Merge pull request #50 from GMH233/dev

完成验收答辩

.github/workflows/go.yml

@@ -0,0 +1,28 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+on:
+  push:
+    branches: [ "main", "dev"]
+  pull_request:
+    branches: [ "main", "dev" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.22.x'
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./...

cmd/envoy/Dockerfile

@@ -0,0 +1,33 @@
+# 使用官方的 Golang 镜像作为基础镜像
+FROM golang:bullseye AS builder
+
+# 设置工作目录
+WORKDIR /app
+
+# 复制源代码到工作目录
+COPY . .
+
+WORKDIR /app/cmd/envoy
+# 编译 Go 程序
+RUN go build -o /envoy
+
+# 使用官方的 Debian 镜像作为基础镜像
+FROM debian:bullseye
+
+# 设置工作目录
+WORKDIR /app
+
+# 从构建阶段复制编译后的 Go 程序
+COPY --from=builder /envoy .
+
+# 创建用户和组，并设置 UID 为 1337
+RUN groupadd -g 1337 envoy_proxy_group && useradd -u 1337 -g envoy_proxy_group -m envoy_proxy
+
+# 更改文件所有者为新创建的用户和组
+RUN chown -R envoy_proxy:envoy_proxy_group /app
+
+# 切换到非特权用户
+USER envoy_proxy
+
+# 设置默认命令
+CMD ["/app/envoy"]

cmd/envoy/envoy.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"log"
+	"minikubernetes/pkg/microservice/envoy"
+)
+
+func main() {
+	e, err := envoy.NewEnvoy("10.119.12.123")
+	if err != nil {
+		log.Fatalf("Failed to create envoy: %v", err)
+	}
+	e.Run()
+}

cmd/envoyinit/Dockerfile

@@ -0,0 +1,38 @@
+# 使用官方的 Golang 镜像作为基础镜像
+FROM golang:bullseye AS builder
+
+# 设置工作目录
+WORKDIR /app
+
+# 复制源代码到工作目录
+COPY . .
+
+WORKDIR /app/cmd/envoyinit
+# 编译 Go 程序
+RUN go build -o /envoy-init
+
+# 使用官方的 Debian 镜像作为基础镜像
+FROM debian:bullseye
+
+USER root
+
+# 安装 iptables
+RUN apt-get update && apt-get install -y iptables && rm -rf /var/lib/apt/lists/*
+
+# 设置工作目录
+WORKDIR /app
+
+# 从构建阶段复制编译后的 Go 程序
+COPY --from=builder /envoy-init .
+
+## 创建用户和组，并设置 UID 为 1337
+#RUN groupadd -g 1337 envoy_proxy_group && useradd -u 1337 -g envoy_proxy_group -m envoy_proxy
+#
+## 更改文件所有者为新创建的用户和组
+#RUN chown -R envoy_proxy:envoy_proxy_group /app
+#
+## 切换到非特权用户
+#USER envoy_proxy
+
+# 设置默认命令
+CMD ["/app/envoy-init"]

cmd/envoyinit/envoy_init.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"log"
+	envoyinit "minikubernetes/pkg/microservice/envoy/init"
+)
+
+func main() {
+	e, err := envoyinit.NewEnvoyInit()
+	if err != nil {
+		log.Fatalf("Failed to create envoy: %v", err)
+	}
+	err = e.Init()
+	if err != nil {
+		log.Fatalf("Failed to init envoy: %v", err)
+	}
+	log.Println("Envoy init success.")
+}

cmd/kube-apiserver/apiserver.go

@@ -0,0 +1,13 @@
+package main
+
+import "minikubernetes/pkg/kubeapiserver/app"
+
+/* This is the starting interface of apiserver in main */
+
+func main() {
+	kubeApiServer, err := app.NewKubeApiServer()
+	if err != nil {
+		return
+	}
+	kubeApiServer.Run()
+}

cmd/kube-controller-manager/controllerManager.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+	"minikubernetes/pkg/controller"
+)
+
+func main() {
+	cm := controller.NewControllerManager("192.168.1.10")
+	cm.Run()
+}

cmd/kubectl/kubectl.go

@@ -0,0 +1,7 @@
+package main
+
+import "minikubernetes/pkg/kubectl/cmd"
+
+func main() {
+	cmd.Execute()
+}

