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Improve DataDog metric shipping, this way filtering/grouping is much … #556

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41 changes: 25 additions & 16 deletions awslimitchecker/metrics/datadog.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -105,22 +105,24 @@ def _validate_auth(self, api_key):
)
)

def _name_for_metric(self, service, limit):
def _tag_for_metric(self, *argv):
"""
Return a metric name that's safe for datadog
Return a metric tag that's safe for datadog

:param service: service name
:type service: str
:param limit: limit name
:type limit: str
:return: datadog metric name
:param argv: service group name, service name
:type argv: list
:return: datadog service tag
:rtype: str
"""
return ('%s%s.%s' % (
self._prefix,
re.sub(r'[^0-9a-zA-Z]+', '_', service),
re.sub(r'[^0-9a-zA-Z]+', '_', limit)

tag = ('%s' % (
re.sub(r'[^0-9a-zA-Z]+', '_', argv[0])
)).lower()
for S in argv[1:]:
tag = tag + ('.%s' % (
re.sub(r'[^0-9a-zA-Z]+', '_', S)
)).lower()
return tag

def flush(self):
ts = int(time.time())
Expand All @@ -137,20 +139,27 @@ def flush(self):
max_usage = 0
else:
max_usage = max(u).get_value()
mname = self._name_for_metric(lim.service.service_name, lim.name)
svc_tag = self._tag_for_metric(lim.service.service_name)
sub_svc_tag = self._tag_for_metric(
lim.service.service_name, lim.name
)
local_tags = self._tags.copy()
local_tags.append('service:' + sub_svc_tag)
local_tags.append('service_group:' + svc_tag)
local_tags.append(svc_tag)
series.append({
'metric': '%s.max_usage' % mname,
'metric': '%susage' % self._prefix,
'points': [[ts, max_usage]],
'type': 'gauge',
'tags': self._tags
'tags': local_tags
})
limit = lim.get_limit()
if limit is not None:
series.append({
'metric': '%s.limit' % mname,
'metric': '%slimit' % self._prefix,
'points': [[ts, limit]],
'type': 'gauge',
'tags': self._tags
'tags': local_tags
})
logger.info('POSTing %d metrics to datadog', len(series))
data = {'series': series}
Expand Down
56 changes: 40 additions & 16 deletions awslimitchecker/tests/metrics/test_datadog.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -219,13 +219,13 @@ def test_failure(self):
]


class TestNameForMetric(DatadogTester):
class TestTagForMetric(DatadogTester):

def test_simple(self):
self.cls._prefix = 'foobar.'
assert self.cls._name_for_metric(
'Service Name*', 'limit NAME .'
) == 'foobar.service_name_.limit_name_'
assert self.cls._tag_for_metric(
'Service Group Name*', 'service NAME .'
) == 'service_group_name_.service_name_'


class TestFlush(DatadogTester):
Expand Down Expand Up @@ -268,22 +268,34 @@ def test_happy_path(self):
'tags': ['tag1', 'tag:2']
},
{
'metric': 'prefix.svc1.limita.max_usage',
'metric': 'prefix.usage',
'points': [[ts, 0]],
'type': 'gauge',
'tags': ['tag1', 'tag:2']
'tags': ['tag1', 'tag:2',
'service:svc1.limita',
'service_group:svc1',
'svc1'
]
},
{
'metric': 'prefix.svc1.limitb.max_usage',
'metric': 'prefix.usage',
'points': [[ts, 6]],
'type': 'gauge',
'tags': ['tag1', 'tag:2']
'tags': ['tag1', 'tag:2',
'service:svc1.limitb',
'service_group:svc1',
'svc1'
]
},
{
'metric': 'prefix.svc1.limitb.limit',
'metric': 'prefix.limit',
'points': [[ts, 10]],
'type': 'gauge',
'tags': ['tag1', 'tag:2']
'tags': ['tag1', 'tag:2',
'service:svc1.limitb',
'service_group:svc1',
'svc1'
]
}
]
}
Expand Down Expand Up @@ -339,22 +351,34 @@ def test_api_error_non_default_host(self):
'tags': ['tag1', 'tag:2']
},
{
'metric': 'prefix.svc1.limita.max_usage',
'metric': 'prefix.usage',
'points': [[ts, 0]],
'type': 'gauge',
'tags': ['tag1', 'tag:2']
'tags': ['tag1', 'tag:2',
'service:svc1.limita',
'service_group:svc1',
'svc1'
]
},
{
'metric': 'prefix.svc1.limitb.max_usage',
'metric': 'prefix.usage',
'points': [[ts, 6]],
'type': 'gauge',
'tags': ['tag1', 'tag:2']
'tags': ['tag1', 'tag:2',
'service:svc1.limitb',
'service_group:svc1',
'svc1'
]
},
{
'metric': 'prefix.svc1.limitb.limit',
'metric': 'prefix.limit',
'points': [[ts, 10]],
'type': 'gauge',
'tags': ['tag1', 'tag:2']
'tags': ['tag1', 'tag:2',
'service:svc1.limitb',
'service_group:svc1',
'svc1'
]
}
]
}
Expand Down