Merge pull request kubernetes#79626 from wenjiaswe/remove-etcd-ca-key

Remove unnecessary ETCD_CA_KEY check

Author: k8s-ci-robot

cluster/gce/gci/configure-helper.sh

@@ -1389,7 +1389,7 @@ function prepare-etcd-manifest {
   if [[ -n "${INITIAL_ETCD_CLUSTER_STATE:-}" ]]; then
     cluster_state="${INITIAL_ETCD_CLUSTER_STATE}"
   fi
-  if [[ -n "${ETCD_CA_KEY:-}" && -n "${ETCD_CA_CERT:-}" && -n "${ETCD_PEER_KEY:-}" && -n "${ETCD_PEER_CERT:-}" ]]; then
+  if [[ -n "${ETCD_CA_CERT:-}" && -n "${ETCD_PEER_KEY:-}" && -n "${ETCD_PEER_CERT:-}" ]]; then
     etcd_creds=" --peer-trusted-ca-file /etc/srv/kubernetes/etcd-ca.crt --peer-cert-file /etc/srv/kubernetes/etcd-peer.crt --peer-key-file /etc/srv/kubernetes/etcd-peer.key -peer-client-cert-auth "
     etcd_protocol="https"
   fi