Alexa skill to be able to run Jenkins jobs

index.js

var http = require('http');

exports.handler = (event, context, callback) => {
  try {
    switch(event.request.intent.name) {
      case 'JenkinsBuild': {
        processJenkinsBuildIntent(event, context);
        break;
      }
      case 'JenkinsProjectName': {
        processJenkinsProjectNameIntent(event, context);
        break;
      }
      default: console.log('default', event.request.type); break;
    }   
  } catch(e) {
    context.fail('Invalid request type: ', event.request.type);
  }
};

processJenkinsProjectNameIntent = (event, context) => {
  var projectName = event.request.intent.slots.project.value;
  var projectExist = event.session.attributes.projects.indexOf(projectName) >= 0;
  var options = getOptions();
  var text = '';
  if(projectName !== 'no name project' && projectExist) {
    // make post to build project
    options.path = '/job/' + projectName + '/build';
    options.method = 'POST';
    makeRestCall(options, 
      () => {
        text = "Start building project " + projectName;
        context.succeed(generateResponse(buildSpeechletResponse(text, true), {}));
      }, 
      () => {
        text = 'Something went wrong with requesting to build ' + projectName + ' on jenkins server';
        context.succeed(generateResponse(buildSpeechletResponse(text, true), {}));
      }
    );
  } else {
    text = "The project name you provided is not exist.";
    context.succeed(generateResponse(buildSpeechletResponse(text, true), {}));
  }
};

processJenkinsBuildIntent = (event, context) => {
  var options = getOptions();
  if(event.session.new) {
    options.path = '/api/json?pretty=true&tree=jobs[name,color]';
    makeRestCall(options, 
      (response) => {
        var jobs = response.jobs;
        var projectNames = [];
        var jobNames = '';
        for(var i = 0; i < jobs.length; i++) {
          var jobName = jobs[i].name;
          jobNames += jobName + ', ';
          projectNames.push(jobName);
        }
        var text = "I've found "+ jobNames +" which one you want to build?";
        context.succeed(generateResponse(buildSpeechletResponse(text, false), {projects: projectNames}));
      }, 
      (err) => {
        console.log('Error', err);
      }
    );
  }
};

makeRestCall = (options, onSuccess, onError) => {
  http.request(options, (response) => {
      var str = '';
      response.on('data', (chunk) => {
        str += chunk;
      });
      response.on('end', () => {
        if(str && str.trim().length > 0) {
          onSuccess(JSON.parse(str));
        } else {
          onSuccess();
        }
      });
    }, (err) => {
      onError(err);
    }).end();
};

getOptions = () => {
  var auth = 'Basic ' + new Buffer('admin:ce5e9c70315ffdea4d7f80263dd83fe6').toString('base64');
  return {
    host: 'ec2-54-164-5-152.compute-1.amazonaws.com',
    port: '8080',
    headers: {
      Authorization: auth
    }
  };
};

generateResponse = (res, sessionAttributes) => {
    return {
        version: '1.0',
        sessionAttributes: sessionAttributes,
        response: res
    };
};

buildSpeechletResponse = (outputText, shouldEnd) => {
    return {
      outputSpeech: {
          type: 'PlainText',
          text: outputText
      },
      shouldEndSession: shouldEnd,
    };
};