feat: Use modern metrics

Convert all tags to lists via make_tags

Closes #943, #950

autopush/db.py

@@ -42,7 +42,7 @@
     attrib,
     Factory
 )
-from boto.exception import JSONResponseError, BotoServerError
+from boto.exception import JSONResponseError
 from boto.dynamodb2.exceptions import (
     ConditionalCheckFailedException,
     ItemNotFound,
@@ -298,17 +298,7 @@ def track_provisioned(func):
     def wrapper(self, *args, **kwargs):
         if TRACK_DB_CALLS:
             DB_CALLS.append(func.__name__)
-        try:
-            return func(self, *args, **kwargs)
-        except ProvisionedThroughputExceededException:
-            self.metrics.increment("error.provisioned.%s" % func.__name__)
-            raise
-        except JSONResponseError:
-            self.metrics.increment("error.jsonresponse.%s" % func.__name__)
-            raise
-        except BotoServerError:
-            self.metrics.increment("error.botoserver.%s" % func.__name__)
-            raise
+        return func(self, *args, **kwargs)
     return wrapper
 
 
@@ -433,7 +423,6 @@ def delete_notification(self, uaid, chid, version=None):
                                        chid=normalize_id(chid))
             return True
         except ProvisionedThroughputExceededException:
-            self.metrics.increment("error.provisioned.delete_notification")
             return False
 
 
@@ -678,7 +667,6 @@ def get_uaid(self, uaid):
             # We unfortunately have to catch this here, as track_provisioned
             # will not see this, since JSONResponseError is a subclass and
             # will capture it
-            self.metrics.increment("error.provisioned.get_uaid")
             raise
         except JSONResponseError:  # pragma: nocover
             # We trap JSONResponseError because Moto returns text instead of

autopush/main.py

@@ -260,7 +260,6 @@ def add_websocket(self):
                                             self.clients)
         site_factory = self.websocket_site_factory(settings, ws_factory)
         self.add_maybe_ssl(settings.port, site_factory, site_factory.ssl_cf())
-        self.add_timer(1.0, ws_factory.periodic_reporter, self.db.metrics)
 
     @classmethod
     def from_argparse(cls, ns):

autopush/metrics.py

@@ -1,5 +1,5 @@
 """Metrics interface and implementations"""
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Sequence, Any  # noqa
 
 from twisted.internet import reactor
 from txstatsd.client import StatsDClientProtocol, TwistedStatsDClient
@@ -74,6 +74,14 @@ def timing(self, name, duration, **kwargs):
         self._metric.timing(name, duration)
 
 
+def make_tags(base=None, **kwargs):
+    # type: (Sequence[str], **Any) -> Sequence[str]
+    """Generate a list of tag values"""
+    tags = list(base or [])
+    tags.extend('{}:{}'.format(key, val) for key, val in kwargs.iteritems())
+    return tags
+
+
 class DatadogMetrics(object):
     """DataDog Metric backend"""
     def __init__(self, api_key, app_key, hostname, flush_interval=10,

autopush/router/apnsrouter.py

@@ -8,6 +8,7 @@
 from twisted.python.failure import Failure
 
 from autopush.exceptions import RouterException
+from autopush.metrics import make_tags
 from autopush.router.apns2 import (
     APNSClient,
     APNS_MAX_CONNECTIONS,
@@ -62,7 +63,7 @@ def __init__(self, ap_settings, router_conf, metrics,
         self.ap_settings = ap_settings
         self._config = router_conf
         self.metrics = metrics
-        self._base_tags = []
+        self._base_tags = ["platform:apns"]
         self.apns = dict()
         for rel_channel in self._config:
             self.apns[rel_channel] = self._connect(rel_channel,
@@ -144,8 +145,10 @@ def _route(self, notification, router_data):
             apns_client.send(router_token=router_token, payload=payload,
                              apns_id=apns_id)
         except (ConnectionError, AttributeError) as ex:
-            self.metrics.increment("updates.client.bridge.apns.connection_err",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  application=rel_channel,
+                                                  reason="connection_error"))
             self.log.error("Connection Error sending to APNS",
                            log_failure=Failure(ex))
             raise RouterException(
@@ -165,11 +168,19 @@ def _route(self, notification, router_data):
 
