MSONAR-204 "SonarQube version" shouldn't be displayed when communicat…

…ing with SonarCloud

src/main/java/org/sonarsource/scanner/maven/bootstrap/MavenProjectConverter.java

@@ -141,6 +141,10 @@ public boolean isSourceDirsOverridden() {
     return sourceDirsIsOverridden;
   }
 
+  public Properties getEnvProperties() {
+    return new Properties(envProperties);
+  }
+
   Map<String, String> configure(List<MavenProject> mavenProjects, MavenProject root, Properties userProperties) throws MojoExecutionException {
     this.userProperties = userProperties;
     this.specifiedProjectKey = specifiedProjectKey(userProperties, root);
@@ -545,8 +549,7 @@ private List<File> sourcePaths(MavenProject pom, String propertyKey, Collection<
     boolean userDefined = false;
 
 
-    String prop = StringUtils.defaultIfEmpty(userProperties.getProperty(propertyKey), envProperties.getProperty(propertyKey));
-    prop = StringUtils.defaultIfEmpty(prop, pom.getProperties().getProperty(propertyKey));
+    String prop = getPropertyByKey(propertyKey, pom);
 
     if (prop != null) {
       List<String> paths = Arrays.asList(StringUtils.split(prop, ","));
@@ -568,6 +571,16 @@ private List<File> sourcePaths(MavenProject pom, String propertyKey, Collection<
     }
   }
 
+  private String getPropertyByKey(String propertyKey, MavenProject pom) {
+    return getPropertyByKey(propertyKey, pom, userProperties, envProperties);
+  }
+
+  public static String getPropertyByKey(String propertyKey, MavenProject pom, Properties userProperties, Properties envProperties) {
+    String prop = StringUtils.defaultIfEmpty(userProperties.getProperty(propertyKey), envProperties.getProperty(propertyKey));
+    prop = StringUtils.defaultIfEmpty(prop, pom.getProperties().getProperty(propertyKey));
+    return prop;
+  }
+
   private static List<File> existingPathsOrFail(List<File> dirs, MavenProject pom, String propertyKey)
     throws MojoExecutionException {
     for (File dir : dirs) {

src/main/java/org/sonarsource/scanner/maven/bootstrap/ScannerBootstrapper.java

@@ -20,30 +20,37 @@
 package org.sonarsource.scanner.maven.bootstrap;
 
 import com.google.common.annotations.VisibleForTesting;
+
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Properties;
 import java.util.Set;
 import java.util.stream.Collectors;
+
 import org.apache.maven.artifact.versioning.ComparableVersion;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.logging.Log;
 import org.apache.maven.project.MavenProject;
 import org.sonarsource.scanner.api.EmbeddedScanner;
 import org.sonarsource.scanner.api.ScanProperties;
+import org.sonarsource.scanner.api.ScannerProperties;
+
+import static org.sonarsource.scanner.maven.bootstrap.MavenProjectConverter.getPropertyByKey;
 
 /**
  * Configure properties and bootstrap using SonarQube scanner API
  */
 public class ScannerBootstrapper {
 
   static final String UNSUPPORTED_BELOW_SONARQUBE_56_MESSAGE = "With SonarQube server prior to 5.6, use sonar-maven-plugin <= 3.3";
+  private static final String SONARCLOUD_HOST_URL = "https://sonarcloud.io";
 
   private final Log log;
   private final MavenSession session;
@@ -65,7 +72,15 @@ public void execute() throws MojoExecutionException {
       scanner.start();
       serverVersion = scanner.serverVersion();
 
-      checkSQVersion();
+      if (isSonarCloudUsed()) {
+        log.info("Communicating with SonarCloud");
+      } else {
+        if (serverVersion != null) {
+          log.info("Communicating with SonarQube Server " + serverVersion);
+        }
+        checkSQVersion();
+      }
+
 
       if (log.isDebugEnabled()) {
         scanner.setGlobalProperty("sonar.verbose", "true");
@@ -77,6 +92,20 @@ public void execute() throws MojoExecutionException {
     }
   }
 
+
+  // TODO remove this workaround when discovering if the sevrer is SC or SQ is available through the API
+  private boolean isSonarCloudUsed() {
+    return session.getProjects().stream()
+      // We can use EnvProperties from MavenProjectConverter as they are initialized at construction time,
+      // but we can't use UserProperties from the MavenProjectConverter as they are only initialized
+      // in the "collectProperties" method.
+      .map(project ->
+        getPropertyByKey(ScannerProperties.HOST_URL, project, session.getUserProperties(), mavenProjectConverter.getEnvProperties())
+      )
+      .filter(Objects::nonNull)
+      .anyMatch(hostUrl -> hostUrl.startsWith(SONARCLOUD_HOST_URL));
+  }
+
   @VisibleForTesting
   Map<String, String> collectProperties()
     throws MojoExecutionException {
@@ -143,10 +172,6 @@ private void collectAllSources(Map<String, String> props) {
   }
 
   private void checkSQVersion() {
-    if (serverVersion != null) {
-      log.info("SonarQube version: " + serverVersion);
-    }
-
     if (isVersionPriorTo("5.6")) {
       throw new UnsupportedOperationException(UNSUPPORTED_BELOW_SONARQUBE_56_MESSAGE);
     }

src/test/java/org/sonarsource/scanner/maven/bootstrap/ScannerBootstrapperTest.java

@@ -105,6 +105,8 @@ public void setUp()
 
 
     when(mavenProjectConverter.configure(any(), any(), any())).thenReturn(projectProperties);
+    when(mavenProjectConverter.getEnvProperties()).thenReturn(new Properties());
+    when(rootProject.getProperties()).thenReturn(new Properties());
 
     when(scanner.mask(anyString())).thenReturn(scanner);
     when(scanner.unmask(anyString())).thenReturn(scanner);
@@ -249,6 +251,28 @@ void can_collect_sources_with_commas_in_paths() throws MojoExecutionException, I
     assertThat(values).hasSize(4);
   }
 
+  @Test
+  void test_logging_SQ_version() throws MojoExecutionException {
+    when(scanner.serverVersion()).thenReturn("10.5");
+    scannerBootstrapper.execute();
+
+    verify(log).info("Communicating with SonarQube Server 10.5");
+  }
+
+  @Test
+  void test_not_logging_the_version_when_sonarcloud_is_used() throws MojoExecutionException {
+    // if SC is the server this property value should be ignored
+    when(scanner.serverVersion()).thenReturn("8.0");
+
+    Properties withSonarCloudHost = new Properties();
+    withSonarCloudHost.put("sonar.host.url", "https://sonarcloud.io");
+    when(session.getUserProperties()).thenReturn(withSonarCloudHost);
+    scannerBootstrapper.execute();
+
+    verify(log).info("Communicating with SonarCloud");
+    verify(log, never()).info("Communicating with SonarQube Server 8.0");
+  }
+
   private void verifyCommonCalls() {
     verify(scanner).start();
     verify(scanner).serverVersion();