From 37a7d570bb5e54593766fd6b0565fd38ecabeda9 Mon Sep 17 00:00:00 2001
From: weekface <weekface@gmail.com>
Date: Mon, 15 Jun 2020 12:10:30 +0800
Subject: [PATCH] Change tidb-discovery strategy type to `Recreate` (#2701)

---
 charts/tidb-cluster/templates/discovery-deployment.yaml | 2 ++
 pkg/manager/member/tidb_discovery_manager.go            | 1 +
 2 files changed, 3 insertions(+)

diff --git a/charts/tidb-cluster/templates/discovery-deployment.yaml b/charts/tidb-cluster/templates/discovery-deployment.yaml
index df6bd7c5074..01d6ef21333 100644
--- a/charts/tidb-cluster/templates/discovery-deployment.yaml
+++ b/charts/tidb-cluster/templates/discovery-deployment.yaml
@@ -9,6 +9,8 @@ metadata:
     app.kubernetes.io/component: discovery
     helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+"  "_" }}
 spec:
+  strategy:
+    type: Recreate
   # don't modify this replicas
   replicas: 1
   selector:
diff --git a/pkg/manager/member/tidb_discovery_manager.go b/pkg/manager/member/tidb_discovery_manager.go
index af50f638d87..12dd55622a5 100644
--- a/pkg/manager/member/tidb_discovery_manager.go
+++ b/pkg/manager/member/tidb_discovery_manager.go
@@ -135,6 +135,7 @@ func getTidbDiscoveryDeployment(tc *v1alpha1.TidbCluster) (*appsv1.Deployment, e
 	d := &appsv1.Deployment{
 		ObjectMeta: meta,
 		Spec: appsv1.DeploymentSpec{
+			Strategy: appsv1.DeploymentStrategy{Type: appsv1.RecreateDeploymentStrategyType},
 			Replicas: controller.Int32Ptr(1),
 			Selector: l.LabelSelector(),
 			Template: corev1.PodTemplateSpec{