Add enable_statsd_middleware option so that backend execution timing can be sent to statsd without enabling web request timing.

doc/source/admin/galaxy_options.rst

@@ -3325,6 +3325,20 @@
 :Type: str
 
 
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+``enable_statsd_middleware``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+:Description:
+    Default is true if statsd_host is set. Enable the statsd
+    middleware. If false and statsd_host is also set, only timing of
+    certain performance-critical backend tasks (e.g. the job handler
+    monitor loop time) data will be sent to statsd, but not web
+    request timing.
+:Default: ``false``
+:Type: bool
+
+
 ~~~~~~~~~~~~~~~
 ``statsd_host``
 ~~~~~~~~~~~~~~~

lib/galaxy/config/sample/galaxy.yml.sample

@@ -1922,6 +1922,12 @@ galaxy:
   # self-signed certificate.
   #sentry_ca_certs: null
 
+  # Default is true if statsd_host is set. Enable the statsd middleware.
+  # If false and statsd_host is also set, only timing of certain
+  # performance-critical backend tasks (e.g. the job handler monitor
+  # loop time) data will be sent to statsd, but not web request timing.
+  #enable_statsd_middleware: false
+
   # Log to statsd Statsd is an external statistics aggregator
   # (https://github.com/etsy/statsd) Enabling the following options will
   # cause galaxy to log request timing and other statistics to the

lib/galaxy/config/schemas/config_schema.yml

@@ -2448,6 +2448,17 @@ mapping:
           Use this option to provide the path to location of the CA (Certificate Authority)
           certificate file if the sentry server uses a self-signed certificate.
 
+      enable_statsd_middleware:
+        type: bool
+        default: false
+        required: false
+        desc: |
+          Default is true if statsd_host is set.
+          Enable the statsd middleware. If false and statsd_host is also set,
+          only timing of certain performance-critical backend tasks (e.g. the
+          job handler monitor loop time) data will be sent to statsd, but not
+          web request timing.
+
       statsd_host:
         type: str
         required: false

lib/galaxy/webapps/galaxy/buildapp.py

@@ -1023,7 +1023,8 @@ def wrap_in_middleware(app, global_conf, application_stack, **local_conf):
     # other middleware):
     app = wrap_if_allowed(app, stack, httpexceptions.make_middleware, name="paste.httpexceptions", args=(conf,))
     # Statsd request timing and profiling
-    if statsd_host := conf.get("statsd_host", None):
+    statsd_host = conf.get("statsd_host", None)
+    if statsd_host and conf.get("enable_statsd_middleware", statsd_host is not None):
         from galaxy.web.framework.middleware.statsd import StatsdMiddleware
 
         app = wrap_if_allowed(