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bunyan Changelog

bunyan 0.14.6

  • Export bunyan.safeCycles(). This may be useful for custom type == "raw" streams that may do JSON stringification of log records themselves. Usage:

      var str = JSON.stringify(rec, bunyan.safeCycles());
    
  • [issue #49] Allow a log.child() to specify the level of inherited streams. For example:

      # Before
      var childLog = log.child({...});
      childLog.level('debug');
    
      # After
      var childLog = log.child({..., level: 'debug'});
    
  • Improve the crash message to make it easier to provide relevant details in a bug report.

bunyan 0.14.5

  • Fix a bug in the long-stack-trace error serialization added in 0.14.4. The symptom:

      bunyan@0.14.4: .../node_modules/bunyan/lib/bunyan.js:1002
        var ret = ex.stack || ex.toString();
                    ^
      TypeError: Cannot read property 'stack' of undefined
          at getFullErrorStack (.../node_modules/bunyan/lib/bunyan.js:1002:15)
          ...
    

bunyan 0.14.4

  • Bad release. Use 0.14.5 instead.
  • Improve error serialization to walk the chain of .cause() errors from the likes of WError or VError error classes from verror and restify v2.0. Example:

      [2012-10-11T00:30:21.871Z] ERROR: imgapi/99612 on 0525989e-2086-4270-b960-41dd661ebd7d: my-message
          ValidationFailedError: my-message; caused by TypeError: cause-error-message
              at Server.apiPing (/opt/smartdc/imgapi/lib/app.js:45:23)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server.setupReq (/opt/smartdc/imgapi/lib/app.js:178:9)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server.parseBody (/opt/smartdc/imgapi/node_modules/restify/lib/plugins/body_parser.js:15:33)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server.parseQueryString (/opt/smartdc/imgapi/node_modules/restify/lib/plugins/query.js:40:25)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server._run (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:579:17)
              at Server._handle.log.trace.req (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:480:38)
          Caused by: TypeError: cause-error-message
              at Server.apiPing (/opt/smartdc/imgapi/lib/app.js:40:25)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server.setupReq (/opt/smartdc/imgapi/lib/app.js:178:9)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server.parseBody (/opt/smartdc/imgapi/node_modules/restify/lib/plugins/body_parser.js:15:33)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server.parseQueryString (/opt/smartdc/imgapi/node_modules/restify/lib/plugins/query.js:40:25)
              at next (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:550:50)
              at Server._run (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:579:17)
              at Server._handle.log.trace.req (/opt/smartdc/imgapi/node_modules/restify/lib/server.js:480:38)
    

bunyan 0.14.2

  • [issue #45] Fix bunyan CLI (default output mode) to not crash on a 'res' field that isn't a response object, but a string.

bunyan 0.14.1

  • [issue #44] Fix the default bunyan CLI output of a res.body that is an object instead of a string. See issue#38 for the same with req.body.

bunyan 0.14.0

  • [pull #41] Safe JSON.stringifying of emitted log records to avoid blowing up on circular objects (by Isaac Schlueter).

bunyan 0.13.5

  • [issue #39] Fix a bug with client_req handling in the default output of the bunyan CLI.

bunyan 0.13.4

  • [issue #38] Fix the default bunyan CLI output of a req.body that is an object instead of a string.

bunyan 0.13.3

  • Export bunyan.resolveLevel(NAME-OR-NUM) to resolve a level name or number to its log level number value:

      > bunyan.resolveLevel('INFO')
      30
      > bunyan.resolveLevel('debug')
      20
    

    A side-effect of this change is that the uppercase level name is now allowed in the logger constructor.

bunyan 0.13.2

  • [issue #35] Ensure that an accidental log.info(BUFFER), where BUFFER is a node.js Buffer object, doesn't blow up.

bunyan 0.13.1

  • [issue #34] Ensure req.body, res.body and other request/response fields are emitted by the bunyan CLI (mostly by Rob Gulewich).

bunyan 0.13.0

  • [issue #31] Re-instate defines for the (uppercase) log level names (TRACE, DEBUG, etc.) in bunyan -c "..." filtering condition code. E.g.:

      $ ... | bunyan -c 'level >= ERROR'
    

bunyan 0.12.0

  • [pull #32] bunyan -o short for more concise output (by Dave Pacheco). E.g.:

    22:56:52.856Z  INFO myservice: My message
    

    instead of:

      [2012-02-08T22:56:52.856Z]  INFO: myservice/123 on example.com: My message
    

bunyan 0.11.3

  • Add '--strict' option to bunyan CLI to suppress all but legal Bunyan JSON log lines. By default non-JSON, and non-Bunyan lines are passed through.

bunyan 0.11.2

  • [issue #30] Robust handling of 'req' field without a 'headers' subfield in bunyan CLI.
  • [issue #31] Pull the TRACE, DEBUG, et al defines from bunyan -c "..." filtering code. This was added in v0.11.1, but has a significant adverse affect.

