feat(charts): reuses the value from an existing secret and config

Author: duanhongyi

charts/redis/templates/redis-secret-creds.yaml

@@ -5,17 +5,15 @@ metadata:
   labels:
     app: drycc-redis
     heritage: drycc
-  annotations:
-    "helm.sh/hook": pre-install
 data: 
   {{ if eq .Values.global.redisLocation "on-cluster"}}
   {{- $redisAddrs := (list ) }}
-  {{ $redisNodeCount := .Values.replicas | int }}
+  {{- $redisNodeCount := .Values.replicas | int }}
   {{- range $i := until $redisNodeCount }}
   {{- $redisAddrs = (append $redisAddrs (printf "drycc-redis-%d.drycc-redis.%s.svc.%s:6379" $i $.Release.Namespace $.Values.global.clusterDomain)) }}
   {{- end -}}
   addrs: {{ join "," $redisAddrs | b64enc }}
-  password: {{ randAlphaNum 32 | b64enc }}
+  password: {{ include "common.secrets.lookup" (dict "secret" "redis-creds" "key" "password" "defaultValue" (randAlphaNum 32) "context" $) }}
   {{ else if eq .Values.global.redisLocation "off-cluster"}}
   addrs: {{ .Values.addrs | b64enc }}
   password: {{ .Values.password | b64enc }}