org.commonjava.cartographer.discover.indy.CartoAliasingStartupAction.java Source code

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Here is the source code for org.commonjava.cartographer.discover.indy.CartoAliasingStartupAction.java

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/**
 * Copyright (C) 2013 Red Hat, Inc. (jdcasey@commonjava.org)
 *
 * 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 org.commonjava.cartographer.discover.indy;

import org.apache.commons.lang.StringUtils;
import org.commonjava.cartographer.CartoException;
import org.commonjava.cartographer.INTERNAL.graph.discover.SourceManagerImpl;
import org.commonjava.cartographer.conf.CartoAliasConfig;
import org.commonjava.cartographer.spi.graph.discover.DiscoverySourceManager;
import org.commonjava.indy.client.core.Indy;
import org.commonjava.indy.client.core.IndyClientException;
import org.commonjava.indy.model.core.dto.EndpointView;
import org.commonjava.indy.model.core.dto.EndpointViewListing;
import org.commonjava.propulsor.lifecycle.AppLifecycleException;
import org.commonjava.propulsor.lifecycle.StartupAction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sun.net.www.ApplicationLaunchException;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import static org.apache.commons.lang.StringUtils.isEmpty;
import static org.commonjava.cartographer.rest.util.ResponseUtils.throwError;

@ApplicationScoped
public class CartoAliasingStartupAction implements StartupAction {

    @Inject
    private CartoAliasConfig config;

    @Inject
    private DiscoverySourceManager sourceManager;

    @Override
    public void start() throws AppLifecycleException {
        Logger logger = LoggerFactory.getLogger(getClass());
        logger.info("STARTUP/begin: Alias initialization");

        String baseUrl = config.getIndyUrl();
        if (!isEmpty(baseUrl)) {
            logger.info("Retrieving endpoints from Indy at: {} in order to auto-alias...", baseUrl);
            try {
                Indy indy = new Indy(baseUrl).connect();
                EndpointViewListing endpoints = indy.stats().getAllEndpoints();
                for (EndpointView epv : endpoints.getItems()) {
                    logger.info("Alias Indy '{}' => {}", epv.getKey(), epv.getResourceUri());
                    sourceManager.addSourceAlias(epv.getKey(), epv.getResourceUri());
                }
            } catch (IndyClientException e) {
                throw new AppLifecycleException("Failed to read repositories from Indy at: %s. Reason: %s", e,
                        baseUrl, e.getMessage());
            } catch (CartoException e) {
                throw new AppLifecycleException("Failed to add alias from Indy at: %s. Reason: %s", e, baseUrl,
                        e.getMessage());
            }
        } else {
            logger.info("No Indy server configured. Skipping auto-aliasing step.");
        }

        Map<String, String> explicitAliases = config.getExplicitAliases();
        List<String> errors = new ArrayList<>();
        if (explicitAliases != null) {
            logger.info("Adding explicit aliases from configuration...");
            explicitAliases.forEach((alias, url) -> {
                logger.info("Alias '{}' => {}", alias, url);
                try {
                    sourceManager.addSourceAlias(alias, url);
                } catch (CartoException e) {
                    errors.add(String.format("%s -> %s (Reason: %s)", e, alias, url, e.getMessage()));
                }
            });
        }

        if (!errors.isEmpty()) {
            throw new AppLifecycleException("Failed to add aliases:\n  %s", StringUtils.join(errors, "\n  "));
        }

        logger.info("STARTUP/done: Alias initialization complete.");
    }

    @Override
    public String getId() {
        return null;
    }

    @Override
    public int getPriority() {
        return 0;
    }
}