143 lines
4.1 KiB
Plaintext
143 lines
4.1 KiB
Plaintext
// ============================================================================
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// Grafana Alloy 配置文件 - 用于监控 agent_runner 进程
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// ============================================================================
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// 此配置文件实现：
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// 1. 自动发现 agent_runner 及其子进程
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// 2. 使用 eBPF 进行 CPU 性能剖析
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// 3. 将性能数据发送到 Pyroscope Server
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// ============================================================================
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// ============================================================================
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// 进程发现 - 发现所有运行中的进程
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// ============================================================================
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discovery.process "all" {
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}
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// ============================================================================
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// 进程过滤 - 只保留 agent_runner 相关进程
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// ============================================================================
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discovery.relabel "agent_runner_filter" {
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targets = discovery.process.all.targets
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// 规则 1: 保留 agent_runner 主进程及其所有子进程
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// 匹配条件：进程名是 agent_runner 或者父进程 PID 是 1
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rule {
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source_labels = ["__meta_process_exe", "__meta_process_ppid"]
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regex = ".*/agent_runner|;1"
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action = "keep"
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}
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// 规则 2: 添加进程 PID 标签
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rule {
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source_labels = ["__meta_process_pid"]
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target_label = "process_pid"
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}
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// 规则 3: 添加进程名称标签
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rule {
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source_labels = ["__meta_process_comm"]
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target_label = "process_name"
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}
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// 规则 4: 添加完整执行路径标签
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rule {
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source_labels = ["__meta_process_exe"]
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target_label = "process_exe"
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}
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// 规则 5: 添加父进程 PID 标签
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rule {
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source_labels = ["__meta_process_ppid"]
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target_label = "parent_pid"
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}
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// 规则 6: 添加命令行参数标签
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rule {
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source_labels = ["__meta_process_cmdline"]
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target_label = "process_cmdline"
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}
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// 规则 7: 添加环境标签
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rule {
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target_label = "env"
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replacement = "dev"
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}
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// 规则 8: 添加容器 ID 标签（从环境变量动态组合）
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rule {
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target_label = "container_id"
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replacement = "agent-${env:USER_ID}"
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}
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// 规则 9: 添加应用名称标签
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rule {
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target_label = "job"
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replacement = "agent_runner"
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}
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// 规则 10: 添加实例标签（从环境变量动态组合）
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rule {
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target_label = "instance"
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replacement = "agent-${env:USER_ID}"
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}
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// 添加集群标签
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rule {
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target_label = "cluster"
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replacement = "rcoder"
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}
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// 添加数据中心标签
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rule {
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target_label = "datacenter"
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replacement = "local"
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}
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}
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// ============================================================================
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// 写入 Pyroscope Server
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// ============================================================================
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pyroscope.write "remote" {
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endpoint {
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url = "http://pyroscope:4040"
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}
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external_labels = {
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"env" = "dev",
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"datacenter" = "local",
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"cluster" = "rcoder",
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}
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}
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// ============================================================================
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// eBPF 性能分析组件
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// ============================================================================
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pyroscope.ebpf "agent_runner" {
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forward_to = [pyroscope.write.remote.receiver]
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targets = discovery.relabel.agent_runner_filter.output
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sample_rate = 97
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collect_interval = "15s"
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collect_user_profile = true
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collect_kernel_profile = false
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python_enabled = true
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}
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// ============================================================================
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// Prometheus Remote Write
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// ============================================================================
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prometheus.remote_write "metrics" {
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endpoint {
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url = "http://prometheus:9090/api/v1/write"
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}
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external_labels = {
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"env" = "dev",
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"datacenter" = "local",
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"cluster" = "rcoder",
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}
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}
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