my $kube = Net::Kubernetes->new( 
  url   => 'https://myK8Scluster:8443',
  username => 'kubernetes-admin',
  ssl_ca_file => '/src/ssl_ca_file.txt', 
  ssl_cert_file => '/src/ssl_cert_file.txt',
  ssl_key_file => '/src/ssl_key_file.txt'
);