Kubernetes 服务名称解析不起作用

问题描述 投票：0回答：1

我有 2 个 Angular 应用程序，它们位于 Minikube 集群上同一（默认）命名空间中的不同 Pod 中。我正在使用模块联合来进行它们之间的通信。

我的yaml：

apiVersion: apps/v1
kind: Deployment
metadata:
  name: host-app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: host-app
  template:
    metadata:
      labels:
        app: host-app
    spec:
      containers:
        - name: host-app
          image: testexampleuser/host-mf-app
          ports:
            - containerPort: 80

---
 
apiVersion: v1
kind: Service
metadata:
  name: host-app-srv
spec:
  selector:
    app: host-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: remote-app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: remote-app
  template:
    metadata:
      labels:
        app: remote-app
    spec:
      containers:
        - name: remote-app
          image: testexampleuser/remote-mf-app
          ports:
            - containerPort: 80
  
---
apiVersion: v1
kind: Service
metadata:
  name: remote-app-srv
spec:
  selector:
    app: remote-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: example-ingress
spec:
  rules:
    - host: ms.test
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: host-app-srv
                port:
                  number: 80
          - path: /todo-list
            pathType: Prefix
            backend:
              service:
                name: host-app-srv
                port:
                  number: 80

以及我的主应用程序的 webpack.config.js：

const ModuleFederationPlugin = require("webpack/lib/container/ModuleFederationPlugin");
const mf = require("@angular-architects/module-federation/webpack");
const path = require("path");
const share = mf.share;

const sharedMappings = new mf.SharedMappings();
sharedMappings.register(
  path.join(__dirname, 'tsconfig.json'),
  [/* mapped paths to share */]);

module.exports = {
  output: {
    uniqueName: "hostApp",
    publicPath: "auto",
    scriptType: "text/javascript"
  },
  optimization: {
    runtimeChunk: false
  },
  resolve: {
    alias: {
      ...sharedMappings.getAliases(),
    }
  },
  experiments: {
    outputModule: true
  },
  plugins: [
    new ModuleFederationPlugin({
      name: "hostApp",
      remotes: {
        remoteApp1: 'remoteApp1@http://remote-app-srv/remoteEntry.js'
      },

      shared: share({
        "@angular/core": { singleton: true, strictVersion: true, requiredVersion: 'auto' },
        "@angular/common": { singleton: true, strictVersion: true, requiredVersion: 'auto' },
        "@angular/common/http": { singleton: true, strictVersion: true, requiredVersion: 'auto' },
        "@angular/router": { singleton: true, strictVersion: true, requiredVersion: 'auto' },

        ...sharedMappings.getDescriptors()
      })

    }),
    sharedMappings.getPlugin()
  ],
};

在此我将我的网址指定为http://remote-app-srv/remoteEntry.js，因此尝试通过服务名称访问它，但我在控制台中有

GET http://remote-app-srv/remoteEntry.js net::ERR_NAME_NOT_RESOLVED
，这表明它不是能够根据服务名称找到IP。使用服务的完全限定名称时也会发生同样的情况。但是，当在命令提示符中使用 
kubectl exec -it remote-app-64b485f7d8-pph7z -- nslookup remote-app-srv
时，我得到

kubectl exec -it remote-app-64b485f7d8-pph7z -- nslookup remote-app-srv
Server:         10.96.0.10
Address:        10.96.0.10:53

Name:   remote-app-srv.default.svc.cluster.local
Address: 10.99.114.182

** server can't find remote-app-srv.cluster.local: NXDOMAIN

** server can't find remote-app-srv.cluster.local: NXDOMAIN

** server can't find remote-app-srv.svc.cluster.local: NXDOMAIN


** server can't find remote-app-srv.svc.cluster.local: NXDOMAIN

command terminated with exit code 1

看来，它解析正确，但是当在应用程序中使用服务名称时，它无法找到该IP。导致此问题的原因是什么？

更新：当我修改入口并包含 /remoteEntry.js 作为路径时，该路径然后转发到我的远程服务，并将我的 url 修改为： http://ms.test/remoteEntry.js 然后在我有控制台：