cmd/kubectl/testyaml/dns.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: DNS
+metadata:
+  name: nginx-dns
+spec:
+  rules:
+    - host: myservice.com
+      paths:
+        - path: /service1
+          backend:
+            service:
+              name: nginx-service
+              port: 801
+        - path: /service2
+          backend:
+            service:
+              name: nginx-service-2
+              port: 802

cmd/kubectl/testyaml/hpa-cpu.yaml

@@ -0,0 +1,28 @@
+kind: HorizontalPodAutoscaler
+apiVersion: v1
+metadata:
+  name: test-hpa
+spec:
+  scaleTargetRef:
+    kind: ReplicaSet
+    name: nginx-replicaset
+    namespace: default
+  minReplicas: 1
+  maxReplicas: 3
+  scaleWindowSeconds: 20
+  metrics:
+    - name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 50
+        upperThreshold: 80
+        lowerThreshold: 20
+  behavior:
+    scaleUp:
+      type: Pods
+      value: 1
+      periodSeconds: 60
+    scaleDown:
+      type: Pods
+      value: 1
+      periodSeconds: 60

cmd/kubectl/testyaml/hpa-memory.yaml

@@ -0,0 +1,26 @@
+kind: HorizontalPodAutoscaler
+apiVersion: v1
+metadata:
+  name: test-hpa
+spec:
+  scaleTargetRef:
+    kind: ReplicaSet
+    name: nginx-replicaset
+    namespace: default
+  minReplicas: 1
+  maxReplicas: 3
+  scaleWindowSeconds: 20
+  metrics:
+    - name: memory
+      target:
+        type: AverageValue
+        AverageValue: 100
+  behavior:
+    scaleUp:
+      type: Pods
+      value: 1
+      periodSeconds: 60
+    scaleDown:
+      type: Pods
+      value: 1
+      periodSeconds: 60

cmd/kubectl/testyaml/pod.yaml

@@ -0,0 +1,14 @@
+kind: Pod
+apiVersion: v1
+metadata:
+  name: nginx-pod-1
+  namespace: default
+  labels:
+    app: nginx
+spec:
+  containers:
+    - name: container
+      image: python:latest
+      ports:
+        - containerPort: 1024
+          protocol: tcp

cmd/kubectl/testyaml/replicaset.yaml

@@ -0,0 +1,23 @@
+kind: ReplicaSet
+apiVersion: v1
+metadata:
+  name: nginx-replicaset
+  namespace: default
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      name: nginx-pod
+      namespace: default
+      labels:
+        app: nginx
+    spec:
+      containers:
+        - name: container
+          image: python:latest
+          ports:
+            - containerPort: 1024
+              protocol: tcp

cmd/kubectl/testyaml/rolling-update.yaml

@@ -0,0 +1,25 @@
+apiVersion: v1
+kind: RollingUpdate
+metadata:
+  name: my-ru
+spec:
+  serviceRef: reviews
+  port: 9080
+  minimumAlive: 1
+  interval: 20
+  newPodSpec:
+    containers:
+      - name: reviews
+        image: istio/examples-bookinfo-reviews-v3:1.19.1
+        ports:
+          - containerPort: 9080
+            protocol: tcp
+      - name: envoy-proxy
+        image: sjtuzc/envoy:1.1
+        securityContext:
+          runAsUser: 1337
+    initContainers:
+      - name: proxy-init
+        image: sjtuzc/envoy-init:latest
+        securityContext:
+          privileged: true

cmd/kubectl/testyaml/service.yaml

@@ -0,0 +1,13 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: nginx-service
+
+spec:
+  type: NodePort
+  ports:
+    - port: 801
+      targetPort: 1024
+      nodePort: 30081
+  selector:
+    app: nginx

cmd/kubectl/testyaml/subset.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Subset
+metadata:
+  name: nginx-v1
+  namespace: default
+spec:
+  pods:
+    - nginx-pod-1
+    - nginx-pod-2

cmd/kubectl/testyaml/virtual-service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: VirtualService
+metadata:
+  name: nginx-vs
+  namespace: default
+spec:
+  serviceRef: nginx-service
+  port: 802
+  subsets:
+    - name: nginx-v1
+      weight: 1