Hi,
I’m attempting to have Ceilometer publish by using the UDP publisher instead of
rpc/bus message.
Ceilometer is able to publish and send the samples from “host01", example:
===
Jun 2 20:45:39 host01 ceilometer.pipeline: Pipeline meter_sink: Transform
sample <ceilometer.sample.Sample object at 0x266c0d0> from 0 transformer
Jun 2 20:45:39 host01 ceilometer.pipeline: Pipeline meter_sink: Publishing
samples
Jun 2 20:45:39 host01 ceilometer.publisher.udp: Publishing sample
{'counter_name': 'storage.api.request', 'user_id':
u'9221e6423eed46ccb0b0e9ef180bc8b5', 'message_signature':
'eb0a35b7f9c79eccfd12a56a677d771901c2919ea775af62964ebb4f734f737c',
'timestamp': '2014-06-02T20:45:39.411582', 'resource_id':
'f9bfc7aaa39d46d48afa4b98463d5d1f', 'message_id':
'db28aeb4-ea96-11e3-9b8b-fa163e0d0627', 'source': 'openstack', 'counter_unit':
'request', 'counter_volume': 1, 'project_id':
u'f981d5a374154c3e8504fd9d8e80c724', 'resource_metadata': {'path':
'/v1/AUTH_f9bfc7aaa39d46d48afa4b98463d5d1f', 'version': 'v1', 'container':
None, 'method': 'head', 'object': None}, 'counter_type': 'delta'} over UDP to
ctrl01.cloud.example.org:4952
Jun 2 20:45:39 host01 ceilometer.pipeline: Pipeline meter_sink: Published
samples
===
I see the UDP packets leaving “host01” and coming into
“ctrl01.cloud.example.org”.
On the collector side (ctrl01.cloud.example.org), I have the following in my
ceilometer.conf:
===
udp_address=0.0.0.0
udp_port=4952
===
I can also tell by the logs that it appears to be loaded properly:
===
2014-06-02 20:53:30.938 27742 DEBUG ceilometer.openstack.common.service [-]
collector.udp_address = 0.0.0.0 log_opt_values
/usr/lib/python2.7/dist-packages/oslo/config/cfg.py:1949
2014-06-02 20:53:30.939 27742 DEBUG ceilometer.openstack.common.service [-]
collector.udp_port = 4952 log_opt_values
/usr/lib/python2.7/dist-packages/oslo/config/cfg.py:1949
===
However, the samples are not entered in the database (mongodb backend). Over
RPC it works fine but I am trying to move away from it.
Looking at listening ports on the controller node, I can’t see anything
listening on UDP 4952.
A simple netcat from host01 to ctrl01 shows that there is nothing hindering the
communication over that port.
There doesn’t seem to be any errors in the logs, either on the client or on the
collector side.
I’ve tried various combination of configuration but to no avail. My attempts at
finding proper documentation on the UDP publishing have also failed me.
I would appreciate any insight you guys may have on this,
Thanks,
--
David Moreau Simard
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