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store: add verticalpodautoscaler metrics
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| # Vertical Pod Autoscaler Metrics | ||
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| | Metric name | Metric type | Labels/tags | Status | | ||
| | -------------------------------- | ----------- | ------------------------------------------------------------- | ------ | | ||
| | kube_verticalpodautoscaler_spec_resourcepolicy_container_policies_minallowed | Gauge | `container`=<container name> <br> `namespace`=<namespace> <br> `resource`=<cpu | memory> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `unit`=<core | byte> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_spec_resourcepolicy_container_policies_maxallowed | Gauge | `container`=<container name> <br> `namespace`=<namespace> <br> `resource`=<cpu | memory> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `unit`=<core | byte> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_status_recommendation_containerrecommendations_lowerbound | Gauge | `container`=<container name> <br> `namespace`=<namespace> <br> `resource`=<cpu | memory> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `unit`=<core | byte> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_status_recommendation_containerrecommendations_target | Gauge | `container`=<container name> <br> `namespace`=<namespace> <br> `resource`=<cpu | memory> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `unit`=<core | byte> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_status_recommendation_containerrecommendations_uncappedtarget | Gauge | `container`=<container name> <br> `namespace`=<namespace> <br> `resource`=<cpu | memory> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `unit`=<core | byte> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_status_recommendation_containerrecommendations_upperbound | Gauge | `container`=<container name> <br> `namespace`=<namespace> <br> `resource`=<cpu | memory> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `unit`=<core | byte> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_labels | Gauge | `label_app`=<foo> <br> `namespace`=<namespace> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | | ||
| | kube_verticalpodautoscaler_spec_updatepolicy_updatemode | Gauge | `namespace`=<namespace> <br> `target_api_version`=<api version> <br> `target_kind`=<target kind> <br> `target_name`=<target name> <br> `update_mode`=<foo> <br> `verticalpodautoscaler`=<vertical pod autoscaler name> | EXPERIMENTAL | |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,256 @@ | ||
| /* | ||
| Copyright 2019 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. | ||
| */ | ||
|
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| package store | ||
|
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| import ( | ||
| v1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/kube-state-metrics/pkg/constant" | ||
|
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| autoscaling "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1beta2" | ||
| vpaclientset "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/client/clientset/versioned" | ||
| clientset "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/tools/cache" | ||
| "k8s.io/kube-state-metrics/pkg/metric" | ||
| ) | ||
|
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| var ( | ||
| descVerticalPodAutoscalerLabelsName = "kube_verticalpodautoscaler_labels" | ||
| descVerticalPodAutoscalerLabelsHelp = "Kubernetes labels converted to Prometheus labels." | ||
| descVerticalPodAutoscalerLabelsDefaultLabels = []string{"namespace", "verticalpodautoscaler", "target_api_version", "target_kind", "target_name"} | ||
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| vpaMetricFamilies = []metric.FamilyGenerator{ | ||
| { | ||
| Name: descVerticalPodAutoscalerLabelsName, | ||
| Type: metric.Gauge, | ||
| Help: descVerticalPodAutoscalerLabelsHelp, | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| labelKeys, labelValues := kubeLabelsToPrometheusLabels(a.Labels) | ||
| return &metric.Family{ | ||
| Metrics: []*metric.Metric{ | ||
| { | ||
| LabelKeys: labelKeys, | ||
| LabelValues: labelValues, | ||
| Value: 1, | ||
| }, | ||
| }, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_spec_updatepolicy_updatemode", | ||
| Type: metric.Gauge, | ||
| Help: "Update mode of the VerticalPodAutoscaler.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
|
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| if a.Spec.UpdatePolicy.UpdateMode == nil { | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| } | ||
|
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| for _, mode := range []autoscaling.UpdateMode{ | ||
| autoscaling.UpdateModeOff, | ||
| autoscaling.UpdateModeInitial, | ||
| autoscaling.UpdateModeRecreate, | ||
| autoscaling.UpdateModeAuto, | ||
| } { | ||
| var v float64 | ||
| if *a.Spec.UpdatePolicy.UpdateMode == mode { | ||
| v = 1 | ||
| } else { | ||
| v = 0 | ||
| } | ||
| ms = append(ms, &metric.Metric{ | ||
| LabelKeys: []string{"update_mode"}, | ||
| LabelValues: []string{string(mode)}, | ||
| Value: v, | ||
| }) | ||
| } | ||
|
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| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_spec_resourcepolicy_container_policies_minallowed", | ||
| Type: metric.Gauge, | ||
| Help: "Minimum resources the VerticalPodAutoscaler can set for containers matching the name.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
| for _, c := range a.Spec.ResourcePolicy.ContainerPolicies { | ||
| ms = append(ms, vpaResourcesToMetrics(c.ContainerName, c.MinAllowed)...) | ||
|
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||
| } | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_spec_resourcepolicy_container_policies_maxallowed", | ||
| Type: metric.Gauge, | ||
| Help: "Maximum resources the VerticalPodAutoscaler can set for containers matching the name.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
| for _, c := range a.Spec.ResourcePolicy.ContainerPolicies { | ||
| ms = append(ms, vpaResourcesToMetrics(c.ContainerName, c.MaxAllowed)...) | ||
| } | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_status_recommendation_containerrecommendations_lowerbound", | ||
| Type: metric.Gauge, | ||
| Help: "Minimum resources the container can use before the VerticalPodAutoscaler updater evicts it.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
| if a.Status.Recommendation == nil || a.Status.Recommendation.ContainerRecommendations == nil { | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| } | ||
|
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| for _, c := range a.Status.Recommendation.ContainerRecommendations { | ||
| ms = append(ms, vpaResourcesToMetrics(c.ContainerName, c.LowerBound)...) | ||
| } | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_status_recommendation_containerrecommendations_upperbound", | ||
| Type: metric.Gauge, | ||
| Help: "Maximum resources the container can use before the VerticalPodAutoscaler updater evicts it.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
| if a.Status.Recommendation == nil || a.Status.Recommendation.ContainerRecommendations == nil { | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| } | ||
|
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| for _, c := range a.Status.Recommendation.ContainerRecommendations { | ||
| ms = append(ms, vpaResourcesToMetrics(c.ContainerName, c.UpperBound)...) | ||
| } | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_status_recommendation_containerrecommendations_target", | ||
| Type: metric.Gauge, | ||
| Help: "Target resources the VerticalPodAutoscaler recommends for the container.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
| if a.Status.Recommendation == nil || a.Status.Recommendation.ContainerRecommendations == nil { | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| } | ||
| for _, c := range a.Status.Recommendation.ContainerRecommendations { | ||
| ms = append(ms, vpaResourcesToMetrics(c.ContainerName, c.Target)...) | ||
| } | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| { | ||
| Name: "kube_verticalpodautoscaler_status_recommendation_containerrecommendations_uncappedtarget", | ||
| Type: metric.Gauge, | ||
| Help: "Target resources the VerticalPodAutoscaler recommends for the container ignoring bounds.", | ||
| GenerateFunc: wrapVPAFunc(func(a *autoscaling.VerticalPodAutoscaler) *metric.Family { | ||
| ms := []*metric.Metric{} | ||
| if a.Status.Recommendation == nil || a.Status.Recommendation.ContainerRecommendations == nil { | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| } | ||
| for _, c := range a.Status.Recommendation.ContainerRecommendations { | ||
| ms = append(ms, vpaResourcesToMetrics(c.ContainerName, c.UncappedTarget)...) | ||
| } | ||
| return &metric.Family{ | ||
| Metrics: ms, | ||
| } | ||
| }), | ||
| }, | ||
| } | ||
| ) | ||
|
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| func vpaResourcesToMetrics(containerName string, resources v1.ResourceList) []*metric.Metric { | ||
| ms := []*metric.Metric{} | ||
| for resourceName, val := range resources { | ||
| switch resourceName { | ||
| case v1.ResourceCPU: | ||
| ms = append(ms, &metric.Metric{ | ||
| LabelValues: []string{containerName, sanitizeLabelName(string(resourceName)), string(constant.UnitCore)}, | ||
| Value: float64(val.MilliValue()) / 1000, | ||
| }) | ||
| case v1.ResourceStorage: | ||
| fallthrough | ||
| case v1.ResourceEphemeralStorage: | ||
| fallthrough | ||
| case v1.ResourceMemory: | ||
| ms = append(ms, &metric.Metric{ | ||
| LabelValues: []string{containerName, sanitizeLabelName(string(resourceName)), string(constant.UnitByte)}, | ||
| Value: float64(val.Value()), | ||
| }) | ||
| } | ||
| } | ||
| for _, metric := range ms { | ||
| metric.LabelKeys = []string{"container", "resource", "unit"} | ||
| } | ||
| return ms | ||
| } | ||
|
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| func wrapVPAFunc(f func(*autoscaling.VerticalPodAutoscaler) *metric.Family) func(interface{}) *metric.Family { | ||
| return func(obj interface{}) *metric.Family { | ||
| vpa := obj.(*autoscaling.VerticalPodAutoscaler) | ||
|
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| metricFamily := f(vpa) | ||
| targetRef := vpa.Spec.TargetRef | ||
|
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| for _, m := range metricFamily.Metrics { | ||
| m.LabelKeys = append(descVerticalPodAutoscalerLabelsDefaultLabels, m.LabelKeys...) | ||
| m.LabelValues = append([]string{vpa.Namespace, vpa.Name, targetRef.APIVersion, targetRef.Kind, targetRef.Name}, m.LabelValues...) | ||
| } | ||
|
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| return metricFamily | ||
| } | ||
| } | ||
|
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| func createVPAListWatchFunc(vpaClient vpaclientset.Interface) func(kubeClient clientset.Interface, ns string) cache.ListerWatcher { | ||
| return func(kubeClient clientset.Interface, ns string) cache.ListerWatcher { | ||
| return &cache.ListWatch{ | ||
| ListFunc: func(opts metav1.ListOptions) (runtime.Object, error) { | ||
| return vpaClient.AutoscalingV1beta2().VerticalPodAutoscalers(ns).List(opts) | ||
| }, | ||
| WatchFunc: func(opts metav1.ListOptions) (watch.Interface, error) { | ||
| return vpaClient.AutoscalingV1beta2().VerticalPodAutoscalers(ns).Watch(opts) | ||
| }, | ||
| } | ||
| } | ||
| } |
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