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First sketch of hpav2 metrics

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Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>
This commit is contained in:
Alex Andreev 2023-01-16 09:50:49 +03:00
parent c91a4cb5d0
commit fbd5bf0075
1 changed files with 89 additions and 43 deletions
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132
src/common/k8s-api/endpoints/horizontal-pod-autoscaler.api.ts
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@ -28,6 +28,12 @@ export interface ContainerResourceMetricSource {
name: string;
targetAverageUtilization?: number;
targetAverageValue?: string;
// autscaling/v2
target?: {
averageUtilization?: number;
type?: string;
}
}
export interface ExternalMetricSource {
@ -46,15 +52,30 @@ export interface ObjectMetricSource {
}
export interface PodsMetricSource {
metricName: string;
metricName?: string;
selector?: LabelSelector;
targetAverageValue: string;
targetAverageValue?: string;
// autoscaling/v2
metric?: {
name?: string;
}
target?: {
averageValue?: string;
type?: string;
}
}
export interface ResourceMetricSource {
name: string;
targetAverageUtilization?: number;
targetAverageValue?: string;
// autoscaling/v2
target?: {
averageUtilization?: number;
type?: string;
}
}
export interface BaseHorizontalPodAutoscalerMetricSpec {
@ -206,10 +227,12 @@ export class HorizontalPodAutoscaler extends KubeObject<
}
getMetrics() {
// console.log(this.spec)
return this.spec.metrics ?? [];
}
getCurrentMetrics() {
// console.log(this.status)
return this.status?.currentMetrics ?? [];
}
@ -217,10 +240,35 @@ export class HorizontalPodAutoscaler extends KubeObject<
const {
current = "unknown",
target = "unknown",
} = getMetricCurrentTarget(metric, this.getCurrentMetrics());
} = this.getMetricsCurrentAndTarget(metric);
return `${current} / ${target}`;
}
getMetricsCurrentAndTarget(spec: HorizontalPodAutoscalerMetricSpec): MetricCurrentTarget {
const currentMetrics = this.getCurrentMetrics();
const currentMetric = currentMetrics.find(m => (
m.type === spec.type
&& getMetricName(m) === getMetricName(spec)
));
console.log(spec, currentMetrics)
switch (spec.type) {
case HpaMetricType.Resource:
return getResourceMetricValue(currentMetric?.resource, spec.resource);
case HpaMetricType.Pods:
return getPodsMetricValue(currentMetric?.pods, spec.pods);
case HpaMetricType.Object:
return getObjectMetricValue(currentMetric?.object, spec.object);
case HpaMetricType.External:
return getExternalMetricValue(currentMetric?.external, spec.external);
case HpaMetricType.ContainerResource:
return getContainerResourceMetricValue(currentMetric?.containerResource, spec.containerResource);
default:
return {};
}
}
}
export class HorizontalPodAutoscalerApi extends KubeApi<HorizontalPodAutoscaler> {
@ -228,13 +276,13 @@ export class HorizontalPodAutoscalerApi extends KubeApi<HorizontalPodAutoscaler>
super(deps, {
...opts ?? {},
objectConstructor: HorizontalPodAutoscaler,
checkPreferredVersion: true,
// Kubernetes < 1.26
fallbackApiBases: [
"/apis/autoscaling/v2beta2/horizontalpodautoscalers",
"/apis/autoscaling/v2beta1/horizontalpodautoscalers",
"/apis/autoscaling/v1/horizontalpodautoscalers",
],
// checkPreferredVersion: true,
// // Kubernetes < 1.26
// fallbackApiBases: [
// "/apis/autoscaling/v2beta2/horizontalpodautoscalers",
// "/apis/autoscaling/v2beta1/horizontalpodautoscalers",
// "/apis/autoscaling/v1/horizontalpodautoscalers",
// ],
});
}
}
@ -257,25 +305,37 @@ function getMetricName(metric: HorizontalPodAutoscalerMetricSpec | HorizontalPod
}
function getResourceMetricValue(currentMetric: ResourceMetricStatus | undefined, targetMetric: ResourceMetricSource): MetricCurrentTarget {
let target = "unknown";
if (targetMetric.target) {
target = targetMetric.target.averageUtilization ? `${targetMetric.target.averageUtilization}%` : "unknown";
} else {
target = typeof targetMetric?.targetAverageUtilization === "number"
? `${targetMetric.targetAverageUtilization}%`
: targetMetric?.targetAverageValue ?? "unknown";
}
return {
current: (
typeof currentMetric?.currentAverageUtilization === "number"
? `${currentMetric.currentAverageUtilization}%`
: currentMetric?.currentAverageValue
),
target: (
typeof targetMetric?.targetAverageUtilization === "number"
? `${targetMetric.targetAverageUtilization}%`
: targetMetric?.targetAverageValue
),
target,
};
}
function getPodsMetricValue(currentMetric: PodsMetricStatus | undefined, targetMetric: PodsMetricSource): MetricCurrentTarget {
return {
current: currentMetric?.currentAverageValue,
target: targetMetric?.targetAverageValue,
};
target: targetMetric?.target?.averageValue,
}
// v1
// return {
// current: currentMetric?.currentAverageValue,
// target: targetMetric?.targetAverageValue,
// };
}
function getObjectMetricValue(currentMetric: ObjectMetricStatus | undefined, targetMetric: ObjectMetricSource): MetricCurrentTarget {
@ -305,38 +365,24 @@ function getExternalMetricValue(currentMetric: ExternalMetricStatus | undefined,
}
function getContainerResourceMetricValue(currentMetric: ContainerResourceMetricStatus | undefined, targetMetric: ContainerResourceMetricSource): MetricCurrentTarget {
let target = "unknown";
if (targetMetric.target) {
// v2
target = targetMetric.target.averageUtilization ? `${targetMetric.target.averageUtilization}%` : "unknown";
} else {
target = typeof targetMetric?.targetAverageUtilization === "number"
? `${targetMetric.targetAverageUtilization}%`
: targetMetric?.targetAverageValue ?? "unknown";
}
return {
current: (
typeof currentMetric?.currentAverageUtilization === "number"
? `${currentMetric.currentAverageUtilization}%`
: currentMetric?.currentAverageValue
),
target: (
typeof targetMetric?.targetAverageUtilization === "number"
? `${targetMetric.targetAverageUtilization}%`
: targetMetric?.targetAverageValue
),
target,
};
}
function getMetricCurrentTarget(spec: HorizontalPodAutoscalerMetricSpec, status: HorizontalPodAutoscalerMetricStatus[]): MetricCurrentTarget {
const currentMetric = status.find(m => (
m.type === spec.type
&& getMetricName(m) === getMetricName(spec)
));
switch (spec.type) {
case HpaMetricType.Resource:
return getResourceMetricValue(currentMetric?.resource, spec.resource);
case HpaMetricType.Pods:
return getPodsMetricValue(currentMetric?.pods, spec.pods);
case HpaMetricType.Object:
return getObjectMetricValue(currentMetric?.object, spec.object);
case HpaMetricType.External:
return getExternalMetricValue(currentMetric?.external, spec.external);
case HpaMetricType.ContainerResource:
return getContainerResourceMetricValue(currentMetric?.containerResource, spec.containerResource);
default:
return {};
}
}