GitOps完整实践指南

概述

GitOps是一种现代的基础设施和应用部署方法论，它将Git作为声明性基础设施和应用配置的唯一真实来源。GitOps通过Git版本控制来管理基础设施和应用的部署、配置和更新，实现了开发和运维流程的统一和自动化。本指南详细介绍GitOps的核心概念、实践方法、工具选择和最佳实践，帮助团队建立高效的GitOps工作流。

GitOps核心概念

GitOps的定义

GitOps是由Weaveworks的联合创始人Alexis Richardson在2017年提出的概念。它是一种操作模型，将Git存储库用作基础设施和应用配置的单一事实来源。GitOps的核心思想是：

声明式配置：使用声明式语言（如YAML）定义系统的期望状态
版本控制：将所有配置存储在Git仓库中，享受版本控制的所有好处
自动同步：自动将系统状态从当前状态调整到期望状态
拉取模式：由部署目标环境主动从Git仓库拉取配置变更

GitOps的工作原理

┌────────────────────┐     ┌────────────────────┐     ┌────────────────────┐
│                    │     │                    │     │                    │
│   开发者提交变更    │────▶│   Git仓库           │────▶│   GitOps控制器     │
│                    │     │                    │     │                    │
└────────────────────┘     └────────────────────┘     └────────────────────┘
                                                                 │
                                                                 ▼
┌────────────────────┐     ┌────────────────────┐     ┌────────────────────┐
│                    │     │                    │     │                    │
│   监控与告警        │◀────│   运行环境         │◀────│   自动同步          │
│                    │     │                    │     │                    │
└────────────────────┘     └────────────────────┘     └────────────────────┘

GitOps的核心原则

1. 声明式配置

GitOps使用声明式配置来描述系统的期望状态，而不是如何达到这个状态。

# 声明式配置示例
apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-app
spec:
  replicas: 3
  selector:
    matchLabels:
      app: my-app
  template:
    metadata:
      labels:
        app: my-app
    spec:
      containers:
      - name: my-app
        image: my-app:v1.0.0
        ports:
        - containerPort: 8080

2. 版本控制

所有配置都存储在Git仓库中，支持版本控制、分支管理和代码审查。

# Git工作流
git checkout -b feature/new-deployment
# 修改配置
git add .
git commit -m "Add new deployment configuration"
git push origin feature/new-deployment
# 创建Pull Request

3. 自动同步

GitOps控制器持续监控Git仓库的变化，并自动将变更应用到目标环境。

# ArgoCD Application
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: my-app
spec:
  source:
    repoURL: https://github.com/myorg/myapp-config
    targetRevision: HEAD
    path: k8s
  destination:
    server: https://kubernetes.default.svc
    namespace: default
  syncPolicy:
    automated:
      prune: true
      selfHeal: true

4. 拉取模式

目标环境主动从Git仓库拉取配置，而不是推送模式。

# Flux GitRepository
apiVersion: source.toolkit.fluxcd.io/v1beta1
kind: GitRepository
metadata:
  name: my-app
spec:
  interval: 1m
  url: https://github.com/myorg/myapp-config
  ref:
    branch: main

GitOps与传统CI/CD的区别

传统CI/CD流程

代码提交 → 构建 → 测试 → 打包 → 推送到仓库 → 部署到环境

GitOps流程

代码提交 → 构建 → 测试 → 打包 → 推送到仓库 → 更新Git配置 → 自动部署

主要区别

特性	传统CI/CD	GitOps
配置管理	分散在多个系统	集中在Git仓库
部署方式	推送模式	拉取模式
回滚机制	重新部署	Git回滚
审计追踪	分散的日志	Git历史
环境一致性	难以保证	天然一致
安全性	需要多个凭证	只需Git访问权限