remoteEntry.js:1     GET http://ms.test/487.a4d1c1bd4d8ce404.js net::ERR_ABORTED 404 (Not Found)
__webpack_require__.l @ remoteEntry.js:1
__webpack_require__.f.j @ remoteEntry.js:1
(anonymous) @ remoteEntry.js:1
__webpack_require__.e @ remoteEntry.js:1
./TodoListModule @ remoteEntry.js:1
g @ remoteEntry.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
T @ 268.4135e908b4fc6bc1.js:1
g @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
e @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
F @ 268.4135e908b4fc6bc1.js:1
q @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
T @ 268.4135e908b4fc6bc1.js:1
g @ 268.4135e908b4fc6bc1.js:1
invoke @ polyfills.fe9dcec8806eea43.js:1
onInvoke @ 256.612799c9aae468e4.js:1
invoke @ polyfills.fe9dcec8806eea43.js:1
run @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ polyfills.fe9dcec8806eea43.js:1
invokeTask @ polyfills.fe9dcec8806eea43.js:1
onInvokeTask @ 256.612799c9aae468e4.js:1
invokeTask @ polyfills.fe9dcec8806eea43.js:1
runTask @ polyfills.fe9dcec8806eea43.js:1
y @ polyfills.fe9dcec8806eea43.js:1
invokeTask @ polyfills.fe9dcec8806eea43.js:1
U @ polyfills.fe9dcec8806eea43.js:1
W @ polyfills.fe9dcec8806eea43.js:1
ue @ polyfills.fe9dcec8806eea43.js:1
load (async)
e @ polyfills.fe9dcec8806eea43.js:1
scheduleTask @ polyfills.fe9dcec8806eea43.js:1
onScheduleTask @ polyfills.fe9dcec8806eea43.js:1
scheduleTask @ polyfills.fe9dcec8806eea43.js:1
scheduleTask @ polyfills.fe9dcec8806eea43.js:1
scheduleEventTask @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ polyfills.fe9dcec8806eea43.js:1
o.set @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
e @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
T @ 268.4135e908b4fc6bc1.js:1
g @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
e @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
A @ 268.4135e908b4fc6bc1.js:1
O @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
T @ 268.4135e908b4fc6bc1.js:1
g @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
e @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
I @ 268.4135e908b4fc6bc1.js:1
D @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
T @ 268.4135e908b4fc6bc1.js:1
g @ 268.4135e908b4fc6bc1.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
e @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ 268.4135e908b4fc6bc1.js:1
P @ 268.4135e908b4fc6bc1.js:1
Y @ 268.4135e908b4fc6bc1.js:1
loadChildren @ 268.4135e908b4fc6bc1.js:1
loadModuleFactoryOrRoutes @ 384.caca277fba7706c5.js:1
loadChildren @ 384.caca277fba7706c5.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
Z @ 256.612799c9aae468e4.js:1
x @ 256.612799c9aae468e4.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
_trySubscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
X @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
X @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
e.subscribe.s @ 384.caca277fba7706c5.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
_trySubscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
Z @ 256.612799c9aae468e4.js:1
x @ 256.612799c9aae468e4.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
_trySubscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
X @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
Z @ 256.612799c9aae468e4.js:1
