feat:Support downstream and upstram, which can be configured through helm parameters (#1399)

helm/core/templates/configmap.yaml

@@ -116,6 +116,12 @@ data:
     {{- $existingData = index $existingConfig.data "higress" | default "{}" | fromYaml }}
     {{- end }}
     {{- $newData := dict }}
+    {{- if hasKey .Values "upstream" }}
+    {{- $_ := set $newData "upstream" .Values.upstream }}
+    {{- end }}
+    {{- if hasKey .Values "downstream" }}
+    {{- $_ := set $newData "downstream" .Values.downstream }}
+    {{- end }}
     {{- if and (hasKey .Values "tracing") .Values.tracing.enable }}
     {{- $_ := set $newData "tracing" .Values.tracing }}
     {{- end }}

helm/core/values.yaml

@@ -684,3 +684,19 @@ tracing:
   # zipkin:
   # service: ""
   # port: 9411
+
+# Downstream config settings
+downstream:
+  idleTimeout: 180
+  maxRequestHeadersKb: 60
+  connectionBufferLimits: 32768
+  http2:
+    maxConcurrentStreams: 100
+    initialStreamWindowSize: 65535
+    initialConnectionWindowSize: 1048576
+  routeTimeout: 0
+
+# Upstream config settings
+upstream:
+  idleTimeout: 10
+  connectionBufferLimits: 10485760