From 390cb1026398a024a4dfd0edba7a80b5ae45efce Mon Sep 17 00:00:00 2001
From: Chengyu Liu <chengyu_l@126.com>
Date: Sat, 9 Mar 2024 23:54:02 +0800
Subject: [PATCH] fix: support saving pika config to hostpath (#2476)

Co-authored-by: liuchengyu <liuchengyu@360.cn>
---
 .../pika/templates/clusterdefinition.yaml        | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/tools/kubeblocks_helm/pika/templates/clusterdefinition.yaml b/tools/kubeblocks_helm/pika/templates/clusterdefinition.yaml
index 80358eaf0a..ea0bc82983 100644
--- a/tools/kubeblocks_helm/pika/templates/clusterdefinition.yaml
+++ b/tools/kubeblocks_helm/pika/templates/clusterdefinition.yaml
@@ -46,6 +46,20 @@ spec:
         scriptSpecSelectors:
           - name: pika-script
       podSpec:
+        initContainers:
+          - name: init-config
+            image: busybox:1.28
+            imagePullPolicy: IfNotPresent
+            command:
+              - /bin/sh
+              - -ec
+              - |
+                if [ ! -f "/data/pika.conf" ];then cp /etc/pika/pika.conf /data/pika.conf; fi
+            volumeMounts:
+              - name: config
+                mountPath: /etc/pika
+              - name: data
+                mountPath: /data
         containers:
           - name: pika
             ports:
@@ -60,7 +74,7 @@ spec:
               - "/pika/bin/pika"
             args:
               - "-c"
-              - "/etc/pika/pika.conf"
+              - "/data/pika.conf"
           - name: codis-admin
             volumeMounts:
               - name: script