add missing java files

Makefile

@@ -25,6 +25,7 @@ DEST?=build
 export BUILDIN_MODE?=false
 export DEBUG?=false
 export ACCEPTANCE_TESTS_FILE?=${DEST}/app-autoscaler-acceptance-tests-v${VERSION}.tgz
+export DB_HOST=${DB_HOST}
 
 $(shell mkdir -p target)
 $(shell mkdir -p build)
@@ -131,7 +132,6 @@ test-autoscaler-suite: check-db_type init init-db test-certs autoscaler schedule
 	@make -C src/autoscaler testsuite TEST=${TEST} DBURL="${DBURL}" OPTS="${OPTS}"
 
 test-scheduler: check-db_type init init-db test-certs
-	@export DB_HOST=${DB_HOST}; \
 	cd src && mvn test --no-transfer-progress -Dspring.profiles.include=${db_type} && cd ..
 test-changelog: init
 	@make -C src/changelog test

src/scheduler/src/main/java/org/cloudfoundry/autoscaler/scheduler/util/health/EndpointsEnum.java

@@ -0,0 +1,51 @@
+package org.cloudfoundry.autoscaler.scheduler.util.health;
+
+import java.util.Set;
+
+public enum EndpointsEnum {
+  PROMETHEUS("/health/prometheus"),
+  LIVENESS("/health/liveness");
+
+  private final String url;
+
+  EndpointsEnum(String url) {
+    this.url = url;
+  }
+
+  public String getUrl() {
+    return url;
+  }
+
+  public static EndpointsEnum valueOfEndpoint(String url) {
+    for (EndpointsEnum endpoint : values()) {
+      if (endpoint.url.equals(url)) {
+        return endpoint;
+      }
+    }
+    throw new IllegalArgumentException("Enum for " + url);
+  }
+
+  public static boolean isValidEndpoint(String url) {
+    EndpointsEnum endpointsEnum = valueOfEndpoint(url);
+    if (endpointsEnum != null) {
+      return true;
+    }
+    return false;
+  }
+
+  public static boolean configuredEndpointsExists(Set<String> userDefindHealthEndpoints) {
+
+    for (String configuredEndpoint : userDefindHealthEndpoints) {
+      return isValidEndpoint(configuredEndpoint);
+    }
+    return false;
+  }
+
+  public static String displayAllEndpointValues() {
+    String endpointValues = EndpointsEnum.values()[0].getUrl();
+    for (int i = 1; i < EndpointsEnum.values().length; i++) {
+      endpointValues += "," + EndpointsEnum.values()[i].getUrl();
+    }
+    return endpointValues;
+  }
+}

src/scheduler/src/test/java/org/cloudfoundry/autoscaler/scheduler/rest/healthControllerTest/HealthEndpointMixedAuthTest.java

@@ -0,0 +1,58 @@
+package org.cloudfoundry.autoscaler.scheduler.rest.healthControllerTest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.net.MalformedURLException;
+import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
+import org.cloudfoundry.autoscaler.scheduler.conf.HealthServerConfiguration;
+import org.cloudfoundry.autoscaler.scheduler.util.HealthUtils;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+@ActiveProfiles("HealthAuth")
+@TestPropertySource(
+    properties = "scheduler.healthserver.unprotectedEndpoints=" + "/health/liveness")
+public class HealthEndpointMixedAuthTest {
+  @Autowired private TestRestTemplate restTemplate;
+  @Autowired private HealthServerConfiguration healthServerConfig;
+
+  /*
+  // case 2.1 ; config ["/health/liveness"]
+  here is – by configuration – one protected endpoint "/health/prometheus" and one unprotected "/health/liveness".
+  The user is authenticated.
+   The user queries on "/health/prometheus".
+   Expected behaviour: The request will be handled successfully.
+   */
+  @Test
+  public void givenLivenessUnprotectedAndUserIsAuthenticatedShouldReturnPrometheusWith200()
+      throws MalformedURLException, URISyntaxException {
+
+    ResponseEntity<String> prometheusResponse =
+        this.restTemplate
+            .withBasicAuth("prometheus", "someHash")
+            .getForEntity(HealthUtils.prometheusMetricsUrl().toURI(), String.class);
+
+    assertThat(prometheusResponse.getStatusCode().value())
+        .describedAs("Http status code should be OK")
+        .isEqualTo(200);
+    assertThat(prometheusResponse.getHeaders().getContentType())
+        .isEqualTo(new MediaType(MediaType.TEXT_PLAIN, StandardCharsets.UTF_8));
+    assertThat(prometheusResponse.getBody())
+        .contains("autoscaler_scheduler_data_source_initial_size 0.0");
+  }
+}