131 lines
3.4 KiB
Go
131 lines
3.4 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metricsutil
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import (
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"k8s.io/api/core/v1"
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metricsapi "k8s.io/metrics/pkg/apis/metrics"
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)
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type NodeMetricsSorter struct {
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metrics []metricsapi.NodeMetrics
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sortBy string
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}
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func (n *NodeMetricsSorter) Len() int {
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return len(n.metrics)
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}
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func (n *NodeMetricsSorter) Swap(i, j int) {
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n.metrics[i], n.metrics[j] = n.metrics[j], n.metrics[i]
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}
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func (n *NodeMetricsSorter) Less(i, j int) bool {
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switch n.sortBy {
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case "cpu":
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return n.metrics[i].Usage.Cpu().MilliValue() > n.metrics[j].Usage.Cpu().MilliValue()
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case "memory":
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return n.metrics[i].Usage.Memory().Value() > n.metrics[j].Usage.Memory().Value()
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default:
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return n.metrics[i].Name < n.metrics[j].Name
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}
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}
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func NewNodeMetricsSorter(metrics []metricsapi.NodeMetrics, sortBy string) *NodeMetricsSorter {
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return &NodeMetricsSorter{
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metrics: metrics,
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sortBy: sortBy,
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}
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}
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type PodMetricsSorter struct {
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metrics []metricsapi.PodMetrics
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sortBy string
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withNamespace bool
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podMetrics []v1.ResourceList
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}
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func (p *PodMetricsSorter) Len() int {
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return len(p.metrics)
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}
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func (p *PodMetricsSorter) Swap(i, j int) {
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p.metrics[i], p.metrics[j] = p.metrics[j], p.metrics[i]
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p.podMetrics[i], p.podMetrics[j] = p.podMetrics[j], p.podMetrics[i]
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}
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func (p *PodMetricsSorter) Less(i, j int) bool {
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switch p.sortBy {
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case "cpu":
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return p.podMetrics[i].Cpu().MilliValue() > p.podMetrics[j].Cpu().MilliValue()
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case "memory":
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return p.podMetrics[i].Memory().Value() > p.podMetrics[j].Memory().Value()
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default:
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if p.withNamespace && p.metrics[i].Namespace != p.metrics[j].Namespace {
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return p.metrics[i].Namespace < p.metrics[j].Namespace
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}
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return p.metrics[i].Name < p.metrics[j].Name
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}
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}
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func NewPodMetricsSorter(metrics []metricsapi.PodMetrics, withNamespace bool, sortBy string) *PodMetricsSorter {
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var podMetrics = make([]v1.ResourceList, len(metrics))
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if len(sortBy) > 0 {
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for i, v := range metrics {
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podMetrics[i] = getPodMetrics(&v)
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}
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}
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return &PodMetricsSorter{
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metrics: metrics,
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sortBy: sortBy,
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withNamespace: withNamespace,
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podMetrics: podMetrics,
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}
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}
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type ContainerMetricsSorter struct {
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metrics []metricsapi.ContainerMetrics
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sortBy string
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}
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func (s *ContainerMetricsSorter) Len() int {
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return len(s.metrics)
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}
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func (s *ContainerMetricsSorter) Swap(i, j int) {
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s.metrics[i], s.metrics[j] = s.metrics[j], s.metrics[i]
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}
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func (s *ContainerMetricsSorter) Less(i, j int) bool {
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switch s.sortBy {
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case "cpu":
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return s.metrics[i].Usage.Cpu().MilliValue() > s.metrics[j].Usage.Cpu().MilliValue()
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case "memory":
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return s.metrics[i].Usage.Memory().Value() > s.metrics[j].Usage.Memory().Value()
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default:
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return s.metrics[i].Name < s.metrics[j].Name
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}
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}
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func NewContainerMetricsSorter(metrics []metricsapi.ContainerMetrics, sortBy string) *ContainerMetricsSorter {
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return &ContainerMetricsSorter{
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metrics: metrics,
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sortBy: sortBy,
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}
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}
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