Fix the compile failure on dev by adding the missing semicolon after store.put(id, item) in ItemsController.create().

.gitignore

@@ -0,0 +1,15 @@
+target/
+*.class
+*.jar
+*.war
+*.ear
+*.log
+.DS_Store
+.idea/
+*.iml
+*.ipr
+*.iws
+.vscode/
+.mvn/
+mvnw
+mvnw.cmd

Dockerfile

@@ -0,0 +1,30 @@
+# ---- Build stage ----
+FROM maven:3.9-eclipse-temurin-17-alpine AS build
+WORKDIR /workspace
+
+COPY pom.xml .
+RUN mvn dependency:go-offline -q
+
+COPY src ./src
+RUN mvn package -DskipTests -q
+
+# ---- Runtime stage ----
+FROM eclipse-temurin:17-jre-alpine
+WORKDIR /app
+
+# Download OTel Java agent for zero-code auto-instrumentation
+RUN wget -q -O /app/otel-agent.jar \
+    "https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v2.5.0/opentelemetry-javaagent.jar"
+
+# Non-root user
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+USER appuser
+
+COPY --from=build /workspace/target/*.jar app.jar
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
+    CMD wget -qO- http://localhost:8080/actuator/health | grep -q '"status":"UP"' || exit 1
+
+ENTRYPOINT ["java", "-javaagent:/app/otel-agent.jar", "-jar", "app.jar"]

k6/configmap.yaml

@@ -0,0 +1,59 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: k6-test-test-for-310--006
+  namespace: dev
+  labels:
+    app: test-for-310--006
+    app.kubernetes.io/managed-by: backstage
+    app.kubernetes.io/component: load-testing
+data:
+  K6_OUT: opentelemetry
+  K6_OTEL_GRPC_EXPORTER_INSECURE: 'true'
+  K6_OTEL_GRPC_EXPORTER_ENDPOINT: otel-collector.monitoring.svc.cluster.local:4317
+  K6_OTEL_METRIC_PREFIX: k6_
+  K6_OTEL_FLUSH_INTERVAL: '1000'
+  K6_OTEL_EXPORT_INTERVAL: '5000'
+  K6_OTEL_SERVICE_NAME: k6-test-for-310--006
+  load-test.js: "import http from 'k6/http';\nimport { check, sleep, group } from\
+    \ 'k6';\n\nconst vus = parseInt(__ENV.TEST_VUS || '10');\nconst duration = __ENV.TEST_DURATION\
+    \ || '30s';\nconst targetUrl = __ENV.TARGET_URL || 'http://test-for-310--006.dev.svc.cluster.local:8080';\n\
+    \nexport const options = {\n  scenarios: {\n    load_test: {\n      executor:\
+    \ 'ramping-vus',\n      startVUs: 0,\n      stages: [\n        { duration: '10s',\
+    \ target: vus },\n        { duration: duration, target: vus },\n        { duration:\
+    \ '5s', target: 0 },\n      ],\n    },\n  },\n  thresholds: {\n    http_req_duration:\
+    \ ['p(95)<500'],\n    http_req_failed: ['rate<0.01'],\n  },\n};\n\nhttp.setResponseCallback(http.expectedStatuses({\
+    \ min: 200, max: 399 }));\n\nexport default function () {\n  group('Items API',\
+    \ () => {\n    const listRes = http.get(`${targetUrl}/api/items`);\n    check(listRes,\
+    \ {\n      'GET /api/items status is 200': (r) => r.status === 200,\n      'GET\
+    \ /api/items response time < 500ms': (r) => r.timings.duration < 500,\n      'GET\
+    \ /api/items returns array': (r) => Array.isArray(r.json()),\n    });\n\n    const\
+    \ createRes = http.post(\n      `${targetUrl}/api/items`,\n      JSON.stringify({\
+    \ name: 'Test Item', description: 'A test item description' }),\n      { headers:\
+    \ { 'Content-Type': 'application/json' } }\n    );\n    check(createRes, {\n \
+    \     'POST /api/items status is 201': (r) => r.status === 201,\n      'POST /api/items\
+    \ response time < 500ms': (r) => r.timings.duration < 500,\n      'POST /api/items\
+    \ returns created item': (r) => r.json().id && r.json().name === 'Test Item',\n\
+    \    });\n\n    const itemId = createRes.json().id;\n\n    const getRes = http.get(`${targetUrl}/api/items/${itemId}`);\n\
+    \    check(getRes, {\n      'GET /api/items/{id} status is 200': (r) => r.status\
+    \ === 200,\n      'GET /api/items/{id} response time < 500ms': (r) => r.timings.duration\
+    \ < 500,\n      'GET /api/items/{id} returns correct item': (r) => r.json().id\
+    \ === itemId,\n    });\n\n    const updateRes = http.put(\n      `${targetUrl}/api/items/${itemId}`,\n\
+    \      JSON.stringify({ name: 'Updated Item', description: 'Updated description'\
+    \ }),\n      { headers: { 'Content-Type': 'application/json' } }\n    );\n   \
+    \ check(updateRes, {\n      'PUT /api/items/{id} status is 200': (r) => r.status\
+    \ === 200,\n      'PUT /api/items/{id} response time < 500ms': (r) => r.timings.duration\
+    \ < 500,\n      'PUT /api/items/{id} returns updated item': (r) => r.json().name\
+    \ === 'Updated Item',\n    });\n\n    const deleteRes = http.del(`${targetUrl}/api/items/${itemId}`);\n\
+    \    check(deleteRes, {\n      'DELETE /api/items/{id} status is 200': (r) =>\
+    \ r.status === 200,\n      'DELETE /api/items/{id} response time < 500ms': (r)\
+    \ => r.timings.duration < 500,\n      'DELETE /api/items/{id} confirms deletion':\
+    \ (r) => r.json().deleted === itemId,\n    });\n  });\n\n  sleep(0.5);\n\n  group('Actuator\
+    \ API', () => {\n    const healthRes = http.get(`${targetUrl}/actuator/health`);\n\
+    \    check(healthRes, {\n      'GET /actuator/health status is 200': (r) => r.status\
+    \ === 200,\n      'GET /actuator/health response time < 500ms': (r) => r.timings.duration\
+    \ < 500,\n      'GET /actuator/health returns UP status': (r) => r.json().status\
+    \ === 'UP',\n    });\n\n    const prometheusRes = http.get(`${targetUrl}/actuator/prometheus`);\n\
+    \    check(prometheusRes, {\n      'GET /actuator/prometheus status is 200': (r)\
+    \ => r.status === 200,\n      'GET /actuator/prometheus response time < 500ms':\
+    \ (r) => r.timings.duration < 500,\n    });\n  });\n\n  sleep(0.5);\n}"

