How to use @mojaloop/central-services-metrics - 9 common examples

const bulkProcessing = async (error, messages) => {
  const histTimerEnd = Metrics.getHistogram(
    'transfer_bulk_processing',
    'Consume a bulkProcessing transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    // Logger.error(error)
    throw error
  }
  let message = {}
  try {
    if (Array.isArray(messages)) {
      message = messages[0]
    } else {
      message = messages
    }
    const payload = decodePayload(message.value.content.payload)

const getTransfer = async (error, messages) => {
  const location = { module: 'GetTransferHandler', method: '', path: '' }
  const histTimerEnd = Metrics.getHistogram(
    'transfer_get',
    'Consume a get transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    throw ErrorHandler.Factory.reformatFSPIOPError(error)
  }
  let message = {}
  if (Array.isArray(messages)) {
    message = messages[0]
  } else {
    message = messages
  }
  const contextFromMessage = EventSdk.Tracer.extractContextFromMessage(message.value)
  const span = EventSdk.Tracer.createChildSpanFromContext('cl_transfer_get', contextFromMessage)
  try {

const positions = async (error, messages) => {
  const histTimerEnd = Metrics.getHistogram(
    'transfer_position',
    'Consume a prepare transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()

  if (error) {
    histTimerEnd({ success: false, fspId: Config.INSTRUMENTATION_METRICS_LABELS.fspId })
    throw ErrorHandler.Factory.reformatFSPIOPError(error)
  }
  let message = {}
  let prepareBatch = []
  let contextFromMessage
  let span
  try {
    if (Array.isArray(messages)) {
      prepareBatch = Array.from(messages)

const bulkFulfil = async (error, messages) => {
  const histTimerEnd = Metrics.getHistogram(
    'transfer_bulk_fulfil',
    'Consume a bulkFulfil transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    throw error
  }
  let message = {}
  try {
    if (Array.isArray(messages)) {
      message = messages[0]
    } else {
      message = messages
    }
    const messageId = message.value.id
    const payload = message.value.content.payload

const prepare = async (error, messages) => {
  const location = { module: 'PrepareHandler', method: '', path: '' }
  const histTimerEnd = Metrics.getHistogram(
    'transfer_prepare',
    'Consume a prepare transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    histTimerEnd({ success: false, fspId: Config.INSTRUMENTATION_METRICS_LABELS.fspId })
    throw ErrorHandler.Factory.reformatFSPIOPError(error)
  }
  let message = {}
  if (Array.isArray(messages)) {
    message = messages[0]
  } else {
    message = messages
  }
  const parentSpanService = 'cl_transfer_prepare'
  const contextFromMessage = EventSdk.Tracer.extractContextFromMessage(message.value)

const fulfil = async (error, messages) => {
  const location = { module: 'FulfilHandler', method: '', path: '' }
  const histTimerEnd = Metrics.getHistogram(
    'transfer_fulfil',
    'Consume a fulfil transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    throw ErrorHandler.Factory.reformatFSPIOPError(error)
  }
  let message = {}
  if (Array.isArray(messages)) {
    message = messages[0]
  } else {
    message = messages
  }
  const contextFromMessage = EventSdk.Tracer.extractContextFromMessage(message.value)
  const span = EventSdk.Tracer.createChildSpanFromContext('cl_transfer_fulfil', contextFromMessage)
  try {

const bulkPrepare = async (error, messages) => {
  const histTimerEnd = Metrics.getHistogram(
    'transfer_bulk_prepare',
    'Consume a bulkPrepare transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    throw error
  }
  let message = {}
  try {
    if (Array.isArray(messages)) {
      message = messages[0]
    } else {
      message = messages
    }
    const messageId = message.value.id
    const payload = message.value.content.payload

const bulkPrepare = async (error, messages) => {
  const histTimerEnd = Metrics.getHistogram(
    'transfer_bulk_prepare',
    'Consume a bulkPrepare transfer message from the kafka topic and process it accordingly',
    ['success', 'fspId']
  ).startTimer()
  if (error) {
    throw error
  }
  let message = {}
  try {
    if (Array.isArray(messages)) {
      message = messages[0]
    } else {
      message = messages
    }
    const messageId = message.value.id
    const payload = message.value.content.payload

const initializeInstrumentation = () => {
  if (!Config.INSTRUMENTATION_METRICS_DISABLED) {
    Metrics.setup(Config.INSTRUMENTATION_METRICS_CONFIG)
  }
}