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Add eviction minimum reclaim option to kubelet

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derekwaynecarr 2016-07-20 17:57:36 -04:00
parent 0b1f0e8353
commit 99bddd23c4
3 changed files with 5 additions and 0 deletions
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1
cmd/kubelet/app/options/options.go
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@ -179,5 +179,6 @@ func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.EvictionSoftGracePeriod, "eviction-soft-grace-period", s.EvictionSoftGracePeriod, "A set of eviction grace periods (e.g. memory.available=1m30s) that correspond to how long a soft eviction threshold must hold before triggering a pod eviction.")
fs.DurationVar(&s.EvictionPressureTransitionPeriod.Duration, "eviction-pressure-transition-period", s.EvictionPressureTransitionPeriod.Duration, "Duration for which the kubelet has to wait before transitioning out of an eviction pressure condition.")
fs.Int32Var(&s.EvictionMaxPodGracePeriod, "eviction-max-pod-grace-period", s.EvictionMaxPodGracePeriod, "Maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met. If negative, defer to pod specified value.")
fs.StringVar(&s.EvictionMinimumReclaim, "eviction-minimum-reclaim", s.EvictionMinimumReclaim, "A set of minimum reclaims (e.g. imagefs.available=2Gi) that describes the minimum amount of resource the kubelet will reclaim when performing a pod eviction if that resource is under pressure.")
fs.Int32Var(&s.PodsPerCore, "pods-per-core", s.PodsPerCore, "Number of Pods per core that can run on this Kubelet. The total number of Pods on this Kubelet cannot exceed max-pods, so max-pods will be used if this calculation results in a larger number of Pods allowed on the Kubelet. A value of 0 disables this limit.")
}

2
pkg/apis/componentconfig/types.go
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@ -378,6 +378,8 @@ type KubeletConfiguration struct {
EvictionPressureTransitionPeriod unversioned.Duration `json:"evictionPressureTransitionPeriod,omitempty"`
// Maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met.
EvictionMaxPodGracePeriod int32 `json:"evictionMaxPodGracePeriod,omitempty"`
// Comma-delimited list of minimum reclaims (e.g. imagefs.available=2Gi) that describes the minimum amount of resource the kubelet will reclaim when performing a pod eviction if that resource is under pressure.
EvictionMinimumReclaim string `json:"evictionMinimumReclaim,omitempty"`
// Maximum number of pods per core. Cannot exceed MaxPods
PodsPerCore int32 `json:"podsPerCore"`
// enableControllerAttachDetach enables the Attach/Detach controller to

2
pkg/apis/componentconfig/v1alpha1/types.go
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@ -433,6 +433,8 @@ type KubeletConfiguration struct {
EvictionPressureTransitionPeriod unversioned.Duration `json:"evictionPressureTransitionPeriod"`
// Maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met.
EvictionMaxPodGracePeriod int32 `json:"evictionMaxPodGracePeriod"`
// Comma-delimited list of minimum reclaims (e.g. imagefs.available=2Gi) that describes the minimum amount of resource the kubelet will reclaim when performing a pod eviction if that resource is under pressure.
EvictionMinimumReclaim string `json:"evictionMinimumReclaim"`
// Maximum number of pods per core. Cannot exceed MaxPods
PodsPerCore int32 `json:"podsPerCore"`
// enableControllerAttachDetach enables the Attach/Detach controller to