add redis.extraArgs to enable customization of redis-server arguments

Signed-off-by: Marcel Hoyer <mhoyer@pixelplastic.de>

charts/argo-cd/README.md

@@ -331,7 +331,8 @@ through `xxx.extraArgs`
 | redis.enabled | Enable redis | `true` |
 | redis.image.imagePullPolicy | Redis imagePullPolicy | `"IfNotPresent"` |
 | redis.image.repository | Redis repository | `"redis"` |
-| redis.image.tag | Redis tag | `"5.0.8"` |
+| redis.image.tag | Redis tag | `"6.2.1-alpine"` |
+| redis.extraArgs | Additional arguments for the `redis-server`. A list of flags. | `[]` |
 | redis.name | Redis name | `"redis"` |
 | redis.env | Environment variables for the Redis server. | `[]` |
 | redis.nodeSelector | [Node selector](https://kubernetes.io/docs/user-guide/node-selection/) | `{}` |
@@ -351,6 +352,6 @@ through `xxx.extraArgs`
 | redis-ha.redis.config.save | Will save the DB if both the given number of seconds and the given number of write operations against the DB occurred. `""`  is disabled | `""` |
 | redis-ha.haproxy.enabled | Enabled HAProxy LoadBalancing/Proxy | `true` |
 | redis-ha.haproxy.metrics.enabled | HAProxy enable prometheus metric scraping | `true` |
-| redis-ha.image.tag | Redis tag | `"5.0.8-alpine"` |
+| redis-ha.image.tag | Redis tag | `"6.2.1-alpine"` |
 
 [gRPC-ingress]: https://argoproj.github.io/argo-cd/operator-manual/ingress/

charts/argo-cd/templates/redis/deployment.yaml

@@ -41,6 +41,9 @@ spec:
         - ""
         - --appendonly
         - "no"
+        {{- with .Values.redis.extraArgs }}
+        {{- . | toYaml | nindent 8 }}
+        {{- end }}
         image: {{ .Values.redis.image.repository }}:{{ .Values.redis.image.tag }}
         imagePullPolicy: {{ .Values.redis.image.imagePullPolicy}}
         {{- if .Values.redis.containerSecurityContext }}

charts/argo-cd/values.yaml

@@ -279,6 +279,12 @@ redis:
     tag: 6.2.1-alpine
     imagePullPolicy: IfNotPresent
 
+  ## Additional command line arguments to pass to redis-server
+  ##
+  extraArgs: []
+  # - --bind
+  # - "127.0.0.1"
+
   containerPort: 6379
   servicePort: 6379