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https://github.com/nestriness/nestri.git
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⭐ feat(maitred): Update maitred - hookup to the API (#198)
## Description We are attempting to hookup maitred to the API Maitred duties will be: - [ ] Hookup to the API - [ ] Wait for signal (from the API) to start Steam - [ ] Stop signal to stop the gaming session, clean up Steam... and maybe do the backup ## Summary by CodeRabbit - **New Features** - Introduced Docker-based deployment configurations for both the main and relay applications. - Added new API endpoints enabling real-time machine messaging and enhanced IoT operations. - Expanded database schema and actor types to support improved machine tracking. - **Improvements** - Enhanced real-time communication and relay management with streamlined room handling. - Upgraded dependencies, logging, and error handling for greater stability and performance. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: DatCaptainHorse <DatCaptainHorse@users.noreply.github.com> Co-authored-by: Kristian Ollikainen <14197772+DatCaptainHorse@users.noreply.github.com>
This commit is contained in:
Wanjohi
GitHub
405
packages/maitred/internal/system/resources.go
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405
packages/maitred/internal/system/resources.go
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@@ -0,0 +1,405 @@
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package system
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import (
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"bufio"
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"bytes"
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"context"
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"fmt"
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"log/slog"
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"os"
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"os/exec"
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"strconv"
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"strings"
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"sync"
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"time"
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)
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// CPUInfo contains CPU model information
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type CPUInfo struct {
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Vendor string `json:"vendor"` // CPU vendor (e.g., "AMD", "Intel")
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Model string `json:"model"` // CPU model name
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}
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// CPUUsage contains CPU usage metrics
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type CPUUsage struct {
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Info CPUInfo `json:"info"` // CPU vendor and model information
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Total float64 `json:"total"` // Total CPU usage in percentage (0-100)
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PerCore []float64 `json:"per_core"` // CPU usage per core in percentage (0-100)
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}
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// MemoryUsage contains memory usage metrics
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type MemoryUsage struct {
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Total uint64 `json:"total"` // Total memory in bytes
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Used uint64 `json:"used"` // Used memory in bytes
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Available uint64 `json:"available"` // Available memory in bytes
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Free uint64 `json:"free"` // Free memory in bytes
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UsedPercent float64 `json:"used_percent"` // Used memory in percentage (0-100)
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}
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// FilesystemUsage contains usage metrics for a filesystem path
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type FilesystemUsage struct {
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Path string `json:"path"` // Filesystem path
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Total uint64 `json:"total"` // Total disk space in bytes
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Used uint64 `json:"used"` // Used disk space in bytes
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Free uint64 `json:"free"` // Free disk space in bytes
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UsedPercent float64 `json:"used_percent"` // Used disk space in percentage (0-100)
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}
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// GPUUsage contains GPU usage metrics
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type GPUUsage struct {
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Info PCIInfo `json:"pci_info"` // GPU PCI information
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UsagePercent float64 `json:"usage_percent"` // GPU usage in percentage (0-100)
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VRAM VRAMUsage `json:"vram"` // GPU memory usage metrics
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}
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// VRAMUsage contains GPU memory usage metrics
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type VRAMUsage struct {
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Total uint64 `json:"total"` // Total VRAM in bytes
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Used uint64 `json:"used"` // Used VRAM in bytes
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Free uint64 `json:"free"` // Free VRAM in bytes
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UsedPercent float64 `json:"used_percent"` // Used VRAM in percentage (0-100)
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}
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// ResourceUsage contains resource usage metrics
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type ResourceUsage struct {
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CPU CPUUsage `json:"cpu"` // CPU usage metrics
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Memory MemoryUsage `json:"memory"` // Memory usage metrics
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Disk FilesystemUsage `json:"disk"` // Disk usage metrics
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GPUs []GPUUsage `json:"gpus"` // Per-GPU usage metrics
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}
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var (
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lastUsage ResourceUsage
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lastUsageMutex sync.RWMutex
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)
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// GetSystemUsage returns last known system resource usage metrics
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func GetSystemUsage() ResourceUsage {
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lastUsageMutex.RLock()
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defer lastUsageMutex.RUnlock()
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return lastUsage
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}
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// StartMonitoring begins periodic system usage monitoring with the given interval
