simono41/homebridge-prometheus-exporter
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Rename /probe to /metrics

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This commit is contained in:
Lars Strojny 2022-11-07 20:53:38 +01:00
parent ff7fd44f2c
commit d0b9b6a36e
3 changed files with 17 additions and 14 deletions
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4
src/http/api.ts
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@ -9,9 +9,9 @@ export type HttpResponse = {
export type HttpServerConfig = { export type HttpServerConfig = {
port: number port: number
requestInterceptor: () => HttpResponse | undefined requestInterceptor: () => HttpResponse | undefined
probeController: () => HttpResponse metricsController: () => HttpResponse
notFoundController: () => HttpResponse notFoundController: () => HttpResponse
errorController: () => HttpResponse errorController: (error: unknown) => HttpResponse
logger: Logger logger: Logger
} }

8
src/http/fastify.ts
View file

@ -42,7 +42,7 @@ function adaptResponseToReply(response: HttpResponse, reply: FastifyReply): void
export const serve: HttpServer = async ({ export const serve: HttpServer = async ({
port, port,
requestInterceptor, requestInterceptor,
probeController, metricsController,
notFoundController, notFoundController,
errorController, errorController,
}) => { }) => {
@ -61,15 +61,15 @@ export const serve: HttpServer = async ({
}) })
fastify.setErrorHandler(async (error, request: FastifyRequest, reply: FastifyReply) => { fastify.setErrorHandler(async (error, request: FastifyRequest, reply: FastifyReply) => {
adaptResponseToReply(errorController(), reply) adaptResponseToReply(errorController(error), reply)
}) })
fastify.setNotFoundHandler(async (request: FastifyRequest, reply: FastifyReply) => { fastify.setNotFoundHandler(async (request: FastifyRequest, reply: FastifyReply) => {
adaptResponseToReply(notFoundController(), reply) adaptResponseToReply(notFoundController(), reply)
}) })
fastify.get('/probe', async (request: FastifyRequest, reply: FastifyReply) => { fastify.get('/metrics', async (request: FastifyRequest, reply: FastifyReply) => {
adaptResponseToReply(probeController(), reply) adaptResponseToReply(metricsController(), reply)
}) })
await fastify.listen({ port, host: '::' }) await fastify.listen({ port, host: '::' })

13
src/platform.ts
View file

@ -61,9 +61,9 @@ export class PrometheusExporterPlatform implements IndependentPlatformPlugin {
} }
} }
}, },
probeController: () => { metricsController: () => {
const renderer = new MetricsRenderer('homebridge') const renderer = new MetricsRenderer('homebridge')
const metrics = this.metrics.map(renderer.render).join('\n') const metrics = this.metrics.map((metric) => renderer.render(metric)).join('\n')
return { return {
statusCode: 200, statusCode: 200,
@ -74,13 +74,16 @@ export class PrometheusExporterPlatform implements IndependentPlatformPlugin {
notFoundController: () => ({ notFoundController: () => ({
statusCode: 404, statusCode: 404,
headers: contentTypeHeader, headers: contentTypeHeader,
body: 'Not found. Try /probe', body: 'Not found. Try /metrics',
}), }),
errorController: () => ({ errorController: (e) => {
this.log.error('HTTP request error: %o', e)
return {
statusCode: 500, statusCode: 500,
headers: contentTypeHeader, headers: contentTypeHeader,
body: 'Server error', body: 'Server error',
}), }
},
}) })
.then((http) => { .then((http) => {
this.log.debug('HTTP server started on port %d', this.config.probe_port) this.log.debug('HTTP server started on port %d', this.config.probe_port)