Put jenkins console logs into logstash.
Add a script that listens to jenkins ZMQ events and uses that information to grab log files and pipe them into logstash. Configure logstash to use this script and allow this script to connect to jenkins via tcp port 8888. Change-Id: Iced7d3a3147c116170a238b4fe07b46b7fb2a2a3 Reviewed-on: https://review.openstack.org/26035 Reviewed-by: James E. Blair <corvus@inaugust.com> Reviewed-by: Monty Taylor <mordred@inaugust.com> Approved: Clark Boylan <clark.boylan@gmail.com> Tested-by: Jenkins
This commit is contained in:
Clark Boylan
Jenkins
parent
18275980f0
commit
9dfa44abca
216
modules/openstack_project/files/logstash/log-pusher.py
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216
modules/openstack_project/files/logstash/log-pusher.py
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@ -0,0 +1,216 @@
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#!/usr/bin/python3
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#
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import gzip
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import json
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import threading
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import time
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import queue
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import urllib.error
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import urllib.request
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import zmq
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class EventCatcher(threading.Thread):
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def __init__(self, eventq, zmq_address):
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threading.Thread.__init__(self)
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self.eventq = eventq
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self.zmq_address = zmq_address
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self._connect_zmq()
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def run(self):
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while True:
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try:
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self._read_event()
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except:
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# Assume that an error reading data from zmq or deserializing
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# data received from zmq indicates a zmq error and reconnect.
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self._connect_zmq()
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def _connect_zmq(self):
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self.context = zmq.Context()
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self.socket = self.context.socket(zmq.SUB)
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event_filter = b"onFinalized"
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self.socket.setsockopt(zmq.SUBSCRIBE, event_filter)
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self.socket.connect(self.zmq_address)
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def _read_event(self):
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string = self.socket.recv().decode('utf-8')
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event = json.loads(string.split(None, 1)[1])
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self.eventq.put(event)
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class LogRetriever(threading.Thread):
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log_dirs = {
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'check': "/{build_change}/{build_patchset}/{build_queue}/"
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"{build_name}/{build_number}/",
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'gate': "/{build_change}/{build_patchset}/{build_queue}/"
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"{build_name}/{build_number}/",
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'post': "/{build_shortref}/{build_queue}/{build_name}/"
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"{build_number}/",
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'pre-release': "/{build_shortref}/{build_queue}/{build_name}/"
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"{build_number}/",
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'release': "/{build_shortref}/{build_queue}/{build_name}/"
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"{build_number}/",
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'UNKNOWN': "/periodic/{build_name}/{build_number}/",
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}
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def __init__(self, eventq, logq, log_address, filename, retry=False):
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threading.Thread.__init__(self)
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self.eventq = eventq
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self.logq = logq
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self.retry = retry
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self.log_address = log_address
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self.filename = filename
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def run(self):
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while True:
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self._handle_event()
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def _handle_event(self):
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event = self.eventq.get()
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fields = self._parse_fields(event)
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if fields['build_status'] != 'ABORTED':
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# Handle events ignoring aborted builds. These builds are
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# discarded by zuul.
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log_lines = self._retrieve_log(fields)
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for line in log_lines:
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out_event = {}
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out_event["@fields"] = fields
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out_event["@message"] = line
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self.logq.put(out_event)
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def _parse_fields(self, event):
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fields = {}
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fields["build_name"] = event.get("name", "UNKNOWN")
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fields["build_status"] = event["build"].get("status", "UNKNOWN")
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fields["build_number"] = event["build"].get("number", "UNKNOWN")
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parameters = event["build"].get("parameters", {})
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fields["build_queue"] = parameters.get("ZUUL_PIPELINE", "UNKNOWN")
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if fields["build_queue"] in ["check", "gate"]:
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fields["build_change"] = parameters.get("ZUUL_CHANGE", "UNKNOWN")
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fields["build_patchset"] = parameters.get("ZUUL_PATCHSET",
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"UNKNOWN")
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elif fields["build_queue"] in ["post", "pre-release", "release"]:
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fields["build_shortref"] = parameters.get("ZUUL_SHORT_NEWREV",
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"UNKNOWN")
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return fields
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def _retrieve_log(self, fields):
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# TODO (clarkb): This should check the content type instead of file
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# extension for determining if gzip was used.
