org.wso2.carbon.appfactory.jenkins.deploy.JenkinsArtifactDeployer.java Source code

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/*
 * Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *    WSO2 Inc. licenses this file to you 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.wso2.carbon.appfactory.jenkins.deploy;

import hudson.EnvVars;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.appfactory.common.AppFactoryConstants;
import org.wso2.carbon.appfactory.common.AppFactoryException;
import org.wso2.carbon.appfactory.deployers.AbstractStratosDeployer;
import org.wso2.carbon.appfactory.deployers.notify.DeployNotifier;
import org.wso2.carbon.appfactory.deployers.util.DeployerUtil;
import org.wso2.carbon.appfactory.jenkins.AppfactoryPluginManager;
import org.wso2.carbon.appfactory.jenkins.Constants;
import org.wso2.carbon.appfactory.jenkins.api.JenkinsBuildStatusProvider;
import org.wso2.carbon.appfactory.jenkins.util.JenkinsUtility;

import java.io.File;
import java.util.Map;

public class JenkinsArtifactDeployer extends AbstractStratosDeployer {
    private static final Log log = LogFactory.getLog(JenkinsArtifactDeployer.class);

    private AppfactoryPluginManager.DescriptorImpl descriptor = new AppfactoryPluginManager.DescriptorImpl();
    private String baseDeployUrl;
    private String s2AdminUsername;
    private String s2AdminPassword;

    public JenkinsArtifactDeployer() {
        super.setAdminUserName(descriptor.getAdminUserName());
        super.setAdminPassword(descriptor.getAdminPassword());
        super.setAppfactoryServerURL(descriptor.getAppfactoryServerURL());
        setBaseDeployUrl(descriptor.getBaseDeployUrl());
        setS2AdminPassword(descriptor.getStratosAdminPassword());
        setS2AdminUsername(descriptor.getStratosAdminUsername());
        super.buildStatusProvider = new JenkinsBuildStatusProvider();
    }

    public void deployLatestSuccessArtifact(Map<String, String[]> parameters) throws AppFactoryException {

        String applicationId = DeployerUtil.getParameter(parameters, AppFactoryConstants.APPLICATION_ID);
        String stageName = DeployerUtil.getParameter(parameters, AppFactoryConstants.DEPLOY_STAGE);
        String deployAction = DeployerUtil.getParameter(parameters, AppFactoryConstants.DEPLOY_ACTION);
        String artifactType = DeployerUtil.getParameter(parameters, AppFactoryConstants.ARTIFACT_TYPE);
        String version = DeployerUtil.getParameter(parameters, AppFactoryConstants.APPLICATION_VERSION);
        String serverDeploymentPath = DeployerUtil.getParameter(parameters,
                AppFactoryConstants.SERVER_DEPLOYMENT_PATHS);
        log.info("Server deployment path is : " + serverDeploymentPath);
        String jobName = DeployerUtil.getParameter(parameters, AppFactoryConstants.JOB_NAME);
        String tenantDomain = DeployerUtil.getParameter(parameters, AppFactoryConstants.TENANT_DOMAIN);
        String path = getSuccessfulArtifactTempStoragePath(applicationId, version, artifactType, stageName,
                tenantDomain, jobName);

        File lastSuccess = new File(path);
        if (!lastSuccess.exists()) {
            //TODO Notify to the AF side
            log.error(
                    "Failed to notify deployment of latest successful artifact since there is no latest successful artifact");

        } else {
            log.info("Deploying Last Successful Artifact with job name - " + jobName + " stageName -" + stageName
                    + " deployAction -" + deployAction);
            try {
                super.deployLatestSuccessArtifact(parameters);
            } catch (AppFactoryException e) {
                String msg = "deployment of latest success artifact failed for applicaion " + jobName;
                handleException(msg, e);
            }
        }

