Clean up template URI matching; add support for servlets

extensions/micrometer/deployment/pom.xml

@@ -44,6 +44,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-resteasy-reactive-spi-deployment</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-undertow-spi</artifactId>
+        </dependency>
 
         <!-- test -->
 
@@ -77,6 +81,18 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-undertow-deployment</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-vertx-web-deployment</artifactId>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>io.rest-assured</groupId>
             <artifactId>rest-assured</artifactId>

extensions/micrometer/deployment/src/main/java/io/quarkus/micrometer/deployment/binder/HttpBinderProcessor.java

@@ -3,6 +3,7 @@
 import java.util.function.BooleanSupplier;
 
 import javax.inject.Singleton;
+import javax.servlet.DispatcherType;
 
 import io.quarkus.arc.deployment.AdditionalBeanBuildItem;
 import io.quarkus.arc.deployment.SyntheticBeanBuildItem;
@@ -33,9 +34,10 @@ public class HttpBinderProcessor {
     // Common MeterFilter (uri variation limiter)
     static final String HTTP_METER_FILTER_CONFIGURATION = "io.quarkus.micrometer.runtime.binder.HttpMeterFilterProvider";
 
-    // avoid imports due to related deps not being there
+    // JAX-RS, Servlet Filters
     static final String RESTEASY_CONTAINER_FILTER_CLASS_NAME = "io.quarkus.micrometer.runtime.binder.vertx.VertxMeterBinderRestEasyContainerFilter";
-    static final String QUARKUS_REST_CONTAINER_FILTER_CLASS_NAME = "io.quarkus.micrometer.runtime.binder.vertx.VertxMeterBinderQuarkusRestContainerFilter";
+    static final String RESTEASY_REACTIVE_CONTAINER_FILTER_CLASS_NAME = "io.quarkus.micrometer.runtime.binder.vertx.VertxMeterBinderRestEasyReactiveContainerFilter";
+    static final String UNDERTOW_SERVLET_FILTER_CLASS_NAME = "io.quarkus.micrometer.runtime.binder.vertx.VertxMeterBinderUndertowServletFilter";
 
     // Rest client listener SPI
     private static final String REST_CLIENT_LISTENER_CLASS_NAME = "org.eclipse.microprofile.rest.client.spi.RestClientListener";
@@ -100,15 +102,31 @@ FilterBuildItem addVertxMeterFilter() {
     void enableHttpServerSupport(Capabilities capabilities,
             BuildProducer<ResteasyJaxrsProviderBuildItem> resteasyJaxrsProviders,
             BuildProducer<CustomContainerRequestFilterBuildItem> customContainerRequestFilter,
+            BuildProducer<io.quarkus.undertow.deployment.FilterBuildItem> servletFilters,
             BuildProducer<AdditionalBeanBuildItem> additionalBeans) {
 
+        // Will have one or the other of these (exclusive)
         if (capabilities.isPresent(Capability.RESTEASY)) {
             resteasyJaxrsProviders.produce(new ResteasyJaxrsProviderBuildItem(RESTEASY_CONTAINER_FILTER_CLASS_NAME));
             createAdditionalBean(additionalBeans, RESTEASY_CONTAINER_FILTER_CLASS_NAME);
         } else if (capabilities.isPresent(Capability.RESTEASY_REACTIVE)) {
             customContainerRequestFilter
-                    .produce(new CustomContainerRequestFilterBuildItem(QUARKUS_REST_CONTAINER_FILTER_CLASS_NAME));
-            createAdditionalBean(additionalBeans, QUARKUS_REST_CONTAINER_FILTER_CLASS_NAME);
+                    .produce(new CustomContainerRequestFilterBuildItem(RESTEASY_REACTIVE_CONTAINER_FILTER_CLASS_NAME));
+            createAdditionalBean(additionalBeans, RESTEASY_REACTIVE_CONTAINER_FILTER_CLASS_NAME);
+        }
+
+        // But this might be present as well (fallback. Rest URI processing preferred)
+        if (capabilities.isPresent(Capability.SERVLET)) {
+            servletFilters.produce(
+                    io.quarkus.undertow.deployment.FilterBuildItem.builder("metricsFilter", UNDERTOW_SERVLET_FILTER_CLASS_NAME)
+                            .setAsyncSupported(true)
+                            .addFilterUrlMapping("*", DispatcherType.FORWARD)
+                            .addFilterUrlMapping("*", DispatcherType.INCLUDE)
+                            .addFilterUrlMapping("*", DispatcherType.REQUEST)
+                            .addFilterUrlMapping("*", DispatcherType.ASYNC)
+                            .addFilterUrlMapping("*", DispatcherType.ERROR)
+                            .build());
+            createAdditionalBean(additionalBeans, UNDERTOW_SERVLET_FILTER_CLASS_NAME);
         }
     }
 

extensions/micrometer/deployment/src/test/java/io/quarkus/micrometer/deployment/binder/UriTagTest.java

