Do not log from bootstrap script unless DD_LOG_LEVEL is DEBUG (#44)

Author: nhinsch

scripts/boot.sh

@@ -2,9 +2,17 @@
 args=("$@")
 if [ "$DD_EXPERIMENTAL_ENABLE_PROXY" == "true" ]
 then
-  echo "[bootstrap] DD_EXPERIMENTAL_ENABLE_PROXY is true"
-  echo "[bootstrap] orignal AWS_LAMBDA_RUNTIME_API $AWS_LAMBDA_RUNTIME_API"
+  if [ grep -ix "$DD_LOG_LEVEL" <<< "debug" ]
+  then
+    echo "[bootstrap] DD_EXPERIMENTAL_ENABLE_PROXY is true"
+    echo "[bootstrap] original AWS_LAMBDA_RUNTIME_API value is $AWS_LAMBDA_RUNTIME_API"
+  fi
+
   export AWS_LAMBDA_RUNTIME_API="127.0.0.1:9000"
-  echo "[bootstrap] rerouting to $AWS_LAMBDA_RUNTIME_API"
+
+  if [ grep -ix "$DD_LOG_LEVEL" <<< "debug" ]
+  then
+    echo "[bootstrap] rerouting AWS_LAMBDA_RUNTIME_API to $AWS_LAMBDA_RUNTIME_API"
+  fi
 fi
 exec "${args[@]}"