GitOps工具链

主要工具

1. ArgoCD

特点：功能丰富、用户界面友好
适用场景：Kubernetes环境、需要Web UI的团队
优势：支持多集群、丰富的插件生态

2. Flux

特点：轻量级、云原生
适用场景：Kubernetes环境、自动化优先的团队
优势：与Kubernetes深度集成、声明式配置

3. Jenkins X

特点：完整的CI/CD解决方案
适用场景：需要完整DevOps工具链的团队
优势：内置GitOps、支持多种语言

4. Tekton

特点：云原生CI/CD平台
适用场景：Kubernetes环境、需要高度定制化的团队
优势：基于Kubernetes、可扩展性强

工具选择考虑因素

技术栈：是否使用Kubernetes
团队规模：小团队vs大团队
复杂度需求：简单部署vs复杂工作流
学习曲线：团队的技术能力
社区支持：工具的活跃度和文档质量

ArgoCD实践

安装ArgoCD

1. 使用kubectl安装

# 创建命名空间
kubectl create namespace argocd

# 安装ArgoCD
kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

# 等待Pod就绪
kubectl wait --for=condition=available --timeout=300s deployment/argocd-server -n argocd

2. 访问ArgoCD

# 端口转发
kubectl port-forward svc/argocd-server -n argocd 8080:443

# 获取初始密码
kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d

配置ArgoCD

1. 创建Application

# application.yaml
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: my-app
  namespace: argocd
spec:
  project: default
  source:
    repoURL: https://github.com/myorg/myapp-config
    targetRevision: HEAD
    path: k8s
  destination:
    server: https://kubernetes.default.svc
    namespace: default
  syncPolicy:
    automated:
      prune: true
      selfHeal: true
    syncOptions:
    - CreateNamespace=true

2. 创建Project

# project.yaml
apiVersion: argoproj.io/v1alpha1
kind: AppProject
metadata:
  name: my-project
  namespace: argocd
spec:
  description: My application project
  sourceRepos:
  - 'https://github.com/myorg/*'
  destinations:
  - namespace: 'default'
    server: https://kubernetes.default.svc
  - namespace: 'staging'
    server: https://kubernetes.default.svc
  clusterResourceWhitelist:
  - group: ''
    kind: Namespace
  - group: 'apps'
    kind: Deployment
  - group: 'apps'
    kind: Service

ArgoCD高级功能

1. 多集群管理

# cluster-secret.yaml
apiVersion: v1
kind: Secret
metadata:
  name: cluster-secret
  namespace: argocd
  labels:
    argocd.argoproj.io/secret-type: cluster
type: Opaque
stringData:
  name: production-cluster
  server: https://production-cluster.example.com
  config: |
    {
      "bearerToken": "eyJhbGciOiJSUzI1NiIs...",
      "tlsClientConfig": {
        "insecure": false,
        "caData": "LS0tLS1CRUdJTi..."
      }
    }

2. 应用集（ApplicationSet）

# applicationset.yaml
apiVersion: argoproj.io/v1alpha1
kind: ApplicationSet
metadata:
  name: my-apps
  namespace: argocd
spec:
  generators:
  - clusters:
      selector:
        matchLabels:
          argocd.argoproj.io/secret-type: cluster
  template:
    metadata:
      name: '{{name}}-my-app'
    spec:
      project: default
      source:
        repoURL: https://github.com/myorg/myapp-config
        targetRevision: HEAD
        path: k8s
      destination:
        server: '{{server}}'
        namespace: default
      syncPolicy:
        automated:
          prune: true
          selfHeal: true

Flux实践

安装Flux

1. 使用Flux CLI安装

# 安装Flux CLI
curl -s https://fluxcd.io/install.sh | sudo bash

# 检查Flux前提条件
flux check --pre

# 安装Flux
flux install

# 验证安装
kubectl get pods -n flux-system

2. 配置Git仓库

# 创建GitRepository
flux create source git my-app \
  --url=https://github.com/myorg/myapp-config \
  --branch=main \
  --interval=1m

# 创建Kustomization
flux create kustomization my-app \
  --source=my-app \
  --path="./k8s" \
  --prune=true \
  --interval=5m

Flux配置

1. GitRepository资源

# gitrepository.yaml
apiVersion: source.toolkit.fluxcd.io/v1beta1
kind: GitRepository
metadata:
  name: my-app
  namespace: flux-system
spec:
  interval: 1m
  url: https://github.com/myorg/myapp-config
  ref:
    branch: main
  secretRef:
    name: git-credentials

