下面是一个示例 RKE 模板配置文件供参考。

    RKE 模板中的 YAML 使用与创建 RKE 集群时相同的自定义项。但是，由于 YAML 是在 Rancher 创建的 RKE 集群的上下文中使用，因此来自 RKE 文档的设置需要嵌套在rancher_kubernetes_engine_config指令下。

    1. ##
    2. ## Cluster Config
    3. ##
    4. docker_root_dir: /var/lib/docker
    6. enable_cluster_alerting: false
    7. ## This setting is not enforced. Clusters
    8. ## created with this sample template
    9. ## would have alerting turned off by default,
    10. ## but end users could still turn alerting
    11. ## on or off.
    13. enable_cluster_monitoring: true
    14. ## This setting is not enforced. Clusters
    15. ## created with this sample template
    16. ## would have monitoring turned on
    17. ## by default, but end users could still
    18. ## turn monitoring on or off.
    20. enable_network_policy: false
    21. local_cluster_auth_endpoint:
    22.   enabled: true
    23. ##
    24. ## Rancher Config
    25. ##
    26. rancher_kubernetes_engine_config: # Your RKE template config goes here.
    27.   addon_job_timeout: 30
    28.   authentication:
    29.     strategy: x509
    30.   ignore_docker_version: true
    31.   ##
    32.   ## # Currently only nginx ingress provider is supported.
    33.   ## # To disable ingress controller, set `provider: none`
    34.   ## # To enable ingress on specific nodes, use the node_selector, eg:
    35.   ##    provider: nginx
    36.   ##    node_selector:
    37.   ##      app: ingress
    38.   ##
    39.   ingress:
    40.     provider: nginx
    41.   kubernetes_version: v1.15.3-rancher3-1
    42.   monitoring:
    43.     provider: metrics-server
    44.   ##
    45.   ##   If you are using calico on AWS
    46.   ##
    47.   ##    network:
    48.   ##      plugin: calico
    49.   ##      calico_network_provider:
    50.   ##        cloud_provider: aws
    51.   ##
    52.   ## # To specify flannel interface
    53.   ##
    54.   ##    network:
    55.   ##      plugin: flannel
    56.   ##      flannel_network_provider:
    57.   ##      iface: eth1
    58.   ##
    59.   ## # To specify flannel interface for canal plugin
    60.   ##
    61.   ##    network:
    62.   ##      plugin: canal
    63.   ##      canal_network_provider:
    64.   ##        iface: eth1
    65.   ##
    66.   network:
    67.     options:
    68.       flannel_backend_type: vxlan
    69.     plugin: canal
    70.   ##
    71.   ##    services:
    72.   ##      kube-api:
    73.   ##        service_cluster_ip_range: 10.43.0.0/16
    74.   ##      kube-controller:
    75.   ##        cluster_cidr: 10.42.0.0/16
    76.   ##        service_cluster_ip_range: 10.43.0.0/16
    77.   ##      kubelet:
    78.   ##        cluster_domain: cluster.local
    79.   ##        cluster_dns_server: 10.43.0.10
    80.   ##
    81.   services:
    82.     etcd:
    83.       backup_config:
    84.         enabled: true
    85.         interval_hours: 12
    86.         retention: 6
    87.         safe_timestamp: false
    88.       creation: 12h
    89.       extra_args:
    90.         election-timeout: 5000
    91.         heartbeat-interval: 500
    92.       gid: 0
    93.       retention: 72h
    94.       snapshot: false
    95.       uid: 0
    96.     kube_api:
    97.       always_pull_images: false
    98.       pod_security_policy: false
    99.       service_node_port_range: 30000-32767
    100.   ssh_agent_auth: false
    101. windows_prefered_cluster: false