[amazonka-certificatemanager] 200 OK but serialization error

[AngeloChecked]

i done a simple script in order to summary my aws certificates:

cabal-version:      2.4
name:               myaws
version:            0.1.0.0

executable myaws
    main-is:          Main.hs
    build-depends:    base ^>=4.14.3.0, lens, amazonka, amazonka-certificatemanager
    hs-source-dirs:   app
    default-language: Haskell2010

module Main where

import Control.Lens
import Network.AWS
import Network.AWS.CertificateManager.ListCertificates
import Network.AWS.CertificateManager.DescribeCertificate
import System.IO
import Network.AWS.CertificateManager (csCertificateARN)
import Data.Maybe

main :: IO ()
main = do
    certs <- listCertificatesRequest
    let certificateSummaryList =    certs ^. lcrsCertificateSummaryList
    let certArns = catMaybes $ (^. csCertificateARN) <$> certificateSummaryList
    certDescriptions <- traverse describeCertificateRequest certArns
    let certs = (^. dcrsCertificate) <$> certDescriptions
    print certs

commonRequest request = do
    lgr  <- newLogger Debug stdout
    env  <- newEnv Discover
    runResourceT $ runAWS (env & envLogger .~ lgr) $
        within Ireland $
            send request

listCertificatesRequest :: IO ListCertificatesResponse
listCertificatesRequest  = do
    commonRequest listCertificates

describeCertificateRequest arn = do
    commonRequest $ describeCertificate arn

i receive this error:

[SerializeError] {
  service = CertificateManager
  status  = 200 OK
  message = Error in $.KeyAlgorithm: Failed reading: Failure parsing KeyAlgorithm from value: 'rsa-2048'. Accepted values: ec_prime256v1, ec_secp384r1, ec_secp521r1, rsa_1024, rsa_2048, rsa_4096
  body    = Just {"Certificate":{"CertificateArn":"arn:aws:acm:eu-west-1:3
....

In the log i can see the whole response of the service and it's correct with 200. But the program terminate with an error. I don't understand the problem. There a library problem or i done wrong something? i'm using ghcup, cabal 3.6.2 and ghc 8.10.7 (i'm a haskell noob)

[endgame]

Amazonka 1.6.1 has a very strict parser when it comes to enums, and will throw if it sees a value that it doesn't expect. This affects things like EC2 instance types, as well as AWS regions, etc. 1.6.1 is many years out of date and there will be no more releases in the 1.6 line.

Use the latest commit on main, following the instructions in the 2.0RC1 release announcement. 2.0 has much better sum type handling, in that it doesn't explode when presented with new enum value, and also the ACM bindings will be new enough to have a binding for that Key algorithm. I hope to tag 2.0RC2 soon, and get something up on Hackage some time after that.

[endgame]

P.S.: Since you said you were new, I thought I might offer some tips:

• I would try to do all of your AWS interactions inside a single runResourceT - this gives you better reuse of resources, and should you start working with streaming responses (e.g., from S3), prevents the connections from being closed before you consume the response body.
• If you don't like writing operator sections like (^. csCertificateARN) you can use the function view from lens ((^.) = flip view)
• Amazonka's conventions for autogenerated code have changed. While this is detailed in the changelog, you can also get an idea of how things look from the s3 example
• The authentication code has a new interface, but for most people the change is writing env <- newEnv discover with a lowercase D.

Feel free to reply here if you have further questions.