107 lines
2.9 KiB
TypeScript
107 lines
2.9 KiB
TypeScript
// interfaces
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import { Client as ElasticClient } from '@elastic/elasticsearch';
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import type { ILogContext, ILogPackage, ILogDestination } from '@pushrocks/smartlog-interfaces';
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// other classes
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import { ElasticScheduler } from './elasticsearch.classes.elasticscheduler.js';
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import { ElasticIndex } from './elasticsearch.classes.elasticindex.js';
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export interface IStandardLogParams {
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message: string;
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severity: string;
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}
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export interface IElasticSearchConstructorOptions {
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indexPrefix: string;
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indexRetention: number;
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node: string;
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auth?: {
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username: string;
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password: string;
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};
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}
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export class ElsSmartlogDestination<T> {
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public client: ElasticClient;
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public elasticScheduler = new ElasticScheduler(this);
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public elasticIndex: ElasticIndex = new ElasticIndex(this);
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public indexPrefix: string;
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public indexRetention: number;
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/**
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* sets up an instance of Elastic log
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* @param optionsArg
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*/
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constructor(optionsArg: IElasticSearchConstructorOptions) {
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this.client = new ElasticClient({
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node: optionsArg.node,
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...(optionsArg.auth && { auth: optionsArg.auth }),
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});
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this.indexPrefix = `${optionsArg.indexPrefix}`;
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this.indexRetention = optionsArg.indexRetention;
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}
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public async log(logPackageArg: ILogPackage, scheduleOverwrite = false) {
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const now = new Date();
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const indexToUse = `${this.indexPrefix}-${now.toISOString().split('T')[0]}`;
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if (this.elasticScheduler.docsScheduled && !scheduleOverwrite) {
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this.elasticScheduler.scheduleDoc(logPackageArg);
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return;
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}
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// Make sure the index is created with a mapping for dynamic JSON
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const indexExists = await this.client.indices.exists({ index: indexToUse });
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if (!indexExists.body) {
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await this.client.indices.create({
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index: indexToUse,
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body: {
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mappings: {
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properties: {
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'@timestamp': {
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type: 'date',
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},
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logPackageArg: {
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properties: {
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payload: {
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type: 'object',
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dynamic: true
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}
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}
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},
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},
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},
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},
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});
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}
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this.client.index(
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{
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index: indexToUse,
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body: {
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'@timestamp': new Date(logPackageArg.timestamp).toISOString(),
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...logPackageArg,
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},
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},
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(error, response) => {
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if (error) {
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console.log('ElasticLog encountered an error:');
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console.log(error);
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this.elasticScheduler.addFailedDoc(logPackageArg);
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} else {
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// console.log(`ElasticLog: ${logPackageArg.message}`);
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}
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}
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);
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}
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get logDestination(): ILogDestination {
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return {
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handleLog: async (smartlogPackageArg: ILogPackage) => {
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this.log(smartlogPackageArg);
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},
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};
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}
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}
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