fest(nextcloud): support external redis #767

feat: support external redis

Author: wrenix

charts/nextcloud/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: nextcloud
-version: 7.0.3
+version: 7.0.4
 # renovate: image=docker.io/library/nextcloud
 appVersion: 31.0.8
 description: A file sharing server that puts the control and security of your own data back into your hands.

charts/nextcloud/README.md

@@ -196,6 +196,13 @@ The following table lists the configurable parameters of the nextcloud chart and
 | `redis.global.storageClass`                                 | PVC Storage Class  for both Redis® master and replica Persistent Volumes                        | `''`                       |
 | `redis.master.persistence.enabled`                          | Enable persistence on Redis® master nodes using Persistent Volume Claims                        | `true`                     |
 | `redis.replica.persistence.enabled`                         | Enable persistence on Redis® replica nodes using Persistent Volume Claims                       | `true`                     |
+| `externalRedis.enabled`                                     | Whether to use external Redis                                                                       | `false`                    |
+| `externalRedis.host`                                        | Redis host                                                                                          | `""`                       |
+| `externalRedis.port`                                        | Redis port                                                                                          | `"6379"`                   |
+| `externalRedis.password`                                    | Redis password                                                                                      | `""`                       |
+| `externalRedis.existingSecret.enabled`                      | Whether to use a existing secret or not                                                             | `false`                    |
+| `externalDatabase.existingSecret.secretName`                | Name of the existing secret                                                                         | `nil`                      |
+| `externalDatabase.existingSecret.passwordKey`               | Name of the key that contains the Redis password                                                    | `redis-password`           |
 | `cronjob.command`                                           | The command the cronjob container executes                                                          | `/cron.sh`                 |
 | `cronjob.enabled`                                           | Whether to enable/disable cron jobs sidecar                                                         | `false`                    |
 | `cronjob.lifecycle.postStartCommand`                        | Specify deployment lifecycle hook postStartCommand for the cron jobs sidecar                        | `nil`                      |

charts/nextcloud/templates/_helpers.tpl

@@ -236,6 +236,23 @@ Redis env vars
   value: {{ .Values.redis.auth.password }}
 {{- end }}
 {{- end }}
+{{- else if .Values.externalRedis.enabled }}
+- name: REDIS_HOST
+  value: {{ .Values.externalRedis.host | quote }}
+- name: REDIS_HOST_PORT
+  value: {{ .Values.externalRedis.port | quote }}
+{{- if .Values.externalRedis.existingSecret.enabled }}
+{{- if and .Values.externalRedis.existingSecret.secretName .Values.externalRedis.existingSecret.passwordKey }}
+- name: REDIS_HOST_PASSWORD
+  valueFrom:
+    secretKeyRef:
+      name: {{ .Values.externalRedis.existingSecret.secretName | quote }}
+      key: {{ .Values.externalRedis.existingSecret.passwordKey | quote }}
+{{- end }}
+{{- else if .Values.externalRedis.password }}
+- name: REDIS_HOST_PASSWORD
+  value: {{ .Values.externalRedis.password | quote }}
+{{- end }}
 {{- end }}{{/* end if redis.enabled */}}
 {{/*
 S3 as primary object store env vars

charts/nextcloud/values.yaml

@@ -479,6 +479,27 @@ postgresql:
       # existingClaim: ""
       # storageClass: ""
 
+##
+## External Redis configuration
+##
+externalRedis:
+  enabled: false
+
+  ## Redis host
+  host: ""
+
+  ## Redis port
+  port: "6379"
+
+  ## Redis password
+  password: ""
+
+  ## Use a existing secret
+  existingSecret:
+    enabled: false
+    # secretName: nameofsecret
+    passwordKey: redis-password
+
 ##
 ## Redis chart configuration
 ## for more options see https://github.com/bitnami/charts/tree/main/bitnami/redis