adds testcase and polish

boot-grafana-lgtm/docker/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3.8'
 services:
 
   grafanalgtm:
@@ -11,19 +10,6 @@ services:
       - "3000:3000"
       - "4317:4317"
       - "4318:4318"
-
-  prometheus:
-    image: prom/prometheus:v3.0.1
-    extra_hosts: ['host.docker.internal:host-gateway']
-    container_name: prometheus
-    command:
-      - --enable-feature=exemplar-storage
-      - --config.file=/etc/prometheus/prometheus.yml
+      - "9090:9090"
     volumes:
       - ../config/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
-    ports:
-      - "9090:9090"
-    healthcheck:
-      interval: 5s
-      retries: 10
-      test: wget --no-verbose --tries=1 --spider http://localhost:9090/status || exit 1

boot-grafana-lgtm/src/test/java/com/learning/grafanalgtm/GrafanaLGTMApplicationTest.java

@@ -5,6 +5,7 @@
 import static org.hamcrest.Matchers.empty;
 import static org.hamcrest.Matchers.is;
 
+import com.learning.grafanalgtm.common.ContainerConfig;
 import io.restassured.RestAssured;
 import io.restassured.authentication.PreemptiveBasicAuthScheme;
 import io.restassured.http.ContentType;
@@ -19,7 +20,7 @@
 import org.testcontainers.grafana.LgtmStackContainer;
 
 @SpringBootTest(
-        classes = {TestGrafanaLGTMApplication.class},
+        classes = {ContainerConfig.class},
         webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 class GrafanaLGTMApplicationTest {
@@ -61,6 +62,22 @@ void prometheus() {
                 .body("data.result", empty());
     }
 
+    @Test
+    void queryPrometheus() {
+        // calling endpoint to load metrics
+        when().get("/greetings").then().statusCode(HttpStatus.SC_OK);
+
+        RestAssured.port = lgtmContainer.getMappedPort(9090);
+        given().contentType(ContentType.URLENC)
+                .body("query=up")
+                .when()
+                .post("/api/v1/query")
+                .then()
+                .statusCode(HttpStatus.SC_OK)
+                .contentType(ContentType.JSON)
+                .body("status", is("success"));
+    }
+
     @Test
     void tempoQuery() {
         // calling endpoint to load metrics

boot-grafana-lgtm/src/test/java/com/learning/grafanalgtm/TestGrafanaLGTMApplication.java

@@ -1,26 +1,13 @@
 package com.learning.grafanalgtm;
 
-import java.time.Duration;
+import com.learning.grafanalgtm.common.ContainerConfig;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
-import org.springframework.context.annotation.Bean;
-import org.testcontainers.grafana.LgtmStackContainer;
-import org.testcontainers.utility.DockerImageName;
 
-@TestConfiguration(proxyBeanMethods = false)
 public class TestGrafanaLGTMApplication {
 
     public static void main(String[] args) {
         SpringApplication.from(GrafanaLGTMApplication::main)
-                .with(TestGrafanaLGTMApplication.class)
+                .with(ContainerConfig.class)
                 .run(args);
     }
-
-    @Bean
-    @ServiceConnection
-    LgtmStackContainer lgtmContainer() {
-        return new LgtmStackContainer(DockerImageName.parse("grafana/otel-lgtm:0.7.8"))
-                .withStartupTimeout(Duration.ofMinutes(2));
-    }
 }

boot-grafana-lgtm/src/test/java/com/learning/grafanalgtm/common/ContainerConfig.java

@@ -0,0 +1,19 @@
+package com.learning.grafanalgtm.common;
+
+import java.time.Duration;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.context.annotation.Bean;
+import org.testcontainers.grafana.LgtmStackContainer;
+import org.testcontainers.utility.DockerImageName;
+
+@TestConfiguration(proxyBeanMethods = false)
+public class ContainerConfig {
+
+    @Bean
+    @ServiceConnection
+    LgtmStackContainer lgtmContainer() {
+        return new LgtmStackContainer(DockerImageName.parse("grafana/otel-lgtm:0.8.1"))
+                .withStartupTimeout(Duration.ofMinutes(2));
+    }
+}