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package au.net.causal.maven.plugins.boxdb.db;
import au.net.causal.maven.plugins.boxdb.DependencyUtils;
import au.net.causal.maven.plugins.boxdb.ImageCheckerUtils;
import au.net.causal.maven.plugins.boxdb.db.ImageComponent.ImageStatus;
import au.net.causal.maven.plugins.boxdb.vagrant.BoxDefinition;
import au.net.causal.maven.plugins.boxdb.vagrant.BoxUpdateStatus;
import au.net.causal.maven.plugins.boxdb.vagrant.BoxUpdateStatus.State;
import au.net.causal.maven.plugins.boxdb.vagrant.Vagrant;
import au.net.causal.maven.plugins.boxdb.vagrant.Vagrant.BoxAddOptions;
import au.net.causal.maven.plugins.boxdb.vagrant.Vagrant.BoxListOptions;
import au.net.causal.maven.plugins.boxdb.vagrant.Vagrant.BoxOutdatedOptions;
import au.net.causal.maven.plugins.boxdb.vagrant.VagrantException;
import com.google.common.collect.ImmutableList;
import org.apache.maven.shared.utils.io.FileUtils;
import org.eclipse.aether.resolution.DependencyResolutionException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.time.Duration;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.TimeoutException;
public abstract class VagrantDatabase implements BoxDatabase
{
private final BoxConfiguration boxConfiguration;
private final ProjectConfiguration projectConfiguration;
private final BoxContext context;
private final Vagrant vagrant;
private final Path vagrantDirectory;
private final Path vagrantMainFile;
public VagrantDatabase(BoxConfiguration boxConfiguration, ProjectConfiguration projectConfiguration, BoxContext context,
Vagrant vagrant, Path vagrantDirectory, Path vagrantMainFile)
{
Objects.requireNonNull(boxConfiguration, "boxConfiguration == null");
Objects.requireNonNull(projectConfiguration, "projectConfiguration == null");
Objects.requireNonNull(context, "context == null");
Objects.requireNonNull(vagrant, "vagrant == null");
Objects.requireNonNull(vagrantDirectory, "vagrantDirectory == null");
Objects.requireNonNull(vagrantMainFile, "vagrantMainFile == null");
this.boxConfiguration = boxConfiguration;
this.projectConfiguration = projectConfiguration;
this.context = context;
this.vagrant = vagrant;
this.vagrantDirectory = vagrantDirectory;
this.vagrantMainFile = vagrantMainFile;
}
protected Vagrant getVagrant()
{
return vagrant;
}
protected BoxConfiguration getBoxConfiguration()
{
return boxConfiguration;
}
protected ProjectConfiguration getProjectConfiguration()
{
return projectConfiguration;
}
@Override
public void createAndStart() throws BoxDatabaseException
{
start();
}
protected Vagrant.BoxStatus getVagrantStatus()
throws BoxDatabaseException
{
getContext().getLog().debug("Getting status for " + vagrantDirectory);
Vagrant.StatusOptions options = new Vagrant.StatusOptions(vagrantDirectory, containerName());
configureInstanceOptions(options);
try
{
return vagrant.status(options);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Failed to get Vagrant status: " + e.getMessage(), e);
}
}
@Override
public boolean exists() throws BoxDatabaseException
{
return getVagrantStatus() != Vagrant.BoxStatus.NOT_CREATED;
}
@Override
public boolean isRunning() throws BoxDatabaseException
{
return getVagrantStatus() == Vagrant.BoxStatus.RUNNING;
}
@Override
public String getName()
{
return containerName();
}
@Override
public void start() throws BoxDatabaseException
{
Vagrant.UpOptions options = new Vagrant.UpOptions(vagrantDirectory, containerName());
configureInstanceOptions(options);
try
{
vagrant.up(options);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Failed to start Vagrant: " + e.getMessage(), e);
}
}
@Override
public void stop() throws BoxDatabaseException
{
Vagrant.HaltOptions options = new Vagrant.HaltOptions(vagrantDirectory, containerName());
configureInstanceOptions(options);
try
{
vagrant.halt(options);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Failed to stop Vagrant: " + e.getMessage(), e);
}
}
protected void configureInstanceOptions(Vagrant.InstanceOptions options)
{
configureBaseOptions(options);
options.setBaseDirectory(getVagrantDirectory());
options.setBoxName(containerName());
}
protected void configureBaseOptions(Vagrant.BaseOptions options)
{
options.env("CONTAINERNAME", containerName());
}
@Override
public void delete() throws BoxDatabaseException
{
Vagrant.DestroyOptions options = new Vagrant.DestroyOptions(vagrantDirectory, containerName());
configureInstanceOptions(options);
try
{
vagrant.destroy(options);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Failed to perform Vagrant destroy: " + e.getMessage(), e);
}
//Also delete the Vagrant directory
if (Files.exists(vagrantDirectory))
{
getContext().getLog().info("Deleting Vagrant directory " + vagrantDirectory.toString());
try
{
FileUtils.deleteDirectory(vagrantDirectory.toFile());
}
catch (IOException e)
{
throw new BoxDatabaseException("Failed to delete container directory " + vagrantDirectory.toString() + ": " + e, e);
}
}
}
@Override
public void deleteImage() throws BoxDatabaseException
{
Vagrant.BoxRemoveOptions options = new Vagrant.BoxRemoveOptions(vagrantBoxDefinition());
configureBaseOptions(options);
options.setForce(true);
try
{
vagrant.boxRemove(options);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Failed to remove Vagrant box: " + e.getMessage(), e);
}
}
@Override
public void waitUntilStarted(Duration maxTimeToWait)
throws TimeoutException, BoxDatabaseException
{
DatabaseUtils.waitUntilTcpPortResponding(maxTimeToWait, this, getContext());
}
/**
* @return the name of the container. Defaults to the name given in the configuration.