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func StartMonitoring(ctx context.Context, interval time.Duration) {
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slog.Info("Starting system monitoring")
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go func() {
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// Initial sample immediately
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updateUsage()
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// Ticker for periodic updates
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ticker := time.NewTicker(interval)
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defer ticker.Stop()
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for {
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select {
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case <-ctx.Done():
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slog.Info("Stopping system monitoring")
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return
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case <-ticker.C:
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updateUsage()
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}
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}
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}()
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}
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// updateUsage collects and updates the lastUsage variable
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func updateUsage() {
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// Collect CPU usage
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cpu := GetCPUUsage()
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// Collect memory usage
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memory := GetMemoryUsage()
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// Collect root filesystem usage
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rootfs, err := GetFilesystemUsage("/")
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if err != nil {
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slog.Warn("Failed to get root filesystem usage", "error", err)
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}
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// Collect GPU usage
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gpus := GetGPUUsage()
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// Update shared variable safely
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lastUsageMutex.Lock()
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lastUsage = ResourceUsage{
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CPU: cpu,
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Memory: memory,
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Disk: rootfs,
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GPUs: gpus,
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}
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lastUsageMutex.Unlock()
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}
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// PrettyString returns resource usage metrics in a human-readable format string
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func (r ResourceUsage) PrettyString() string {
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res := "Resource Usage:\n"
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res += fmt.Sprintf(" CPU:\n")
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res += fmt.Sprintf(" Vendor: %s\n", r.CPU.Info.Vendor)
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res += fmt.Sprintf(" Model: %s\n", r.CPU.Info.Model)
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res += fmt.Sprintf(" Total Usage: %.2f%%\n", r.CPU.Total)
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res += fmt.Sprintf(" Per-Core Usage:\n")
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res += fmt.Sprintf(" [")
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for i, coreUsage := range r.CPU.PerCore {
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res += fmt.Sprintf("%.2f%%", coreUsage)
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if i < len(r.CPU.PerCore)-1 {
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res += ", "
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}
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}
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res += "]\n"
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res += fmt.Sprintf(" Memory:\n")
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res += fmt.Sprintf(" Total: %d bytes\n", r.Memory.Total)
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res += fmt.Sprintf(" Used: %d bytes\n", r.Memory.Used)
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res += fmt.Sprintf(" Available: %d bytes\n", r.Memory.Available)
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res += fmt.Sprintf(" Free: %d bytes\n", r.Memory.Free)
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res += fmt.Sprintf(" Used Percent: %.2f%%\n", r.Memory.UsedPercent)
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res += fmt.Sprintf(" Filesystem:\n")
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res += fmt.Sprintf(" Path: %s\n", r.Disk.Path)
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res += fmt.Sprintf(" Total: %d bytes\n", r.Disk.Total)
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res += fmt.Sprintf(" Used: %d bytes\n", r.Disk.Used)
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res += fmt.Sprintf(" Free: %d bytes\n", r.Disk.Free)
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res += fmt.Sprintf(" Used Percent: %.2f%%\n", r.Disk.UsedPercent)
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res += fmt.Sprintf(" GPUs:\n")
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for i, gpu := range r.GPUs {
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cardDev, renderDev, err := gpu.Info.GetCardDevices()
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if err != nil {
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slog.Warn("Failed to get card and render devices", "error", err)
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}
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res += fmt.Sprintf(" GPU %d:\n", i)
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res += fmt.Sprintf(" Vendor: %s\n", gpu.Info.Vendor.Name)
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res += fmt.Sprintf(" Model: %s\n", gpu.Info.Device.Name)
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res += fmt.Sprintf(" Driver: %s\n", gpu.Info.Driver)
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res += fmt.Sprintf(" Card Device: %s\n", cardDev)
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res += fmt.Sprintf(" Render Device: %s\n", renderDev)
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res += fmt.Sprintf(" Usage Percent: %.2f%%\n", gpu.UsagePercent)
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res += fmt.Sprintf(" VRAM:\n")
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res += fmt.Sprintf(" Total: %d bytes\n", gpu.VRAM.Total)
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res += fmt.Sprintf(" Used: %d bytes\n", gpu.VRAM.Used)
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res += fmt.Sprintf(" Free: %d bytes\n", gpu.VRAM.Free)
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res += fmt.Sprintf(" Used Percent: %.2f%%\n", gpu.VRAM.UsedPercent)
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}
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return res
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}
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// GetCPUUsage gathers CPU usage
