oglimmer/fulgens

const nunjucks = require('nunjucks');

const functionsBuilder = require('../phase/functions');
const prepareBuilder = require('../phase/prepare');
const optionsBuilder = require('../phase/options');
const cleanupBuilder = require('../phase/cleanup');
const sourceTypeBuilder = require('../core/SourceType');
const dependencycheckBuilder = require('../phase/dependencycheck');
const BaseConfigFile = require('../core/configFile/BaseConfigFile');
const Strings = require('../core/Strings');
const CEnvVars = require('../core/CEnvVars');

const BasePlugin = require('./BasePlugin');

class ShellPlugin extends BasePlugin {

  static instance() {
    return new ShellPlugin();
  }

  exec(softwareComponentName, userConfig, runtimeConfiguration) {
    super.exec(softwareComponentName, userConfig, runtimeConfiguration);

    const { Name: systemName } = userConfig.config;
    const { Start, ExposedPort, DockerImage = 'ubuntu', EnvVars = [], DockerMemory } = userConfig.software[softwareComponentName];
    const StartRpld = Start.replace('$$TMP$$', 'localrun');

    const defaultVersion = ((userConfig.versions || {})[softwareComponentName] || {}).Docker || 'latest';

    optionsBuilder.addDetails(softwareComponentName, 'local', [
      `${softwareComponentName}:local #start a local shell script`,
      `${softwareComponentName}:docker:[latest] #start inside docker, default tag ${defaultVersion}, uses image ${Strings.dockerLink(DockerImage)}`
    ]);

    sourceTypeBuilder.add(this, {
      componentName: softwareComponentName,
      defaultType: 'local', 
      availableTypes: [
        { typeName: 'local', defaultVersion: '' },
        { typeName: 'docker', defaultVersion }
      ]
    });

    const pid = `shellPID${softwareComponentName}`;
    const dcId = `dockerContainerID${softwareComponentName}`;

    cleanupBuilder.add({
      pluginName: 'shell',
      componentName: softwareComponentName,
      sourceTypes: [{
        name: 'local',
        stopCode: 'echo exit|nc localhost 9998'
      }, {
        name: 'docker',
        stopCode: 'docker rm -f $' + dcId
      }]
    });

    const configFiles = runtimeConfiguration.getConfigFiles(softwareComponentName);
    const typeSourceVarName = `TYPE_SOURCE_${softwareComponentName.toUpperCase()}`;
    const pidFile = `.${softwareComponentName}Pid`;

    const envVars = new CEnvVars(softwareComponentName, EnvVars);
    const mountToDocker = configFiles.map(f => f.mountToDocker(envVars)).join(' ');

    this.build = () => nunjucks.render('classes/plugins/ShellPlugin.tmpl', {
      ...this.nunjucksObj(),
      typeSourceVarName,
      softwareComponentName,
      systemName,
      pidFile,
      StartRpld,
      ExposedPort,
      dcId,
      pid,
      DockerImage,
      DockerMemory,
      writeConfigFiles: configFiles.map(f => f.createFile()).join('\n'),
      writeDockerConnectionLogic: BaseConfigFile.writeDockerConnectionLogic(configFiles, envVars),
      mountToDocker,
      AllEnvVarsDocker: envVars.toDocker(),
      AllEnvVarsShell: envVars.toShellExport()
    });

  }

}

module.exports = ShellPlugin;