2. Kustomization资源

# kustomization.yaml
apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
kind: Kustomization
metadata:
  name: my-app
  namespace: flux-system
spec:
  interval: 5m
  sourceRef:
    kind: GitRepository
    name: my-app
  path: "./k8s"
  prune: true
  wait: true
  timeout: 5m
  healthChecks:
  - apiVersion: apps/v1
    kind: Deployment
    name: my-app
    namespace: default

Flux高级功能

1. 镜像自动更新

# image-repository.yaml
apiVersion: image.toolkit.fluxcd.io/v1beta1
kind: ImageRepository
metadata:
  name: my-app
  namespace: flux-system
spec:
  image: myregistry.com/myapp
  interval: 1m
---
apiVersion: image.toolkit.fluxcd.io/v1beta1
kind: ImagePolicy
metadata:
  name: my-app
  namespace: flux-system
spec:
  imageRepositoryRef:
    name: my-app
  policy:
    semver:
      range: '^1.0.0'
---
apiVersion: image.toolkit.fluxcd.io/v1beta1
kind: ImageUpdateAutomation
metadata:
  name: my-app
  namespace: flux-system
spec:
  sourceRef:
    kind: GitRepository
    name: my-app
  git:
    checkout:
      ref:
        branch: main
    commit:
      author:
        name: fluxbot
        email: fluxbot@example.com
      messageTemplate: 'Update image: {{range .Images}}{{.}}{{end}}'
    push:
      branch: main
  update:
    path: "./k8s"
    strategy: Setters

2. 多环境管理

# kustomization-dev.yaml
apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
kind: Kustomization
metadata:
  name: my-app-dev
  namespace: flux-system
spec:
  interval: 5m
  sourceRef:
    kind: GitRepository
    name: my-app
  path: "./k8s/overlays/dev"
  prune: true
  wait: true
---
# kustomization-prod.yaml
apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
kind: Kustomization
metadata:
  name: my-app-prod
  namespace: flux-system
spec:
  interval: 5m
  sourceRef:
    kind: GitRepository
    name: my-app
  path: "./k8s/overlays/prod"
  prune: true
  wait: true

GitOps与CI/CD集成

集成模式

1. 分离式集成

CI流水线：代码 → 构建 → 测试 → 推送镜像
GitOps：镜像更新 → 配置更新 → 自动部署

2. 一体化集成

CI流水线：代码 → 构建 → 测试 → 推送镜像 → 更新配置 → 触发部署

CI/CD流水线配置

1. GitHub Actions

# .github/workflows/ci-cd.yml
name: CI/CD Pipeline

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    
    - name: Build and push image
      run: |
        docker build -t myapp:${{ github.sha }} .
        docker push myapp:${{ github.sha }}
    
    - name: Update GitOps config
      run: |
        # 更新Kubernetes配置中的镜像标签
        sed -i "s|image: myapp:.*|image: myapp:${{ github.sha }}|g" k8s/deployment.yaml
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git add k8s/deployment.yaml
        git commit -m "Update image to ${{ github.sha }}" || exit 0
        git push

2. GitLab CI/CD

# .gitlab-ci.yml
stages:
  - build
  - deploy

build:
  stage: build
  script:
    - docker build -t $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA .
    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA

deploy:
  stage: deploy
  script:
    - |
      # 更新Kubernetes配置
      sed -i "s|image: myapp:.*|image: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA|g" k8s/deployment.yaml
      git add k8s/deployment.yaml
      git commit -m "Update image to $CI_COMMIT_SHA"
      git push origin $CI_COMMIT_REF_NAME
  only:
    - main

镜像更新策略

1. 自动更新

# 使用Flux Image Automation
apiVersion: image.toolkit.fluxcd.io/v1beta1
kind: ImageUpdateAutomation
metadata:
  name: my-app
spec:
  sourceRef:
    kind: GitRepository
    name: my-app
  git:
    checkout:
      ref:
        branch: main
    commit:
      author:
        name: fluxbot
        email: fluxbot@example.com
      messageTemplate: 'Update image: {{range .Images}}{{.}}{{end}}'
    push:
      branch: main
  update:
    path: "./k8s"
    strategy: Setters