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func GetCPUUsage() CPUUsage {
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// Helper to read /proc/stat
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readStat := func() (uint64, uint64, []uint64, []uint64) {
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statBytes, err := os.ReadFile("/proc/stat")
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if err != nil {
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slog.Warn("Failed to read /proc/stat", "error", err)
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return 0, 0, nil, nil
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}
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statScanner := bufio.NewScanner(bytes.NewReader(statBytes))
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statScanner.Scan() // Total CPU line
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fields := strings.Fields(statScanner.Text())[1:]
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var total, idle uint64
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for i, field := range fields {
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val, _ := strconv.ParseUint(field, 10, 64)
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total += val
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if i == 3 { // Idle time
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idle = val
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}
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}
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var perCoreTotals, perCoreIdles []uint64
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for statScanner.Scan() {
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line := statScanner.Text()
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if !strings.HasPrefix(line, "cpu") {
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break
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}
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coreFields := strings.Fields(line)[1:]
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var coreTotal, coreIdle uint64
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for i, field := range coreFields {
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val, _ := strconv.ParseUint(field, 10, 64)
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coreTotal += val
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if i == 3 { // Idle time
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coreIdle = val
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}
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}
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perCoreTotals = append(perCoreTotals, coreTotal)
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perCoreIdles = append(perCoreIdles, coreIdle)
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}
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return total, idle, perCoreTotals, perCoreIdles
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}
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// First sample
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prevTotal, prevIdle, prevPerCoreTotals, prevPerCoreIdles := readStat()
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time.Sleep(1 * time.Second) // Delay for accurate delta
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// Second sample
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currTotal, currIdle, currPerCoreTotals, currPerCoreIdles := readStat()
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// Calculate total CPU usage
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totalDiff := float64(currTotal - prevTotal)
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idleDiff := float64(currIdle - prevIdle)
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var totalUsage float64
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if totalDiff > 0 {
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totalUsage = ((totalDiff - idleDiff) / totalDiff) * 100
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}
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// Calculate per-core usage
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var perCore []float64
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for i := range currPerCoreTotals {
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coreTotalDiff := float64(currPerCoreTotals[i] - prevPerCoreTotals[i])
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coreIdleDiff := float64(currPerCoreIdles[i] - prevPerCoreIdles[i])
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if coreTotalDiff > 0 {
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perCoreUsage := ((coreTotalDiff - coreIdleDiff) / coreTotalDiff) * 100
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perCore = append(perCore, perCoreUsage)
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} else {
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perCore = append(perCore, 0)
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}
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}
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// Get CPU info
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cpuInfoBytes, err := os.ReadFile("/proc/cpuinfo")
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if err != nil {
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slog.Warn("Failed to read /proc/cpuinfo", "error", err)
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return CPUUsage{}
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}
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cpuInfo := string(cpuInfoBytes)
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scanner := bufio.NewScanner(strings.NewReader(cpuInfo))
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var vendor, model string
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for scanner.Scan() {
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line := scanner.Text()
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if strings.HasPrefix(line, "vendor_id") {
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vendor = strings.TrimSpace(strings.Split(line, ":")[1])
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} else if strings.HasPrefix(line, "model name") {
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model = strings.TrimSpace(strings.Split(line, ":")[1])
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}
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if vendor != "" && model != "" {
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break
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}
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}
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return CPUUsage{
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Info: CPUInfo{
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Vendor: vendor,
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Model: model,
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},
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Total: totalUsage,
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PerCore: perCore,
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}
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}
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// GetMemoryUsage gathers memory usage from /proc/meminfo
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func GetMemoryUsage() MemoryUsage {
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data, err := os.ReadFile("/proc/meminfo")
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if err != nil {
