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hpa.go
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hpa.go
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// Copyright 2020 VMware, Inc. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package kstate
import (
"reflect"
"time"
"github.com/wavefronthq/observability-for-kubernetes/collector/internal/wf"
autoscalingv2 "k8s.io/api/autoscaling/v2"
log "github.com/sirupsen/logrus"
"github.com/wavefronthq/observability-for-kubernetes/collector/internal/configuration"
)
func pointsForHPA(item interface{}, transforms configuration.Transforms) []wf.Metric {
hpa, ok := item.(*autoscalingv2.HorizontalPodAutoscaler)
if !ok {
log.Errorf("invalid type: %s", reflect.TypeOf(item).String())
return nil
}
tags := buildTags("hpa", hpa.Name, hpa.Namespace, transforms.Tags)
now := time.Now().Unix()
maxReplicas := float64(hpa.Spec.MaxReplicas)
minReplicas := floatValOrDefault(hpa.Spec.MinReplicas, 1.0)
currReplicas := float64(hpa.Status.CurrentReplicas)
desiredReplicas := float64(hpa.Status.DesiredReplicas)
return []wf.Metric{
metricPoint(transforms.Prefix, "hpa.max_replicas", maxReplicas, now, transforms.Source, tags),
metricPoint(transforms.Prefix, "hpa.min_replicas", minReplicas, now, transforms.Source, tags),
metricPoint(transforms.Prefix, "hpa.current_replicas", currReplicas, now, transforms.Source, tags),
metricPoint(transforms.Prefix, "hpa.desired_replicas", desiredReplicas, now, transforms.Source, tags),
}
}