c12s-kubespray/roles/kubernetes/node/defaults/main.yml
Sergii Golovatiuk c0d2cca45d Kubernetes Reliability Improvements
- Exclude kubelet CPU/RAM (kube-reserved) from cgroup. It decreases a
  chance of overcommitment
- Add a possibility to modify Kubelet node-status-update-frequency
- Add a posibility to configure node-monitor-grace-period,
  node-monitor-period, pod-eviction-timeout for Kubernetes controller
  manager
- Add Kubernetes Relaibility Documentation with recomendations for
  various scenarios.

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2017-02-09 23:54:08 +01:00

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YAML

# change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
kube_apiserver_insecure_bind_address: 127.0.0.1
# resolv.conf to base dns config
kube_resolv_conf: "/etc/resolv.conf"
kube_proxy_mode: iptables
# If using the pure iptables proxy, SNAT everything
kube_proxy_masquerade_all: true
# Limits for kube components and nginx load balancer app
kubelet_memory_limit: 512M
kubelet_cpu_limit: 100m
kubelet_status_update_frequency: 10s
kube_proxy_memory_limit: 2000M
kube_proxy_cpu_limit: 500m
kube_proxy_memory_requests: 256M
kube_proxy_cpu_requests: 150m
nginx_memory_limit: 512M
nginx_cpu_limit: 300m
nginx_memory_requests: 64M
nginx_cpu_requests: 50m
# kube_api_runtime_config:
# - extensions/v1beta1/daemonsets=true
# - extensions/v1beta1/deployments=true
nginx_image_repo: nginx
nginx_image_tag: 1.11.4-alpine
etcd_config_dir: /etc/ssl/etcd
# A port range to reserve for services with NodePort visibility.
# Inclusive at both ends of the range.
kube_apiserver_node_port_range: "30000-32767"