x @ 256.612799c9aae468e4.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
_trySubscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
X @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 384.caca277fba7706c5.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
F @ 256.612799c9aae468e4.js:1
subscribe @ 256.612799c9aae468e4.js:1
e.subscribe.s @ 384.caca277fba7706c5.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
subscribe.i @ 384.caca277fba7706c5.js:1
F._next @ 256.612799c9aae468e4.js:1
next @ 256.612799c9aae468e4.js:1
(anonymous) @ 256.612799c9aae468e4.js:1
invoke @ polyfills.fe9dcec8806eea43.js:1
onInvoke @ 256.612799c9aae468e4.js:1
invoke @ polyfills.fe9dcec8806eea43.js:1
run @ polyfills.fe9dcec8806eea43.js:1
(anonymous) @ polyfills.fe9dcec8806eea43.js:1
invokeTask @ polyfills.fe9dcec8806eea43.js:1
onInvokeTask @ 256.612799c9aae468e4.js:1
invokeTask @ polyfills.fe9dcec8806eea43.js:1
runTask @ polyfills.fe9dcec8806eea43.js:1
y @ polyfills.fe9dcec8806eea43.js:1
invokeTask @ polyfills.fe9dcec8806eea43.js:1
U @ polyfills.fe9dcec8806eea43.js:1
W @ polyfills.fe9dcec8806eea43.js:1
ue @ polyfills.fe9dcec8806eea43.js:1
268.4135e908b4fc6bc1.js:1 ChunkLoadError: Loading chunk 487 failed.
(error: http://ms.test/487.a4d1c1bd4d8ce404.js)
    at __webpack_require__.f.j (remoteEntry.js:1:7277)
    at remoteEntry.js:1:1216
    at Array.reduce (<anonymous>)
    at __webpack_require__.e (remoteEntry.js:1:1177)
    at ./TodoListModule (remoteEntry.js:1:83)
    at Object.g (remoteEntry.js:1:143)
    at 268.4135e908b4fc6bc1.js:1:528
    at Generator.next (<anonymous>)
    at T (268.4135e908b4fc6bc1.js:1:163)
    at g (268.4135e908b4fc6bc1.js:1:365)
256.612799c9aae468e4.js:1 ERROR Error: Uncaught (in promise): TypeError: Cannot read properties of undefined (reading 'ɵmod')
TypeError: Cannot read properties of undefined (reading 'ɵmod')
    at Xe (256.612799c9aae468e4.js:1:31475)
    at new Xa (256.612799c9aae468e4.js:1:136284)
    at Xo.create (256.612799c9aae468e4.js:1:136822)
    at 384.caca277fba7706c5.js:1:79337
    at 256.612799c9aae468e4.js:1:10630
    at F._next (256.612799c9aae468e4.js:1:10079)
    at F.next (256.612799c9aae468e4.js:1:3860)
    at Z.subscribe._ (256.612799c9aae468e4.js:1:11217)
    at F._next (256.612799c9aae468e4.js:1:10079)
    at F.next (256.612799c9aae468e4.js:1:3860)
    at ye (polyfills.fe9dcec8806eea43.js:1:16009)
    at ye (polyfills.fe9dcec8806eea43.js:1:15548)
    at polyfills.fe9dcec8806eea43.js:1:16854
    at N.invokeTask (polyfills.fe9dcec8806eea43.js:1:7153)
    at Object.onInvokeTask (256.612799c9aae468e4.js:1:170779)
    at N.invokeTask (polyfills.fe9dcec8806eea43.js:1:7074)
    at z.runTask (polyfills.fe9dcec8806eea43.js:1:2495)
    at y (polyfills.fe9dcec8806eea43.js:1:9194)
    at P.invokeTask [as invoke] (polyfills.fe9dcec8806eea43.js:1:8237)
    at U (polyfills.fe9dcec8806eea43.js:1:20912)

我觉得很奇怪，因为当我进入 Pod 内部时，我可以清楚地看到该文件可用，而且，我什至能够访问 http://ms.test/remoteEntry.js 的内容浏览器，只是在应用程序中使用时不起作用。

angular kubernetes webpack service coredns
1个回答
0
投票

当您使用

Ingress
时，您不应使用服务来访问您的应用程序。首先，您需要将 
ms.test
解析为您的 minikube ip，然后尝试您在 Ingress yaml 文件中设置的路径。例如，你应该尝试这个：

GET http://ms.test/

当您点击 

/
路径时，它会调用 
host-app-srv
。 希望有帮助！

最新问题
© www.soinside.com 2019 - 2024. All rights reserved.