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panic(err)
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}
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scanner := bufio.NewScanner(bytes.NewReader(data))
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var total, free, available uint64
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for scanner.Scan() {
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line := scanner.Text()
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if strings.HasPrefix(line, "MemTotal:") {
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total = parseMemInfoLine(line)
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} else if strings.HasPrefix(line, "MemFree:") {
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free = parseMemInfoLine(line)
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} else if strings.HasPrefix(line, "MemAvailable:") {
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available = parseMemInfoLine(line)
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}
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}
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used := total - available
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usedPercent := (float64(used) / float64(total)) * 100
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return MemoryUsage{
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Total: total * 1024, // Convert from KB to bytes
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Used: used * 1024,
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Available: available * 1024,
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Free: free * 1024,
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UsedPercent: usedPercent,
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}
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}
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// parseMemInfoLine parses a line from /proc/meminfo
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func parseMemInfoLine(line string) uint64 {
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fields := strings.Fields(line)
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val, _ := strconv.ParseUint(fields[1], 10, 64)
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return val
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}
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// GetFilesystemUsage gathers usage statistics for the specified path
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func GetFilesystemUsage(path string) (FilesystemUsage, error) {
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cmd := exec.Command("df", path)
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output, err := cmd.Output()
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if err != nil {
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return FilesystemUsage{}, err
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}
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lines := strings.Split(string(output), "\n")
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if len(lines) < 2 {
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return FilesystemUsage{}, fmt.Errorf("unexpected `df` output format for path: %s", path)
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}
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fields := strings.Fields(lines[1])
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if len(fields) < 5 {
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return FilesystemUsage{}, fmt.Errorf("insufficient fields in `df` output for path: %s", path)
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}
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total, err := strconv.ParseUint(fields[1], 10, 64)
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if err != nil {
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return FilesystemUsage{}, fmt.Errorf("failed to parse total space: %v", err)
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}
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used, err := strconv.ParseUint(fields[2], 10, 64)
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if err != nil {
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return FilesystemUsage{}, fmt.Errorf("failed to parse used space: %v", err)
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}
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free, err := strconv.ParseUint(fields[3], 10, 64)
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if err != nil {
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return FilesystemUsage{}, fmt.Errorf("failed to parse free space: %v", err)
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}
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usedPercent, err := strconv.ParseFloat(strings.TrimSuffix(fields[4], "%"), 64)
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if err != nil {
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return FilesystemUsage{}, fmt.Errorf("failed to parse used percentage: %v", err)
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}
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return FilesystemUsage{
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Path: path,
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Total: total * 1024,
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Used: used * 1024,
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Free: free * 1024,
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UsedPercent: usedPercent,
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}, nil
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}
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// GetGPUUsage gathers GPU usage for all detected GPUs
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func GetGPUUsage() []GPUUsage {
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var gpus []GPUUsage
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// Detect all GPUs
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pciInfos, err := GetAllGPUInfo()
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if err != nil {
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slog.Warn("Failed to get GPU info", "error", err)
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return nil
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}
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// Monitor each GPU
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for _, gpu := range pciInfos {
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var gpuUsage GPUUsage
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switch gpu.Vendor.ID {
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case VendorIntel:
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gpuUsage = monitorIntelGPU(gpu)
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case VendorNVIDIA:
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gpuUsage = monitorNVIDIAGPU(gpu)
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case VendorAMD:
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// TODO: Implement if needed
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continue
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default:
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continue
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}
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gpus = append(gpus, gpuUsage)
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}
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return gpus
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}
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Block a user