设置全局数据库配置

REAADB 包含字段 '.spec.globalConfigurations'，通过该字段设置数据库配置。

适用于 Kubernetes 的 Redis Enterprise
注意：
此功能在 6.4.2-6 及更高版本中正式发布受支持。其中一些功能在 6.4.2-4 和 6.4.2-5 中作为预览版提供。请升级到 6.4.2-6 以获取完整的正式发布功能和错误修复。

Redis Enterprise Active-Active Database （REAADB） 自定义资源包含字段.spec.globalConfigurations.此字段设置所有参与集群中的主动-主动数据库的配置，例如内存大小、分片计数和全局数据库密钥。

REAADB API 参考包含可用字段的完整列表。

编辑全局配置

  1. 使用全局配置更改编辑或修补 REAADB 自定义资源。

    以下示例命令修补名为reaadb-boeing要将全局内存大小设置为 200MB：

    kubectl patch reaadb reaadb-boeing --type merge --patch \
'{"spec": {"globalConfigurations": {"memorySize": "200mb"}}}'

  2. Verify the status is active and the spec status is Valid.

    This example shows the status for the reaadb-boeing database.

    kubectl get reaadb reaadb-boeing

NAME             STATUS   SPEC STATUS   GLOBAL CONFIGURATIONS REDB   LINKED REDBS
reaadb-boeing   active   Valid

  3. View the global configurations on each participating cluster to verify they are synced.

    kubectl get reaadb <reaadb-name> -o yaml

Edit global configuration secrets

This section edits the secrets under the REAADB .spec.globalConfigurations section. For more information and all available fields, see the REAADB API reference.

  1. On an existing participating cluster, generate a YAML file containing the database secret with the relevant data.

    This example shoes a secret named my-db-secret with the password my-password encoded in base 64.

    apiVersion: v1
 data:
  password: bXktcGFzcw
kind: Secret
metadata:
  name: my-db-secret
type: Opaque

  2. Apply the secret file from the previous step, substituting your own value for <db-secret-file>.

    kubectl apply -f <db-secret-file>

  3. Patch the REAADB custom resource to specify the database secret, substituting your own values for <reaadb-name> and <secret-name>.

    kubectl patch reaadb <reaadb-name> --type merge --patch \
'{"spec": {"globalConfigurations": {"databaseSecretName": "secret-name"}}}'

  4. Check the REAADB status for an active status and Valid spec status.

    kubectl get reaadb <reaadb-name>

NAME             STATUS   SPEC STATUS   GLOBAL CONFIGURATIONS REDB   LINKED REDBS
reaadb-boeing   active   Valid

  5. On each other participating cluster, check the secret status.

    ``sh kubectl get reaadb -o=jsonpath='{.status.secretsStatus}'

    
The output should show the status as `Invalid`.

```sh
[{"name":"my-db-secret","status":"Invalid"}]

  6. Sync the secret on each participating cluster.

    kubectl apply -f <db-secret-file>

  7. Repeat the previous two steps on every participating cluster.

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