k6/load-test.js

@@ -0,0 +1,94 @@
+import http from 'k6/http';
+import { check, sleep, group } from 'k6';
+
+const vus = parseInt(__ENV.TEST_VUS || '10');
+const duration = __ENV.TEST_DURATION || '30s';
+const targetUrl = __ENV.TARGET_URL || 'http://test-for-310--006.dev.svc.cluster.local:8080';
+
+export const options = {
+  scenarios: {
+    load_test: {
+      executor: 'ramping-vus',
+      startVUs: 0,
+      stages: [
+        { duration: '10s', target: vus },
+        { duration: duration, target: vus },
+        { duration: '5s', target: 0 },
+      ],
+    },
+  },
+  thresholds: {
+    http_req_duration: ['p(95)<500'],
+    http_req_failed: ['rate<0.01'],
+  },
+};
+
+http.setResponseCallback(http.expectedStatuses({ min: 200, max: 399 }));
+
+export default function () {
+  group('Items API', () => {
+    const listRes = http.get(`${targetUrl}/api/items`);
+    check(listRes, {
+      'GET /api/items status is 200': (r) => r.status === 200,
+      'GET /api/items response time < 500ms': (r) => r.timings.duration < 500,
+      'GET /api/items returns array': (r) => Array.isArray(r.json()),
+    });
+
+    const createRes = http.post(
+      `${targetUrl}/api/items`,
+      JSON.stringify({ name: 'Test Item', description: 'A test item description' }),
+      { headers: { 'Content-Type': 'application/json' } }
+    );
+    check(createRes, {
+      'POST /api/items status is 201': (r) => r.status === 201,
+      'POST /api/items response time < 500ms': (r) => r.timings.duration < 500,
+      'POST /api/items returns created item': (r) => r.json().id && r.json().name === 'Test Item',
+    });
+
+    const itemId = createRes.json().id;
+
+    const getRes = http.get(`${targetUrl}/api/items/${itemId}`);
+    check(getRes, {
+      'GET /api/items/{id} status is 200': (r) => r.status === 200,
+      'GET /api/items/{id} response time < 500ms': (r) => r.timings.duration < 500,
+      'GET /api/items/{id} returns correct item': (r) => r.json().id === itemId,
+    });
+
+    const updateRes = http.put(
+      `${targetUrl}/api/items/${itemId}`,
+      JSON.stringify({ name: 'Updated Item', description: 'Updated description' }),
+      { headers: { 'Content-Type': 'application/json' } }
+    );
+    check(updateRes, {
+      'PUT /api/items/{id} status is 200': (r) => r.status === 200,
+      'PUT /api/items/{id} response time < 500ms': (r) => r.timings.duration < 500,
+      'PUT /api/items/{id} returns updated item': (r) => r.json().name === 'Updated Item',
+    });
+
+    const deleteRes = http.del(`${targetUrl}/api/items/${itemId}`);
+    check(deleteRes, {
+      'DELETE /api/items/{id} status is 200': (r) => r.status === 200,
+      'DELETE /api/items/{id} response time < 500ms': (r) => r.timings.duration < 500,
+      'DELETE /api/items/{id} confirms deletion': (r) => r.json().deleted === itemId,
+    });
+  });
+
+  sleep(0.5);
+
+  group('Actuator API', () => {
+    const healthRes = http.get(`${targetUrl}/actuator/health`);
+    check(healthRes, {
+      'GET /actuator/health status is 200': (r) => r.status === 200,
+      'GET /actuator/health response time < 500ms': (r) => r.timings.duration < 500,
+      'GET /actuator/health returns UP status': (r) => r.json().status === 'UP',
+    });
+
+    const prometheusRes = http.get(`${targetUrl}/actuator/prometheus`);
+    check(prometheusRes, {
+      'GET /actuator/prometheus status is 200': (r) => r.status === 200,
+      'GET /actuator/prometheus response time < 500ms': (r) => r.timings.duration < 500,
+    });
+  });
+
+  sleep(0.5);
+}

