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com.google.gerrit.server.project.ProjectCreator Maven / Gradle / Ivy
// Copyright (C) 2018 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.project;
import com.google.common.base.MoreObjects;
import com.google.common.flogger.FluentLogger;
import com.google.gerrit.common.data.AccessSection;
import com.google.gerrit.common.data.GroupDescription;
import com.google.gerrit.common.data.GroupReference;
import com.google.gerrit.common.data.Permission;
import com.google.gerrit.common.data.PermissionRule;
import com.google.gerrit.entities.AccountGroup;
import com.google.gerrit.entities.BooleanProjectConfig;
import com.google.gerrit.entities.Project;
import com.google.gerrit.entities.RefNames;
import com.google.gerrit.extensions.events.NewProjectCreatedListener;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.server.GerritPersonIdent;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.GroupBackend;
import com.google.gerrit.server.config.RepositoryConfig;
import com.google.gerrit.server.extensions.events.AbstractNoNotifyEvent;
import com.google.gerrit.server.extensions.events.GitReferenceUpdated;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.RepositoryCaseMismatchException;
import com.google.gerrit.server.git.meta.MetaDataUpdate;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.io.IOException;
import java.util.List;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.CommitBuilder;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.lib.RefUpdate.Result;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.ReceiveCommand;
public class ProjectCreator {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final GitRepositoryManager repoManager;
private final PluginSetContext createdListeners;
private final ProjectCache projectCache;
private final GroupBackend groupBackend;
private final MetaDataUpdate.User metaDataUpdateFactory;
private final GitReferenceUpdated referenceUpdated;
private final RepositoryConfig repositoryCfg;
private final Provider serverIdent;
private final Provider identifiedUser;
private final ProjectConfig.Factory projectConfigFactory;
@Inject
ProjectCreator(
GitRepositoryManager repoManager,
PluginSetContext createdListeners,
ProjectCache projectCache,
GroupBackend groupBackend,
MetaDataUpdate.User metaDataUpdateFactory,
GitReferenceUpdated referenceUpdated,
RepositoryConfig repositoryCfg,
@GerritPersonIdent Provider serverIdent,
Provider identifiedUser,
ProjectConfig.Factory projectConfigFactory) {
this.repoManager = repoManager;
this.createdListeners = createdListeners;
this.projectCache = projectCache;
this.groupBackend = groupBackend;
this.metaDataUpdateFactory = metaDataUpdateFactory;
this.referenceUpdated = referenceUpdated;
this.repositoryCfg = repositoryCfg;
this.serverIdent = serverIdent;
this.identifiedUser = identifiedUser;
this.projectConfigFactory = projectConfigFactory;
}
public ProjectState createProject(CreateProjectArgs args)
throws BadRequestException, ResourceConflictException, IOException, ConfigInvalidException {
final Project.NameKey nameKey = args.getProject();
try {
final String head = args.permissionsOnly ? RefNames.REFS_CONFIG : args.branch.get(0);
try (Repository repo = repoManager.openRepository(nameKey)) {
if (repo.getObjectDatabase().exists()) {
throw new ResourceConflictException("project \"" + nameKey + "\" exists");
}
} catch (RepositoryNotFoundException e) {
// It does not exist, safe to ignore.
}
try (Repository repo = repoManager.createRepository(nameKey)) {
RefUpdate u = repo.updateRef(Constants.HEAD);
u.disableRefLog();
u.link(head);
createProjectConfig(args);
if (!args.permissionsOnly && args.createEmptyCommit) {
createEmptyCommits(repo, nameKey, args.branch);
}
fire(nameKey, head);
return projectCache.get(nameKey);
}
} catch (RepositoryCaseMismatchException e) {
throw new ResourceConflictException(
"Cannot create "
+ nameKey.get()
+ " because the name is already occupied by another project."
+ " The other project has the same name, only spelled in a"
+ " different case.");
} catch (RepositoryNotFoundException badName) {
throw new BadRequestException("invalid project name: " + nameKey);
} catch (ConfigInvalidException e) {
String msg = "Cannot create " + nameKey;
logger.atSevere().withCause(e).log(msg);
throw e;
}
}
private void createProjectConfig(CreateProjectArgs args)
throws IOException, ConfigInvalidException {
try (MetaDataUpdate md = metaDataUpdateFactory.create(args.getProject())) {
ProjectConfig config = projectConfigFactory.read(md);
Project newProject = config.getProject();
newProject.setDescription(args.projectDescription);
newProject.setSubmitType(
MoreObjects.firstNonNull(
args.submitType, repositoryCfg.getDefaultSubmitType(args.getProject())));
newProject.setBooleanConfig(
BooleanProjectConfig.USE_CONTRIBUTOR_AGREEMENTS, args.contributorAgreements);
newProject.setBooleanConfig(BooleanProjectConfig.USE_SIGNED_OFF_BY, args.signedOffBy);
newProject.setBooleanConfig(BooleanProjectConfig.USE_CONTENT_MERGE, args.contentMerge);
newProject.setBooleanConfig(
BooleanProjectConfig.CREATE_NEW_CHANGE_FOR_ALL_NOT_IN_TARGET,
args.newChangeForAllNotInTarget);
newProject.setBooleanConfig(BooleanProjectConfig.REQUIRE_CHANGE_ID, args.changeIdRequired);
newProject.setBooleanConfig(BooleanProjectConfig.REJECT_EMPTY_COMMIT, args.rejectEmptyCommit);
newProject.setMaxObjectSizeLimit(args.maxObjectSizeLimit);
newProject.setBooleanConfig(BooleanProjectConfig.ENABLE_SIGNED_PUSH, args.enableSignedPush);
newProject.setBooleanConfig(BooleanProjectConfig.REQUIRE_SIGNED_PUSH, args.requireSignedPush);
if (args.newParent != null) {
newProject.setParentName(args.newParent);
}
if (!args.ownerIds.isEmpty()) {
AccessSection all = config.getAccessSection(AccessSection.ALL, true);
for (AccountGroup.UUID ownerId : args.ownerIds) {
GroupDescription.Basic g = groupBackend.get(ownerId);
if (g != null) {
GroupReference group = config.resolve(GroupReference.forGroup(g));
all.getPermission(Permission.OWNER, true).add(new PermissionRule(group));
}
}
}
md.setMessage("Created project\n");
config.commit(md);
md.getRepository().setGitwebDescription(args.projectDescription);
}
projectCache.onCreateProject(args.getProject());
}
private void createEmptyCommits(Repository repo, Project.NameKey project, List refs)
throws IOException {
try (ObjectInserter oi = repo.newObjectInserter()) {
CommitBuilder cb = new CommitBuilder();
cb.setTreeId(oi.insert(Constants.OBJ_TREE, new byte[] {}));
cb.setAuthor(metaDataUpdateFactory.getUserPersonIdent());
cb.setCommitter(serverIdent.get());
cb.setMessage("Initial empty repository\n");
ObjectId id = oi.insert(cb);
oi.flush();
for (String ref : refs) {
RefUpdate ru = repo.updateRef(ref);
ru.setNewObjectId(id);
Result result = ru.update();
switch (result) {
case NEW:
referenceUpdated.fire(
project, ru, ReceiveCommand.Type.CREATE, identifiedUser.get().state());
break;
case FAST_FORWARD:
case FORCED:
case IO_FAILURE:
case LOCK_FAILURE:
case NOT_ATTEMPTED:
case NO_CHANGE:
case REJECTED:
case REJECTED_CURRENT_BRANCH:
case RENAMED:
case REJECTED_MISSING_OBJECT:
case REJECTED_OTHER_REASON:
default:
{
throw new IOException(
String.format("Failed to create ref \"%s\": %s", ref, result.name()));
}
}
}
} catch (IOException e) {
logger.atSevere().withCause(e).log("Cannot create empty commit for %s", project.get());
throw e;
}
}
private void fire(Project.NameKey name, String head) {
if (createdListeners.isEmpty()) {
return;
}
ProjectCreator.Event event = new ProjectCreator.Event(name, head);
createdListeners.runEach(l -> l.onNewProjectCreated(event));
}
static class Event extends AbstractNoNotifyEvent implements NewProjectCreatedListener.Event {
private final Project.NameKey name;
private final String head;
Event(Project.NameKey name, String head) {
this.name = name;
this.head = head;
}
@Override
public String getProjectName() {
return name.get();
}
@Override
public String getHeadName() {
return head;
}
}
}
