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com.google.gerrit.server.project.PerformCreateProject Maven / Gradle / Ivy
// Copyright (C) 2011 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.gerrit.common.ProjectUtil;
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.common.errors.ProjectCreationFailedException;
import com.google.gerrit.extensions.client.SubmitType;
import com.google.gerrit.extensions.events.NewProjectCreatedListener;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.reviewdb.client.RefNames;
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.GerritServerConfig;
import com.google.gerrit.server.config.ProjectOwnerGroups;
import com.google.gerrit.server.extensions.events.GitReferenceUpdated;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.MetaDataUpdate;
import com.google.gerrit.server.git.ProjectConfig;
import com.google.gerrit.server.git.RepositoryCaseMismatchException;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.CommitBuilder;
import org.eclipse.jgit.lib.Config;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
/** Common class that holds the code to create projects */
public class PerformCreateProject {
private static final Logger log = LoggerFactory
.getLogger(PerformCreateProject.class);
public interface Factory {
PerformCreateProject create(CreateProjectArgs createProjectArgs);
}
private final Config cfg;
private final Set projectOwnerGroups;
private final IdentifiedUser currentUser;
private final GitRepositoryManager repoManager;
private final GitReferenceUpdated referenceUpdated;
private final DynamicSet createdListener;
private final PersonIdent serverIdent;
private final CreateProjectArgs createProjectArgs;
private final ProjectCache projectCache;
private final GroupBackend groupBackend;
private final MetaDataUpdate.User metaDataUpdateFactory;
@Inject
PerformCreateProject(@GerritServerConfig Config cfg,
@ProjectOwnerGroups Set pOwnerGroups,
IdentifiedUser identifiedUser, GitRepositoryManager gitRepoManager,
GitReferenceUpdated referenceUpdated,
DynamicSet createdListener,
@GerritPersonIdent PersonIdent personIdent, GroupBackend groupBackend,
MetaDataUpdate.User metaDataUpdateFactory,
@Assisted CreateProjectArgs createPArgs, ProjectCache pCache) {
this.cfg = cfg;
this.projectOwnerGroups = pOwnerGroups;
this.currentUser = identifiedUser;
this.repoManager = gitRepoManager;
this.referenceUpdated = referenceUpdated;
this.createdListener = createdListener;
this.serverIdent = personIdent;
this.createProjectArgs = createPArgs;
this.projectCache = pCache;
this.groupBackend = groupBackend;
this.metaDataUpdateFactory = metaDataUpdateFactory;
}
public Project createProject() throws ProjectCreationFailedException {
validateParameters();
final Project.NameKey nameKey = createProjectArgs.getProject();
try {
final String head =
createProjectArgs.permissionsOnly ? RefNames.REFS_CONFIG
: createProjectArgs.branch.get(0);
final Repository repo = repoManager.createRepository(nameKey);
try {
NewProjectCreatedListener.Event event = new NewProjectCreatedListener.Event() {
@Override
public String getProjectName() {
return nameKey.get();
}
@Override
public String getHeadName() {
return head;
}
};
for (NewProjectCreatedListener l : createdListener) {
try {
l.onNewProjectCreated(event);
} catch (RuntimeException e) {
log.warn("Failure in NewProjectCreatedListener", e);
}
}
final RefUpdate u = repo.updateRef(Constants.HEAD);
u.disableRefLog();
u.link(head);
createProjectConfig();
if (!createProjectArgs.permissionsOnly
&& createProjectArgs.createEmptyCommit) {
createEmptyCommits(repo, nameKey, createProjectArgs.branch);
}
return projectCache.get(nameKey).getProject();
} finally {
repo.close();
}
} catch (RepositoryCaseMismatchException e) {
throw new ProjectCreationFailedException("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.", e);
} catch (RepositoryNotFoundException badName) {
throw new ProjectCreationFailedException("Cannot create " + nameKey, badName);
} catch (IllegalStateException err) {
