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Version: v2.6

RKE1 Example YAML

Below is an example RKE template configuration file for reference.

The YAML in the RKE template uses the same customization that is used when you create an RKE cluster. However, since the YAML is within the context of a Rancher provisioned RKE cluster, the customization from the RKE docs needs to be nested under the rancher_kubernetes_engine directive.

#
# Cluster Config
#
docker_root_dir: /var/lib/docker

enable_cluster_alerting: false
# This setting is not enforced. Clusters
# created with this sample template
# would have alerting turned off by default,
# but end users could still turn alerting
# on or off.

enable_cluster_monitoring: true
# This setting is not enforced. Clusters
# created with this sample template
# would have monitoring turned on
# by default, but end users could still
# turn monitoring on or off.

enable_network_policy: false
local_cluster_auth_endpoint:
enabled: true
#
# Rancher Config
#
rancher_kubernetes_engine_config: # Your RKE template config goes here.
addon_job_timeout: 30
authentication:
strategy: x509
ignore_docker_version: true
#
# # Currently only nginx ingress provider is supported.
# # To disable ingress controller, set `provider: none`
# # To enable ingress on specific nodes, use the node_selector, eg:
# provider: nginx
# node_selector:
# app: ingress
#
ingress:
provider: nginx
kubernetes_version: v1.15.3-rancher3-1
monitoring:
provider: metrics-server
#
# If you are using calico on AWS
#
# network:
# plugin: calico
# calico_network_provider:
# cloud_provider: aws
#
# # To specify flannel interface
#
# network:
# plugin: flannel
# flannel_network_provider:
# iface: eth1
#
# # To specify flannel interface for canal plugin
#
# network:
# plugin: canal
# canal_network_provider:
# iface: eth1
#
network:
options:
flannel_backend_type: vxlan
plugin: canal
#
# services:
# kube-api:
# service_cluster_ip_range: 10.43.0.0/16
# kube-controller:
# cluster_cidr: 10.42.0.0/16
# service_cluster_ip_range: 10.43.0.0/16
# kubelet:
# cluster_domain: cluster.local
# cluster_dns_server: 10.43.0.10
#
services:
etcd:
backup_config:
enabled: true
interval_hours: 12
retention: 6
safe_timestamp: false
creation: 12h
extra_args:
election-timeout: 5000
heartbeat-interval: 500
gid: 0
retention: 72h
snapshot: false
uid: 0
kube_api:
always_pull_images: false
pod_security_policy: false
service_node_port_range: 30000-32767
ssh_agent_auth: false
windows_prefered_cluster: false