Fix Sharding Initialization with Dynamic Replica Set Configuration (#…

…1087)

When using MongoDB sharding, the configuration previously only added the
primary server to the replica set. This change enhances the initialization
process by dynamically configuring all replica set members for config and
shard servers, improving cluster setup flexibility and reliability.

build/charts/yorkie-cluster/charts/yorkie-mongodb/templates/sharded/configmap.yaml

@@ -28,7 +28,11 @@ data:
     echo "Config server address: ${configsvrAddr}"
     waitUntilReady $configsvrAddr
     echo "Configure config server"
-    mongosh $configsvrAddr --eval 'rs.initiate({"_id":"{{ include "configReplName" (list $.Values.name) }}", "members":[{"_id":0,"host":"{{ $configsvrAddr }}","priority":5}]})'
+    mongosh $configsvrAddr --eval 'rs.initiate({"_id":"{{ include "configReplName" (list $.Values.name) }}", "members":[
+      {{- range $i, $e := until ($.Values.sharded.replicaCount.configsvr | int) }}
+      {"_id":{{ printf "%d" $i }},"host":"{{ printf "%s" (include "configReplAddr" (list $.Values.name $i $domainSuffix)) }}",{{- if eq $i 0 }}"priority":5{{- end }} }
+      {{- end }}
+    ]})'
 
     {{ range $i, $e := until ($.Values.sharded.shards | int) }}
     {{ $shardsvrAddr := include "shardReplAddr" (list $.Values.name $i 0 $domainSuffix) }}
@@ -37,7 +41,11 @@ data:
     echo "{{ printf "Shard%d address: %s" $i $shardsvrAddr }}"
     waitUntilReady $shardsvrAddr
     echo "{{ printf "Configure shard%d" $i }}"
-    mongosh $shardsvrAddr --eval 'rs.initiate({"_id":"{{ include "shardReplName" (list $.Values.name $i) }}", "members":[{"_id":0,"host":"{{ $shardsvrAddr }}","priority":5}]})'
+    mongosh $shardsvrAddr --eval 'rs.initiate({"_id":"{{ include "shardReplName" (list $.Values.name $i) }}", "members":[
+      {{- range $j, $e := until ($.Values.sharded.replicaCount.shardsvr | int) }}
+      {"_id":{{ printf "%d" $j }},"host":"{{ printf "%s" (include "shardReplAddr" (list $.Values.name $i $j $domainSuffix)) }}",{{- if eq $j 0 }}"priority":5{{- end }} }
+      {{- end }}
+    ]})'
     {{ end }}
 
     {{ $mongosAddr := include "mongosAddr" (list $.Values.name $domainSuffix) }}