Addressed issues

Issues addressed in the MKE 3.6.11 release include:

• [MKE-10835] Fixed an issue wherein Gatekeeper Pods were frequently entering CrashLoopBackOff due to the absence of an expected CRD definition.

• [MKE-10640] Fixed an issue wherein a vulnerability in etcd library go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc allowed a memory exhaustion attack on the grpc server. The patch is applied on top of etcd version 3.5.10 and includes the fix for CVE-2023-47108. No other changes from etcd 3.5.10 are included.

• [FIELD-6835] Fixed an issue wherein ucp-cluster-agent continually restarted during upgrade to MKE 3.6.10.

• [FIELD-6695] Fixed multiple issues caused by large etcd instances:

  • The addition of a second manager sometimes caused etcd cluster failure when the etcd storage size was of substantial size.

  • Cold starting of MKE clusters would fail whenever the etcd storage size exceeded 2GB.

  • Simultaneous restarting of manager nodes would fail whenever the etcd storage size exceeded 2GB.

  • The etcd storage usage indicator in the MKE web UI banner was not accurate.

• [FIELD-6670] Fixed an issue wherein CNI plugin log level was not consistent with the MKE log level setting.

• [FIELD-6573] Fixed an issue wherein kubelet failed to rotate Pod containter logs.