Sentry message improvement

docs/source/actions.rst

@@ -595,6 +595,11 @@ A notification on `Sentry`_ will look like the following one:
    :scale: 50 %
    :alt: Sentry Notification
 
+The message will have tags based on the failed monitor names (after replacing
+whitespace, special symbols etc.), but as the tag length is limited to 32 chars
+you should use ``@monitors.name`` to set monitor names that will produce useful
+tag names.
+
 The following settings are needed to make this action workable:
 
 .. _SPIDERMON_SENTRY_DSN:

spidermon/contrib/actions/sentry/__init__.py

@@ -2,6 +2,8 @@
 
 import logging
 
+from slugify import slugify
+
 logger = logging.getLogger(__name__)
 
 from sentry_sdk import configure_scope
@@ -100,12 +102,24 @@ def get_message(self):
 
         return message
 
+    def get_tags(self, message):
+        tags = {
+            "spider_name": message.get("spider_name", ""),
+            "project_name": self.project_name,
+        }
+        for failed_monitor in message.get("failed_monitors", []):
+            key = slugify(failed_monitor.split("/")[-1], max_length=32, separator="_")
+            tags[key] = 1
+        return tags
+
     def send_message(self, message):
 
         sentry_client = Client(dsn=self.sentry_dsn, environment=self.environment)
 
         with configure_scope() as scope:
-            scope.set_tag("project_name", self.project_name)
+            tags = self.get_tags(message)
+            for key, val in tags.items():
+                scope.set_tag(key, val)
 
             scope.set_extra("job_link", message.get("job_link", ""))
             scope.set_extra("spider_name", message.get("spider_name", ""))