Java Code Examples for io.prometheus.client.exporter.common.TextFormat#CONTENT_TYPE_004

The following examples show how to use io.prometheus.client.exporter.common.TextFormat#CONTENT_TYPE_004 . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PrometheusScrapeEndpointController.java    From dhis2-core with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
@RequestMapping( value = "/metrics", method = RequestMethod.GET, produces = TextFormat.CONTENT_TYPE_004 )
@ResponseBody
public String scrape()
{
    try
    {
        Writer writer = new StringWriter();
        TextFormat.write004( writer, this.collectorRegistry.metricFamilySamples() );
        return writer.toString();
    }
    catch ( IOException ex )
    {
        // This never happens since StringWriter::write() doesn't throw IOException

        throw new UncheckedIOException( "Writing metrics failed", ex );
    }
}
Example 2
Source File: SingleTargetMetricsEndpoint.java    From promregator with Apache License 2.0 5 votes vote down vote up 
@GetMapping(produces=TextFormat.CONTENT_TYPE_004)
public ResponseEntity<String> getMetrics(
		@PathVariable String applicationId, 
		@PathVariable String instanceNumber
		) {
	
	if (this.isLoopbackRequest()) {
		throw new LoopbackScrapingDetectedException("Erroneous Loopback Scraping request detected");
	}
	
	String instanceId = String.format("%s:%s", applicationId, instanceNumber);
	
	String response = null;
	try {
		response = this.handleRequest( discoveredApplicationId -> applicationId.equals(discoveredApplicationId)
		, requestInstance -> {
			if (requestInstance.getInstanceId().equals(instanceId)) {
				this.instance = requestInstance;
				return true;
			}
			
			return false;
		});
	} catch (ScrapingException e) {
		return new ResponseEntity<>(e.toString(), HttpStatus.NOT_FOUND);
	}
	
	return new ResponseEntity<>(response, HttpStatus.OK);
}
Example 3
Source File: PromregatorMetricsEndpoint.java    From promregator with Apache License 2.0 5 votes vote down vote up 
@GetMapping(produces=TextFormat.CONTENT_TYPE_004)
public String getMetrics() {
	HashMap<String, MetricFamilySamples> mfsMap = this.gmfspr.determineEnumerationOfMetricFamilySamples(this.collectorRegistry);
	
	MergableMetricFamilySamples mmfs = new MergableMetricFamilySamples();
	mmfs.merge(mfsMap);
	
	return mmfs.toType004String();
}
Example 4
Source File: MetricsEndpoint.java    From promregator with Apache License 2.0 5 votes vote down vote up 
@GetMapping(produces=TextFormat.CONTENT_TYPE_004)
public ResponseEntity<String> getMetrics() {
	if (this.isLoopbackRequest()) {
		throw new LoopbackScrapingDetectedException("Erroneous Loopback Scraping request detected");
	}
	try {
		String result = this.handleRequest(null, null /* no filtering intended */);
		return new ResponseEntity<>(result, HttpStatus.OK);
	} catch (ScrapingException e) {
		return new ResponseEntity<>(e.toString(), HttpStatus.SERVICE_UNAVAILABLE);
	}
}
Example 5
Source File: MetricsController.java    From JuniperBot with GNU General Public License v3.0 5 votes vote down vote up 
@GetMapping(value = "metrics", produces = TextFormat.CONTENT_TYPE_004)
public ResponseEntity<String> metrics(@RequestParam(name = "name[]", required = false) String[] includedParam)
        throws IOException {
    Set<String> params = includedParam == null ? Collections.emptySet() : new HashSet<>(Arrays.asList(includedParam));
    try (Writer writer = new StringWriter()) {
        TextFormat.write004(writer, this.registry.filteredMetricFamilySamples(params));
        writer.flush();
        return new ResponseEntity<>(writer.toString(), HttpStatus.OK);
    }
}
Example 6
Source File: MetricsResource.java    From graylog-plugin-metrics-reporter with GNU General Public License v3.0 5 votes vote down vote up 
@GET
@Produces(TextFormat.CONTENT_TYPE_004)
@ApiOperation("Provide internal Graylog metrics in Prometheus metrics format")
public Response prometheusMetrics() {
    final StreamingOutput stream = os -> {
        try (final OutputStreamWriter outputStreamWriter = new OutputStreamWriter(os);
             final Writer writer = new BufferedWriter(outputStreamWriter)) {
            TextFormat.write004(writer, collectorRegistry.metricFamilySamples());
            writer.flush();
        }
    };
    return Response.ok(stream)
            .type(TextFormat.CONTENT_TYPE_004)
            .build();
}
Example 7
Source File: PrometheusMetricsController.java    From Lavalink with MIT License 4 votes vote down vote up 
@GetMapping(produces = TextFormat.CONTENT_TYPE_004)
public ResponseEntity<String> getMetrics(@Nullable @RequestParam(name = "name[]", required = false) String[] includedParam)
        throws IOException {
    return buildAnswer(includedParam);
}