*/
protected String containerName()
{
return boxConfiguration.getContainerName();
}
protected Path getVagrantDirectory()
{
return vagrantDirectory;
}
protected abstract BoxDefinition vagrantBoxDefinition();
protected BoxContext getContext()
{
return context;
}
@Override
public void prepareImage()
throws BoxDatabaseException
{
//JDBC drivers
try
{
DependencyUtils.resolveDependencies(jdbcDriverInfo().getDependencies(),
getContext().getRepositorySystem(),
getContext().getRepositorySystemSession(),
getContext().getRemoteRepositories());
}
catch (DependencyResolutionException e)
{
throw new BoxDatabaseException("Failed to download dependencies for database: " + e.getMessage(), e);
}
//Check whether we already have local image before trying to fetch
//Using --force would work but would also download the full image every time which we want to avoid
BoxListOptions boxListOptions = new BoxListOptions();
List boxes;
try
{
boxes = getVagrant().boxList(boxListOptions);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Error getting box list: " + e.getMessage(), e);
}
if (boxes.contains(vagrantBoxDefinition()))
getContext().getLog().info("Vagrant box is already downloaded.");
else
{
//The version of the box is hardcoded, so never should have to update it
//Fetch it if needed though using box add - this won't download it again if it is already downloaded
BoxAddOptions boxAddOptions = new BoxAddOptions(vagrantBoxDefinition());
try
{
getVagrant().boxAdd(boxAddOptions);
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Error downloading Vagrant box: " + e.getMessage(), e);
}
}
}
/**
* Checks the update status of a Vagrant image with a hardcoded version. Will never detect an available update since
* the version is hardcoded, but will detect when a remote image goes away.
*
* @return Vagrant image component update state.
*
* @throws BoxDatabaseException if an error occurs.
*/
protected ImageComponent checkVagrantImage()
throws BoxDatabaseException
{
String componentType = "Vagrant image";
String componentName = vagrantBoxDefinition().getName() + ":" + vagrantBoxDefinition().getVersion();
BoxOutdatedOptions outdatedOptions = new BoxOutdatedOptions();
try
{
//Despite having a hardcoded version number, checking for updates will make Vagrant check
//if the box exists at all remotely
//This will allow us to detect if the image disappears one day, provided we have a local copy
//If we don't have a local copy, prepare() will fail when trying to download it so all our bases
//are recovered in regards to detecting a box that has gone missing
List boxUpdateStatuses = getVagrant().boxOutdated(outdatedOptions);
Optional boxStatus =
boxUpdateStatuses.stream().filter(status -> status.getName().equals(vagrantBoxDefinition().getName()) &&
status.getProvider().equals(vagrantBoxDefinition().getProvider()))
.findFirst();
if (boxStatus.isPresent())
{
//These two states mean the box exists remotely
//Don't really care if there's an update version-wise since we hard-code our version
//But that means the box exists remotely
if (boxStatus.get().getState() == State.UP_TO_DATE || boxStatus.get().getState() == State.OUTDATED)
return new ImageComponent(componentType, componentName, ImageStatus.DOWNLOADED);
else //Either NO_VERSION_INFORMATION or ERROR
return new ImageComponent(componentType, componentName, ImageStatus.LOCAL_ONLY, boxStatus.get().getDetail());
}
else
{
//We don't have a local image yet
//Since Vagrant doesn't have the ability to check remote without downloading locally first, we'll skip
//that, assume we can download it and let the prepare() method attempt and succeed/fail
//The whole point of getting downloadable status is to check for the situation where we have
//a local copy but the remote is gone so this should be covered
return new ImageComponent(componentType, componentName, ImageStatus.NOT_DOWNLOADED);
}
}
catch (VagrantException e)
{
throw new BoxDatabaseException("Error reading box update status: " + e.getMessage(), e);
}
}
@Override
public Collection checkImage()
throws BoxDatabaseException
{
ImageComponent jdbcDriverComponent = ImageCheckerUtils.checkImageUsingMavenDependencies("JDBC driver",
getContext(),
jdbcDriverInfo().getDependencies());
ImageComponent dockerDatabaseComponent = checkVagrantImage();
return ImmutableList.of(jdbcDriverComponent, dockerDatabaseComponent);
}
}
