68 lines
2.8 KiB
Go
68 lines
2.8 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package options
|
|
|
|
import (
|
|
"net"
|
|
"time"
|
|
|
|
"github.com/spf13/pflag"
|
|
)
|
|
|
|
type NodeControllerOptions struct {
|
|
AllocateNodeCIDRs bool
|
|
ClusterCIDR net.IPNet
|
|
DeletingPodsBurst int
|
|
DeletingPodsQps float32
|
|
NodeMonitorGracePeriod time.Duration
|
|
NodeMonitorPeriod time.Duration
|
|
NodeStartupGracePeriod time.Duration
|
|
PodEvictionTimeout time.Duration
|
|
}
|
|
|
|
func NewNodeControllerOptions() NodeControllerOptions {
|
|
return NodeControllerOptions{
|
|
AllocateNodeCIDRs: false,
|
|
DeletingPodsBurst: 10,
|
|
DeletingPodsQps: 0.1,
|
|
NodeMonitorGracePeriod: 40 * time.Second,
|
|
NodeMonitorPeriod: 5 * time.Second,
|
|
NodeStartupGracePeriod: 60 * time.Second,
|
|
PodEvictionTimeout: 5 * time.Minute,
|
|
}
|
|
}
|
|
|
|
func (o *NodeControllerOptions) AddFlags(fs *pflag.FlagSet) {
|
|
fs.BoolVar(&o.AllocateNodeCIDRs, "allocate-node-cidrs", o.AllocateNodeCIDRs, "Should CIDRs for Pods be allocated and set on the cloud provider.")
|
|
fs.IPNetVar(&o.ClusterCIDR, "cluster-cidr", o.ClusterCIDR, "CIDR Range for Pods in cluster.")
|
|
fs.IntVar(&o.DeletingPodsBurst, "deleting-pods-burst", o.DeletingPodsBurst,
|
|
"Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
|
|
fs.Float32Var(&o.DeletingPodsQps, "deleting-pods-qps", o.DeletingPodsQps,
|
|
"Number of nodes per second on which pods are deleted in case of node failure.")
|
|
fs.DurationVar(&o.NodeMonitorGracePeriod, "node-monitor-grace-period", o.NodeMonitorGracePeriod,
|
|
"Amount of time which we allow running Node to be unresponsive before marking it unhealty. "+
|
|
"Must be N times more than kubelet's nodeStatusUpdateFrequency, "+
|
|
"where N means number of retries allowed for kubelet to post node status.")
|
|
fs.DurationVar(&o.NodeMonitorPeriod, "node-monitor-period", o.NodeMonitorPeriod,
|
|
"The period for syncing NodeStatus in NodeController.")
|
|
fs.DurationVar(&o.NodeStartupGracePeriod, "node-startup-grace-period", o.NodeStartupGracePeriod,
|
|
"Amount of time which we allow starting Node to be unresponsive before marking it unhealty.")
|
|
fs.DurationVar(&o.PodEvictionTimeout, "pod-eviction-timeout", o.PodEvictionTimeout,
|
|
"The grace period for deleting pods on failed nodes.")
|
|
|
|
}
|