59 lines
2.4 KiB
TypeScript
59 lines
2.4 KiB
TypeScript
import type { API, IndependentPlatformPlugin, Logger, PlatformConfig } from 'homebridge'
|
|
|
|
import { aggregate } from './metrics'
|
|
import { hapNodeJsClientDiscover as discover } from './adapters/discovery'
|
|
import { type HttpServerController, fastifyServe as serve } from './adapters/http'
|
|
import { PrometheusServer } from './prometheus'
|
|
import { type Config, ConfigBoundary, checkBoundary } from './boundaries'
|
|
|
|
export class PrometheusExporterPlatform implements IndependentPlatformPlugin {
|
|
private readonly httpServer: PrometheusServer
|
|
private httpServerController: HttpServerController | undefined = undefined
|
|
private readonly config: Config
|
|
|
|
constructor(public readonly log: Logger, config: PlatformConfig, public readonly api: API) {
|
|
this.log.debug('Initializing platform %s', config.platform)
|
|
|
|
this.config = checkBoundary(ConfigBoundary, config)
|
|
|
|
this.log.debug('Configuration parsed', this.config)
|
|
|
|
this.api.on('shutdown', () => {
|
|
this.log.debug('Shutting down %s', config.platform)
|
|
if (this.httpServerController) {
|
|
this.httpServerController.shutdown()
|
|
}
|
|
})
|
|
|
|
this.log.debug('Starting Prometheus HTTP server on port %d', this.config.port)
|
|
|
|
this.httpServer = new PrometheusServer(this.config, this.log)
|
|
serve(this.httpServer)
|
|
.then((httpServerController) => {
|
|
this.log.debug('HTTP server started on port %d', this.config.port)
|
|
this.httpServerController = httpServerController
|
|
})
|
|
.catch((e) => {
|
|
this.log.error('Failed to start Prometheus HTTP server on port %d: %o', this.config.port, e)
|
|
})
|
|
|
|
this.api.on('didFinishLaunching', () => {
|
|
this.log.debug('Finished launching %s', this.config.platform)
|
|
this.startHapDiscovery()
|
|
})
|
|
}
|
|
|
|
private startHapDiscovery(): void {
|
|
this.log.debug('Starting HAP discovery')
|
|
discover({ log: this.log, config: this.config })
|
|
.then((devices) => {
|
|
const metrics = aggregate(devices, new Date())
|
|
this.httpServer.onMetricsDiscovery(metrics)
|
|
this.log.debug('HAP discovery completed, %d metrics discovered', metrics.length)
|
|
this.startHapDiscovery()
|
|
})
|
|
.catch((e) => {
|
|
this.log.error('HAP discovery error', e)
|
|
})
|
|
}
|
|
}
|