openstack/ceilometer
Code Issues Proposed changes

Merge "Fixed ceilometer arithmetic transformer bug"

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Jenkins 2017-07-27 06:13:19 +00:00 committed by Gerrit Code Review
commit 12091d1f8e
1 changed files with 8 additions and 5 deletions
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13
ceilometer/transformer/arithmetic.py
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@ -14,6 +14,7 @@
# under the License.
import collections
import copy
import keyword
import math
import re
@ -101,14 +102,16 @@ class ArithmeticTransformer(transformer.TransformerBase):
def flush(self):
new_samples = []
cache_clean_list = []
if not self.misconfigured:
for resource_id in self.cache:
# When loop self.cache, the dict could not be change by others.
# If changed, will raise "RuntimeError: dictionary changed size
# during iteration". so we make a tmp copy and just loop it.
tmp_cache = copy.copy(self.cache)
for resource_id in tmp_cache:
if self._check_requirements(resource_id):
new_samples.append(self._calculate(resource_id))
cache_clean_list.append(resource_id)
for res_id in cache_clean_list:
self.cache.pop(res_id)
if resource_id in self.cache:
self.cache.pop(resource_id)
return new_samples
@classmethod