Files
nvllama-watchdog/readers/llamacpp.go
2026-10-11 13:29:19 +02:00

67 lines
1.5 KiB
Go

package readers
import (
"context"
"fmt"
"io"
"net/http"
"time"
"git.govekar.net/LovroG05/nvllama-watchdog/core"
"git.govekar.net/LovroG05/nvllama-watchdog/parsers"
)
type LLamaCPPReader struct {
endpoint string
model string
client *http.Client
}
func NewLLamaCPPReader(endpoint, model string) *LLamaCPPReader {
return &LLamaCPPReader{
endpoint: endpoint,
model: model,
client: &http.Client{Timeout: 5 * time.Second},
}
}
func (r *LLamaCPPReader) Name() string { return "llamacpp:" + r.model }
func (r *LLamaCPPReader) Read(ctx context.Context) ([]core.Metric, error) {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, r.endpoint, nil)
if err != nil {
return nil, fmt.Errorf("llamacpp %s: %w", r.model, err)
}
resp, err := r.client.Do(req)
if err != nil {
return nil, fmt.Errorf("llamacpp %s: %w", r.model, err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := io.ReadAll(io.LimitReader(resp.Body, 256))
return nil, fmt.Errorf("llamacpp %s: HTTP %d: %s", r.model, resp.StatusCode, string(body))
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("llamacpp %s: read body: %w", r.model, err)
}
metrics, err := parsers.ParsePrometheusText(string(raw))
if err != nil {
return nil, fmt.Errorf("llamacpp %s: %w", r.model, err)
}
// Tag every metric with the model instance label
for i := range metrics {
if metrics[i].Labels == nil {
metrics[i].Labels = map[string]string{}
}
metrics[i].Labels["model_instance"] = r.model
}
return metrics, nil
}