@@ -0,0 +1,92 @@
+package io.quarkus.micrometer.deployment.binder;
+
+import static io.restassured.RestAssured.when;
+
+import javax.inject.Inject;
+
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.JavaArchive;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.micrometer.core.instrument.MeterRegistry;
+import io.quarkus.micrometer.test.PingPongResource;
+import io.quarkus.micrometer.test.ServletEndpoint;
+import io.quarkus.micrometer.test.Util;
+import io.quarkus.micrometer.test.VertxWebEndpoint;
+import io.quarkus.test.QuarkusUnitTest;
+import io.restassured.RestAssured;
+
+public class UriTagTest {
+    @RegisterExtension
+    static final QuarkusUnitTest config = new QuarkusUnitTest()
+            .withConfigurationResource("test-logging.properties")
+            .overrideConfigKey("quarkus.micrometer.binder-enabled-default", "false")
+            .overrideConfigKey("quarkus.micrometer.binder.http-client.enabled", "true")
+            .overrideConfigKey("quarkus.micrometer.binder.http-server.enabled", "true")
+            .overrideConfigKey("quarkus.micrometer.binder.http-server.match-patterns", "/one=/two")
+            .overrideConfigKey("quarkus.micrometer.binder.http-server.ignore-patterns", "/two")
+            .overrideConfigKey("quarkus.micrometer.binder.vertx.enabled", "true")
+            .overrideConfigKey("pingpong/mp-rest/url", "${test.url}")
+            .setArchiveProducer(() -> ShrinkWrap.create(JavaArchive.class)
+                    .addClasses(Util.class,
+                            PingPongResource.class,
+                            PingPongResource.PingPongRestClient.class,
+                            ServletEndpoint.class,
+                            VertxWebEndpoint.class));
+
+    @Inject
+    MeterRegistry registry;
+
+    @Test
+    public void testMetricFactoryCreatedMetrics() throws Exception {
+        RestAssured.basePath = "/";
+
+        // If you invoke requests, http server and client meters should be registered
+
+        when().get("/one").then().statusCode(200);
+        when().get("/two").then().statusCode(200);
+        when().get("/ping/one").then().statusCode(200);
+        when().get("/ping/two").then().statusCode(200);
+        when().get("/ping/three").then().statusCode(200);
+        when().get("/vertx/item/123").then().statusCode(200);
+        when().get("/vertx/item/1/123").then().statusCode(200);
+        when().get("/servlet/12345").then().statusCode(200);
+
+        System.out.println("Server paths\n" + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+        System.out.println("Client paths\n" + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+
+        // /one should map to /two, which is ignored. Neither should exist w/ timers
+        Assertions.assertEquals(0, registry.find("http.server.requests").tag("uri", "/one").timers().size(),
+                "/one is mapped to /two, which should be ignored. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+        Assertions.assertEquals(0, registry.find("http.server.requests").tag("uri", "/two").timers().size(),
+                "/two should be ignored. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+
+        // URIs for server: /ping/{message}, /pong/{message}, /vertx/item/{id}, /vertx/item/{id}/{sub}, /servlet/
+        Assertions.assertEquals(1, registry.find("http.server.requests").tag("uri", "/ping/{message}").timers().size(),
+                "/ping/{message} should be returned by JAX-RS. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+        Assertions.assertEquals(1, registry.find("http.server.requests").tag("uri", "/pong/{message}").timers().size(),
+                "/pong/{message} should be returned by JAX-RS. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+        Assertions.assertEquals(1, registry.find("http.server.requests").tag("uri", "/vertx/item/{id}").timers().size(),
+                "Vert.x Web template path (/vertx/item/:id) should be detected/translated to /vertx/item/{id}. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+        Assertions.assertEquals(1, registry.find("http.server.requests").tag("uri", "/vertx/item/{id}/{sub}").timers().size(),
+                "Vert.x Web template path (/vertx/item/:id/:sub) should be detected/translated to /vertx/item/{id}/{sub}. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+
+        Assertions.assertEquals(1, registry.find("http.server.requests").tag("uri", "/servlet").timers().size(),
+                "Servlet path (/servlet) should be used for servlet. Found:\n"
+                        + Util.listMeters(registry.find("http.server.requests").meters(), "uri"));
+
+        // TODO: #15231
+        // URIs For client: /pong/{message}
+        //        Assertions.assertEquals(1, registry.find("http.client.requests").tag("uri", "/pong/{message}").timers().size(),
+        //                "/pong/{message} should be returned by Rest client.  Found:\n"
+        //                        + Util.listMeters(registry.find("http.client.requests").meters(), "uri"));
+    }
+}