2. 手动更新

# 手动更新镜像标签
kubectl set image deployment/my-app my-app=myapp:v1.1.0

# 或者通过Git更新
git checkout -b update-image
# 修改deployment.yaml中的镜像标签
git add k8s/deployment.yaml
git commit -m "Update image to v1.1.0"
git push origin update-image
# 创建Pull Request

多环境管理

环境结构

environments/
├── dev/
│   ├── kustomization.yaml
│   └── patches/
├── staging/
│   ├── kustomization.yaml
│   └── patches/
└── production/
    ├── kustomization.yaml
    └── patches/

Kustomize配置

1. 基础配置

# base/kustomization.yaml
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

resources:
- deployment.yaml
- service.yaml
- configmap.yaml

commonLabels:
  app: my-app
  version: v1.0.0

2. 环境特定配置

# environments/dev/kustomization.yaml
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

resources:
- ../../base

patches:
- target:
    kind: Deployment
    name: my-app
  patch: |-
    - op: replace
      path: /spec/replicas
      value: 1
- target:
    kind: Service
    name: my-app
  patch: |-
    - op: replace
      path: /spec/type
      value: NodePort

namePrefix: dev-
namespace: dev

3. 生产环境配置

# environments/production/kustomization.yaml
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

resources:
- ../../base

patches:
- target:
    kind: Deployment
    name: my-app
  patch: |-
    - op: replace
      path: /spec/replicas
      value: 5
- target:
    kind: Service
    name: my-app
  patch: |-
    - op: replace
      path: /spec/type
      value: LoadBalancer

namePrefix: prod-
namespace: production

环境隔离

1. 命名空间隔离

# 为每个环境创建独立的命名空间
apiVersion: v1
kind: Namespace
metadata:
  name: dev
  labels:
    environment: dev
---
apiVersion: v1
kind: Namespace
metadata:
  name: staging
  labels:
    environment: staging
---
apiVersion: v1
kind: Namespace
metadata:
  name: production
  labels:
    environment: production

2. 资源配额

# 为每个环境设置资源配额
apiVersion: v1
kind: ResourceQuota
metadata:
  name: dev-quota
  namespace: dev
spec:
  hard:
    requests.cpu: "2"
    requests.memory: 4Gi
    limits.cpu: "4"
    limits.memory: 8Gi
    persistentvolumeclaims: "4"

安全与合规

访问控制

1. RBAC配置

# 为GitOps工具配置RBAC
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: gitops-role
rules:
- apiGroups: [""]
  resources: ["pods", "services", "configmaps", "secrets"]
  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
- apiGroups: ["apps"]
  resources: ["deployments", "replicasets"]
  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: gitops-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: gitops-role
subjects:
- kind: ServiceAccount
  name: gitops-sa
  namespace: flux-system

2. Git访问控制

# 使用SSH密钥访问Git
apiVersion: v1
kind: Secret
metadata:
  name: git-credentials
  namespace: flux-system
type: Opaque
data:
  identity: <base64-encoded-private-key>
  known_hosts: <base64-encoded-known-hosts>

敏感数据管理

1. 使用Sealed Secrets

# 加密敏感数据
apiVersion: bitnami.com/v1alpha1
kind: SealedSecret
metadata:
  name: my-secret
  namespace: default
spec:
  encryptedData:
    password: AgBy3i4OJSWK+PiTySYZZA9rO43cGDEQAx...
  template:
    metadata:
      name: my-secret
      namespace: default
    type: Opaque

2. 使用External Secrets

# 从外部密钥管理系统同步密钥
apiVersion: external-secrets.io/v1beta1
kind: ExternalSecret
metadata:
  name: my-secret
spec:
  refreshInterval: 1h
  secretStoreRef:
    name: vault-backend
    kind: SecretStore
  target:
    name: my-secret
    creationPolicy: Owner
  data:
  - secretKey: password
    remoteRef:
      key: secret/myapp
      property: password

