Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/credentials github.com/aws/aws-sdk-go/aws/credentials/stscreds github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/aws/signer/v4 github.com/prometheus/common/config Standard library imports bytes fmt io io/ioutil net/http net/textproto sync time