import * as plugins from './smartdaemon.plugins'; import * as paths from './smartdaemon.paths'; import { SmartDaemon } from './smartdaemon.classes.smartdaemon'; import { ISmartDaemonServiceConstructorOptions, SmartDaemonService } from './smartdaemon.classes.service'; export class SmartDaemonSystemdManager { // STATIC private static smartDaemonNamespace = 'smartdaemon'; public static createServiceNameFromServiceName (serviceNameArg: string) { return `${SmartDaemonSystemdManager.smartDaemonNamespace}_${serviceNameArg}`; } public static createFileNameFromServiceName (serviceNameArg: string) { return `${SmartDaemonSystemdManager.createServiceNameFromServiceName(serviceNameArg)}.service`; }; public static createFilePathFromServiceName (serviceNameArg: string) { return plugins.path.join( paths.systemdDir, SmartDaemonSystemdManager.createFileNameFromServiceName(serviceNameArg) ); } // INSTANCE public smartdaemonRef: SmartDaemon; public smartshellInstance: plugins.smartshell.Smartshell; public smartsystem: plugins.smartsystem.Smartsystem; public shouldExecute: boolean = false; constructor(smartdaemonRefArg: SmartDaemon) { this.smartdaemonRef = smartdaemonRefArg; this.smartshellInstance = new plugins.smartshell.Smartshell({ executor: 'bash' }); this.smartsystem = new plugins.smartsystem.Smartsystem(); } public async checkElegibility() { if (await this.smartsystem.env.isLinuxAsync()) { this.shouldExecute = true; } else { console.log('Smartdaemon can only be used on Linux systems! Refusing to set up a service.'); this.shouldExecute = false; } return this.shouldExecute; } public async execute(commandArg: string) { if (await this.checkElegibility()) { await this.smartshellInstance.exec(commandArg); } } /** * gets all services that are already present */ public async getServices() { const existingServices: SmartDaemonService[] = []; if (await this.checkElegibility()) { const smartfmInstance = new plugins.smartfm.Smartfm({ fmType: 'yaml' }); const availableServices = await plugins.smartfile.fs.fileTreeToObject( paths.systemdDir, 'smartdaemon_*.service' ); for (const serviceFile of availableServices) { const data = smartfmInstance.parseFromComments('# ', serviceFile.contentBuffer.toString()) .data as ISmartDaemonServiceConstructorOptions; const service = await SmartDaemonService.createFromOptions(this.smartdaemonRef, data); service.alreadyExists = true; existingServices.push(service); } } return existingServices; } public async startService(serviceArg: SmartDaemonService) { if (await this.checkElegibility()) { if (serviceArg.alreadyExists) { await this.stopService(serviceArg); } await this.execute( `systemctl start ${SmartDaemonSystemdManager.createServiceNameFromServiceName(serviceArg.name)}` ); } } public async stopService(serviceArg: SmartDaemonService) { if (await this.checkElegibility()) { await this.execute( `systemctl stop ${SmartDaemonSystemdManager.createServiceNameFromServiceName(serviceArg.name)}` ); } } public async saveService(serviceArg: SmartDaemonService) { if (await this.checkElegibility()) { await plugins.smartfile.memory.toFs( this.smartdaemonRef.templateManager.generateUnitFileForService(serviceArg), SmartDaemonSystemdManager.createFilePathFromServiceName(serviceArg.name) ); } } public async deleteService(serviceArg: SmartDaemonService) { if (await this.checkElegibility()) { await plugins.smartfile.fs.remove( SmartDaemonSystemdManager.createServiceNameFromServiceName(serviceArg.name) ); } } public async enableService(serviceArg: SmartDaemonService) { if (await this.checkElegibility()) { await this.saveService(serviceArg); if (serviceArg.alreadyExists) { await this.execute(`systemctl daemon-reload`); } await this.execute( `systemctl enable ${SmartDaemonSystemdManager.createServiceNameFromServiceName(serviceArg.name)}` ); } } public async disableService(serviceArg: SmartDaemonService) { if (await this.checkElegibility()) { await this.execute( `systemctl disable ${SmartDaemonSystemdManager.createServiceNameFromServiceName(serviceArg.name)}` ); } } public async init() {} }