ignore opentelemetry export logs from sentry.io upload (#13232)

Co-authored-by: Matthias Mair <code@mjmair.com>

src/backend/InvenTree/InvenTree/sentry.py

@@ -12,6 +12,7 @@ import sentry_sdk
 import structlog
 from djmoney.contrib.exchange.exceptions import MissingRate
 from sentry_sdk.integrations.django import DjangoIntegration
+from sentry_sdk.integrations.logging import ignore_logger
 
 import InvenTree.version
 
@@ -41,10 +42,34 @@ def sentry_ignore_errors():  # pragma: no cover
     ]
 
 
+def sentry_ignore_loggers():
+    """Return a list of logger names (fnmatch patterns) to ignore.
+
+    Log records from these loggers will *not* be reported to sentry.io
+    (neither as events nor as breadcrumbs).
+
+    The OpenTelemetry exporters log at ERROR level whenever the configured
+    OTLP collector is slow or unreachable (e.g. "Failed to export spans batch
+    due to timeout, max retries or shutdown."). These are deployment /
+    network issues with the telemetry backend, not InvenTree errors.
+    """
+    return [
+        # OTLP exporters (http + grpc; traces, metrics, logs)
+        'opentelemetry.exporter.*',
+        # Batch span / log processors ("Exception while exporting ...")
+        'opentelemetry.sdk._shared_internal',
+        # Periodic metric reader
+        'opentelemetry.sdk.metrics._internal.export',
+    ]
+
+
 def init_sentry(dsn, sample_rate, tags, send_pii=False):  # pragma: no cover
     """Initialize sentry.io error reporting."""
     logger.info('Initializing sentry.io integration')
 
+    for name in sentry_ignore_loggers():
+        ignore_logger(name)
+
     sentry_sdk.init(
         dsn=dsn,
         integrations=[DjangoIntegration()],