try {
final Repository repo = repoManager.openRepository(nameKey);
try {
if (repo.getObjectDatabase().exists()) {
throw new ProjectCreationFailedException("project \"" + nameKey + "\" exists");
}
throw err;
} finally {
repo.close();
}
} catch (IOException ioErr) {
final String msg = "Cannot create " + nameKey;
log.error(msg, err);
throw new ProjectCreationFailedException(msg, ioErr);
}
} catch (Exception e) {
final String msg = "Cannot create " + nameKey;
log.error(msg, e);
throw new ProjectCreationFailedException(msg, e);
}
}
private void createProjectConfig() throws IOException, ConfigInvalidException {
final MetaDataUpdate md =
metaDataUpdateFactory.create(createProjectArgs.getProject());
try {
final ProjectConfig config = ProjectConfig.read(md);
config.load(md);
Project newProject = config.getProject();
newProject.setDescription(createProjectArgs.projectDescription);
newProject.setSubmitType(MoreObjects.firstNonNull(createProjectArgs.submitType,
cfg.getEnum("repository", "*", "defaultSubmitType", SubmitType.MERGE_IF_NECESSARY)));
newProject
.setUseContributorAgreements(createProjectArgs.contributorAgreements);
newProject.setUseSignedOffBy(createProjectArgs.signedOffBy);
newProject.setUseContentMerge(createProjectArgs.contentMerge);
newProject.setCreateNewChangeForAllNotInTarget(createProjectArgs.newChangeForAllNotInTarget);
newProject.setRequireChangeID(createProjectArgs.changeIdRequired);
newProject.setMaxObjectSizeLimit(createProjectArgs.maxObjectSizeLimit);
if (createProjectArgs.newParent != null) {
newProject.setParentName(createProjectArgs.newParent.getProject()
.getNameKey());
}
if (!createProjectArgs.ownerIds.isEmpty()) {
final AccessSection all =
config.getAccessSection(AccessSection.ALL, true);
for (AccountGroup.UUID ownerId : createProjectArgs.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);
} finally {
md.close();
}
projectCache.onCreateProject(createProjectArgs.getProject());
repoManager.setProjectDescription(createProjectArgs.getProject(),
createProjectArgs.projectDescription);
}
private void validateParameters() throws ProjectCreationFailedException {
if (createProjectArgs.getProjectName() == null
|| createProjectArgs.getProjectName().isEmpty()) {
throw new ProjectCreationFailedException("Project name is required");
}
String nameWithoutSuffix = ProjectUtil.stripGitSuffix(createProjectArgs.getProjectName());
createProjectArgs.setProjectName(nameWithoutSuffix);
if (!currentUser.getCapabilities().canCreateProject()) {
throw new ProjectCreationFailedException(String.format(
"%s does not have \"Create Project\" capability.",
currentUser.getUserName()));
}
if (createProjectArgs.ownerIds == null
|| createProjectArgs.ownerIds.isEmpty()) {
createProjectArgs.ownerIds = new ArrayList<>(projectOwnerGroups);
}
List transformedBranches = new ArrayList<>();
if (createProjectArgs.branch == null ||
createProjectArgs.branch.isEmpty()) {
createProjectArgs.branch = Collections.singletonList(Constants.MASTER);
}
for (String branch : createProjectArgs.branch) {
while (branch.startsWith("/")) {
branch = branch.substring(1);
}
if (!branch.startsWith(Constants.R_HEADS)) {
branch = Constants.R_HEADS + branch;
}
if (!Repository.isValidRefName(branch)) {
throw new ProjectCreationFailedException(String.format(
"Branch \"%s\" is not a valid name.", branch));
}
if (!transformedBranches.contains(branch)) {
transformedBranches.add(branch);
}
}
createProjectArgs.branch = transformedBranches;
}
private void createEmptyCommits(final Repository repo,
final Project.NameKey project, final 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);
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);
final Result result = ru.update();
switch (result) {
case NEW:
referenceUpdated.fire(project, ru);
break;
default: {
throw new IOException(String.format(
"Failed to create ref \"%s\": %s", ref, result.name()));
}
}
}
} catch (IOException e) {
log.error(
"Cannot create empty commit for "
+ createProjectArgs.getProjectName(), e);
throw e;
}
}
}
