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refactor(server): metric repo (#8278)
* refactor * redundant `implements` * simplify * remove `enabled`
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Original file line number | Diff line number | Diff line change |
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@@ -1,13 +1,21 @@ | ||
import { MetricOptions } from '@opentelemetry/api'; | ||
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export interface CustomMetricOptions extends MetricOptions { | ||
enabled?: boolean; | ||
export const IMetricRepository = 'IMetricRepository'; | ||
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export interface MetricGroupOptions { | ||
enabled: boolean; | ||
} | ||
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export const IMetricRepository = 'IMetricRepository'; | ||
export interface IMetricGroupRepository { | ||
addToCounter(name: string, value: number, options?: MetricOptions): void; | ||
addToGauge(name: string, value: number, options?: MetricOptions): void; | ||
addToHistogram(name: string, value: number, options?: MetricOptions): void; | ||
configure(options: MetricGroupOptions): this; | ||
} | ||
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export interface IMetricRepository { | ||
addToCounter(name: string, value: number, options?: CustomMetricOptions): void; | ||
updateGauge(name: string, value: number, options?: CustomMetricOptions): void; | ||
updateHistogram(name: string, value: number, options?: CustomMetricOptions): void; | ||
api: IMetricGroupRepository; | ||
host: IMetricGroupRepository; | ||
jobs: IMetricGroupRepository; | ||
repo: IMetricGroupRepository; | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -1,31 +1,48 @@ | ||
import { Inject } from '@nestjs/common'; | ||
import { Injectable } from '@nestjs/common'; | ||
import { MetricOptions } from '@opentelemetry/api'; | ||
import { MetricService } from 'nestjs-otel'; | ||
import { CustomMetricOptions, IMetricRepository } from 'src/interfaces/metric.interface'; | ||
import { IMetricGroupRepository, IMetricRepository, MetricGroupOptions } from 'src/interfaces/metric.interface'; | ||
import { apiMetrics, hostMetrics, jobMetrics, repoMetrics } from 'src/utils/instrumentation'; | ||
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export class MetricRepository implements IMetricRepository { | ||
constructor(@Inject(MetricService) private readonly metricService: MetricService) {} | ||
class MetricGroupRepository implements IMetricGroupRepository { | ||
private enabled = false; | ||
constructor(private readonly metricService: MetricService) {} | ||
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addToCounter(name: string, value: number, options?: CustomMetricOptions): void { | ||
if (options?.enabled === false) { | ||
return; | ||
addToCounter(name: string, value: number, options?: MetricOptions): void { | ||
if (this.enabled) { | ||
this.metricService.getCounter(name, options).add(value); | ||
} | ||
} | ||
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this.metricService.getCounter(name, options).add(value); | ||
addToGauge(name: string, value: number, options?: MetricOptions): void { | ||
if (this.enabled) { | ||
this.metricService.getUpDownCounter(name, options).add(value); | ||
} | ||
} | ||
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updateGauge(name: string, value: number, options?: CustomMetricOptions): void { | ||
if (options?.enabled === false) { | ||
return; | ||
addToHistogram(name: string, value: number, options?: MetricOptions): void { | ||
if (this.enabled) { | ||
this.metricService.getHistogram(name, options).record(value); | ||
} | ||
} | ||
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this.metricService.getUpDownCounter(name, options).add(value); | ||
configure(options: MetricGroupOptions): this { | ||
this.enabled = options.enabled; | ||
return this; | ||
} | ||
} | ||
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updateHistogram(name: string, value: number, options?: CustomMetricOptions): void { | ||
if (options?.enabled === false) { | ||
return; | ||
} | ||
@Injectable() | ||
export class MetricRepository implements IMetricRepository { | ||
api: MetricGroupRepository; | ||
host: MetricGroupRepository; | ||
jobs: MetricGroupRepository; | ||
repo: MetricGroupRepository; | ||
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this.metricService.getHistogram(name, options).record(value); | ||
constructor(metricService: MetricService) { | ||
this.api = new MetricGroupRepository(metricService).configure({ enabled: apiMetrics }); | ||
this.host = new MetricGroupRepository(metricService).configure({ enabled: hostMetrics }); | ||
this.jobs = new MetricGroupRepository(metricService).configure({ enabled: jobMetrics }); | ||
this.repo = new MetricGroupRepository(metricService).configure({ enabled: repoMetrics }); | ||
} | ||
} |
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