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孙小云
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# SkyWalking 安装指南
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## 概述
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SkyWalking 是一个开源的 APM（应用性能监控）系统，用于监控、追踪和诊断分布式系统。
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## 组件
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- **Elasticsearch 7.9.0**: 数据存储后端
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- **SkyWalking OAP Server 8.9.1**: 后端分析处理服务
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- **SkyWalking UI 8.9.1**: Web 管理界面
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## 安装
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### 快速安装
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```bash
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# 进入 skywalking 目录
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cd newinstall/skywalking
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# 1. 在 master 节点上设置存储目录
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sudo ./setup-storage.sh
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# 2. 执行安装脚本
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./install-skywalking.sh
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```
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### 手动安装
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```bash
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# 1. 部署 Elasticsearch
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kubectl apply -f elasticsearch-deployment.yaml
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kubectl apply -f elasticsearch-service.yaml
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# 2. 等待 Elasticsearch 就绪
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kubectl wait --for=condition=ready pod -l app=elasticsearch --timeout=300s
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# 3. 部署 SkyWalking OAP
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kubectl apply -f skywalking-oap-deployment.yaml
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kubectl apply -f skywalking-oap-service.yaml
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# 4. 等待 OAP 就绪
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kubectl wait --for=condition=ready pod -l app=skywalking-oap --timeout=300s
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# 5. 部署 SkyWalking UI
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kubectl apply -f skywalking-ui-deployment.yaml
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kubectl apply -f skywalking-ui-service.yaml
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# 6. 配置 Ingress
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kubectl apply -f skywalking-ingress.yaml
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```
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## 访问
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- **Web UI**: https://skywalking-ops.t-aaron.com
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- **OAP REST API**: http://skywalking-oap:12800
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- **OAP gRPC**: http://skywalking-oap:11800
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## 配置说明
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### 存储配置
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- **存储类型**: HostPath (单节点)
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- **存储位置**: Master 节点的 `/opt` 目录
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- **Elasticsearch 数据**: `/opt/elasticsearch`
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- **SkyWalking OAP 数据**: `/opt/skywalking-oap`
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- **数据持久性**: ✅ 持久化存储，Pod 重启后数据保留
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### Elasticsearch
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- 端口: 9200 (HTTP), 9300 (Transport)
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- 内存: 1-2GB
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- 存储: 单节点模式，数据存储在 `/opt/elasticsearch`
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### SkyWalking OAP
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- 端口: 11800 (gRPC), 12800 (REST)
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- 内存: 1-2GB
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- 存储后端: Elasticsearch
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- 数据存储: `/opt/skywalking-oap`
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### SkyWalking UI
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- 端口: 8080
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- 内存: 256-512MB
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- 后端: SkyWalking OAP
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## 监控应用
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### Java 应用
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在 Java 应用启动时添加以下 JVM 参数：
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```bash
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-javaagent:/path/to/skywalking-agent.jar
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-Dskywalking.agent.service_name=your-service-name
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-Dskywalking.collector.backend_service=skywalking-oap:11800
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```
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### Spring Boot 应用
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在 `application.properties` 中添加：
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```properties
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# SkyWalking 配置
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skywalking.agent.service_name=your-service-name
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skywalking.collector.backend_service=skywalking-oap:11800
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```
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## 故障排除
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### 检查服务状态
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```bash
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# 查看所有 Pod 状态
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kubectl get pods | grep -E "(elasticsearch|skywalking)"
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# 查看服务状态
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kubectl get svc | grep -E "(elasticsearch|skywalking)"
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# 查看日志
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kubectl logs -l app=elasticsearch
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kubectl logs -l app=skywalking-oap
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kubectl logs -l app=skywalking-ui
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```
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### 常见问题
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1. **Elasticsearch 启动失败**
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- 检查内存限制
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- 检查存储权限
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2. **OAP 连接 Elasticsearch 失败**
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- 检查 Elasticsearch 是否就绪
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- 检查网络连接
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3. **UI 无法访问**
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- 检查 Ingress 配置
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- 检查 OAP 服务状态
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## 卸载
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```bash
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# 删除所有资源
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kubectl delete -f skywalking-ingress.yaml
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kubectl delete -f skywalking-ui-deployment.yaml
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kubectl delete -f skywalking-ui-service.yaml
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kubectl delete -f skywalking-oap-deployment.yaml
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kubectl delete -f skywalking-oap-service.yaml
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kubectl delete -f elasticsearch-deployment.yaml
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kubectl delete -f elasticsearch-service.yaml
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```
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: elasticsearch
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namespace: default
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labels:
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app: elasticsearch
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: elasticsearch
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template:
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metadata:
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labels:
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app: elasticsearch
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spec:
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containers:
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- name: elasticsearch
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image: registry.t-aaron.com/elasticsearch:7.9.0
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ports:
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- containerPort: 9200
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name: http
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- containerPort: 9300
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name: transport
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env:
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- name: discovery.type
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value: "single-node"
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- name: bootstrap.memory_lock
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value: "true"
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- name: TZ
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value: "Asia/Shanghai"
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- name: "ES_JAVA_OPTS"
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value: "-Xms512m -Xmx512m"
