c12s-kubespray/roles/kubernetes/master/defaults/main.yml
Sergii Golovatiuk c07d60bc90 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

# An experimental dev/test only dynamic volumes provisioner,
# for PetSets. Works for kube>=v1.3 only.
kube_hostpath_dynamic_provisioner: "false"
# change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
kube_apiserver_insecure_bind_address: 127.0.0.1
# A port range to reserve for services with NodePort visibility.
# Inclusive at both ends of the range.
kube_apiserver_node_port_range: "30000-32767"
# ETCD cert dir for connecting apiserver to etcd
etcd_config_dir: /etc/ssl/etcd
etcd_cert_dir: "{{ etcd_config_dir }}/ssl"
# Limits for kube components
kube_controller_memory_limit: 512M
kube_controller_cpu_limit: 250m
kube_controller_memory_requests: 170M
kube_controller_cpu_requests: 100m
kube_controller_node_monitor_grace_period: 40s
kube_controller_node_monitor_period: 5s
kube_controller_pod_eviction_timeout: 5m0s
kube_scheduler_memory_limit: 512M
kube_scheduler_cpu_limit: 250m
kube_scheduler_memory_requests: 170M
kube_scheduler_cpu_requests: 100m
kube_apiserver_memory_limit: 2000M
kube_apiserver_cpu_limit: 800m
kube_apiserver_memory_requests: 256M
kube_apiserver_cpu_requests: 300m