Merge "Retry on EAI_AGAIN name resolution failures"
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commit
701fc86f81
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@ -24,6 +24,7 @@ import os.path
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import re
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import signal
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import threading
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import time
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import yaml
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import zmq
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@ -164,10 +165,25 @@ class Server(object):
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self.processors.append(log_processor)
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self.processors.append(subunit_processor)
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def wait_for_name_resolution(self, host, port):
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while True:
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try:
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socket.getaddrinfo(host, port)
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except socket.gaierror as e:
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if e.errno == socket.EAI_AGAIN:
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logging.debug("Temporary failure in name resolution")
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time.sleep(2)
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continue
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else:
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raise
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break
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def main(self):
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statsd_host = os.environ.get('STATSD_HOST')
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statsd_port = int(os.environ.get('STATSD_PORT', 8125))
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statsd_prefix = os.environ.get('STATSD_PREFIX', 'logstash.geard')
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if statsd_host:
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self.wait_for_name_resolution(statsd_host, statsd_port)
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self.gearserver = gear.Server(
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statsd_host=statsd_host,
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statsd_port=statsd_port,
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@ -359,9 +359,23 @@ class Server(object):
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logging.basicConfig(level=logging.CRITICAL)
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logging.debug("Log pusher starting.")
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def wait_for_name_resolution(self, host, port):
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while True:
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try:
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socket.getaddrinfo(host, port)
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except socket.gaierror as e:
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if e.errno == socket.EAI_AGAIN:
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logging.debug("Temporary failure in name resolution")
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time.sleep(2)
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continue
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else:
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raise
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break
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def setup_retriever(self):
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hostname = socket.gethostname()
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gearman_worker = gear.Worker(hostname + b'-pusher')
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self.wait_for_name_resolution(self.gearman_host, self.gearman_port)
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gearman_worker.addServer(self.gearman_host,
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self.gearman_port)
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gearman_worker.registerFunction(b'push-log')
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