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    @salesflare/hapi-pino
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    10.0.0 • Public • Published

    hapi-pino  Tests Status Coverage Status

    Hapi plugin for the Pino logger. It logs in JSON for easy post-processing.

    Supported Hapi versions

    • hapi-pino v9.x supports Hapi v20.
    • hapi-pino v8.x supports Hapi v18, v19 and v20.
    • hapi-pino v7.x supports Hapi v18 and v19.
    • hapi-pino v6.x supports Hapi v17, v18 and v19
    • hapi-pino v5.x supports Hapi v17 and v18
    • hapi-pino v3.x supports Hapi v17 only. The maximum version that can be used with Hapi v16 is Pino v4.
    • hapi-pino v2.x is the LTS line for Hapi v16.

    Install

    npm install hapi-pino
    

    Usage

    'use strict'
    
    const Hapi = require('@hapi/hapi')
    
    async function start () {
      // Create a server with a host and port
      const server = Hapi.server({
        host: 'localhost',
        port: 3000,
        debug: false, // disable Hapi debug console logging
      })
    
      // Add the route
      server.route({
        method: 'GET',
        path: '/',
        handler: async function (request, h) {
          // request.log is HAPI standard way of logging
          request.log(['a', 'b'], 'Request into hello world')
    
          // you can also use a pino instance, which will be faster
          request.logger.info('In handler %s', request.path)
    
          return 'hello world'
        }
      })
    
      await server.register({
        plugin: require('hapi-pino'),
        options: {
          prettyPrint: process.env.NODE_ENV !== 'production',
          // Redact Authorization headers, see https://getpino.io/#/docs/redaction
          redact: ['req.headers.authorization']
        }
      })
    
      // also as a decorated API
      server.logger.info('another way for accessing it')
    
      // and through Hapi standard logging system
      server.log(['subsystem'], 'third way for accessing it')
    
      await server.start()
    
      return server
    }
    
    start().catch((err) => {
      console.log(err)
      process.exit(1)
    })

    API

    hapi-pino goal is to enable Hapi applications to log via pino. To enable this, it decorates both the server and the request. Moreover, hapi-pino binds to the Hapi events system as described in the "Hapi events" section.

    Options

    options.logPayload: boolean

    Default: false

    When enabled, add the request payload as payload to the response event log.

    options.logQueryParams: boolean

    Default: false

    When enabled, add the request query as queryParams to the response event log.

    options.logRouteTags: boolean

    Default: false

    When enabled, add the request route tags (as configured in hapi route.options.tags) tags to the response event log.

    options.logRequestStart: boolean | (Request) => boolean

    Default: false

    Whether hapi-pino should add a log.info() at the beginning of Hapi requests for the given Request.

    For convenience, you can pass in true to always log request start events, or false to disable logging request start events

    Note: when logRequestStart is enabled and getChildBindings is configured to omit the req field, then the req field will be omitted from the request completed log event but the req field will always be there for the start log. This behavior is useful if you want to separate requests from responses and link the two via requestId (frequently done via headers['x-request-id']) , where "request start" only logs the request and a requestId, and request completed only logs the response and the requestId.

    options.logRequestComplete: boolean | (Request) => Boolean

    Default: true

    Whether hapi-pino should add a log.info() at the completion of Hapi requests for the given Request.

    For convenience, you can pass in true to always log request complete events, or false to disable logging request complete events

    options.stream Pino.DestinationStream

    Default: process.stdout

    the binary stream to write stuff to

    options.prettyPrint: boolean

    Default: false

    Pretty print the logs (same as node server | pino), disabled in production. Enable in development by passing true

    options.tags: ({ [key in pino.Level]?: string })

    Default: exposed via hapi-pino.levelTags

    A map to specify pairs of Hapi log tags and levels. The tags trace, debug, info, warn, and error map to their corresponding level. Any mappings you supply take precedence over the default mappings.

    options.allTags: pino.Level

    Default: 'info'

    The logging level to apply to all tags not matched by tags

    options.serializers: { [key: string]: pino.SerializerFn }

    An object to overwrite the default serializers. You can but don't have to overwrite all of them.

    Example:
    To redact the authorization header in the logs:

    {
      req: require('pino-noir')(['req.headers.authorization']).req
      res: ...
      err: ...
    }

    options.instance: Pino

    Uses a previously created Pino instance as the logger. The instance's stream and serializers take precedence.

    options.logEvents: string[] | false | null

    Default: ['onPostStart', 'onPostStop', 'response', 'request-error'] (all events)

    Takes an array of strings with the events to log.

    Set to false/null to disable all events. Even though there is no request-error Hapi Event, the options enables the logging of failed requests.

    options.mergeHapiLogData: boolean

    Default: false

    When enabled, Hapi-pino will merge the data received from Hapi's logging interface (server.log(tags, data) or request.log(tags, data)) into Pino's logged attributes at root level. If data is a string, it will be used as the value for the msg key. When disabled, Hapi-pino will keep data under a data key.

    Example:

    server.log(['info'], {hello: 'world'})
    
    // with mergeHapiLogData: true
    { level: 30, hello: 'world', ...}
    
    // with mergeHapiLogData: false (Default)
    { level: 30, data: { hello: 'world' }}

    options.getChildBindings: (request) => { [key]: any }

    Default: () => { req: Request }, which automatically adds the request to every pino log call

    Takes a function with the request as an input, and returns the object that will be passed into pinoLogger.child().

    Note: Omitting req from the child bindings will omit it from all logs, most notably the response log, except "request start".

    options.ignorePaths: string[]

    Takes an array of string routes and disables logging for each. Useful for health checks or any route that does not need logging.

    Example:
    Do not log for /health route

    ignorePaths: ['/health']

    options.ignoreTags: string[]

    Takes an array of string tags and disables logging for each. Useful for health checks or any route that does not need logging.

    Example:
    Do not log for route with healthcheck tag

    ignoreTags: ['healthcheck']

    options.ignoreFunc: (options, request) => boolean

    Takes a function that receives the plugin options and the request as parameters, and returns a boolean. Logging will be disabled if the return value is true. Useful for scenarios where the ignorePaths or ignoreTags options can't achieve what is intended.

    Example: Do not log routes relative to static content

    ignoreFunc: (options, request) => request.path.startsWith('/static')

    Note: if ignoreFunc is used, the other two options that can be used to ignore / disable logging (ignorePaths and ignoreTags) are effectively discarded. So ignoreFunc can be seen a more advanced option. For instance, you can easily re-implement the ignorePaths functionality as follows:

    ignoreFunc: (options, request) => myIgnorePaths.include(request.path)

    (where myIgnorePaths would be an array with paths to be ignored).

    options.ignoredEventTags: object[]

    Takes an array of object tags and disables logging for each. Useful for debug logs or any other tags that does not need logging.

    Default: { log: '*', request: '*' }, Logs all the events emitted by server.log and request.log without filtering event tags

    Example: Do not log the events for DEBUG and TEST tag

    ignoredEventTags: { log: ['DEBUG', 'TEST'], request: ['DEBUG', 'TEST'] }
    server.log(['DEBUG'], 'DEBUG')

    options.level: Pino.Level

    Default: 'info'

    Set the minimum level that Pino should log out. See Level.

    Example:
    Configure Pino to output all debug or higher events:

    level: 'debug'

    options.redact: string[] | pino.redactOptions

    Path to be redacted in the log lines. See the log redaction docs for more details.

    Server Decorations

    hapi-pino decorates the Hapi server with server.logger, which is an instance of pino. See its doc for the way to actual log.

    Request Decorations

    hapi-pino decorates the Hapi request with:

    • request.logger, which is an instance of pino bound to the current request, so you can trace all the logs of a given request. See pino doc for the way to actual log.

    Hapi Events

    hapi-pino listens to some Hapi events:

    • 'onRequest', to create a request-specific child logger
    • 'response', to log at 'info' level when a request is completed
    • 'request', to support logging via the Hapi request.log() method and to log at 'warn' level when a request errors or when request received contains an invalid accept-encoding header, see tags and allTags options.
    • 'log', to support logging via the Hapi server.log() method and to log in case of an internal server event, see tags and allTags options.
    • 'onPostStart', to log when the server is started
    • 'onPostStop', to log when the server is stopped

    Acknowledgements

    This project was kindly sponsored by nearForm.

    License

    MIT

    Install

    npm i @salesflare/hapi-pino

    DownloadsWeekly Downloads

    11

    Version

    10.0.0

    License

    MIT

    Unpacked Size

    82.7 kB

    Total Files

    15

    Last publish

    Collaborators

    • anthony.salesflare
    • lievenjanssen
    • jaspervdk
    • adrivanhoudt
    • kdeclerck