statsD-based instrumentation, that passes as a logger
| 21 | |
| 22 | |
| 23 | class Statsd(Logger): |
| 24 | """statsD-based instrumentation, that passes as a logger |
| 25 | """ |
| 26 | def __init__(self, cfg): |
| 27 | Logger.__init__(self, cfg) |
| 28 | self.prefix = sub(r"^(.+[^.]+)\.*$", "\\g<1>.", cfg.statsd_prefix) |
| 29 | |
| 30 | if isinstance(cfg.statsd_host, str): |
| 31 | address_family = socket.AF_UNIX |
| 32 | else: |
| 33 | address_family = socket.AF_INET |
| 34 | |
| 35 | try: |
| 36 | self.sock = socket.socket(address_family, socket.SOCK_DGRAM) |
| 37 | self.sock.connect(cfg.statsd_host) |
| 38 | except Exception: |
| 39 | self.sock = None |
| 40 | |
| 41 | self.dogstatsd_tags = cfg.dogstatsd_tags |
| 42 | |
| 43 | # Log errors and warnings |
| 44 | def critical(self, msg, *args, **kwargs): |
| 45 | Logger.critical(self, msg, *args, **kwargs) |
| 46 | self.increment("gunicorn.log.critical", 1) |
| 47 | |
| 48 | def error(self, msg, *args, **kwargs): |
| 49 | Logger.error(self, msg, *args, **kwargs) |
| 50 | self.increment("gunicorn.log.error", 1) |
| 51 | |
| 52 | def warning(self, msg, *args, **kwargs): |
| 53 | Logger.warning(self, msg, *args, **kwargs) |
| 54 | self.increment("gunicorn.log.warning", 1) |
| 55 | |
| 56 | def exception(self, msg, *args, **kwargs): |
| 57 | Logger.exception(self, msg, *args, **kwargs) |
| 58 | self.increment("gunicorn.log.exception", 1) |
| 59 | |
| 60 | # Special treatment for info, the most common log level |
| 61 | def info(self, msg, *args, **kwargs): |
| 62 | self.log(logging.INFO, msg, *args, **kwargs) |
| 63 | |
| 64 | # skip the run-of-the-mill logs |
| 65 | def debug(self, msg, *args, **kwargs): |
| 66 | self.log(logging.DEBUG, msg, *args, **kwargs) |
| 67 | |
| 68 | def log(self, lvl, msg, *args, **kwargs): |
| 69 | """Log a given statistic if metric, value and type are present |
| 70 | """ |
| 71 | try: |
| 72 | extra = kwargs.get("extra", None) |
| 73 | if extra is not None: |
| 74 | metric = extra.get(METRIC_VAR, None) |
| 75 | value = extra.get(VALUE_VAR, None) |
| 76 | typ = extra.get(MTYPE_VAR, None) |
| 77 | if metric and value and typ: |
| 78 | if typ == GAUGE_TYPE: |
| 79 | self.gauge(metric, value) |
| 80 | elif typ == COUNTER_TYPE: |
no outgoing calls