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adding live test

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technoddy 2024-03-17 20:54:28 -04:00
parent 16dc441ac5
commit 3563a3e35a
6 changed files with 213 additions and 0 deletions
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1
spring-boot-modules/spring-boot-logging-loki/README.md Normal file
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### Relevant Articles:

41
spring-boot-modules/spring-boot-logging-loki/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-boot-logging-loki</artifactId>
<version>0.1-SNAPSHOT</version>
<name>loki</name>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>com.github.loki4j</groupId>
<artifactId>loki-logback-appender</artifactId>
<version>${loki-logback.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
</dependencies>
<properties>
<loki-logback.version>1.4.2</loki-logback.version>
</properties>
</project>

15
spring-boot-modules/spring-boot-logging-loki/src/main/java/com/baeldung/loki/DemoService.java Normal file
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package com.baeldung.loki;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
@Service
public class DemoService {
private final Logger LOG = LoggerFactory.getLogger(DemoService.class);
public void log() {
LOG.info("DemoService.log invoked!!!");
}
}

22
spring-boot-modules/spring-boot-logging-loki/src/main/java/com/baeldung/loki/SpringBootLogbackExtensionsApplication.java Normal file
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package com.baeldung.extensions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootLogbackExtensionsApplication {
private static final Logger logger = LoggerFactory.getLogger(SpringBootLogbackExtensionsApplication.class);
public static void main(String[] args) {
SpringApplication.run(SpringBootLogbackExtensionsApplication.class, args);
logger.debug("Debug log message");
logger.info("Info log message");
logger.error("Error log message");
logger.warn("Warn log message");
logger.trace("Trace log message");
}
}

48
spring-boot-modules/spring-boot-logging-loki/src/main/resources/logback-spring.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<springProperty name="name" source="spring.application.name"/>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>
{
"level":"%level",
"class":"%logger{36}",
"thread":"%thread",
"message": "%message",
"requestId": "%X{X-Request-ID}"
}
</pattern>
</encoder>
</appender>
<appender name="LOKI" class="com.github.loki4j.logback.Loki4jAppender">
<http>
<url>http://localhost:3100/loki/api/v1/push</url>
</http>
<format>
<label>
<pattern>app=${name},host=${HOSTNAME},level=%level</pattern>
<readMarkers>true</readMarkers>
</label>
<message>
<pattern>
{
"level":"%level",
"class":"%logger{36}",
"thread":"%thread",
"message": "%message",
"requestId": "%X{X-Request-ID}"
}
</pattern>
</message>
</format>
</appender>
<root level="INFO">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="LOKI"/>
</root>
</configuration>

86
spring-boot-modules/spring-boot-logging-loki/src/test/java/com/baeldung/loki/DemoServiceLiveTest.java Normal file
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package com.baeldung.loki;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.verify;
import java.net.URI;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponentsBuilder;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
@SpringBootTest(classes = DemoService.class)
public class DemoServiceLiveTest {
@Test
public void givenLokiContainerRunning_whenDemoServiceInvoked_thenLokiAppenderCollectLogs() throws JsonProcessingException, InterruptedException {
DemoService service = new DemoService();
service.log();
Thread.sleep(2000);
String baseUrl = "http://localhost:3100/loki/api/v1/query_range";
// Set up query parameters
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
String query = "{level=\"INFO\"} |= `DemoService.log invoked!!!`";
// Get current time in UTC
LocalDateTime currentDateTime = LocalDateTime.now(ZoneOffset.UTC);
String current_time_est = currentDateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'"));
LocalDateTime tenMinsAgo = currentDateTime.minusMinutes(10);
String start_time_est = tenMinsAgo.format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'"));
System.out.println(start_time_est);
URI uri = UriComponentsBuilder.fromUriString(baseUrl)
.queryParam("query", query)
.queryParam("start", start_time_est)
.queryParam("end", current_time_est)
.build()
.toUri();
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<String> response = restTemplate.exchange(
uri,
HttpMethod.GET,
new HttpEntity<>(headers),
String.class
);
List<String> messages = new ArrayList<>();
ObjectMapper objectMapper = new ObjectMapper();
if (response.getStatusCode() == HttpStatus.OK) {
String responseBody = response.getBody();
JsonNode jsonNode = objectMapper.readTree(responseBody);
JsonNode result = jsonNode.get("data").get("result").get(0).get("values");
result.iterator().forEachRemaining(e-> {
Iterator<JsonNode> elements = e.elements();
elements.forEachRemaining(f ->
messages.add(f.toString())
);
});
} else {
System.out.println("Error: " + response.getStatusCodeValue());
}
String expected = "DemoService.log invoked!!!";
assertTrue(messages.stream().anyMatch(e -> e.contains(expected)));
}
}