loadwatcher

package

v0.1.1 Latest Latest Go to latest Published: Apr 5, 2019 License: Apache-2.0 Imports: 16 Imported by: 0

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const ComponentName = "loadwatcher"

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const TaintKey = "loadwatcher.mittwald.systems/load-exceeded"

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type Evicter struct {
	// contains filtered or unexported fields
}

func NewEvicter(client kubernetes.Interface, threshold int, nodeName string, backoff string) (*Evicter, error)

func (e *Evicter) CanEvict() bool

func (e *Evicter) EvictPod(evt LoadThresholdEvent) (bool, error)

type LoadThresholdEvent struct {
	LoadThreshold float64
	Load5         float64
	Load15        float64
}

type PodCandidate struct {
	Pod   *v1.Pod
	Score int
}

type PodCandidateSet []PodCandidate

func PodCandidateSetFromPodList(l *v1.PodList) PodCandidateSet

func (s PodCandidateSet) Len() int

func (s PodCandidateSet) Less(i, j int) bool

func (s PodCandidateSet) SelectPodForEviction() *v1.Pod

func (s PodCandidateSet) Swap(i, j int)

type Tainter struct {
	// contains filtered or unexported fields
}

func NewTainter(c kubernetes.Interface, nodeName string) (*Tainter, error)

func (t *Tainter) IsNodeTainted() (bool, error)

func (t *Tainter) TaintNode(evt LoadThresholdEvent) error

func (t *Tainter) UntaintNode(evt LoadThresholdEvent) error

type Watcher struct {
	TickerInterval time.Duration
	LoadThreshold  float64
	// contains filtered or unexported fields
}

func NewWatcher(loadThreshold int) (*Watcher, error)

func (w *Watcher) Run(closeChan chan struct{}) (<-chan LoadThresholdEvent, <-chan LoadThresholdEvent, <-chan error)

func (w *Watcher) SetAsHigh(high bool)