1.0.13

license

@@ -1,4 +1,5 @@
 Copyright (c) 2019 Lossless GmbH (hello@lossless.com)
+Copyright (c) 2017-2019, braces lab
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pushrocks/smartdaemon",
-  "version": "1.0.3",
+  "version": "1.0.13",
   "private": false,
   "description": "start scripts as long running daemons and manage them",
   "main": "dist/index.js",
@@ -20,7 +20,15 @@
     "tslint": "^5.11.0",
     "tslint-config-prettier": "^1.15.0"
   },
-  "dependencies": {},
+  "dependencies": {
+    "@pushrocks/lik": "^3.0.11",
+    "@pushrocks/smartfile": "^7.0.4",
+    "@pushrocks/smartfm": "^2.0.4",
+    "@pushrocks/smartlog": "^2.0.19",
+    "@pushrocks/smartlog-destination-local": "^8.0.2",
+    "@pushrocks/smartshell": "^2.0.25",
+    "@pushrocks/smartsystem": "^2.0.8"
+  },
   "files": [
     "ts/*",
     "ts_web/*",

test/test.ts

@@ -1,8 +1,21 @@
 import { expect, tap } from '@pushrocks/tapbundle';
 import * as smartdaemon from '../ts/index';
 
-tap.test('first test', async () => {
-  console.log(smartdaemon.standardExport);
+let testSmartdaemon: smartdaemon.SmartDaemon;
+
+tap.test('should create an instance of smartdaemon', async () => {
+  testSmartdaemon = new smartdaemon.SmartDaemon();
+  expect(testSmartdaemon).to.be.instanceOf(smartdaemon.SmartDaemon);
+});
+
+tap.test('should create a service', async () => {
+  testSmartdaemon.addService({
+    name: 'npmversion',
+    version: 'x.x.x',
+    command: 'npm -v',
+    description: 'displays the npm version',
+    workingDir: __dirname
+  });
 });
 
 tap.start();

ts/index.ts

@@ -1,3 +1 @@
-import * as plugins from './smartdaemon.plugins';
-
-export let standardExport = 'Hi there! :) This is an exported string';
+export * from './smartdaemon.classes.smartdaemon';

ts/smartdaemon.classes.service.ts

@@ -0,0 +1,80 @@
+import * as plugins from './smartdaemon.plugins';
+import * as paths from './smartdaemon.paths';
+import { SmartDaemon } from './smartdaemon.classes.smartdaemon';
+
+export interface ISmartDaemonServiceConstructorOptions {
+  name: string;
+  description: string;
+  command: string;
+  workingDir: string;
+  version: string;
+}
+
+/**
+ * represents a service that is being spawned by SmartDaemon
+ */
+export class SmartDaemonService implements ISmartDaemonServiceConstructorOptions {
+  public static async createFromOptions(smartdaemonRef: SmartDaemon, optionsArg: ISmartDaemonServiceConstructorOptions) {
+    const service = new SmartDaemonService(smartdaemonRef);
+    for (const key of Object.keys(optionsArg)) {
+      service[key] = optionsArg[key];
+    }
+    return service;
+  }
+
+  public options: ISmartDaemonServiceConstructorOptions;
+  public alreadyExists = false;
+
+  public name: string;
+  public version: string;
+  public command: string;
+  public workingDir: string;
+  public description: string;
+
+  public smartdaemonRef: SmartDaemon;
+
+  constructor(smartdaemonRegfArg: SmartDaemon) {
+    this.smartdaemonRef = smartdaemonRegfArg;
+  }
+
+  /**
+   * enables the service
+   */
+  public async enable() {
+    await this.smartdaemonRef.systemdManager.enableService(this);
+  }
+
+  /**
+   * disables the service
+   */
+  public async disable() {
+    await this.smartdaemonRef.systemdManager.disableService(this);
+  }
+
+  /**
+   * starts a service
+   */
+  public async start() {
+    await this.smartdaemonRef.systemdManager.startService(this);
+  }
+
+  /**
+   * stops a service
+   */
+  public async stop() {
+    await this.smartdaemonRef.systemdManager.stopService(this);
+  }
+
+
+  // Save and Delete
+  public async save() {
+    await this.smartdaemonRef.systemdManager.saveService(this);
+  }
+
+  /**
+   * deletes the service
+   */
+  public async delete() {
+    await this.smartdaemonRef.systemdManager.deleteService(this);
+  }
+}

ts/smartdaemon.classes.smartdaemon.ts

@@ -0,0 +1,42 @@
+import * as plugins from './smartdaemon.plugins';
+import { SmartDaemonTemplateManager } from './smartdaemon.classes.templatemanager';
+import { SmartDaemonService, ISmartDaemonServiceConstructorOptions } from './smartdaemon.classes.service';
+import { SmartDaemonSystemdManager } from './smartdaemon.classes.systemdmanager';
+
+
+
+export class SmartDaemon {
+  public templateManager: SmartDaemonTemplateManager;
+  public systemdManager: SmartDaemonSystemdManager;
+
+  constructor() {
+    this.templateManager = new SmartDaemonTemplateManager(this);
+    this.systemdManager = new SmartDaemonSystemdManager(this);
+  }
+
+  /**
+   * adds a service
+   * @param nameArg
+   * @param commandArg 
+   * @param workingDirectoryArg 
+   */
+  public async addService(optionsArg: ISmartDaemonServiceConstructorOptions): Promise<SmartDaemonService> {
+    let serviceToAdd: SmartDaemonService;
+    const existingServices = await this.systemdManager.getServices();
+    const existingService = existingServices.find(serviceArg => {
+      return serviceArg.name === optionsArg.name;
+    });
+    if (!existingService) {
+      serviceToAdd = await SmartDaemonService.createFromOptions(this, optionsArg);
+    } else {
+      serviceToAdd = existingService;
+      Object.assign(serviceToAdd, optionsArg);
+    }
+    await serviceToAdd.save();
+    return serviceToAdd;
+  }
+
+  public async init() {
+    await this.systemdManager.init();
+  }
+}

