Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Simplify Init for Elasticsearch
  Refactor reindexProjects in Init to be general
  Avoid auto-reindex of projects during init when unneeded

Change-Id: Ib42a890ab15177803ad0eb20978c4038e11da15f
diff --git a/java/com/google/gerrit/pgm/Init.java b/java/com/google/gerrit/pgm/Init.java
index 3593d8a..4e62a0f 100644
--- a/java/com/google/gerrit/pgm/Init.java
+++ b/java/com/google/gerrit/pgm/Init.java
@@ -22,6 +22,7 @@
 import com.google.gerrit.common.IoUtil;
 import com.google.gerrit.common.PageLinks;
 import com.google.gerrit.common.PluginData;
+import com.google.gerrit.index.SchemaDefinitions;
 import com.google.gerrit.index.project.ProjectSchemaDefinitions;
 import com.google.gerrit.pgm.init.BaseInit;
 import com.google.gerrit.pgm.init.Browser;
@@ -31,6 +32,9 @@
 import com.google.gerrit.server.config.GerritServerConfigModule;
 import com.google.gerrit.server.config.SitePath;
 import com.google.gerrit.server.index.GerritIndexStatus;
+import com.google.gerrit.server.index.account.AccountSchemaDefinitions;
+import com.google.gerrit.server.index.change.ChangeSchemaDefinitions;
+import com.google.gerrit.server.index.group.GroupSchemaDefinitions;
 import com.google.gerrit.server.ioutil.HostPlatform;
 import com.google.gerrit.server.securestore.SecureStoreClassName;
 import com.google.gerrit.server.util.ReplicaUtil;
@@ -89,7 +93,7 @@
 
   @Inject Browser browser;
 
-  private boolean projectsIndexExists;
+  private GerritIndexStatus indexStatus;
 
   public Init() {
     super(new WarDistribution(), null);
@@ -103,7 +107,7 @@
 
   @Override
   protected boolean beforeInit(SiteInit init) throws Exception {
-    projectsIndexExists = new GerritIndexStatus(init.site).exists(ProjectSchemaDefinitions.NAME);
+    indexStatus = new GerritIndexStatus(init.site);
     ErrorLogFile.errorOnlyConsole();
 
     if (!skipPlugins) {
@@ -132,6 +136,12 @@
 
   @Override
   protected void afterInit(SiteRun run) throws Exception {
+    List<SchemaDefinitions<?>> schemaDefs =
+        ImmutableList.of(
+            AccountSchemaDefinitions.INSTANCE,
+            ChangeSchemaDefinitions.INSTANCE,
+            GroupSchemaDefinitions.INSTANCE,
+            ProjectSchemaDefinitions.INSTANCE);
     List<Module> modules = new ArrayList<>();
     modules.add(
         new AbstractModule() {
@@ -146,8 +156,12 @@
         });
     modules.add(new GerritServerConfigModule());
     Guice.createInjector(modules).injectMembers(this);
-    if (!ReplicaUtil.isReplica(run.flags.cfg) && !projectsIndexExists) {
-      reindexProjects();
+    if (!ReplicaUtil.isReplica(run.flags.cfg)) {
+      for (SchemaDefinitions<?> schemaDef : schemaDefs) {
+        if (!indexStatus.exists(schemaDef.getName())) {
+          reindex(schemaDef);
+        }
+      }
     }
     start(run);
   }
@@ -260,8 +274,7 @@
     }
   }
 
-  private void reindexProjects() throws Exception {
-    // Reindex all projects, so that we bootstrap the project index for new installations
+  private void reindex(SchemaDefinitions<?> schemaDef) throws Exception {
     List<String> reindexArgs =
         ImmutableList.of(
             "--site-path",
@@ -269,8 +282,9 @@
             "--threads",
             Integer.toString(1),
             "--index",
-            ProjectSchemaDefinitions.NAME);
-    getConsoleUI().message("Init complete, reindexing projects with:");
+            schemaDef.getName());
+    getConsoleUI()
+        .message(String.format("Init complete, reindexing %s with:", schemaDef.getName()));
     getConsoleUI().message(" reindex " + reindexArgs.stream().collect(joining(" ")));
     Reindex reindexPgm = new Reindex();
     reindexPgm.main(reindexArgs.stream().toArray(String[]::new));
diff --git a/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java b/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
index 38b7e0e..cf349ab 100644
--- a/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
+++ b/javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
@@ -21,7 +21,6 @@
 import com.google.gerrit.testing.ConfigSuite;
 import com.google.inject.Injector;
 import org.eclipse.jgit.lib.Config;
-import org.junit.Before;
 
 public class ElasticReindexIT extends AbstractReindexTests {
 
@@ -39,10 +38,4 @@
   public void configureIndex(Injector injector) {
     createAllIndexes(injector);
   }
-
-  @Before
-  public void reindexFirstSinceElastic() throws Exception {
-    assertServerStartupFails();
-    runGerrit("reindex", "-d", sitePaths.site_path.toString(), "--show-stack-trace");
-  }
 }