bunyan 0.11.1

  • Bad release. The TRACE et al names are bleeding into the log records when using '-c'.
  • Add defines for the (uppercase) log level names (TRACE, DEBUG, etc.) in bunyan -c "..." filtering condition code. E.g.:

      $ ... | bunyan -c 'level >= ERROR'
    

bunyan 0.11.0

  • [pull #29] Add -l/--level for level filtering, and -c/--condition for arbitrary conditional filtering (by github.com/isaacs):

      $ ... | bunyan -l error   # filter out log records below error
      $ ... | bunyan -l 50      # numeric value works too
      $ ... | bunyan -c 'level===50'              # equiv with -c filtering
      $ ... | bunyan -c 'pid===123'               # filter on any field
      $ ... | bunyan -c 'pid===123' -c '_audit'   # multiple filters
    

bunyan 0.10.0

  • [pull #24] Support for gzip'ed log files in the bunyan CLI (by github.com/mhart):

      $ bunyan foo.log.gz
      ...
    

bunyan 0.9.0

  • [pull #16] Bullet proof the bunyan.stdSerializers (by github.com/rlidwka).

  • [pull #15] The bunyan CLI will now chronologically merge multiple log streams when it is given multiple file arguments. (by github.com/davepacheco)

      $ bunyan foo.log bar.log
      ... merged log records ...
    
  • [pull #15] A new bunyan.RingBuffer stream class that is useful for keeping the last N log messages in memory. This can be a fast way to keep recent, and thus hopefully relevant, log messages. (by @dapsays, github.com/davepacheco)

    Potential uses: Live debugging if a running process could inspect those messages. One could dump recent log messages at a finer log level than is typically logged on uncaughtException.

      var ringbuffer = new bunyan.RingBuffer({ limit: 100 });
      var log = new bunyan({
          name: 'foo',
          streams: [{
              type: 'raw',
              stream: ringbuffer,
              level: 'debug'
          }]
      });
    
      log.info('hello world');
      console.log(ringbuffer.records);
    
  • Add support for "raw" streams. This is a logging stream that is given raw log record objects instead of a JSON-stringified string.

      function Collector() {
          this.records = [];
      }
      Collector.prototype.write = function (rec) {
          this.records.push(rec);
      }
      var log = new Logger({
          name: 'mylog',
          streams: [{
              type: 'raw',
              stream: new Collector()
          }]
      });
    

    See "examples/raw-stream.js". I expect raw streams to be useful for piping Bunyan logging to separate services (e.g. http://www.loggly.com/, https://github.com/etsy/statsd) or to separate in-process handling.

  • Add test/corpus/*.log files (accidentally excluded) so the test suite actually works(!).

bunyan 0.8.0

  • [pull #21] Bunyan loggers now re-emit fs.createWriteStream error events. By github.com/EvanOxfeld. See "examples/handle-fs-error.js" and "test/error-event.js" for details.

      var log = new Logger({name: 'mylog', streams: [{path: FILENAME}]});
      log.on('error', function (err, stream) {
          // Handle error writing to or creating FILENAME.
      });
    
  • jsstyle'ing (via make check)

bunyan 0.7.0

  • [issue #12] Add bunyan.createLogger(OPTIONS) form, as is more typical in node.js APIs. This'll eventually become the preferred form.

bunyan 0.6.9

  • Change bunyan CLI default output to color "src" info red. Before the "src" information was uncolored. The "src" info is the filename, line number and function name resulting from using src: true in Logger creation. I.e., the (/Users/trentm/tm/node-bunyan/examples/hi.js:10) in:

      [2012-04-10T22:28:58.237Z]  INFO: myapp/39339 on banana.local (/Users/trentm/tm/node-bunyan/examples/hi.js:10): hi
    
  • Tweak bunyan CLI default output to still show an "err" field if it doesn't have a "stack" attribute.

bunyan 0.6.8

  • Fix bad bug in log.child({...}, true); where the added child fields would be added to the parent's fields. This bug only existed for the "fast child" path (that second true argument). A side-effect of fixing this is that the "fast child" path is only 5 times as fast as the regular log.child, instead of 10 times faster.

bunyan 0.6.7

  • [issue #6] Fix bleeding 'type' var to global namespace. (Thanks Mike!)

bunyan 0.6.6

  • Add support to the bunyan CLI taking log file path args, bunyan foo.log, in addition to the usual cat foo.log | bunyan.
  • Improve reliability of the default output formatting of the bunyan CLI. Before it could blow up processing log records missing some expected fields.

bunyan 0.6.5

  • ANSI coloring output from bunyan CLI tool (for the default output mode/style). Also add the '--color' option to force coloring if the output stream is not a TTY, e.g. cat my.log | bunyan --color | less -R. Use --no-color to disable coloring, e.g. if your terminal doesn't support ANSI codes.
  • Add 'level' field to log record before custom fields for that record. This just means that the raw record JSON will show the 'level' field earlier, which is a bit nicer for raw reading.

bunyan 0.6.4

  • [issue #5] Fix log.info() -> boolean to work properly. Previous all were returning false. Ditto all trace/debug/.../fatal methods.

bunyan 0.6.3

  • Allow an optional msg and arguments to the log.info(<Error> err) logging form. For example, before:

      log.debug(my_error_instance)            // good
      log.debug(my_error_instance, "boom!")   // wasn't allowed
    

    Now the latter is allowed if you want to expliciting set the log msg. Of course this applies to all the log.{trace|debug|info...}() methods.

