![]() If you change this value, then it must also be set with the same value on the Kubernetes Controller Manager ( kube-controller). By default, the service cluster IP range is 10.43.0.0/16. Service Cluster IP Range ( service_cluster_ip_range) - This is the virtual IP address that will be assigned to services created on Kubernetes.RKE supports the following options for the kube-api service : 0.0/ 16 # Expose a different port range for NodePort services service_node_port_range: 30000- 32767 pod_security_policy: false # Enable AlwaysPullImages Admission controller plugin # Available as of v0.2.0 always_pull_images: false secrets_encryption_config: enabled: true Kubernetes API Server Options ![]() Services: kube-api: # IP range for any services created on Kubernetes # This must match the service_cluster_ip_range in kube-controller service_cluster_ip_range: 10.43. The Kubernetes API REST service, which handles requests and data for all Kubernetes objects and provide shared state for all the other Kubernetes components. This only applies to Rancher v2.0.5 and v2.0.6. Note for Rancher 2 users If you are configuring Cluster Options using a Config File when creating Rancher Launched Kubernetes, the names of services should contain underscores only: kube_api. These snapshots can be used to restore etcd.īy default, RKE will deploy a new etcd service, but you can also run Kubernetes with an external etcd service. You can enable etcd to take recurring snapshots. It also supports adding and removing etcd nodes to the cluster. RKE supports running etcd in a single node mode or in HA cluster mode. Etcd is a reliable, consistent and distributed key-value store. ![]() Kubernetes uses etcd as a store for cluster state and data. To configure advanced options for Kubernetes services such as kubelet, kube-controller, and kube-apiserver that are not documented below, see the extra_args documentation for more details. Note: All services support additional custom arguments, Docker mount binds, and extra environment variables. Based on the roles of the node, the containers deployed may be different. To deploy Kubernetes, RKE deploys several core components or services in Docker containers on the nodes.
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