infrastructure/base/modules/aws/eks/thumbprint.sh from Vizzuality/landgriffon

infrastructure/base/modules/aws/eks/thumbprint.sh

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#!/bin/bash

THUMBPRINT=$(echo | openssl s_client -servername oidc.eks.${1}.amazonaws.com -showcerts -connect oidc.eks.${1}.amazonaws.com:443 2>&- | tac | sed -n '/-----END CERTIFICATE-----/,/-----BEGIN CERTIFICATE-----/p; /-----BEGIN CERTIFICATE-----/q' | tac | openssl x509 -fingerprint -noout | sed 's/://g' | awk -F= '{print tolower($2)}')
THUMBPRINT_JSON="{\"thumbprint\": \"${THUMBPRINT}\"}"
echo $THUMBPRINT_JSON