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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.hosted.plugin;
import ai.vespa.hosted.api.ControllerHttpClient;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.yolean.Exceptions;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Stream;
import static java.util.stream.Collectors.joining;
/**
* Base class for hosted Vespa plugin mojos.
*
* @author jonmv
*/
public abstract class AbstractVespaMojo extends AbstractMojo {
@Parameter(defaultValue = "${project}", readonly = true)
protected MavenProject project;
@Parameter(property = "endpoint", defaultValue = "https://api.vespa-external.aws.oath.cloud:4443")
protected String endpoint;
@Parameter(property = "tenant")
protected String tenant;
@Parameter(property = "application")
protected String application;
@Parameter(property = "instance")
protected String instance;
@Parameter(property = "tags")
protected String tags;
@Parameter(property = "apiKey")
protected String apiKey;
@Parameter(property = "apiKeyFile")
protected String apiKeyFile;
@Parameter(property = "apiCertificateFile")
protected String apiCertificateFile;
// Fields set up as part of setup().
protected ApplicationId id;
protected ControllerHttpClient controller;
protected boolean requireInstance() { return false; }
@Override
public final void execute() throws MojoExecutionException, MojoFailureException {
try {
setup();
doExecute();
}
catch (MojoFailureException | MojoExecutionException e) {
throw e;
}
catch (Exception e) {
String message = "Execution failed for application " + name() + ":\n" + Exceptions.toMessageString(e);
if (e.getSuppressed().length > 0)
message += "\nSuppressed:\n" + Stream.of(e.getSuppressed()).map(Exceptions::toMessageString).collect(joining("\n"));
throw new MojoExecutionException(message, e);
}
}
/** Override this in subclasses, instead of {@link #execute()}. */
protected abstract void doExecute() throws Exception;
/** Return the name of the relevant entity, e.g., application with or without instance. */
protected String name() { return tenant + "." + application; }
protected void setup() throws MojoExecutionException {
tenant = firstNonBlank(tenant, project.getProperties().getProperty("tenant"))
.orElseThrow(() -> new MojoExecutionException("'tenant' must be specified as a parameter or project property"));
application = firstNonBlank(application, project.getProperties().getProperty("application"))
.orElseThrow(() -> new MojoExecutionException("'application' must be specified as a parameter or project property"));
instance = firstNonBlank(instance, project.getProperties().getProperty("instance"), requireInstance() ? null : InstanceName.defaultName().value())
.orElseThrow(() -> new MojoExecutionException("'instance' must be specified as a parameter or project property"));
id = ApplicationId.from(tenant, application, instance);
Optional<Path> apiKeyPath = apiKeyPath(tenant);
if ( ! isNullOrBlank(apiKey)) {
controller = ControllerHttpClient.withSignatureKey(URI.create(endpoint), apiKey, id);
}
else if (apiKeyPath.isPresent()) {
controller = isNullOrBlank(apiCertificateFile)
? ControllerHttpClient.withSignatureKey(URI.create(endpoint), apiKeyPath.get(), id)
: ControllerHttpClient.withKeyAndCertificate(URI.create(endpoint), apiKeyPath.get(), Paths.get(apiCertificateFile));
}
else {
throw new IllegalArgumentException("One of the properties 'apiKey' or 'apiKeyFile' is required.");
}
}
private Optional<Path> apiKeyPath(String tenant) {
if (!isNullOrBlank(apiKeyFile)) return Optional.of(Paths.get(apiKeyFile));
Path cliApiKeyFile = Optional.ofNullable(System.getenv("VESPA_CLI_HOME"))
.map(Paths::get)
.orElseGet(() -> Paths.get(System.getProperty("user.home"), ".vespa"))
.resolve(tenant + ".api-key.pem");
if (Files.exists(cliApiKeyFile)) return Optional.of(cliApiKeyFile);
return Optional.empty();
}
protected String projectPathOf(String first, String... rest) {
return project.getBasedir().toPath().resolve(Path.of(first, rest)).toString();
}
/** Returns the first of the given strings which is non-null and non-blank, or throws IllegalArgumentException. */
protected static Optional<String> firstNonBlank(String... values) {
for (String value : values)
if (value != null && ! value.isBlank())
return Optional.of(value);
return Optional.empty();
}
protected static Optional<String> optionalOf(String value) {
return Optional.ofNullable(value)
.filter(data -> ! data.isBlank());
}
protected static <T> Optional<T> optionalOf(String value, Function<String, T> mapper) {
return Optional.ofNullable(value)
.filter(data -> ! data.isBlank())
.map(mapper);
}
protected static boolean isNullOrBlank(String value) {
return Optional.ofNullable(value)
.filter(s -> !s.isBlank())
.isEmpty();
}
}
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