Add sentry_client_traces_sample_rate for client-side performance tracing

Separate from the server-side sentry_traces_sample_rate so admins can
independently control browser performance trace sampling. Defaults to 0
(no client performance traces).

client/src/app/addons/sentry.ts

@@ -1,10 +1,10 @@
-import type { Integration } from "@sentry/core";
 import * as Sentry from "@sentry/vue";
 import Vue from "vue";
 import type VueRouter from "vue-router";
 
 interface GalaxyConfig {
     sentry_dsn_public?: string;
+    sentry_client_traces_sample_rate?: number;
     version_major: string;
     version_minor?: string;
 }
@@ -50,7 +50,7 @@ export function initSentry(Galaxy: GalaxyInstance, router: VueRouter): void {
     }
 
     const replayEnabled = isReplayEnabled(Galaxy.user);
-    const integrations: Integration[] = [Sentry.browserTracingIntegration({ router })];
+    const integrations = [Sentry.browserTracingIntegration({ router })];
     if (replayEnabled) {
         integrations.push(
             Sentry.replayIntegration({
@@ -65,6 +65,7 @@ export function initSentry(Galaxy: GalaxyInstance, router: VueRouter): void {
         dsn: config.sentry_dsn_public,
         integrations,
         release,
+        tracesSampleRate: config.sentry_client_traces_sample_rate ?? 0,
         replaysSessionSampleRate: 0,
         replaysOnErrorSampleRate: replayEnabled ? 1.0 : 0,
         beforeSend(event, hint) {

doc/source/admin/galaxy_options.rst

@@ -3300,6 +3300,19 @@
 :Type: float
 
 
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+``sentry_client_traces_sample_rate``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+:Description:
+    Sample rate for client-side (browser) performance tracing, between
+    0 and 1. Controls what fraction of page loads and navigations
+    generate performance traces sent to Sentry. Independent of
+    sentry_traces_sample_rate, which controls server-side tracing.
+:Default: ``0.0``
+:Type: float
+
+
 ~~~~~~~~~~~~~~~~~~~
 ``sentry_ca_certs``
 ~~~~~~~~~~~~~~~~~~~

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

@@ -1911,6 +1911,12 @@ galaxy:
   # to Sentry. A value higher than 0 is required to analyze performance.
   #sentry_traces_sample_rate: 0.0
 
+  # Sample rate for client-side (browser) performance tracing, between 0
+  # and 1. Controls what fraction of page loads and navigations generate
+  # performance traces sent to Sentry. Independent of
+  # sentry_traces_sample_rate, which controls server-side tracing.
+  #sentry_client_traces_sample_rate: 0.0
+
   # 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.

lib/galaxy/config/schemas/config_schema.yml

@@ -2431,6 +2431,16 @@ mapping:
           will have that percentage chance of being sent to Sentry. A value higher than 0
           is required to analyze performance.
 
+      sentry_client_traces_sample_rate:
+        type: float
+        default: 0.0
+        required: false
+        desc: |
+          Sample rate for client-side (browser) performance tracing, between 0
+          and 1. Controls what fraction of page loads and navigations generate
+          performance traces sent to Sentry. Independent of
+          sentry_traces_sample_rate, which controls server-side tracing.
+
       sentry_ca_certs:
         type: str
         required: False

lib/galaxy/managers/configuration.py

@@ -245,6 +245,7 @@ class ConfigSerializer(base.ModelSerializer):
             "install_resolver_dependencies": _use_config,
             "enable_tool_generated_tours": _use_config,
             "sentry_dsn_public": lambda item, key, **context: item.sentry_dsn_public,
+            "sentry_client_traces_sample_rate": _use_config,
             "enable_webhooks": lambda item, key, **context: hasattr(self.app, "webhooks_registry")
             and bool(self.app.webhooks_registry.webhooks),
         }