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resources:
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requests:
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memory: "1Gi"
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cpu: "500m"
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limits:
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memory: "2Gi"
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cpu: "1000m"
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livenessProbe:
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httpGet:
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path: /_cluster/health
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port: 9200
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initialDelaySeconds: 30
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periodSeconds: 30
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timeoutSeconds: 10
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failureThreshold: 3
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readinessProbe:
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httpGet:
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path: /_cluster/health
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port: 9200
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initialDelaySeconds: 10
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periodSeconds: 30
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timeoutSeconds: 10
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failureThreshold: 3
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securityContext:
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capabilities:
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add:
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- IPC_LOCK
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volumeMounts:
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- name: data
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mountPath: /usr/share/elasticsearch/data
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volumes:
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- name: data
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persistentVolumeClaim:
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claimName: elasticsearch-pvc
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securityContext:
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fsGroup: 1000
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: elasticsearch
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namespace: default
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labels:
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app: elasticsearch
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: elasticsearch
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template:
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metadata:
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labels:
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app: elasticsearch
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spec:
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nodeSelector:
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node-role.kubernetes.io/control-plane: "true"
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containers:
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- name: elasticsearch
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image: registry.t-aaron.com/elasticsearch:7.9.0
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ports:
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- containerPort: 9200
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name: http
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- containerPort: 9300
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name: transport
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env:
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- name: discovery.type
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value: "single-node"
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- name: bootstrap.memory_lock
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value: "true"
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- name: TZ
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value: "Asia/Shanghai"
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- name: "ES_JAVA_OPTS"
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value: "-Xms512m -Xmx512m"
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resources:
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requests:
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memory: "1Gi"
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cpu: "500m"
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limits:
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memory: "2Gi"
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cpu: "1000m"
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livenessProbe:
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httpGet:
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path: /_cluster/health
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port: 9200
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initialDelaySeconds: 30
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periodSeconds: 30
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timeoutSeconds: 10
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failureThreshold: 3
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readinessProbe:
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httpGet:
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path: /_cluster/health
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port: 9200
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initialDelaySeconds: 10
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periodSeconds: 30
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timeoutSeconds: 10
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failureThreshold: 3
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securityContext:
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capabilities:
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add:
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- IPC_LOCK
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volumeMounts:
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- name: data
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mountPath: /usr/share/elasticsearch/data
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volumes:
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- name: data
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hostPath:
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path: /opt/elasticsearch
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type: DirectoryOrCreate
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securityContext:
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fsGroup: 1000
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apiVersion: v1
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kind: Service
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metadata:
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name: elasticsearch
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namespace: default
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labels:
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app: elasticsearch
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spec:
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selector:
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app: elasticsearch
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ports:
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- name: http
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port: 9200
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targetPort: 9200
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- name: transport
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port: 9300
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targetPort: 9300
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type: ClusterIP
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#!/bin/bash
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# SkyWalking 安装脚本
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echo "开始安装 SkyWalking..."
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# 检查 kubectl 是否可用
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if ! command -v kubectl &> /dev/null; then
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echo "错误: kubectl 未安装或不在 PATH 中"
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exit 1
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fi
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# 创建存储目录
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echo "创建存储目录..."
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echo "在 master 节点上创建以下目录："
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echo " - /opt/elasticsearch"
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echo " - /opt/skywalking-oap"
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echo ""
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echo "请确保 master 节点有足够的磁盘空间（建议至少 100GB）"
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echo ""
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# 创建命名空间（如果不存在）
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echo "创建命名空间..."
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kubectl create namespace default --dry-run=client -o yaml | kubectl apply -f -
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# 按顺序部署组件
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echo "1. 部署 Elasticsearch..."
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kubectl apply -f elasticsearch-deployment.yaml
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kubectl apply -f elasticsearch-service.yaml
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echo "等待 Elasticsearch 启动..."
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kubectl wait --for=condition=ready pod -l app=elasticsearch --timeout=300s
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echo "2. 部署 SkyWalking OAP..."