         location = "%s/m/%s" % (self.ap_settings.endpoint_url,
                                 notification.version)
+        self.metrics.increment("notification.bridge.sent",
+                               tags=make_tags(self._base_tags,
+                                              application=rel_channel))
+
         self.metrics.increment(
             "updates.client.bridge.apns.%s.sent" %
             router_data["rel_channel"],
             self._base_tags
         )
+        self.metrics.gauge("notification.message_data",
+                           notification.data_length,
+                           tags=make_tags(self._base_tags,
+                                          destination='Direct'))
         return RouterResponse(status_code=201, response_body="",
                               headers={"TTL": notification.ttl,
                                        "Location": location},

autopush/router/fcm.py

@@ -7,6 +7,7 @@
 from twisted.logger import Logger
 
 from autopush.exceptions import RouterException
+from autopush.metrics import make_tags
 from autopush.router.interface import RouterResponse
 from autopush.types import JSONDict  # noqa
 
@@ -110,7 +111,7 @@ def __init__(self, ap_settings, router_conf, metrics):
         self.collapseKey = router_conf.get("collapseKey", "webpush")
         self.senderID = router_conf.get("senderID")
         self.auth = router_conf.get("auth")
-        self._base_tags = []
+        self._base_tags = ["platform:fcm"]
         try:
             self.fcm = pyfcm.FCMNotification(api_key=self.auth)
         except Exception as e:
@@ -165,12 +166,12 @@ def _route(self, notification, router_data):
         # correct encryption headers are included with the data.
         if notification.data:
             mdata = self.config.get('max_data', 4096)
-            if len(notification.data) > mdata:
+            if notification.data_length > mdata:
                 raise self._error("This message is intended for a " +
                                   "constrained device and is limited " +
                                   "to 3070 bytes. Converted buffer too " +
                                   "long by %d bytes" %
-                                  (len(notification.data) - mdata),
+                                  (notification.data_length - mdata),
                                   413, errno=104, log_exception=False)
 
             data['body'] = notification.data
@@ -199,16 +200,16 @@ def _route(self, notification, router_data):
             self.log.error("Authentication Error: %s" % e)
             raise RouterException("Server error", status_code=500)
         except ConnectionError as e:
-            self.metrics.increment("updates.client.bridge.fcm.connection_err",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(
+                                       self._base_tags,
+                                       reason="connection_unavailable"))
             self.log.warn("Could not connect to FCM server: %s" % e)
             raise RouterException("Server error", status_code=502,
                                   log_exception=False)
         except Exception as e:
             self.log.error("Unhandled FCM Error: %s" % e)
             raise RouterException("Server error", status_code=500)
-        self.metrics.increment("updates.client.bridge.fcm.attempted",
-                               self._base_tags)
         return self._process_reply(result, notification, router_data,
                                    ttl=router_ttl)
 
@@ -229,20 +230,22 @@ def _process_reply(self, reply, notification, router_data, ttl):
             new_id = result.get('registration_id')
             self.log.debug("FCM id changed : {old} => {new}",
                            old=old_id, new=new_id)
-            self.metrics.increment("updates.client.bridge.fcm.failed.rereg",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  reason="reregister"))
             return RouterResponse(status_code=503,
                                   response_body="Please try request again.",
                                   router_data=dict(token=new_id))
         if reply.get('failure'):
-            self.metrics.increment("updates.client.bridge.fcm.failed",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  reason="failure"))
             reason = result.get('error', "Unreported")
             err = self.reasonTable.get(reason)
             if err.get("crit", False):
                 self.log.critical(
                     err['msg'],
-                    nlen=len(notification.data),
+                    nlen=notification.data_length,
                     regid=router_data["token"],
                     senderid=self.senderID,
                     ttl=notification.ttl,
@@ -263,8 +266,12 @@ def _process_reply(self, reply, notification, router_data, ttl):
                 response_body=err['msg'],
                 router_data={},
             )
-        self.metrics.increment("updates.client.bridge.fcm.succeeded",
+        self.metrics.increment("notification.bridge.sent",
                                self._base_tags)
+        self.metrics.gauge("notification.message_data",
+                           notification.data_length,
+                           tags=make_tags(self._base_tags,
+                                          destination="Direct"))
         location = "%s/m/%s" % (self.ap_settings.endpoint_url,
                                 notification.version)
         return RouterResponse(status_code=201, response_body="",

autopush/router/gcm.py

@@ -7,6 +7,7 @@
 from twisted.logger import Logger
 
 from autopush.exceptions import RouterException
+from autopush.metrics import make_tags
 from autopush.router.interface import RouterResponse
 from autopush.types import JSONDict  # noqa
 
