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Added keepalive packets to accelerate mode

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Commands will now be started up in a separate task from the main
handler thread, so that it can be monitored for completeness while
sending a keepalive packet back to the controller to avoid a socket
receive timeout.
This commit is contained in:
James Cammarata 2013-10-01 15:19:21 -05:00
commit f9c87868ac
2 changed files with 97 additions and 49 deletions
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21
lib/ansible/runner/connection_plugins/accelerate.py
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@ -180,11 +180,22 @@ class Connection(object):
if self.send_data(data):
raise errors.AnsibleError("Failed to send command to %s" % self.host)
response = self.recv_data()
if not response:
raise errors.AnsibleError("Failed to get a response from %s" % self.host)
response = utils.decrypt(self.key, response)
response = utils.parse_json(response)
while True:
# we loop here while waiting for the response, because a
# long running command may cause us to receive keepalive packets
# ({"pong":"true"}) rather than the response we want.
response = self.recv_data()
if not response:
raise errors.AnsibleError("Failed to get a response from %s" % self.host)
response = utils.decrypt(self.key, response)
response = utils.parse_json(response)
if "pong" in response:
# it's a keepalive, go back to waiting
vvvv("received a keepalive packet")
continue
else:
vvvv("received the response")
break
return (response.get('rc',None), '', response.get('stdout',''), response.get('stderr',''))