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2. don't mark pods not ready when node has pod binding annotation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes Authors. | ||
| 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 ( | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/spf13/pflag" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/kube-controller-manager/config/v1alpha1" | ||
|
|
||
| "github.com/openyurtio/openyurt/cmd/yurt-manager/names" | ||
| ) | ||
|
|
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| // NodeLifecycleControllerOptions holds the NodeLifecycleController options. | ||
| type NodeLifecycleControllerOptions struct { | ||
| *v1alpha1.NodeLifecycleControllerConfiguration | ||
| } | ||
|
|
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| func NewNodeLifecycleControllerOptions() *NodeLifecycleControllerOptions { | ||
| return &NodeLifecycleControllerOptions{ | ||
| NodeLifecycleControllerConfiguration: &v1alpha1.NodeLifecycleControllerConfiguration{ | ||
| PodEvictionTimeout: metav1.Duration{Duration: 5 * time.Minute}, | ||
| NodeMonitorGracePeriod: metav1.Duration{Duration: 40 * time.Second}, | ||
| NodeStartupGracePeriod: metav1.Duration{Duration: 60 * time.Second}, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // AddFlags adds flags related to NodeLifecycleController for controller manager to the specified FlagSet. | ||
| func (o *NodeLifecycleControllerOptions) AddFlags(fs *pflag.FlagSet) { | ||
| if o == nil { | ||
| return | ||
| } | ||
|
|
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| fs.DurationVar(&o.NodeStartupGracePeriod.Duration, "node-startup-grace-period", o.NodeStartupGracePeriod.Duration, | ||
| "Amount of time which we allow starting Node to be unresponsive before marking it unhealthy.") | ||
| fs.DurationVar(&o.NodeMonitorGracePeriod.Duration, "node-monitor-grace-period", o.NodeMonitorGracePeriod.Duration, | ||
| "Amount of time which we allow running Node to be unresponsive before marking it unhealthy. "+ | ||
| "Must be N times more than kubelet's nodeStatusUpdateFrequency, "+ | ||
| "where N means number of retries allowed for kubelet to post node status.") | ||
| fs.Float32Var(&o.NodeEvictionRate, "node-eviction-rate", 0.1, "Number of nodes per second on which pods are deleted in case of node failure when a zone is healthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters.") | ||
| fs.Float32Var(&o.SecondaryNodeEvictionRate, "secondary-node-eviction-rate", 0.01, "Number of nodes per second on which pods are deleted in case of node failure when a zone is unhealthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters. This value is implicitly overridden to 0 if the cluster size is smaller than --large-cluster-size-threshold.") | ||
| fs.Int32Var(&o.LargeClusterSizeThreshold, "large-cluster-size-threshold", 50, fmt.Sprintf("Number of nodes from which %s treats the cluster as large for the eviction logic purposes. --secondary-node-eviction-rate is implicitly overridden to 0 for clusters this size or smaller.", names.NodeLifeCycleController)) | ||
| fs.Float32Var(&o.UnhealthyZoneThreshold, "unhealthy-zone-threshold", 0.55, "Fraction of Nodes in a zone which needs to be not Ready (minimum 3) for zone to be treated as unhealthy. ") | ||
| } | ||
|
|
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| // ApplyTo fills up NodeLifecycleController config with options. | ||
| func (o *NodeLifecycleControllerOptions) ApplyTo(cfg *v1alpha1.NodeLifecycleControllerConfiguration) error { | ||
| if o == nil { | ||
| return nil | ||
| } | ||
|
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| cfg.NodeStartupGracePeriod = o.NodeStartupGracePeriod | ||
| cfg.NodeMonitorGracePeriod = o.NodeMonitorGracePeriod | ||
| cfg.NodeEvictionRate = o.NodeEvictionRate | ||
| cfg.SecondaryNodeEvictionRate = o.SecondaryNodeEvictionRate | ||
| cfg.LargeClusterSizeThreshold = o.LargeClusterSizeThreshold | ||
| cfg.UnhealthyZoneThreshold = o.UnhealthyZoneThreshold | ||
|
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| return nil | ||
| } | ||
|
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| // Validate checks validation of NodeLifecycleControllerOptions. | ||
| func (o *NodeLifecycleControllerOptions) Validate() []error { | ||
| if o == nil { | ||
| return nil | ||
| } | ||
|
|
||
| errs := []error{} | ||
| return errs | ||
| } |
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