From 66e25732bf1a1697cec3098c00359b2bf9d642a6 Mon Sep 17 00:00:00 2001 From: Hongcai Ren Date: Fri, 28 Jun 2019 15:59:39 +0800 Subject: [PATCH] Fix CoreDNS version restriction for service ExternalName type. (#15084) * Fix CoreDNS version restriction for service ExternalName type. before: This requires version 1.7 or higher of `kube-dns`. after: You need CoreDNS version 1.7 or higher to use the `ExternalName` type. * Update content/zh/docs/concepts/services-networking/service.md Thanks. Co-Authored-By: SataQiu <1527062125@qq.com> --- content/zh/docs/concepts/services-networking/service.md | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/content/zh/docs/concepts/services-networking/service.md b/content/zh/docs/concepts/services-networking/service.md index e1f96c7bb7..534a01cf47 100644 --- a/content/zh/docs/concepts/services-networking/service.md +++ b/content/zh/docs/concepts/services-networking/service.md @@ -658,8 +658,7 @@ The default is `ClusterIP`. load balancer will route, are automatically created. * [`ExternalName`](#externalname): Maps the service to the contents of the `externalName` field (e.g. `foo.bar.example.com`), by returning a `CNAME` record - with its value. No proxying of any kind is set up. This requires version 1.7 or - higher of `kube-dns`. + with its value. No proxying of any kind is set up. --> ## 发布服务 —— 服务类型 @@ -676,7 +675,11 @@ Kubernetes `ServiceTypes` 允许指定一个需要的类型的 Service，默认 * `NodePort`：通过每个 Node 上的 IP 和静态端口（`NodePort`）暴露服务。`NodePort` 服务会路由到 `ClusterIP` 服务，这个 `ClusterIP` 服务会自动创建。通过请求 `:`，可以从集群的外部访问一个 `NodePort` 服务。 * `LoadBalancer`：使用云提供商的负载局衡器，可以向外部暴露服务。外部的负载均衡器可以路由到 `NodePort` 服务和 `ClusterIP` 服务。 * `ExternalName`：通过返回 `CNAME` 和它的值，可以将服务映射到 `externalName` 字段的内容（例如， `foo.bar.example.com`）。 - 没有任何类型代理被创建，这只有 Kubernetes 1.7 或更高版本的 `kube-dns` 才支持。 + 没有任何类型代理被创建。 + +{{< note >}} +您需要 CoreDNS 1.7 或更高版本才能使用 `ExternalName` 类型。 +{{< /note >}}