Updated ApplicationMetricsHandler. Removed PrometheusV1Handler

2 files changed, 0 insertions, 206 deletions

diff --git a/container-core/src/main/java/com/yahoo/container/handler/metrics/PrometheusV1Handler.java b/container-core/src/main/java/com/yahoo/container/handler/metrics/PrometheusV1Handler.java
deleted file mode 100644
index 46bdb388cd1..00000000000
--- a/container-core/src/main/java/com/yahoo/container/handler/metrics/PrometheusV1Handler.java
+++ /dev/null
@@ -1,90 +0,0 @@
-package com.yahoo.container.handler.metrics;
-
-import ai.vespa.metricsproxy.http.TextResponse;
-import ai.vespa.metricsproxy.metric.model.MetricsPacket;
-import ai.vespa.metricsproxy.metric.model.json.GenericJsonUtil;
-import ai.vespa.metricsproxy.metric.model.prometheus.PrometheusUtil;
-import ai.vespa.util.http.VespaHttpClientBuilder;
-import com.google.inject.Inject;
-import com.yahoo.container.jdisc.HttpResponse;
-import com.yahoo.restapi.Path;
-import com.yahoo.restapi.StringResponse;
-import com.yahoo.vespa.jdk8compat.List;
-import com.yahoo.yolean.Exceptions;
-import java.io.IOException;
-import java.net.URI;
-import java.util.Optional;
-import java.util.concurrent.Executor;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import org.apache.http.client.HttpClient;
-import org.apache.http.client.config.RequestConfig;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.impl.client.BasicResponseHandler;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import static com.yahoo.jdisc.Response.Status.INTERNAL_SERVER_ERROR;
-
-public class PrometheusV1Handler extends HttpHandlerBase {
-
-    public static final String V1_PATH = "/prometheus/v1";
-    static final String VALUES_PATH = V1_PATH + "/values";
-
-    private static final int HTTP_CONNECT_TIMEOUT = 5000;
-    private static final int HTTP_SOCKET_TIMEOUT = 30000;
-
-    private final String metricsProxyUri;
-    private final HttpClient httpClient = createHttpClient();
-
-
-    @Inject
-    protected PrometheusV1Handler(Executor executor, MetricsProxyApiConfig config) {
-        super(executor);
-        metricsProxyUri = "http://localhost:+" + config.metricsPort() + config.metricsApiPath();
-    }
-
-    private static CloseableHttpClient createHttpClient() {
-        return VespaHttpClientBuilder.create()
-                .setUserAgent("application-prometheus-retriever")
-                .setDefaultRequestConfig(RequestConfig.custom()
-                        .setConnectTimeout(HTTP_CONNECT_TIMEOUT)
-                        .setSocketTimeout(HTTP_SOCKET_TIMEOUT)
-                        .build())
-                .build();
-    }
-
-    static String consumerQuery(String consumer) {
-        return (consumer == null || consumer.isEmpty()) ? "" : "?consumer=" + consumer;
-    }
-
-    @Override
-    protected Optional<HttpResponse> doHandle(URI requestUri, Path apiPath, String consumer) {
-        if (apiPath.matches(V1_PATH)) return Optional.of(resourceListResponse(requestUri, List.of(VALUES_PATH)));
-        if (apiPath.matches(VALUES_PATH)) return Optional.of(valuesResponse(consumer));
-        return Optional.empty();
-    }
-
-    private HttpResponse valuesResponse(String consumer) {
-        try {
-            String uri = metricsProxyUri + consumerQuery(consumer);
-            String metricsJson = httpClient.execute(new HttpGet(uri), new BasicResponseHandler());
-            return new TextResponse(200, convertToPrometheus(metricsJson));
-        } catch (IOException e) {
-            log.warning(String.format("Unable to retrieve prometheus metrics from %s: %s", metricsProxyUri, Exceptions.toMessageString(e)));
-            return new ErrorResponse(INTERNAL_SERVER_ERROR, e.getMessage());
-        }
-    }
-
-    private String convertToPrometheus(String metricsJson) {
-        return PrometheusUtil.toPrometheusModel(
-                GenericJsonUtil
-                        .toMetricsPackets(metricsJson)
-                        .stream()
-                        .map(MetricsPacket.Builder::build)
-                        .collect(Collectors.toList()))
-                .serialize();
-    }
-
-}
diff --git a/container-core/src/test/java/com/yahoo/container/handler/metrics/PrometheusV1HandlerTest.java b/container-core/src/test/java/com/yahoo/container/handler/metrics/PrometheusV1HandlerTest.java
deleted file mode 100644
index ece2e37085c..00000000000
