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Martin Hope
Conor
Asked: 2020-06-09 13:47:37 +0800 CST
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我在 Ubuntu 服务器上运行 microk8s 实例作为香草安装，使用 MetalLB 配置以动态分配 10.0.2.1 到 10.0.2.200 并启用 Nginx 入口控制器。我已使用以下命令在此实例（ https://github.com/bitnami/charts/tree/master/bitnami/wordpress/#installing-the-chart ）上安装了 wordpress helm 图表：

helm install wordpress \
  --set wordpressUsername=admin \
  --set wordpressPassword=password \
  --set mariadb.mariadbRootPassword=secretpassword \
  --set ingress.enabled=true \
  --set ingress.hostname=wordpress.internal \
    bitnami/wordpress

服务启动并成功运行，当我运行时

kubectl describe services wordpress

我得到以下信息：

Name:                     wordpress
Namespace:                default
Labels:                   app.kubernetes.io/instance=wordpress
                          app.kubernetes.io/managed-by=Helm
                          app.kubernetes.io/name=wordpress
                          helm.sh/chart=wordpress-9.3.10
Annotations:              meta.helm.sh/release-name: wordpress
                          meta.helm.sh/release-namespace: default
Selector:                 app.kubernetes.io/instance=wordpress,app.kubernetes.io/name=wordpress
Type:                     LoadBalancer
IP:                       10.152.183.73
LoadBalancer Ingress:     10.0.2.1
Port:                     http  80/TCP
TargetPort:               http/TCP
NodePort:                 http  31799/TCP
Endpoints:                10.1.70.14:8080
Port:                     https  443/TCP
TargetPort:               https/TCP
NodePort:                 https  30087/TCP
Endpoints:                10.1.70.14:8443
Session Affinity:         None
External Traffic Policy:  Cluster
Events:
  Type    Reason        Age                  From                Message
  ----    ------        ----                 ----                -------
  Normal  IPAllocated   32m                  metallb-controller  Assigned IP "10.0.2.1"
  Normal  nodeAssigned  6m41s (x3 over 31m)  metallb-speaker     announcing from node "k8s"

当我通过 SSH 连接到安装了 microk8s 的节点时，实例会按照我的预期响应：

curl 10.0.2.1

<!DOCTYPE html>

<html class="no-js" lang="en-US">

    <head>

        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0" >

        <link rel="profile" href="https://gmpg.org/xfn/11">

        <title>User&#039;s Blog! &#8211; Just another WordPress site</title>

但是，当我在联网的 Macbook 上运行相同的命令时，我无法得到响应：

curl 10.0.2.1

curl: (7) Failed to connect to 10.0.2.1 port 80: Operation timed out
networking kubernetes microk8s