From ec18529956ff6e3665ea8eb091a2784d1571f431 Mon Sep 17 00:00:00 2001
From: Stefan Reimer <stefan@zero-downtime.net>
Date: Thu, 17 Sep 2020 17:54:57 +0100
Subject: [PATCH] TCP keepalive tuning for Istio

---
 charts/kubezero-istio/Chart.yaml                           | 2 +-
 charts/kubezero-istio/templates/istio-private-ingress.yaml | 4 ++++
 charts/kubezero-istio/templates/istio.yaml                 | 3 +++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/charts/kubezero-istio/Chart.yaml b/charts/kubezero-istio/Chart.yaml
index fa81092a..22dbe8d3 100644
--- a/charts/kubezero-istio/Chart.yaml
+++ b/charts/kubezero-istio/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubezero-istio
 description: KubeZero Umbrella Chart for Istio
 type: application
-version: 0.3.1
+version: 0.3.2
 appVersion: 1.7.1
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
diff --git a/charts/kubezero-istio/templates/istio-private-ingress.yaml b/charts/kubezero-istio/templates/istio-private-ingress.yaml
index 5f9ea4f6..811efde6 100644
--- a/charts/kubezero-istio/templates/istio-private-ingress.yaml
+++ b/charts/kubezero-istio/templates/istio-private-ingress.yaml
@@ -67,6 +67,10 @@ spec:
   meshConfig:
     accessLogFile: /dev/stdout
     accessLogEncoding: 'JSON'
+    h2UpgradePolicy: 'DO_NOT_UPGRADE'
+    tcpKeepalive:
+      interval: 30s
+      time: 60s
 
   values:
     gateways:
diff --git a/charts/kubezero-istio/templates/istio.yaml b/charts/kubezero-istio/templates/istio.yaml
index 12281fda..95a06902 100644
--- a/charts/kubezero-istio/templates/istio.yaml
+++ b/charts/kubezero-istio/templates/istio.yaml
@@ -91,6 +91,9 @@ spec:
     accessLogFile: /dev/stdout
     accessLogEncoding: 'JSON'
     h2UpgradePolicy: 'DO_NOT_UPGRADE'
+    tcpKeepalive:
+      interval: 30s
+      time: 60s
   values:
     gateways:
       istio-ingressgateway: