日志服务

import type { PluginInitializerContext, CoreSetup, Plugin, Logger } from '@kbn/core/server';

export class MyPlugin implements Plugin {
  private readonly logger: Logger;

  constructor(initializerContext: PluginInitializerContext) {
    this.logger = initializerContext.logger.get();
  }

  public setup(core: CoreSetup) {
    try {
      this.logger.debug('doing something...');
      // …
    } catch (e) {
      this.logger.error('failed doing something...');
    }
  }
}

const logger = kibana.logger.get('server');

logger.trace('Message with `trace` log level.');
logger.debug('Message with `debug` log level.');
logger.info('Message with `info` log level.');
logger.warn('Message with `warn` log level.');
logger.error('Message with `error` log level.');
logger.fatal('Message with `fatal` log level.');

const loggerWithNestedContext = kibana.logger.get('server', 'http');
loggerWithNestedContext.trace('Message with `trace` log level.');
loggerWithNestedContext.debug('Message with `debug` log level.');