Add hearthbeat endpoint to Ruuter

Dockerfile

@@ -6,6 +6,7 @@ COPY gradlew.bat .
 COPY gradle gradle
 COPY build.gradle .
 COPY src src
+COPY .env .env
 
 RUN chmod 754 ./gradlew
 RUN ./gradlew -Pprod clean bootJar
@@ -21,6 +22,9 @@ COPY --from=build ${DEPENDENCY}/BOOT-INF/classes /app
 
 ENV application.config-path=/DSL
 
+COPY .env /app/.env
+RUN echo BUILDTIME=`date +%s` >> /app/.env
+
 RUN adduser  ruuter
 RUN mkdir logs
 RUN mkdir DSL
@@ -29,4 +33,5 @@ RUN chown -R ruuter:ruuter /app
 RUN chown -R ruuter:ruuter /DSL
 USER ruuter
 
+
 ENTRYPOINT ["java","-cp","app:app/lib/*","ee.buerokratt.ruuter.RuuterApplication"]

src/main/java/ee/buerokratt/ruuter/configuration/PackageInfoConfiguration.java

@@ -0,0 +1,26 @@
+package ee.buerokratt.ruuter.configuration;
+
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.env.Environment;
+
+import java.util.Properties;
+
+@Getter
+@Configuration
+@PropertySource("classpath:heartbeat.properties")
+public class PackageInfoConfiguration {
+
+    @Value("${app.name:}")
+    private String appName;
+
+    @Value("${app.version}")
+    private String version;
+
+    @Value("${app.packaging.time:}")
+    private long packagingTime;
+
+}

src/main/java/ee/buerokratt/ruuter/configuration/PackageVersionConfiguration.java

@@ -0,0 +1,28 @@
+package ee.buerokratt.ruuter.configuration;
+
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+
+@Getter
+@Configuration
+@PropertySource("file:/app/.env")
+public class PackageVersionConfiguration {
+
+    @Value("${RELEASE}")
+    private String release;
+
+    @Value("${VERSION}")
+    private String version;
+
+    @Value("${BUILD}")
+    private String build;
+
+    @Value("${FIX}")
+    private String fix;
+
+    @Value("${BUILDTIME}")
+    private Long buildTime;
+
+}

src/main/java/ee/buerokratt/ruuter/controller/HeartBeatController.java

@@ -0,0 +1,20 @@
+package ee.buerokratt.ruuter.controller;
+
+import ee.buerokratt.ruuter.domain.HeartBeatInfo;
+import ee.buerokratt.ruuter.service.HeartBeatService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+public class HeartBeatController {
+    private final HeartBeatService heartBeatService;
+
+    @GetMapping("/healthz")
+    public HeartBeatInfo get() {
+        return heartBeatService.getData();
+    }
+}

src/main/java/ee/buerokratt/ruuter/domain/HeartBeatInfo.java

@@ -0,0 +1,14 @@
+package ee.buerokratt.ruuter.domain;
+
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class HeartBeatInfo {
+    private String appName;
+    private String version;
+    private long packagingTime;
+    private long appStartTime;
+    private long serverTime;
+}

src/main/java/ee/buerokratt/ruuter/service/HeartBeatService.java

@@ -0,0 +1,53 @@
+package ee.buerokratt.ruuter.service;
+
+import ee.buerokratt.ruuter.configuration.ApplicationProperties;
+import ee.buerokratt.ruuter.configuration.PackageVersionConfiguration;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import ee.buerokratt.ruuter.configuration.PackageInfoConfiguration;
+import ee.buerokratt.ruuter.domain.HeartBeatInfo;
+
+import java.util.Properties;
+
+@Slf4j
+@Service
+public class HeartBeatService {
+
+    private final ServerInfoService serverInfoService;
+
+    private final PackageInfoConfiguration packageInfoConfiguration;
+
+    private final PackageVersionConfiguration packageVersionConfiguration;
+
+    private String version;
+
+    public HeartBeatService(ServerInfoService serverInfoService,
+                            PackageInfoConfiguration packageInfoConfiguration,
+                            PackageVersionConfiguration packageVersionConfiguration) {
+        this.serverInfoService = serverInfoService;
+        this.packageInfoConfiguration = packageInfoConfiguration;
+        this.packageVersionConfiguration = packageVersionConfiguration;
+    }
+
+    private String getVersion() {
+        if (version == null)
+            version =   packageVersionConfiguration.getRelease() + "-" +
+                packageVersionConfiguration.getVersion() + "." +
+                packageVersionConfiguration.getBuild() + "." +
+                packageVersionConfiguration.getFix();
+        return version;
+    }
+
+
+    public HeartBeatInfo getData() {
+        return HeartBeatInfo.builder()
+                .appName(packageInfoConfiguration.getAppName())
+                .packagingTime(packageVersionConfiguration.getBuildTime())
+                .version(getVersion())
+                .appStartTime(serverInfoService.getStartupTime())
+                .serverTime(serverInfoService.getServerTime())
+                .build();
+    }
+
+}

src/main/java/ee/buerokratt/ruuter/service/ServerInfoService.java

@@ -0,0 +1,24 @@
+package ee.buerokratt.ruuter.service;
+
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+
+@Slf4j
+@Service
+public class ServerInfoService {
+
+    @Getter
+    private final long startupTime;
+
+    public ServerInfoService() {
+        this.startupTime = new Date().getTime();
+    }
+
+    public long getServerTime() {
+        return new Date().getTime();
+    }
+
+}

src/main/resources/heartbeat.properties

@@ -0,0 +1,3 @@
+app.name=ruuter
+app.version=1.0
+app.packaging.time=1702552914000