fetchCentralConfig()

in packages/rum/src/apm-base.js [143:179]

• 36 lines of code
• 4 McCabe index (conditional complexity)

  fetchCentralConfig() {
    const [
      apmServer,
      loggingService,
      configService
    ] = this.serviceFactory.getService([
      APM_SERVER,
      LOGGING_SERVICE,
      CONFIG_SERVICE
    ])

    return apmServer
      .fetchConfig(
        configService.get('serviceName'),
        configService.get('environment')
      )
      .then(config => {
        var transactionSampleRate = config['transaction_sample_rate']
        if (transactionSampleRate) {
          transactionSampleRate = Number(transactionSampleRate)
          const config = { transactionSampleRate }
          const { invalid } = configService.validate(config)
          if (invalid.length === 0) {
            configService.setConfig(config)
          } else {
            const { key, value, allowed } = invalid[0]
            loggingService.warn(
              `invalid value "${value}" for ${key}. Allowed: ${allowed}.`
            )
          }
        }
        return config
      })
      .catch(error => {
        loggingService.warn('failed fetching config:', error)
      })
  }