--- a/container-core/src/test/java/com/yahoo/container/handler/metrics/PrometheusV1HandlerTest.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package com.yahoo.container.handler.metrics;
-
-import com.github.tomakehurst.wiremock.junit.WireMockRule;
-import com.yahoo.container.jdisc.RequestHandlerTestDriver;
-import java.io.BufferedReader;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.util.concurrent.Executors;
-import java.util.stream.Collectors;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
-
-import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
-import static com.github.tomakehurst.wiremock.client.WireMock.equalTo;
-import static com.github.tomakehurst.wiremock.client.WireMock.get;
-import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo;
-import static com.yahoo.container.handler.metrics.PrometheusV1Handler.consumerQuery;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-public class PrometheusV1HandlerTest {
-
-    private static final String URI_BASE = "http://localhost";
-
-    private static final String V1_URI = URI_BASE + PrometheusV1Handler.V1_PATH;
-    private static final String VALUES_URI = URI_BASE + PrometheusV1Handler.VALUES_PATH;
-
-    // Mock applicationmetrics api
-    private static final String MOCK_METRICS_PATH = "/node0";
-
-    private static final String TEST_FILE = "application-metrics.json";
-    private static final String RESPONSE = getFileContents(TEST_FILE);
-    private static final String CPU_METRIC = "cpu";
-    private static final String REPLACED_CPU_METRIC = "cpu.util";
-    private static final String CUSTOM_CONSUMER = "custom-consumer";
-
-    private static RequestHandlerTestDriver testDriver;
-
-    @Rule
-    public WireMockRule wireMockRule = new WireMockRule(80);
-
-    private static String getFileContents(String filename) {
-        InputStream in = PrometheusV1HandlerTest.class.getClassLoader().getResourceAsStream(filename);
-        if (in == null) {
-            throw new RuntimeException("File not found: " + filename);
-        }
-        return new BufferedReader(new InputStreamReader(in)).lines().collect(Collectors.joining("\n"));
-    }
-
-    @Before
-    public void setup() {
-        setupWireMock();
-        var handler = new PrometheusV1Handler(Executors.newSingleThreadExecutor(),
-                new MetricsProxyApiConfig.Builder()
-                        .metricsPort(wireMockRule.port())
-                        .metricsApiPath(MOCK_METRICS_PATH)
-                        .build());
-        testDriver = new RequestHandlerTestDriver(handler);
-    }
-
-    private void setupWireMock() {
-        wireMockRule.stubFor(get(urlPathEqualTo(MOCK_METRICS_PATH))
-                .willReturn(aResponse().withBody(RESPONSE)));
-
-        // Add a slightly different response for a custom consumer.
-        String myConsumerResponse = RESPONSE.replace(CPU_METRIC, REPLACED_CPU_METRIC);
-        wireMockRule.stubFor(get(urlPathEqualTo(MOCK_METRICS_PATH))
-                .withQueryParam("consumer", equalTo(CUSTOM_CONSUMER))
-                .willReturn(aResponse().withBody(myConsumerResponse)));
-
-    }
-
-    @Test
-    public void v1_response_contains_values_uri() throws Exception {
-        String response = testDriver.sendRequest(V1_URI).readAll();
-        JSONObject root = new JSONObject(response);
-        assertTrue(root.has("resources"));
-
-        JSONArray resources = root.getJSONArray("resources");
-        assertEquals(1, resources.length());
-
-        JSONObject valuesUri = resources.getJSONObject(0);
-        assertEquals(VALUES_URI, valuesUri.getString("url"));
-    }
-
-    @Test
-    public void invalid_path_yields_error_response() throws Exception {
-        String response = testDriver.sendRequest(V1_URI + "/invalid").readAll();
-        JSONObject root = new JSONObject(response);
-        assertTrue(root.has("error"));
-        assertTrue(root.getString("error").startsWith("No content"));
-    }
-
-    @Test
-    public void values_response_is_equal_to_test_file() {
-        String response = testDriver.sendRequest(VALUES_URI).readAll();
-        assertEquals(RESPONSE, response);
-    }
-
-    @Test
-    public void consumer_is_propagated_to_metrics_proxy_api() {
-        String response = getResponseAsString(CUSTOM_CONSUMER);
-
-        assertTrue(response.contains(REPLACED_CPU_METRIC));
-
-
-    }
-
-    private String getResponseAsString(String consumer) {
-        return testDriver.sendRequest(VALUES_URI + consumerQuery(consumer)).readAll();
-    }
-}