s`", " ".join(command), e.returncode)
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_log.error("stdout:\n-------\n%s", e.stdout)
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_log.error("stderr:\n-------\n%s", e.stderr)
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raise
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return output
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class MirrorFromPagure(object):
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"""
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A fedora-messaging consumer update a local mirror of a repo hosted on
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pagure.io.
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Three configuration key is used from fedora-messaging's
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"consumer_config" key:
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- "mirror_folder", which indicates where mirrors should be store
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- "urls", which is a list of mirrors to keep up to date
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- "triggers_name", the fullname of the project (ie: name or namespace/name)
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that we want to trigger a refresh of our clone on
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::
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[consumer_config]
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mirror_folder = "mirrors"
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trigger_names = ["Fedora-Infra/ansible"]
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urls = ["https://pagure.io/Fedora-Infra/ansible.git"]
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"""
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def __init__(self):
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"""Perform some one-time initialization for the consumer."""
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self.path = config.conf["consumer_config"]["mirror_folder"]
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self.urls = config.conf["consumer_config"]["urls"]
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self.trigger_names = config.conf["consumer_config"]["trigger_names"]
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if not os.path.exists(self.path):
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raise OSError("No folder %s found on disk" % self.path)
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def __call__(self, message, cnt=0):
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"""
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Invoked when a message is received by the consumer.
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Args:
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message (fedora_messaging.api.Message): The message from AMQP.
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"""
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_log.info("Received topic: %s", message.topic)
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if message.topic == "io.pagure.prod.pagure.git.receive":
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repo_name = message.body.get("repo", {}).get("fullname")
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if repo_name not in self.trigger_names:
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_log.info("Not the pagure repo of interest, bailing")
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return
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elif message.topic == "org.fedoraproject.prod.infragit.receive":
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pass
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else:
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_log.info("Unexpected topic received: %s", message.topic)
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return
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try:
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for url in self.urls:
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_log.info("Syncing %s", url)
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name = url.rsplit("/", 1)[-1]
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dest_folder = os.path.join(self.path, name)
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if not os.path.exists(dest_folder):
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_log.info(" Cloning as new %s", url)
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cmd = ["git", "clone", "--mirror", url]
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run_command(cmd, cwd=self.path)
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_log.info(
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" Running git fetch with transfer.fsckObjects=1 in %s",
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dest_folder
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)
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cmd = ["git", "-c", "transfer.fsckObjects=1", "fetch"]
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run_command(cmd, cwd=dest_folder)
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except Exception:
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_log.exception("Something happened while calling git")
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if cnt >= 3:
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raise
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_log.info(" Re-running in 10 seconds")
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time.sleep(10)
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self.__call__(message, cnt=cnt+1)
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api.consume(MirrorFromPagure)
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