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log_dir = self.log_dirs.get(fields["build_queue"], "").format(**fields)
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gzipped = False
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raw_buf = b''
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try:
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gzipped, raw_buf = self._get_log_data(self.log_address, log_dir,
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self.filename)
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except:
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# Silently drop fatal errors when retrieving logs.
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# TODO (clarkb): Handle these errors.
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# Perhaps simply add a log message to raw_buf?
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pass
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if gzipped:
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buf = gzip.decompress(raw_buf).decode('utf-8')
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else:
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buf = raw_buf.decode('utf-8')
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return buf.splitlines()
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def _get_log_data(self, log_address, log_dir, filename):
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gzipped = False
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source_url = log_address + log_dir + filename
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try:
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r = urllib.request.urlopen(source_url)
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except urllib.error.URLError:
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try:
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r = urllib.request.urlopen(source_url + ".gz")
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gzipped = True
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except:
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raise
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except:
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raise
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raw_buf = r.read()
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# Hack to read all of Jenkins console logs as they upload
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# asynchronously. Make one attempt per second for up to 60 seconds to
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# retrieve the entire file. Short circuit when the end of file string
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# for console logs, '\n</pre>\n', is read.
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if (self.retry and not gzipped and
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raw_buf[-8:].decode('utf-8') != '\n</pre>\n'):
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content_len = len(raw_buf)
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for i in range(60):
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# Try for up to 60 seconds to retrieve the complete log file.
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try:
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req = urllib.request.Request(source_url)
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req.add_header('bytes', str(content_len) + '-')
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r = urllib.request.urlopen(req)
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raw_buf += r.read()
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content_len = len(raw_buf)
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finally:
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if raw_buf[-8:].decode('utf-8') == '\n</pre>\n':
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break
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time.sleep(1)
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return gzipped, raw_buf
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class LogProcessor(object):
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def __init__(self, logq, pretty_print=False):
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self.logq = logq
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self.pretty_print = pretty_print
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def handle_log_event(self):
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log = self.logq.get()
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if self.pretty_print:
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print(json.dumps(log, sort_keys=True,
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indent=4, separators=(',', ': ')))
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else:
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print(json.dumps(log))
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("-z", "--zmqaddress", required=True,
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help="Address to use as source for zmq events.")
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parser.add_argument("-l", "--logaddress", required=True,
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help="Http(s) address to use as source for log files.")
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parser.add_argument("-f", "--filename", required=True,
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help="Name of log file to retrieve from log server.")
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parser.add_argument("-p", "--pretty", action="store_true",
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help="Print pretty json.")
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parser.add_argument("-r", "--retry", action="store_true",
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help="Retry until full console log is retrieved.")
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args = parser.parse_args()
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eventqueue = queue.Queue()
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logqueue = queue.Queue()
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catcher = EventCatcher(eventqueue, args.zmqaddress)
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retriever = LogRetriever(eventqueue, logqueue, args.logaddress,
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args.filename, retry=args.retry)
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processor = LogProcessor(logqueue, pretty_print=args.pretty)
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catcher.daemon = True
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catcher.start()
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retriever.daemon = True
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retriever.start()
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while True:
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processor.handle_log_event()
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if __name__ == '__main__':
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main()
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@ -8,8 +8,11 @@ class openstack_project::jenkins (
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$ssl_chain_file_contents = '',
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$sysadmins = []
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) {
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$iptables_rule = '-m state --state NEW -m tcp -p tcp --dport 8888 -s logstash.openstack.org -j ACCEPT'
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class { 'openstack_project::server':
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iptables_public_tcp_ports => [80, 443],
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iptables_rules6 => $iptables_rule,
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iptables_rules4 => $iptables_rule,
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sysadmins => $sysadmins,
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}
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@ -31,4 +31,17 @@ class openstack_project::logstash (
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include logstash::redis
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include logstash::elasticsearch
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include logstash::web
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package { 'python3':
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ensure => 'present',
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}
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file { '/usr/local/bin/log-pusher.py':
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ensure => present,
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owner => 'root',
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group => 'root',
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mode => '0755',
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source => 'puppet://modules/openstack_project/logstash/log-pusher.py',
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require => Package['python3'],
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}
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}
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@ -1,7 +1,9 @@
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input {
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syslog {
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type => syslog
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port => 5514
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pipe {
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command => "python3 /usr/local/bin/log-pusher.py -r -z tcp://jenkins.openstack.org:8888 -l http://logs.openstack.org -f console.html"
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format => "json"
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tags => ["jenkins", "console"]
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type => "jenkins_console"
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}
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}
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