Hi Folks,
I created a new pollster plugin for ceilometer by:
- adding a new item under enterypoint/ceilometer.poll.central in setup.cfg
file
- adding the implementation code inheriting "plugin.CentralPollster"
- adding a new source to pipeline.yaml as bellows:
---------------------------------------
- name: service_source
interval: 600
meters:
- "service.stat"
sinks:
- meter_sink
---------------------------------------
But the new meter doesn't show up in the output of "ceilometer meter-list".
See the log of ceilometer-agent-central, it might be caused by not correct
signature during dispactching:
--------------------------
2014-08-18 03:07:13.170 16528 DEBUG ceilometer.dispatcher.database [-] metering
data service.stat for 7398ae3f-c866-4484-b975-19d121acb2b1 @
2014-08-18T03:07:13.137888: 0 record_metering_data
/opt/stack/ceilometer/ceilometer/dispatcher/database.py:55
2014-08-18 03:07:13.171 16528 WARNING ceilometer.dispatcher.database [-]
message signature invalid, discarding message: {u'counter_name': ...
---------------------------
Seen from the source code
(ceilometer/dispatcher/database.py:record_metering_data()), it fails when
verify_signature. So I added a new item to ceilometer.conf:
-------------------------
[publisher_rpc]
metering_secret = 11110000111100001111
-------------------------
And then the above warning log(message signature invalid) disappears, but the
it seems that record_metering_data() is NOT invoked at all, because there is no
the above debug log either.
And then I remove the metering_secret from ceilometer.conf,
record_metering_data() is still not be invoked.
My questions are:
- For the issue of message signature invalid during invoking
recording_metering_data(), is it a correct solution to add "metering_secret"
items to ceilometer.conf?
- Are there anything wrong after adding meter_secret, so that
record_metering_data() could not be invoked?
- What else config/source file should I need to modify if I want my
new meter shown up in "ceilometer meter-list" output?
- Any other suggestions/comments?
Thanks in advance!
-Gary
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