ref(seer): Add option to route fixability requests to GPU (#96926)

from reading the getsentry CI, seems like this is a prereq for the
change in getsentry: getsentry/getsentry#18068

deployment was added in: getsentry/ops#16645

routes were added in: getsentry/ops#16571

Author: kddubey

src/sentry/conf/server.py

@@ -3614,6 +3614,8 @@ def custom_parameter_sort(parameter: dict) -> tuple[str, int]:
 
 SEER_GROUPING_BACKFILL_URL = SEER_DEFAULT_URL
 
+SEER_SCORING_URL = SEER_DEFAULT_URL  # for local development, these share a URL
+
 SEER_ANOMALY_DETECTION_MODEL_VERSION = "v1"
 SEER_ANOMALY_DETECTION_URL = SEER_DEFAULT_URL  # for local development, these share a URL
 SEER_ANOMALY_DETECTION_TIMEOUT = 5

src/sentry/options/defaults.py

@@ -935,6 +935,13 @@
     flags=FLAG_AUTOMATOR_MODIFIABLE,
 )
 
+register(
+    "issues.fixability.gpu-rollout-rate",
+    type=Float,
+    default=0.0,
+    flags=FLAG_AUTOMATOR_MODIFIABLE,
+)
+
 register(
     "issues.priority.projects-allowlist",
     type=Sequence,

src/sentry/seer/autofix/issue_summary.py

@@ -19,6 +19,7 @@
 from sentry.models.group import Group
 from sentry.models.project import Project
 from sentry.net.http import connection_from_url
+from sentry.options.rollout import in_random_rollout
 from sentry.seer.autofix.autofix import trigger_autofix
 from sentry.seer.autofix.constants import (
     AutofixAutomationTuningSettings,
@@ -178,6 +179,10 @@ def _call_seer(
     settings.SEER_SEVERITY_URL,
     timeout=settings.SEER_FIXABILITY_TIMEOUT,
 )
+fixability_connection_pool_gpu = connection_from_url(
+    settings.SEER_SCORING_URL,
+    timeout=settings.SEER_FIXABILITY_TIMEOUT,
+)
 
 
 def _generate_fixability_score(group: Group):
@@ -187,8 +192,14 @@ def _generate_fixability_score(group: Group):
         "organization_id": group.organization.id,
         "project_id": group.project.id,
     }
+
+    if in_random_rollout("issues.fixability.gpu-rollout-rate"):
+        connection_pool = fixability_connection_pool_gpu
+    else:
+        connection_pool = fixability_connection_pool
+
     response = make_signed_seer_api_request(
-        fixability_connection_pool,
+        connection_pool,
         "/v1/automation/summarize/fixability",
         body=orjson.dumps(payload, option=orjson.OPT_NON_STR_KEYS),
         timeout=settings.SEER_FIXABILITY_TIMEOUT,