合规性检查

1. 使用OPA Gatekeeper

# 定义约束模板
apiVersion: templates.gatekeeper.sh/v1beta1
kind: ConstraintTemplate
metadata:
  name: k8srequiredlabels
spec:
  crd:
    spec:
      names:
        kind: K8sRequiredLabels
      validation:
        properties:
          labels:
            type: array
            items:
              type: string
  targets:
  - target: admission.k8s.gatekeeper.sh
    rego: |
      package k8srequiredlabels
      violation[{"msg": msg}] {
        required := input.parameters.labels
        provided := input.review.object.metadata.labels
        missing := required[_]
        not provided[missing]
        msg := sprintf("Missing required label: %v", [missing])
      }
---
# 应用约束
apiVersion: config.gatekeeper.sh/v1beta1
kind: K8sRequiredLabels
metadata:
  name: must-have-gitops-label
spec:
  match:
    kinds:
    - apiGroups: ["apps"]
      kinds: ["Deployment"]
  parameters:
    labels: ["gitops.weave.works/name", "gitops.weave.works/namespace"]

2. 使用Polaris

# Polaris配置
apiVersion: config.polaris.fairwinds.com/v1alpha1
kind: Polaris
metadata:
  name: polaris
spec:
  namespace: polaris
  targetNamespace: polaris
  config:
    checks:
      cpuRequestsMissing: danger
      memoryRequestsMissing: danger
      cpuLimitsMissing: warning
      memoryLimitsMissing: warning
    exemptions:
    - controllerNames:
      - my-controller
      rules:
      - cpuRequestsMissing

监控与告警

监控指标

1. GitOps指标

# Prometheus监控配置
apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
data:
  prometheus.yml: |
    global:
      scrape_interval: 15s
    scrape_configs:
    - job_name: 'argocd'
      static_configs:
      - targets: ['argocd-server:80']
    - job_name: 'flux'
      static_configs:
      - targets: ['flux-controller:8080']

2. 应用指标

# 应用监控配置
apiVersion: v1
kind: ServiceMonitor
metadata:
  name: my-app-monitor
spec:
  selector:
    matchLabels:
      app: my-app
  endpoints:
  - port: metrics
    interval: 30s

告警配置

1. 同步失败告警

# Alertmanager配置
apiVersion: v1
kind: ConfigMap
metadata:
  name: alertmanager-config
data:
  alertmanager.yml: |
    global:
      smtp_smarthost: 'localhost:587'
      smtp_from: 'alertmanager@example.com'
    route:
      group_by: ['alertname']
      group_wait: 10s
      group_interval: 10s
      repeat_interval: 1h
      receiver: 'web.hook'
    receivers:
    - name: 'web.hook'
      webhook_configs:
      - url: 'http://127.0.0.1:5001/'
    - name: 'email'
      email_configs:
      - to: 'admin@example.com'
        subject: 'GitOps Alert: {{ .GroupLabels.alertname }}'
        body: |
          {{ range .Alerts }}
          Alert: {{ .Annotations.summary }}
          Description: {{ .Annotations.description }}
          {{ end }}

2. 健康检查

# 健康检查配置
apiVersion: v1
kind: ConfigMap
metadata:
  name: health-check
data:
  check.sh: |
    #!/bin/bash
    # 检查GitOps同步状态
    if ! kubectl get application my-app -n argocd -o jsonpath='{.status.sync.status}' | grep -q "Synced"; then
      echo "GitOps sync failed"
      exit 1
    fi
    echo "GitOps sync healthy"

最佳实践

1. 仓库结构

myapp-config/
├── .github/
│   └── workflows/
│       └── ci-cd.yml
├── k8s/
│   ├── base/
│   │   ├── kustomization.yaml
│   │   ├── deployment.yaml
│   │   ├── service.yaml
│   │   └── configmap.yaml
│   └── overlays/
│       ├── dev/
│       │   └── kustomization.yaml
│       ├── staging/
│       │   └── kustomization.yaml
│       └── production/
│           └── kustomization.yaml
├── scripts/
│   ├── deploy.sh
│   └── rollback.sh
└── README.md

2. 分支策略

main (生产环境)
├── staging (预发布环境)
├── develop (开发环境)
└── feature/* (功能分支)