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kubectl apply -f skywalking-oap-deployment.yaml
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kubectl apply -f skywalking-oap-service.yaml
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echo "等待 SkyWalking OAP 启动..."
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kubectl wait --for=condition=ready pod -l app=skywalking-oap --timeout=300s
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echo "3. 部署 SkyWalking UI..."
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kubectl apply -f skywalking-ui-deployment.yaml
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kubectl apply -f skywalking-ui-service.yaml
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echo "等待 SkyWalking UI 启动..."
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kubectl wait --for=condition=ready pod -l app=skywalking-ui --timeout=300s
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echo "4. 配置 Ingress..."
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kubectl apply -f skywalking-ingress.yaml
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echo "SkyWalking 安装完成！"
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echo ""
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echo "访问地址: https://skywalking-ops.t-aaron.com"
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echo ""
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echo "检查服务状态:"
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kubectl get pods -l app=elasticsearch
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kubectl get pods -l app=skywalking-oap
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kubectl get pods -l app=skywalking-ui
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echo ""
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echo "检查服务:"
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kubectl get svc | grep -E "(elasticsearch|skywalking)"
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echo ""
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echo "检查 Ingress:"
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kubectl get ingress skywalking-ingress
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#!/bin/bash
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# SkyWalking 存储目录设置脚本
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# 在 master 节点上执行此脚本
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echo "设置 SkyWalking 存储目录..."
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# 创建 Elasticsearch 数据目录
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echo "创建 Elasticsearch 数据目录..."
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sudo mkdir -p /opt/elasticsearch
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sudo chown -R 1000:1000 /opt/elasticsearch
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sudo chmod -R 755 /opt/elasticsearch
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# 创建 SkyWalking OAP 数据目录
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echo "创建 SkyWalking OAP 数据目录..."
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sudo mkdir -p /opt/skywalking-oap
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sudo chown -R 1000:1000 /opt/skywalking-oap
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sudo chmod -R 755 /opt/skywalking-oap
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# 检查磁盘空间
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echo "检查磁盘空间..."
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df -h /opt
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echo "存储目录设置完成！"
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echo ""
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echo "目录信息："
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echo " Elasticsearch: /opt/elasticsearch (所有者: 1000:1000)"
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echo " SkyWalking OAP: /opt/skywalking-oap (所有者: 1000:1000)"
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echo ""
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echo "现在可以运行 install-skywalking.sh 安装 SkyWalking"
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: skywalking-ingress
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namespace: default
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annotations:
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traefik.ingress.kubernetes.io/router.entrypoints: web,websecure
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traefik.ingress.kubernetes.io/router.tls: "true"
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spec:
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tls:
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- hosts:
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- skywalking-ops.t-aaron.com
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secretName: tls
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rules:
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||||
- host: skywalking-ops.t-aaron.com
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http:
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paths:
|
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- path: /
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pathType: Prefix
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backend:
|
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service:
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name: skywalking-ui
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port:
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number: 8080
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@ -0,0 +1,87 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: skywalking-oap
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namespace: default
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labels:
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app: skywalking-oap
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spec:
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||||
replicas: 1
|
||||
selector:
|
||||
matchLabels:
|
||||
app: skywalking-oap
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||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: skywalking-oap
|
||||
spec:
|
||||
nodeSelector:
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node-role.kubernetes.io/control-plane: "true"
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containers:
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- name: skywalking-oap
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image: registry.t-aaron.com/apache/skywalking-oap-server:8.9.1
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ports:
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- containerPort: 11800
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name: grpc
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- containerPort: 12800
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name: rest
|
||||
env:
|
||||
- name: SW_STORAGE
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value: "elasticsearch"
|
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- name: SW_STORAGE_ES_CLUSTER_NODES
|
||||
value: "elasticsearch:9200"
|
||||
- name: SW_HEALTH_CHECKER
|
||||
value: "default"
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||||
- name: SW_TELEMETRY
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value: "prometheus"
|
||||
- name: TZ
|
||||
value: "Asia/Shanghai"
|
||||
- name: JAVA_OPTS
|
||||
value: "-Xms1024m -Xmx1024m"
|
||||
resources:
|
||||
requests:
|
||||
memory: "1Gi"
|
||||
cpu: "500m"
|
||||
limits:
|
||||
memory: "2Gi"
|
||||
cpu: "1000m"
|
||||
livenessProbe:
|
||||
exec:
|
||||
command:
|
||||
- /bin/sh
|
||||
- -c
|
||||
- "/skywalking/bin/swctl ch"
|
||||
initialDelaySeconds: 30
|
||||
periodSeconds: 30
|
||||
timeoutSeconds: 10
|
||||
failureThreshold: 3
|
||||
readinessProbe:
|
||||
exec:
|
||||
command:
|
||||
- /bin/sh
|
||||
- -c
|
||||
- "/skywalking/bin/swctl ch"
|
||||
initialDelaySeconds: 10
|
||||
periodSeconds: 30
|
||||
timeoutSeconds: 10
|
||||
failureThreshold: 3
|
||||
volumeMounts:
|
||||
- name: data
|
||||
mountPath: /skywalking/data
|
||||
volumes:
|
||||
- name: data
|
||||
hostPath:
|
||||
path: /opt/skywalking-oap
|
||||
type: DirectoryOrCreate
|
||||
initContainers:
|
||||
- name: wait-for-elasticsearch
|
||||
image: registry.t-aaron.com/busybox:1.35
|
||||
command:
|
||||
- sh
|
||||
- -c
|
||||
- |
|
||||
until wget --spider -q 'http://elasticsearch:9200/_cluster/health'; do
|
||||
echo "Waiting for Elasticsearch to be ready..."
