class Kubeclient::AmazonEksCredentials
Get a bearer token to authenticate against aws eks.
Public Class Methods
token(credentials, eks_cluster)
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# File lib/kubeclient/aws_eks_credentials.rb, line 10 def token(credentials, eks_cluster) begin require 'aws-sigv4' require 'base64' require 'cgi' rescue LoadError => e raise AmazonEksDependencyError, 'Error requiring aws gems. Kubeclient itself does not include the following ' \ 'gems: [aws-sigv4]. To support auth-provider eks, you must ' \ "include it in your calling application. Failed with: #{e.message}" end # https://github.com/aws/aws-sdk-ruby/pull/1848 # Get a signer # Note - sts only has ONE endpoint (not regional) so 'us-east-1' hardcoding should be OK signer = Aws::Sigv4::Signer.new( service: 'sts', region: 'us-east-1', credentials: credentials ) # https://docs.aws.amazon.com/sdk-for-ruby/v3/api/Aws/Sigv4/Signer.html#presign_url-instance_method presigned_url_string = signer.presign_url( http_method: 'GET', url: 'https://sts.amazonaws.com/?Action=GetCallerIdentity&Version=2011-06-15', body: '', credentials: credentials, expires_in: 60, headers: { 'X-K8s-Aws-Id' => eks_cluster } ) kube_token = 'k8s-aws-v1.' + Base64.urlsafe_encode64(presigned_url_string.to_s).sub(/=*$/, '') # rubocop:disable Metrics/LineLength kube_token end