96 lines
3.4 KiB
Bash
96 lines
3.4 KiB
Bash
#!/bin/bash
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set -euo pipefail
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echo "开始安装 Prometheus..."
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sudo chown -R 65534:65534 /opt/prometheus/data
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kubectl apply -f prometheus-configmap-basic.yaml
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kubectl apply -f prometheus-rbac.yaml
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kubectl apply -f prometheus-deployment.yaml
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kubectl apply -f prometheus-service.yaml
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kubectl apply -f prometheus-ingress.yaml
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echo "等待 Prometheus 启动..."
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kubectl wait --for=condition=available --timeout=300s deployment/prometheus
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echo "Prometheus 安装完成！"
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echo "查看状态: kubectl get pods -l app=prometheus"
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echo ""
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echo "=========================================="
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echo "Prometheus 与 Alertmanager 集成配置"
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echo "注意：此部分需要在安装完 Alertmanager 后执行"
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echo "=========================================="
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echo "应用告警规则配置..."
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kubectl apply -f prometheus-rules-configmap.yaml
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echo "更新 Prometheus 配置以集成 Alertmanager..."
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kubectl apply -f prometheus-configmap.yaml
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kubectl apply -f prometheus-deployment.yaml
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echo "等待 Prometheus 重新启动..."
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kubectl wait --for=condition=available --timeout=300s deployment/prometheus
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echo "=========================================="
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echo "Prometheus 与 Alertmanager 集成完成！"
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echo "=========================================="
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echo ""
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echo "=========================================="
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echo "K3s 监控组件安装"
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echo "=========================================="
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echo "检查 K3s 环境..."
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kubectl get nodes
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kubectl get pods -A | grep metrics
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echo ""
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echo "安装 kube-state-metrics (可选，提供更丰富的K8s对象指标)..."
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kubectl apply -f kube-state-metrics-deployment.yaml
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echo ""
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echo "安装 node-exporter (可选，提供节点硬件指标)..."
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kubectl apply -f node-exporter-daemonset.yaml
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echo ""
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echo "等待组件启动..."
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kubectl wait --for=condition=available --timeout=300s deployment/kube-state-metrics 2>/dev/null || echo "kube-state-metrics 未安装或启动失败"
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kubectl wait --for=condition=ready --timeout=300s pod -l app=node-exporter 2>/dev/null || echo "node-exporter 未安装或启动失败"
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echo ""
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echo "更新 Prometheus 配置以适配 K3s..."
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kubectl apply -f prometheus-configmap.yaml
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kubectl apply -f prometheus-deployment.yaml
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echo ""
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echo "等待 Prometheus 重新启动..."
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kubectl wait --for=condition=available --timeout=300s deployment/prometheus
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echo ""
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echo "检查 Prometheus targets..."
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sleep 10
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kubectl exec -it $(kubectl get pods -l app=prometheus -o jsonpath="{.items[0].metadata.name}") -- wget -qO- http://localhost:9090/api/v1/targets | grep -o '"job":"[^"]*"' | sort | uniq
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echo ""
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echo "=========================================="
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echo "K3s 监控组件安装完成！"
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echo "=========================================="
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echo "K3s 内置监控组件："
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echo "- metrics-server: 已存在"
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echo "- kubelet metrics: 通过 API 代理访问"
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echo "- cAdvisor: 通过 API 代理访问"
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echo ""
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echo "可选组件："
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echo "- kube-state-metrics: $(kubectl get pods -l app=kube-state-metrics --no-headers 2>/dev/null | wc -l) 个实例"
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echo "- node-exporter: $(kubectl get pods -l app=node-exporter --no-headers 2>/dev/null | wc -l) 个实例"
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echo ""
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echo "访问地址："
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echo "- Prometheus: https://prom-ops.t-aaron.com/targets"
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echo "- Grafana: https://grafana-ops.t-aaron.com"
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echo "- Alertmanager: https://alertmanager-ops.t-aaron.com"
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echo ""
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echo "现在可以在 Grafana 中看到 K3s 容器监控数据了！"
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echo "=========================================="
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