[openstack-dev] [gnocchi][ceilometer] gnocchi-metricd error using redis as coordination

Yaguang Tang heut2008 at gmail.com
Tue Aug 8 02:36:32 UTC 2017


Thanks Along, finally I figure out that this is a bug  and fixed by this
commit

commit e749b60f49a4a3b48cc5da67a797f717dd8cd01d
Author: Julien Danjou <julien at danjou.info>
Date:   Tue Jun 20 16:36:14 2017 +0200

    utils: use ASCII bytes as member id

    Tooz actually wants ASCII bytes and not random bytes.

    Fixes #130

diff --git a/gnocchi/utils.py b/gnocchi/utils.py
index f81d93e..7666711 100644
--- a/gnocchi/utils.py
+++ b/gnocchi/utils.py
@@ -90,7 +90,7 @@ def _enable_coordination(coord):


 def get_coordinator_and_start(url):
-    my_id = uuid.uuid4().bytes
+    my_id = str(uuid.uuid4()).encode()
     coord = coordination.get_coordinator(url, my_id)
     _enable_coordination(coord)
     return coord, my_id


On Mon, Aug 7, 2017 at 10:10 PM, Along Meng <alongmeng at gmail.com> wrote:

> From the log info,It shows that your 'node' maybe is not the valid str.
> You can show the node name via 'print node' and try to call str(node).encode('utf-8')
> , identify does it can goes well.
>
> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     key =
> str(node).encode('utf-8')
> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xde in position 4:
> ordinal not in range(128)
> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
>
>
>
> On Sat, Aug 5, 2017 at 7:16 PM, Yaguang Tang <heut2008 at gmail.com> wrote:
>
>> Hi gnocchi devs,
>>
>> I have an issue when using gnocchi 4.0, the storage backend is ceph, and
>> tooz coordination is redis. currently  gnocchi api in apache wsgi mode,
>> only one controller node running gnocchi-metricd & gnocchi-statsd daemon.
>> the error log of gnocchi-metricd is as follow.
>>
>>
>>
>> 2017-08-05 18:14:18.643 1329257 INFO gnocchi.storage.common.ceph [-] Ceph
>> storage backend use 'cradox' python library
>> 2017-08-05 18:14:18.654 1329257 INFO gnocchi.storage.common.ceph [-] Ceph
>> storage backend use 'cradox' python library
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils [-] Unhandled
>> exception
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils Traceback (most
>> recent call last):
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/cotyledon/_utils.py", line 84, in
>> exit_on_exception
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     yield
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/cotyledon/_service.py", line 139, in
>> _run
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     self.run()
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/gnocchi/cli.py", line 120, in run
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
>> self._configure()
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tenacity/__init__.py", line 87, in
>> wrapped_f
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     return
>> r.call(f, *args, **kw)
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tenacity/__init__.py", line 177, in
>> call
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     return
>> fut.result()
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/concurrent/futures/_base.py", line
>> 396, in result
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     return
>> self.__get_result()
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tenacity/__init__.py", line 159, in
>> call
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     result =
>> fn(*args, **kwargs)
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/gnocchi/cli.py", line 193, in
>> _configure
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     self.GROUP_ID,
>> partitions=200)
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tooz/coordination.py", line 284, in
>> join_partitioned_group
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     return
>> partitioner.Partitioner(self, group_id)
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tooz/partitioner.py", line 45, in
>> __init__
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
>> partitions=self.partitions)
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tooz/hashring.py", line 47, in __init__
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
>> self.add_nodes(set(nodes))
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils   File
>> "/usr/lib/python2.7/site-packages/tooz/hashring.py", line 71, in
>> add_nodes
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils     key =
>> str(node).encode('utf-8')
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
>> UnicodeDecodeError: 'ascii' codec can't decode byte 0xde in position 4:
>> ordinal not in range(128)
>> 2017-08-05 18:14:19.100 1329257 ERROR cotyledon._utils
>>
>> Is this a config issue or bug ? any tips or help is much appreciated :-)
>>
>>
>> --
>> Tang Yaguang
>>
>>
>>
>>
>> ____________________________________________________________
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>>
>


-- 
Tang Yaguang
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