  • bunyan cli output: clarify extra fields with quoting if empty or have spaces. E.g. 'cmd' and 'stderr' in the following:

      [2012-02-12T00:30:43.736Z] INFO: mo-docs/43194 on banana.local: buildDocs results (req_id=185edca2-2886-43dc-911c-fe41c09ec0f5, route=PutDocset, error=null, stderr="", cmd="make docs")
    

bunyan 0.6.2

bunyan 0.6.1

  • Internal: starting jsstyle usage.
  • Internal: add .npmignore. Previous packages had reams of bunyan crud in them.

bunyan 0.6.0

  • Add 'pid' automatic log record field.

bunyan 0.5.3

  • Add 'client_req' (HTTP client request) standard formatting in bunyan CLI default output.
  • Improve bunyan CLI default output to include all log record keys. Unknown keys are either included in the first line parenthetical (if short) or in the indented subsequent block (if long or multiline).

bunyan 0.5.2

  • [issue #3] More type checking of new Logger(...) and log.child(...) options.
  • Start a test suite.

bunyan 0.5.1

  • [issue #2] Add guard on JSON.stringifying of log records before emission. This will prevent log.info et al throwing on record fields that cannot be represented as JSON. An error will be printed on stderr and a clipped log record emitted with a 'bunyanMsg' key including error details. E.g.:

      bunyan: ERROR: could not stringify log record from /Users/trentm/tm/node-bunyan/examples/unstringifyable.js:12: TypeError: Converting circular structure to JSON
      {
        "name": "foo",
        "hostname": "banana.local",
        "bunyanMsg": "bunyan: ERROR: could not stringify log record from /Users/trentm/tm/node-bunyan/examples/unstringifyable.js:12: TypeError: Converting circular structure to JSON",
      ...
    

    Some timing shows this does effect log speed:

      $ node tools/timeguard.js     # before
      Time try/catch-guard on JSON.stringify:
       - log.info:  0.07365ms per iteration
      $ node tools/timeguard.js     # after
      Time try/catch-guard on JSON.stringify:
       - log.info:  0.07368ms per iteration
    

bunyan 0.5.0

  • Use 10/20/... instead of 1/2/... for level constant values. Ostensibly this allows for intermediary levels from the defined "trace/debug/..." set. However, that is discouraged. I'd need a strong user argument to add support for easily using alternative levels. Consider using a separate JSON field instead.
  • s/service/name/ for Logger name field. "service" is unnecessarily tied to usage for a service. No need to differ from log4j Logger "name".
  • Add log.level(...) and log.levels(...) API for changing logger stream levels.
  • Add TRACE|DEBUG|INFO|WARN|ERROR|FATAL level constants to exports.
  • Add log.info(err) special case for logging an Error instance. For example log.info(new TypeError("boom") will produce:

      ...
      "err": {
        "message": "boom",
        "name": "TypeError",
        "stack": "TypeError: boom\n    at Object.<anonymous> ..."
      },
      "msg": "boom",
      ...
    

bunyan 0.4.0

  • Add new Logger({src: true}) config option to have a 'src' attribute be automatically added to log records with the log call source info. Example:

      "src": {
        "file": "/Users/trentm/tm/node-bunyan/examples/src.js",
        "line": 20,
        "func": "Wuzzle.woos"
      },
    

bunyan 0.3.0

  • log.child(options[, simple]) Added simple boolean arg. Set true to assert that options only add fields (no config changes). Results in a 10x speed increase in child creation. See "tools/timechild.js". On my Mac, "fast child" creation takes about 0.001ms. IOW, if your app is dishing 10,000 req/s, then creating a log child for each request will take about 1% of the request time.
  • log.clone -> log.child to better reflect the relationship: streams and serializers are inherited. Streams can't be removed as part of the child creation. The child doesn't own the parent's streams (so can't close them).
  • Clean up Logger creation. The goal here was to ensure log.child usage is fast. TODO: measure that.
  • Add Logger.stdSerializers.err serializer which is necessary to get good Error object logging with node 0.6 (where core Error object properties are non-enumerable).

bunyan 0.2.0

  • Spec'ing core/recommended log record fields.
  • Add LOG_VERSION to exports.
  • Improvements to request/response serializations.

bunyan 0.1.0

First release.

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