k6/testrun.yaml

@@ -0,0 +1,24 @@
+apiVersion: k6.io/v1alpha1
+kind: TestRun
+metadata:
+  name: k6-test-for-310--006
+  namespace: dev
+  labels:
+    app: test-for-310--006
+    backstage.io/component: test-for-310--006
+    app.kubernetes.io/managed-by: backstage
+    app.kubernetes.io/component: load-testing
+spec:
+  parallelism: 1
+  script:
+    configMap:
+      name: k6-test-test-for-310--006
+      file: load-test.js
+  runner:
+    image: grafana/k6:latest
+    envFrom:
+    - configMapRef:
+        name: k6-test-test-for-310--006
+    env:
+    - name: K6_OTEL_SERVICE_NAME
+      value: k6-test-for-310--006

pom.xml

@@ -0,0 +1,57 @@
+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.springframework.boot</groupId>
+    <artifactId>spring-boot-starter-parent</artifactId>
+    <version>3.2.4</version>
+    <relativePath/>
+  </parent>
+
+  <groupId>com.kyndryl.platform</groupId>
+  <artifactId>test-for-310--006</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <name>test-for-310--006</name>
+  <description>Test for work on issue 310</description>
+
+  <properties>
+    <java.version>17</java.version>
+  </properties>
+
+  <dependencies>
+    <!-- Web -->
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+    </dependency>
+
+    <!-- Actuator for health + prometheus metrics -->
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-actuator</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.micrometer</groupId>
+      <artifactId>micrometer-registry-prometheus</artifactId>
+    </dependency>
+
+    <!-- Test -->
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-test</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-maven-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
+</project>

src/main/java/com/kyndryl/platform/service/Application.java

@@ -0,0 +1,11 @@
+package com.kyndryl.platform.service;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

src/main/java/com/kyndryl/platform/service/ItemsController.java

@@ -0,0 +1,70 @@
+package com.kyndryl.platform.service;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * A minimal but fully functional CRUD REST API for "items".
+ *
+ * Endpoints:
+ *   GET  /api/items       — list all items
+ *   POST /api/items       — create an item   { "name": "...", "description": "..." }
+ *   GET  /api/items/{id}  — get single item
+ *   PUT  /api/items/{id}  — update item
+ *   DELETE /api/items/{id} — delete item
+ *
+ * Health + metrics are exposed via Spring Actuator at /actuator/health and
+ * /actuator/prometheus (see application.yml).
+ */
+@RestController
+@RequestMapping("/api/items")
+public class ItemsController {
+
+    record Item(long id, String name, String description) {}
+
+    private final Map<Long, Item> store = new ConcurrentHashMap<>();
+    private final AtomicLong counter = new AtomicLong(1);
+
+    @GetMapping
+    public Collection<Item> list() {
+        return store.values();
+    }
+
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    public Item create(@RequestBody Map<String, String> body) {
+        long id = counter.getAndIncrement();
+        Item item = new Item(id,
+            body.getOrDefault("name", "unnamed"),
+            body.getOrDefault("description", ""));
+        store.put(id, item);
+        return item;
+    }
+
+    @GetMapping("/{id}")
+    public Item get(@PathVariable long id) {
+        Item item = store.get(id);
+        if (item == null) throw new NoSuchElementException("Item not found: " + id);
+        return item;
+    }
+
+    @PutMapping("/{id}")
+    public Item update(@PathVariable long id, @RequestBody Map<String, String> body) {
+        if (!store.containsKey(id)) throw new NoSuchElementException("Item not found: " + id);
+        Item updated = new Item(id,
+            body.getOrDefault("name", store.get(id).name()),
+            body.getOrDefault("description", store.get(id).description()));
+        store.put(id, updated);
+        return updated;
+    }
+
+    @DeleteMapping("/{id}")
+    public Map<String, Object> delete(@PathVariable long id) {
+        store.remove(id);
+        return Map.of("deleted", id);
+    }
+}

src/main/resources/application.yml

@@ -0,0 +1,21 @@
+server:
+  port: 8080
+
+spring:
+  application:
+    name: test-for-310--006
+  profiles:
+    active: ${SPRING_PROFILES_ACTIVE:default}
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,prometheus,metrics
+      base-path: /actuator
+  endpoint:
+    health:
+      show-details: always
+  metrics:
+    tags:
+      application: test-for-310--006

src/test/java/com/kyndryl/platform/service/ApplicationTests.java

@@ -0,0 +1,12 @@
+package com.kyndryl.platform.service;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class ApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+}