    }

    /**
     * This method is used to build the specified job
     * build parameters are set in such a way that it does not execute any post build actions
     *
     * @param jobName
     *            job that we need to build
     * @param buildUrl
     *            url used to trigger the build
     * @throws AppFactoryException
     */
    protected void triggerBuild(String jobName, String buildUrl, NameValuePair[] queryParameters)
            throws AppFactoryException {
        PostMethod buildMethod = new PostMethod(buildUrl);
        buildMethod.setDoAuthentication(true);
        if (queryParameters != null) {
            buildMethod.setQueryString(queryParameters);
        }
        HttpClient httpClient = new HttpClient();
        httpClient.getState().setCredentials(AuthScope.ANY,
                new UsernamePasswordCredentials(getAdminUsername(), getServerAdminPassword()));
        httpClient.getParams().setAuthenticationPreemptive(true);
        int httpStatusCode = -1;
        try {
            httpStatusCode = httpClient.executeMethod(buildMethod);

        } catch (Exception ex) {
            String errorMsg = String.format("Unable to start the build on job : %s", jobName);
            log.error(errorMsg);
            throw new AppFactoryException(errorMsg, ex);
        } finally {
            buildMethod.releaseConnection();
        }

        if (HttpStatus.SC_FORBIDDEN == httpStatusCode) {
            final String errorMsg = "Unable to start a build for job [".concat(jobName)
                    .concat("] due to invalid credentials.").concat("Jenkins returned, http status : [")
                    .concat(String.valueOf(httpStatusCode)).concat("]");
            log.error(errorMsg);
            throw new AppFactoryException(errorMsg);
        }

        if (HttpStatus.SC_NOT_FOUND == httpStatusCode) {
            final String errorMsg = "Unable to find the job [" + jobName + "Jenkins returned, " + "http status : ["
                    + httpStatusCode + "]";
            log.error(errorMsg);
            throw new AppFactoryException(errorMsg);
        }
    }

    @Override
    public String getSuccessfulArtifactTempStoragePath(String applicationId, String applicationVersion,
            String artifactType, String stage, String tenantDomain, String jobName) throws AppFactoryException {
        String jenkinsHome = EnvVars.masterEnvVars.get(Constants.JENKINS_HOME);
        String path = jenkinsHome + File.separator + "jobs" + File.separator + tenantDomain + File.separator
                + "jobs" + File.separator + jobName + File.separator + "lastSuccessful";
        return path;
    }

    @Override
    public String getArtifactStoragePath(String applicationId, String applicationVersion, String artifactType,
            String stage, String tenantDomain) throws AppFactoryException {
        String jobName = JenkinsUtility.getJobName(applicationId, applicationVersion);
        String path = getStoragePath(tenantDomain) + File.separator + "PROMOTED" + File.separator + jobName
                + File.separator + "lastSuccessful";
        return path;
    }

    @Override
    public void postDeploymentNoifier(String message, String applicationId, String applicationVersion,
            String artifactType, String stage, String tenantDomain) {
        try {
            log.info("Application Deployed Successfully. Application ID :" + applicationId + " and version : "
                    + applicationVersion);

            DeployNotifier notifier = new DeployNotifier();
            notifier.deployed(applicationId, applicationVersion, stage, adminUserName, adminPassword,
                    appfactoryServerURL, buildStatusProvider, tenantDomain);

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    public void setS2AdminUsername(String s2AdminUsername) {
        this.s2AdminUsername = s2AdminUsername;
    }

    public void setBaseDeployUrl(String baseDeployUrl) {
        this.baseDeployUrl = baseDeployUrl;
    }

    public void setS2AdminPassword(String s2AdminPassword) {
        this.s2AdminPassword = s2AdminPassword;
    }

    @Override
    protected String getBaseRepoUrl() throws AppFactoryException {
        return this.baseDeployUrl;
    }

    @Override
    protected String getAdminPassword() throws AppFactoryException {
        return this.s2AdminPassword;
    }

    @Override
    protected String getAdminUserName() throws AppFactoryException {
        return this.s2AdminUsername;
    }

    @Override
    public String getStoragePath(String tenantDomain) {
        return descriptor.getStoragePath(tenantDomain);
    }

    @Override
    public String getTempPath(String tenantDomain) {
        return descriptor.getTempPath(tenantDomain);
    }

    public void deployTaggedArtifact(Map<String, String[]> requestParameters) throws Exception {

    }

}