Fixed the default log level always info issue #8
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I think zap and opentelemetry-lambda intended to use
info
as defaultzap.ParseAtomicLevel("")
will returninfo
. Which means without defining environment variableOPENTELEMETRY_EXTENSION_LOG_LEVEL
, the level is still overwritten no matter what is set in the default atomic level.Now we check the existence of the variable and parse it when necessary.