feat: sessionAffinityConfig and sessionAffinity for pgbouncer service (#1964)

Author: shcherbak

charts/sentry/templates/pgbouncer/pgbouncer-service.yaml

@@ -13,4 +13,8 @@ spec:
   - name: pgbouncer
     port: 5432
     targetPort: 5432
+  sessionAffinity: {{ .Values.pgbouncer.service.sessionAffinity }}
+  {{- if .Values.pgbouncer.service.sessionAffinityConfig }}
+  sessionAffinityConfig: {{ toYaml .Values.pgbouncer.service.sessionAffinityConfig | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/sentry/values.yaml

@@ -3148,3 +3148,12 @@ pgbouncer:
       maxSurge: 25%
   priorityClassName: ''
   topologySpreadConstraints: []
+  service:
+    # Session Affinity for Kubernetes service, can be "None" or "ClientIP"
+    # If "ClientIP", consecutive client requests will be directed to the same Pod
+    sessionAffinity: None
+    # sessionAffinityConfig Additional settings for the sessionAffinity
+    # sessionAffinityConfig:
+    #   clientIP:
+    #     timeoutSeconds: 180
+    sessionAffinityConfig: {}