|
||||
sleep 5
|
||||
done
|
||||
echo "Elasticsearch is ready!"
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: skywalking-oap
|
||||
namespace: default
|
||||
labels:
|
||||
app: skywalking-oap
|
||||
spec:
|
||||
selector:
|
||||
app: skywalking-oap
|
||||
ports:
|
||||
- name: grpc
|
||||
port: 11800
|
||||
targetPort: 11800
|
||||
- name: rest
|
||||
port: 12800
|
||||
targetPort: 12800
|
||||
type: ClusterIP
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: skywalking-ui
|
||||
namespace: default
|
||||
labels:
|
||||
app: skywalking-ui
|
||||
spec:
|
||||
replicas: 1
|
||||
selector:
|
||||
matchLabels:
|
||||
app: skywalking-ui
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: skywalking-ui
|
||||
spec:
|
||||
nodeSelector:
|
||||
node-role.kubernetes.io/control-plane: "true"
|
||||
containers:
|
||||
- name: skywalking-ui
|
||||
image: registry.t-aaron.com/apache/skywalking-ui:8.9.1
|
||||
ports:
|
||||
- containerPort: 8080
|
||||
name: http
|
||||
env:
|
||||
- name: SW_OAP_ADDRESS
|
||||
value: "http://skywalking-oap:12800"
|
||||
- name: TZ
|
||||
value: "Asia/Shanghai"
|
||||
resources:
|
||||
requests:
|
||||
memory: "256Mi"
|
||||
cpu: "100m"
|
||||
limits:
|
||||
memory: "512Mi"
|
||||
cpu: "500m"
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /
|
||||
port: 8080
|
||||
initialDelaySeconds: 30
|
||||
periodSeconds: 30
|
||||
timeoutSeconds: 10
|
||||
failureThreshold: 3
|
||||
readinessProbe:
|
||||
httpGet:
|
||||
path: /
|
||||
port: 8080
|
||||
initialDelaySeconds: 10
|
||||
periodSeconds: 30
|
||||
timeoutSeconds: 10
|
||||
failureThreshold: 3
|
||||
initContainers:
|
||||
- name: wait-for-oap
|
||||
image: registry.t-aaron.com/busybox:1.35
|
||||
command:
|
||||
- sh
|
||||
- -c
|
||||
- |
|
||||
until nc -z skywalking-oap 12800; do
|
||||
echo "Waiting for SkyWalking OAP to be ready..."
|
||||
sleep 5
|
||||
done
|
||||
echo "SkyWalking OAP is ready!"
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: skywalking-ui
|
||||
namespace: default
|
||||
labels:
|
||||
app: skywalking-ui
|
||||
spec:
|
||||
selector:
|
||||
app: skywalking-ui
|
||||
ports:
|
||||
- name: http
|
||||
port: 8080
|
||||
targetPort: 8080
|
||||
type: ClusterIP
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
# 生产环境存储配置
|
||||
apiVersion: v1
|
||||
kind: PersistentVolumeClaim
|
||||
metadata:
|
||||
name: elasticsearch-pvc
|
||||
namespace: default
|
||||
spec:
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
resources:
|
||||
requests:
|
||||
storage: 50Gi
|
||||
storageClassName: local-storage
|
||||
|
||||
---
|
||||
apiVersion: v1
|
||||
kind: PersistentVolumeClaim
|
||||
metadata:
|
||||
name: skywalking-oap-pvc
|
||||
namespace: default
|
||||
spec:
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
resources:
|
||||
requests:
|
||||
storage: 10Gi
|
||||
storageClassName: local-storage
|
||||
Loading…
Reference in New Issue