This section outlines new features implemented in the Cluster release 11.5.0 that is introduced in the Container Cloud release 2.21.0.
MKE and MCR patch release update¶
Updated the Mirantis Kubernetes Engine (MKE) version from 3.5.4 to 3.5.5 and the Mirantis Container Runtime (MCR) version from 20.10.12 to 20.10.13 for the Container Cloud management, regional, and managed clusters on all supported cloud providers, as well as for non Container Cloud based MKE cluster attachment.
MetalLB minor version update¶
Updated the MetalLB version from 0.12.1 to 0.13.4 for the Container Cloud management, regional, and managed clusters of all cloud providers that use MetalLB: bare metal, Equinix Metal with public and private networking, vSphere.
The MetalLB configuration is now stored in dedicated
instead of the
Enhanced etcd monitoring¶
Improved etcd monitoring by implementing the Etcd dashboard and
etcdDbSizeMajor alerts that inform about the
size of the etcd database.
Reference Application for workload monitoring¶
Implemented Reference Application that is a small microservice application that enables workload monitoring on non-MOSK managed clusters. It mimics a classical microservice application and provides metrics that describe the likely behavior of user workloads.
Reference Application contains a set of alerts and a separate Grafana dashboard to provide check statuses of Reference Application and statistics such as response time and content length.
The feature is disabled by default and can be enabled using the StackLight configuration manifest.
Ceph secrets specification in the Ceph cluster status¶
miraCephSecretsInfo specification to
This specification contains current state and details of secrets that are used
in the Ceph cluster, such as keyrings, Ceph clients, RADOS Gateway user
credentials, and so on.
miraCephSecretsInfo, you can create, access, and remove Ceph RADOS
Block Device (RBD) or Ceph File System (CephFS) clients and RADOS Gateway
Amazon S3 bucket policies for Ceph Object Storage users¶
Implemented the ability to create and configure Amazon S3 bucket policies between Ceph Object Storage users.