3. 配置管理

# 使用Helm管理复杂应用
apiVersion: source.toolkit.fluxcd.io/v1beta1
kind: HelmRepository
metadata:
  name: bitnami
  namespace: flux-system
spec:
  interval: 5m
  url: https://charts.bitnami.com/bitnami
---
apiVersion: helm.toolkit.fluxcd.io/v2beta1
kind: HelmRelease
metadata:
  name: mysql
  namespace: flux-system
spec:
  interval: 5m
  chart:
    spec:
      chart: mysql
      version: '9.0.0'
      sourceRef:
        kind: HelmRepository
        name: bitnami
        namespace: flux-system
  values:
    auth:
      rootPassword: secret
      database: myapp

4. 安全实践

# 使用NetworkPolicy限制网络访问
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: my-app-netpol
spec:
  podSelector:
    matchLabels:
      app: my-app
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          name: frontend
    ports:
    - protocol: TCP
      port: 8080
  egress:
  - to:
    - namespaceSelector:
        matchLabels:
          name: database
    ports:
    - protocol: TCP
      port: 5432

故障排查

常见问题

1. 同步失败

# 检查ArgoCD应用状态
kubectl get application my-app -n argocd
kubectl describe application my-app -n argocd

# 检查Flux同步状态
kubectl get kustomization my-app -n flux-system
kubectl describe kustomization my-app -n flux-system

2. 权限问题

# 检查RBAC权限
kubectl auth can-i create deployments --as=system:serviceaccount:flux-system:flux-controller

# 检查Git访问权限
kubectl logs -n flux-system deployment/flux-controller

3. 配置问题

# 验证Kubernetes配置
kubectl apply --dry-run=client -f k8s/deployment.yaml

# 检查Kustomize配置
kustomize build k8s/overlays/production

调试技巧

# 启用详细日志
kubectl logs -n flux-system deployment/flux-controller --tail=100 -f

# 检查Git仓库状态
kubectl get gitrepository my-app -n flux-system -o yaml

# 手动触发同步
kubectl patch kustomization my-app -n flux-system --type merge -p '{"spec":{"suspend":false}}'

通过遵循这些最佳实践，可以建立高效、安全、可靠的GitOps工作流，实现基础设施和应用的自动化管理。

目录​

概述​

GitOps核心概念​

GitOps的定义​

GitOps的工作原理​

GitOps的核心原则​

1. 声明式配置​

2. 版本控制​

3. 自动同步​

4. 拉取模式​

GitOps与传统CI/CD的区别​

传统CI/CD流程​

GitOps流程​

主要区别​

GitOps工具链​

主要工具​

1. ArgoCD​

2. Flux​

3. Jenkins X​

4. Tekton​

工具选择考虑因素​

ArgoCD实践​

安装ArgoCD​

1. 使用kubectl安装​

2. 访问ArgoCD​

配置ArgoCD​

1. 创建Application​

2. 创建Project​

ArgoCD高级功能​

1. 多集群管理​

2. 应用集（ApplicationSet）​

Flux实践​

安装Flux​

1. 使用Flux CLI安装​

2. 配置Git仓库​

Flux配置​

1. GitRepository资源​

2. Kustomization资源​

Flux高级功能​

1. 镜像自动更新​

2. 多环境管理​

GitOps与CI/CD集成​

集成模式​

1. 分离式集成​

2. 一体化集成​

CI/CD流水线配置​

1. GitHub Actions​

2. GitLab CI/CD​

镜像更新策略​

1. 自动更新​

2. 手动更新​

多环境管理​

环境结构​

Kustomize配置​

1. 基础配置​

2. 环境特定配置​

3. 生产环境配置​

环境隔离​

1. 命名空间隔离​

2. 资源配额​

安全与合规​

访问控制​

1. RBAC配置​

2. Git访问控制​

敏感数据管理​

1. 使用Sealed Secrets​

2. 使用External Secrets​

合规性检查​

1. 使用OPA Gatekeeper​

2. 使用Polaris​

监控与告警​

监控指标​

1. GitOps指标​

2. 应用指标​

告警配置​

1. 同步失败告警​

2. 健康检查​

最佳实践​

1. 仓库结构​

2. 分支策略​

目录

概述