iSharkFly-Docs
/
java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #15637 from imsurajmishra/bael-7192 

implementation for bael-7192
This commit is contained in:
Liam Williams 2024-03-30 16:42:12 +00:00 committed by GitHub
parent 404c3bf573 c8b7d97ea7
commit dbe6e67b7e
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
5 changed files with 168 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
spring-boot-modules/spring-boot-logging-loki/README.md Normal file
View File

@ -0,0 +1 @@
### Relevant Articles:

35
spring-boot-modules/spring-boot-logging-loki/pom.xml Normal file
View File

@ -0,0 +1,35 @@
<?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>
</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
View File

@ -0,0 +1,15 @@
package com.baeldung.loki;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
@Service
public class DemoService {
private static final Logger LOG = LoggerFactory.getLogger(DemoService.class);
public void log() {
LOG.info("DemoService.log invoked");
}
}

32
spring-boot-modules/spring-boot-logging-loki/src/main/resources/logback-spring.xml Normal file
View File

@ -0,0 +1,32 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<springProperty name="name" source="spring.application.name"/>
<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="LOKI"/>
</root>
</configuration>

85
spring-boot-modules/spring-boot-logging-loki/src/test/java/com/baeldung/loki/DemoServiceLiveTest.java Normal file
View File

@ -0,0 +1,85 @@
package com.baeldung.loki;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;
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 {
/**
* This test assumes that loki service is already up.
* For more details please check section #2 Running Loki and Grafana Service
* Which spin up Loki server using docker-compose
*/
@Test
public void givenLokiContainerRunning_whenDemoServiceInvoked_thenLokiAppenderCollectLogs() throws JsonProcessingException, InterruptedException {
DemoService service = new DemoService();
service.log();
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 currentTimeUtc = currentDateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'"));
LocalDateTime tenMinsAgo = currentDateTime.minusMinutes(10);
String startTimeUtc = tenMinsAgo.format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'"));
URI uri = UriComponentsBuilder.fromUriString(baseUrl)
.queryParam("query", query)
.queryParam("start", startTimeUtc)
.queryParam("end", currentTimeUtc)
.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();
assertEquals(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()));
});
String expected = "DemoService.log invoked";
assertThat(messages).anyMatch(e -> e.contains(expected));
}
}