ref(ingest): Remove celery healthchecks entirely

src/sentry/conf/server.py

@@ -3918,19 +3918,15 @@ def custom_parameter_sort(parameter: dict) -> tuple[str, int]:
 SENTRY_SERVICE_MONITORING_REDIS_CLUSTER = "default"
 
 # This is a view of which abstract processing service is backed by which infrastructure.
-# Right now, the infrastructure can be `redis` or `rabbitmq`.
+# Right now, the infrastructure can be `redis`.
 #
 # For `redis`, one has to provide the cluster id.
 # It has to match a cluster defined in `redis.redis_clusters`.
 #
-# For `rabbitmq`, one has to provide a list of server URLs.
-# The URL is in the format `http://{user}:{password}@{hostname}:{port}/`.
-#
 # The definition can also be empty, in which case nothing is checked and
 # the service is assumed to be healthy.
 # However, the service *must* be defined.
 SENTRY_PROCESSING_SERVICES: Mapping[str, Any] = {
-    "celery": {"redis": "default"},
     "attachments-store": {"redis": "default"},
     "processing-store": {},  # "redis": "processing"},
     "processing-store-transactions": {},

src/sentry/options/defaults.py

@@ -2199,11 +2199,6 @@
 
 # The high-watermark levels per-service which will mark a service as unhealthy.
 # This should mirror the `SENTRY_PROCESSING_SERVICES` setting.
-register(
-    "backpressure.high_watermarks.celery",
-    default=0.5,
-    flags=FLAG_AUTOMATOR_MODIFIABLE,
-)
 register(
     "backpressure.high_watermarks.attachments-store",
     default=0.8,

src/sentry/processing/backpressure/memory.py

@@ -3,7 +3,6 @@
 from typing import Any, Union
 
 import rb
-import requests
 from redis import StrictRedis
 from rediscluster import RedisCluster
 
@@ -30,21 +29,6 @@ class NodeInfo:
     port: int | None
 
 
-def query_rabbitmq_memory_usage(host: str) -> ServiceMemory:
-    """Returns the currently used memory and the memory limit of a
-    RabbitMQ host.
-    """
-
-    if not host.endswith("/"):
-        host += "/"
-    url = f"{host}api/nodes"
-
-    response = requests.get(url, timeout=3)
-    response.raise_for_status()
-    json = response.json()
-    return ServiceMemory(host, json[0]["mem_used"], json[0]["mem_limit"])
-
-
 # Based on configuration, this could be:
 # - a `rediscluster` Cluster (actually `RetryingRedisCluster`)
 # - a `rb.Cluster` (client side routing cluster client)

src/sentry/processing/backpressure/monitor.py

@@ -11,12 +11,7 @@
 from sentry.processing.backpressure.health import UnhealthyReasons, record_consumer_health
 
 # from sentry import options
-from sentry.processing.backpressure.memory import (
-    Cluster,
-    ServiceMemory,
-    iter_cluster_memory_usage,
-    query_rabbitmq_memory_usage,
-)
+from sentry.processing.backpressure.memory import Cluster, ServiceMemory, iter_cluster_memory_usage
 from sentry.processing.backpressure.topology import ProcessingServices
 from sentry.utils import redis
 
@@ -28,12 +23,7 @@ class Redis:
     cluster: Cluster
 
 
-@dataclass
-class RabbitMq:
-    servers: list[str]
-
-
-Service = Union[Redis, RabbitMq, None]
+Service = Union[Redis, None]
 
 
 def check_service_memory(service: Service) -> Generator[ServiceMemory]:
@@ -45,10 +35,6 @@ def check_service_memory(service: Service) -> Generator[ServiceMemory]:
     if isinstance(service, Redis):
         yield from iter_cluster_memory_usage(service.cluster)
 
-    elif isinstance(service, RabbitMq):
-        for server in service.servers:
-            yield query_rabbitmq_memory_usage(server)
-
 
 def load_service_definitions() -> dict[str, Service]:
     services: dict[str, Service] = {}
@@ -59,10 +45,6 @@ def load_service_definitions() -> dict[str, Service]:
                 config={"cluster": cluster_id},
             )
             services[name] = Redis(cluster)
-
-        elif rabbitmq_urls := definition.get("rabbitmq"):
-            services[name] = RabbitMq(rabbitmq_urls)
-
         else:
             services[name] = None
 

src/sentry/processing/backpressure/topology.py

@@ -8,7 +8,6 @@
 
 
 class ProcessingServices(Enum):
-    Celery = "celery"
     AttachmentsStore = "attachments-store"
     ProcessingStore = "processing-store"
     ProcessingStoreTransactions = "processing-store-transactions"
@@ -17,7 +16,7 @@ class ProcessingServices(Enum):
 
 
 def get_all_services() -> list[str]:
-    return [item.value for item in ProcessingServices if item != ProcessingServices.Celery]
+    return [item.value for item in ProcessingServices]
 
 
 CONSUMERS = {