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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
The handler listens an endpoint or queues, not sure if such tool exists but you can generate input. https://github.com/aws/aws-node-termination-handler
https://github.com/aws/amazon-ec2-metadata-mock#spot-interruption may do what you want.
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