SONAR-9939 Don't refresh update center on edition preview

3 files changed, 8 insertions, 2 deletions

diff --git a/server/sonar-server/src/main/java/org/sonar/server/edition/ws/PreviewAction.java b/server/sonar-server/src/main/java/org/sonar/server/edition/ws/PreviewAction.java
index e5de17fa81a..399d0fc311d 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/edition/ws/PreviewAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/edition/ws/PreviewAction.java
@@ -93,6 +93,8 @@ public class PreviewAction implements EditionsWsAction {
   private NextState computeNextState(License newLicense) {
     if (!editionInstaller.requiresInstallationChange(newLicense.getPluginKeys())) {
       return new NextState(newLicense.getEditionKey(), NO_INSTALL);
+      // this won't refresh the update center (uses cached state). Preview is called while typing (must be fast)
+      // and anyway the status is refreshed when arriving at the marketplace page.
     } else if (editionInstaller.isOffline()) {
       return new NextState(newLicense.getEditionKey(), MANUAL_INSTALL);
     } else {
diff --git a/server/sonar-server/src/main/java/org/sonar/server/plugins/edition/EditionInstaller.java b/server/sonar-server/src/main/java/org/sonar/server/plugins/edition/EditionInstaller.java
index f72e157ee45..5fac04557c2 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/plugins/edition/EditionInstaller.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/plugins/edition/EditionInstaller.java
@@ -82,8 +82,12 @@ public class EditionInstaller {
     uninstallPlugins(pluginsToRemove);
   }
 
+  /**
+   * Check if the update center is disabled or unreachable. It uses the cached status (it doesn't refresh),
+   * to be a cost-free check.
+   */
   public boolean isOffline() {
-    return !updateCenterMatrixFactory.getUpdateCenter(true).isPresent();
+    return !updateCenterMatrixFactory.getUpdateCenter(false).isPresent();
   }
 
   public boolean requiresInstallationChange(Set<String> editionPluginKeys) {
diff --git a/server/sonar-server/src/test/java/org/sonar/server/plugins/edition/EditionInstallerTest.java b/server/sonar-server/src/test/java/org/sonar/server/plugins/edition/EditionInstallerTest.java
index e4c0603642f..b897d1b131f 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/plugins/edition/EditionInstallerTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/plugins/edition/EditionInstallerTest.java
@@ -122,7 +122,7 @@ public class EditionInstallerTest {
 
   @Test
   public void is_offline() {
-    when(updateCenterMatrixFactory.getUpdateCenter(true)).thenReturn(Optional.absent());
+    when(updateCenterMatrixFactory.getUpdateCenter(false)).thenReturn(Optional.absent());
     assertThat(installer.isOffline()).isTrue();
   }