ts/smartdaemon.classes.systemdmanager.ts

@@ -0,0 +1,127 @@
+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 createFileNameFromServiceName = (serviceNameArg: string) => {
+    return `${SmartDaemonSystemdManager.smartDaemonNamespace}_${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()) {
+      await this.execute(
+        `systemctl start ${SmartDaemonSystemdManager.createFilePathFromServiceName(serviceArg.name)}`
+      );
+    }
+  }
+  public async stopService(serviceArg: SmartDaemonService) {
+    if (await this.checkElegibility()) {
+      await this.execute(
+        `systemctl stop ${SmartDaemonSystemdManager.createFilePathFromServiceName(serviceArg.name)}`
+      );
+    }
+  }
+
+  public async saveService(serviceArg: SmartDaemonService) {
+    if (await this.checkElegibility()) {
+      if (serviceArg.alreadyExists) {
+        this.stopService(serviceArg);
+      }
+      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.createFilePathFromServiceName(serviceArg.name)
+      );
+    }
+  }
+
+  public async enableService(serviceArg: SmartDaemonService) {
+    if (await this.checkElegibility()) {
+      await this.saveService(serviceArg);
+      await this.execute(
+        `systemctl enable ${SmartDaemonSystemdManager.createFileNameFromServiceName(serviceArg.name)}`
+      );
+    }
+  }
+  public async disableService(serviceArg: SmartDaemonService) {
+    if (await this.checkElegibility()) {
+      await this.execute(
+        `systemctl disable ${SmartDaemonSystemdManager.createFileNameFromServiceName(serviceArg.name)}`
+      );
+    }
+  }
+
+  public async init() {}
+}

ts/smartdaemon.classes.templatemanager.ts

@@ -0,0 +1,40 @@
+import * as plugins from './smartdaemon.plugins';
+import { SmartDaemon } from './smartdaemon.classes.smartdaemon';
+import { SmartDaemonService } from './smartdaemon.classes.service';
+
+export class SmartDaemonTemplateManager {
+  public smartdaemonRef: SmartDaemon;
+
+  constructor(smartdaemonRefArg: SmartDaemon) {
+    this.smartdaemonRef = smartdaemonRefArg;
+  }
+
+  public generateUnitFileForService = (serviceArg: SmartDaemonService) => {
+    return `# ---
+# name: ${serviceArg.name}
+# version: ${serviceArg.version}
+# description: ${serviceArg.description}
+# command: ${serviceArg.command}
+# workingDir: ${serviceArg.workingDir}
+# ---
+[Unit]
+Description=${serviceArg.description}
+Requires=network.target
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/bin/bash -c "cd ${serviceArg.workingDir} && ${serviceArg.command}"
+WorkingDirectory=${serviceArg.workingDir}
+Restart=on-failure
+LimitNOFILE=infinity
+LimitCORE=infinity
+StandardInput=null
+StandardOutput=syslog
+StandardError=syslog
+Restart=always
+[Install]
+WantedBy=multi-user.target
+`;
+  }
+}

ts/smartdaemon.paths.ts

@@ -0,0 +1,4 @@
+import * as plugins from './smartdaemon.plugins';
+
+export const packageDir = plugins.path.join(__dirname, '../');
+export const systemdDir = plugins.path.join('/lib/systemd/system/');

ts/smartdaemon.plugins.ts

@@ -1,2 +1,28 @@
-const removeme = {};
-export { removeme };
+// node native scope
+import * as path from 'path';
+
+
+export {
+  path
+};
+
+// @pushrocks scope
+import * as lik from '@pushrocks/lik';
+import * as smartfile from '@pushrocks/smartfile';
+import * as smartfm from '@pushrocks/smartfm';
+import * as smartlog from '@pushrocks/smartlog';
+import * as smartlogDestinationLocal from '@pushrocks/smartlog-destination-local';
+import * as smartshell from '@pushrocks/smartshell';
+import * as smartsystem from '@pushrocks/smartsystem';
+
+export {
+  lik,
+  smartfile,
+  smartfm,
+  smartlog,
+  smartlogDestinationLocal,
+  smartshell,
+  smartsystem
+};
+
+// third party

ts/smartdamon.logging.ts

@@ -0,0 +1,15 @@
+import * as plugins from './smartdaemon.plugins';
+
+export const logger = new plugins.smartlog.Smartlog({
+  logContext: {
+    company: 'Some Company',
+    companyunit: 'Some CompanyUnit',
+    containerName: 'Some Containername',
+    environment: 'local',
+    runtime: 'node',
+    zone: 'gitzone'
+  },
+  minimumLogLevel: 'silly'
+});
+
+logger.addLogDestination(new plugins.smartlogDestinationLocal.DestinationLocal());