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Merge pull request #19 from DataDog/swf/submit-invocations-errors
Submit metrics for invocations and errors
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Original file line number | Diff line number | Diff line change |
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_cold_start = True | ||
_lambda_container_initialized = False | ||
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def set_cold_start(): | ||
"""Set the value of the cold start global | ||
This should be executed once per Lambda execution before the execution | ||
""" | ||
global _cold_start | ||
global _lambda_container_initialized | ||
_cold_start = not _lambda_container_initialized | ||
_lambda_container_initialized = True | ||
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def is_cold_start(): | ||
"""Returns the value of the global cold_start | ||
""" | ||
return _cold_start | ||
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def get_cold_start_tag(): | ||
"""Returns the cold start tag to be used in metrics | ||
""" | ||
return "cold_start:{}".format(str(is_cold_start()).lower()) |
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Original file line number | Diff line number | Diff line change |
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def parse_lambda_tags_from_arn(arn): | ||
"""Generate the list of lambda tags based on the data in the arn | ||
Args: | ||
arn (str): Lambda ARN. | ||
ex: arn:aws:lambda:us-east-1:123597598159:function:my-lambda[:optional-version] | ||
""" | ||
# Cap the number of times to split | ||
split_arn = arn.split(":") | ||
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# If ARN includes version / alias at the end, drop it | ||
if len(split_arn) > 7: | ||
split_arn = split_arn[:7] | ||
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_, _, _, region, account_id, _, function_name = split_arn | ||
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return [ | ||
"region:{}".format(region), | ||
"account_id:{}".format(account_id), | ||
"functionname:{}".format(function_name), | ||
] |
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Original file line number | Diff line number | Diff line change |
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import unittest | ||
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from datadog_lambda.tags import parse_lambda_tags_from_arn | ||
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class TestMetricTags(unittest.TestCase): | ||
def test_parse_lambda_tags_from_arn(self): | ||
self.assertListEqual( | ||
parse_lambda_tags_from_arn( | ||
"arn:aws:lambda:us-east-1:1234597598159:function:swf-hello-test" | ||
), | ||
[ | ||
"region:us-east-1", | ||
"account_id:1234597598159", | ||
"functionname:swf-hello-test", | ||
], | ||
) | ||
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self.assertListEqual( | ||
parse_lambda_tags_from_arn( | ||
"arn:aws:lambda:us-west-1:1234597598159:function:other-function:function-alias" | ||
), | ||
[ | ||
"region:us-west-1", | ||
"account_id:1234597598159", | ||
"functionname:other-function", | ||
], | ||
) | ||
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