@@ -38,7 +39,7 @@ def __init__(self, ap_settings, router_conf, metrics):
                 self.gcm[sid] = gcmclient.GCM(auth)
             except:
                 raise IOError("GCM Bridge not initiated in main")
-        self._base_tags = []
+        self._base_tags = ["platform:gcm"]
         self.log.debug("Starting GCM router...")
 
     def amend_endpoint_response(self, response, router_data):
@@ -82,12 +83,12 @@ def _route(self, notification, uaid_data):
         # correct encryption headers are included with the data.
         if notification.data:
             mdata = self.config.get('max_data', 4096)
-            if len(notification.data) > mdata:
+            if notification.data_length > mdata:
                 raise self._error("This message is intended for a " +
                                   "constrained device and is limited " +
                                   "to 3070 bytes. Converted buffer too " +
                                   "long by %d bytes" %
-                                  (len(notification.data) - mdata),
+                                  (notification.data_length - mdata),
                                   413, errno=104, log_exception=False)
 
             data['body'] = notification.data
@@ -122,15 +123,15 @@ def _route(self, notification, uaid_data):
             raise RouterException("Server error", status_code=500)
         except ConnectionError as e:
             self.log.warn("GCM Unavailable: %s" % e)
-            self.metrics.increment("updates.client.bridge.gcm.connection_err",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(
+                                       self._base_tags,
+                                       reason="connection_unavailable"))
             raise RouterException("Server error", status_code=502,
                                   log_exception=False)
         except Exception as e:
             self.log.error("Unhandled exception in GCM Routing: %s" % e)
             raise RouterException("Server error", status_code=500)
-        self.metrics.increment("updates.client.bridge.gcm.attempted",
-                               self._base_tags)
         return self._process_reply(result, uaid_data, ttl=router_ttl,
                                    notification=notification)
 
@@ -148,16 +149,18 @@ def _process_reply(self, reply, uaid_data, ttl, notification):
         for old_id, new_id in reply.canonical.items():
             self.log.debug("GCM id changed : {old} => {new}",
                            old=old_id, new=new_id)
-            self.metrics.increment("updates.client.bridge.gcm.failed.rereg",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  reason="reregister"))
             return RouterResponse(status_code=503,
                                   response_body="Please try request again.",
                                   router_data=dict(token=new_id))
         # naks:
         # uninstall:
         for reg_id in reply.not_registered:
-            self.metrics.increment("updates.client.bridge.gcm.failed.unreg",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  reason="unregistered"))
             self.log.debug("GCM no longer registered: %s" % reg_id)
             return RouterResponse(
                 status_code=410,
@@ -167,8 +170,9 @@ def _process_reply(self, reply, uaid_data, ttl, notification):
 
         #  for reg_id, err_code in reply.failed.items():
         if len(reply.failed.items()) > 0:
-            self.metrics.increment("updates.client.bridge.gcm.failed.failure",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  reason="failure"))
             self.log.debug("GCM failures: {failed()}",
                            failed=lambda: repr(reply.failed.items()))
             raise RouterException("GCM unable to deliver", status_code=410,
@@ -178,17 +182,22 @@ def _process_reply(self, reply, uaid_data, ttl, notification):
 
         # retries:
         if reply.needs_retry():
-            self.metrics.increment("updates.client.bridge.gcm.failed.retry",
-                                   self._base_tags)
+            self.metrics.increment("notification.bridge.error",
+                                   tags=make_tags(self._base_tags,
+                                                  reason="retry"))
             self.log.warn("GCM retry requested: {failed()}",
                           failed=lambda: repr(reply.failed.items()))
             raise RouterException("GCM failure to deliver, retry",
                                   status_code=503,
                                   response_body="Please try request later.",
                                   log_exception=False)
 
-        self.metrics.increment("updates.client.bridge.gcm.succeeded",
+        self.metrics.increment("notification.bridge.sent",
                                self._base_tags)
+        self.metrics.gauge("notification.message_data",
+                           notification.data_length,
+                           tags=make_tags(self._base_tags,
+                                          destination='Direct'))
         location = "%s/m/%s" % (self.ap_settings.endpoint_url,
                                 notification.version)
         return RouterResponse(status_code=201, response_body="",