extensions/micrometer/deployment/src/test/java/io/quarkus/micrometer/test/PingPongResource.java

@@ -35,4 +35,16 @@ public String pong(@PathParam("message") String message) {
     public String ping(@PathParam("message") String message) {
         return pingRestClient.pingpong(message);
     }
+
+    @GET
+    @Path("one")
+    public String one() {
+        return "OK";
+    }
+
+    @GET
+    @Path("two")
+    public String two() {
+        return "OK";
+    }
 }

extensions/micrometer/deployment/src/test/java/io/quarkus/micrometer/test/ServletEndpoint.java

@@ -0,0 +1,18 @@
+package io.quarkus.micrometer.test;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet(name = "ServletEndpoint", urlPatterns = "/servlet/*")
+public class ServletEndpoint extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        resp.setContentType("text/plain");
+        resp.getWriter().println("OK");
+    }
+}

extensions/micrometer/deployment/src/test/java/io/quarkus/micrometer/test/Util.java

@@ -1,11 +1,15 @@
 package io.quarkus.micrometer.test;
 
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.List;
 import java.util.logging.LogRecord;
+import java.util.stream.Collectors;
 
 import org.junit.jupiter.api.Assertions;
 
+import io.micrometer.core.instrument.Meter;
+
 public class Util {
     private Util() {
     }
@@ -26,4 +30,12 @@ static String stackToString(Throwable t) {
         Arrays.asList(t.getStackTrace()).forEach(x -> sb.append("\t").append(x.toString()).append("\n"));
         return sb.toString();
     }
+
+    public static String listMeters(Collection<Meter> collection, final String tag) {
+        return collection.stream()
+                .map(x -> {
+                    return x.getId().getTag(tag);
+                })
+                .collect(Collectors.joining(","));
+    }
 }

extensions/micrometer/deployment/src/test/java/io/quarkus/micrometer/test/VertxWebEndpoint.java

@@ -0,0 +1,19 @@
+package io.quarkus.micrometer.test;
+
+import io.quarkus.vertx.web.Param;
+import io.quarkus.vertx.web.Route;
+import io.quarkus.vertx.web.RouteBase;
+import io.vertx.core.http.HttpMethod;
+
+@RouteBase(path = "/vertx")
+public class VertxWebEndpoint {
+    @Route(path = "item/:id", methods = HttpMethod.GET)
+    public String item(@Param("id") Integer id) {
+        return "message with id " + id;
+    }
+
+    @Route(path = "item/:id/:sub", methods = HttpMethod.GET)
+    public String item(@Param("id") Integer id, @Param("sub") Integer sub) {
+        return "message with id " + id + " and sub " + sub;
+    }
+}

extensions/micrometer/runtime/pom.xml

@@ -76,7 +76,7 @@
 
         <dependency>
             <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-hibernate-orm</artifactId>
+            <artifactId>quarkus-undertow</artifactId>
             <optional>true</optional>
         </dependency>
 

extensions/micrometer/runtime/src/main/java/io/quarkus/micrometer/runtime/binder/HttpCommonTags.java

@@ -1,7 +1,5 @@
 package io.quarkus.micrometer.runtime.binder;
 
-import java.util.regex.Pattern;
-
 import io.micrometer.core.instrument.Tag;
 import io.micrometer.core.instrument.binder.http.Outcome;
 
@@ -16,9 +14,6 @@ public class HttpCommonTags {
 
     public static final Tag METHOD_UNKNOWN = Tag.of("method", "UNKNOWN");
 
-    public static final Pattern TRAILING_SLASH_PATTERN = Pattern.compile("/$");
-    public static final Pattern MULTIPLE_SLASH_PATTERN = Pattern.compile("//+");
-
     /**
      * Creates an {@code method} {@code Tag} derived from the given {@code HTTP method}.
      *