Examples with TaggedMetricName com.wavefront.common.TaggedMetricName used on opensource projects

Example 21 with TaggedMetricName

use of com.wavefront.common.TaggedMetricName in project java by wavefrontHQ.

the class HealthCheckManagerImpl method getHealthCheckResponse.

@Override
public HttpResponse getHealthCheckResponse(ChannelHandlerContext ctx, @Nonnull FullHttpRequest request) throws URISyntaxException {
    int port = ((InetSocketAddress) ctx.channel().localAddress()).getPort();
    if (!enabledPorts.contains(port))
        return null;
    URI uri = new URI(request.uri());
    if (!(this.path == null || this.path.equals(uri.getPath())))
        return null;
    // it is a health check URL, now we need to determine current status and respond accordingly
    final boolean ok = isHealthy(port);
    Metrics.newGauge(new TaggedMetricName("listeners", "healthcheck.status", "port", String.valueOf(port)), new Gauge<Integer>() {

        @Override
        public Integer value() {
            return isHealthy(port) ? 1 : 0;
        }
    });
    final FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(ok ? passStatusCode : failStatusCode), Unpooled.copiedBuffer(ok ? passResponseBody : failResponseBody, CharsetUtil.UTF_8));
    if (contentType != null) {
        response.headers().set(HttpHeaderNames.CONTENT_TYPE, contentType);
    }
    if (HttpUtil.isKeepAlive(request)) {
        response.headers().set(HttpHeaderNames.CONTENT_LENGTH, response.content().readableBytes());
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }
    Metrics.newCounter(new TaggedMetricName("listeners", "healthcheck.httpstatus." + (ok ? passStatusCode : failStatusCode) + ".count", "port", String.valueOf(port))).inc();
    return response;
}