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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.apache.dolphinscheduler.plugin.alert.script;

import org.apache.dolphinscheduler.alert.api.AlertResult;

import java.util.Map;

import org.slf4j.Logger;

public final class ScriptSender {
    private static final Logger log = org.slf4j.LoggerFactory.getLogger(ScriptSender.class);
    private static final String ALERT_TITLE_OPTION = " -t ";
    private static final String ALERT_CONTENT_OPTION = " -c ";
    private static final String ALERT_USER_PARAMS_OPTION = " -p ";
    private final String scriptPath;
    private final String scriptType;
    private final String userParams;

    ScriptSender(Map config) {
        scriptPath = config.get(ScriptParamsConstants.NAME_SCRIPT_PATH);
        scriptType = config.get(ScriptParamsConstants.NAME_SCRIPT_TYPE);
        userParams = config.get(ScriptParamsConstants.NAME_SCRIPT_USER_PARAMS);
    }

    AlertResult sendScriptAlert(String title, String content) {
        AlertResult alertResult = new AlertResult();
        if (ScriptType.SHELL.getDescp().equals(scriptType)) {
            return executeShellScript(title, content);
        }
        return alertResult;
    }

    private AlertResult executeShellScript(String title, String content) {
        AlertResult alertResult = new AlertResult();
        alertResult.setStatus("false");
        if (Boolean.TRUE.equals(OSUtils.isWindows())) {
            alertResult.setMessage("shell script not support windows os");
            return alertResult;
        }
        String[] cmd = {"/bin/sh", "-c", scriptPath + ALERT_TITLE_OPTION + "'" + title + "'" + ALERT_CONTENT_OPTION + "'" + content + "'" + ALERT_USER_PARAMS_OPTION + "'" + userParams + "'"};
        int exitCode = ProcessUtils.executeScript(cmd);

        if (exitCode == 0) {
            alertResult.setStatus("true");
            alertResult.setMessage("send script alert msg success");
            return alertResult;
        }
        alertResult.setMessage("send script alert msg error,exitCode is " + exitCode);
        log.info("send script alert msg error,exitCode is {}", exitCode);
        return alertResult;
    }

}