fix: add support for configuring etcd watch timeout

Author: ksdpmx

charts/apisix/templates/configmap.yaml

@@ -384,6 +384,7 @@ data:
       {{- end }}
         prefix: {{ .Values.etcd.prefix | quote }}    # configuration prefix in etcd
         timeout: {{ .Values.etcd.timeout }}    # 30 seconds
+        watch_timeout: {{ .Values.etcd.watch_timeout }}    # 50 seconds, default value from apisix
         {{- if and (not .Values.etcd.enabled) .Values.externalEtcd.user }}
         user: {{ .Values.externalEtcd.user | quote }}
         password: "{{ print "${{ APISIX_ETCD_PASSWORD }}" }}"

charts/apisix/values.yaml

@@ -643,6 +643,8 @@ etcd:
   prefix: "/apisix"
   # -- Set the timeout value in seconds for subsequent socket operations from apisix to etcd cluster
   timeout: 30
+  # -- Set the timeout value in seconds for apisix to wait for a response from etcd cluster when watching etcd changes
+  watch_timeout: 50
 
   # -- if etcd.enabled is true, set more values of bitnamilegacy/etcd helm chart
   auth: