feat(server): UDP listener, hub WebSocket, Gauges Prometheus

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-22 12:08:11 +02:00
parent bceee08ce4
commit f5219f3c68
6 changed files with 283 additions and 0 deletions
@@ -0,0 +1,71 @@
+package prometheus
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/user/nanometrics/server/models"
+)
+
+var (
+	agentCPU = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_cpu_percent",
+		Help: "Pourcentage CPU de l'agent",
+	}, []string{"agent"})
+
+	agentMemUsed = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_memory_used_bytes",
+		Help: "RAM utilisée en octets",
+	}, []string{"agent"})
+
+	agentMemTotal = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_memory_total_bytes",
+		Help: "RAM totale en octets",
+	}, []string{"agent"})
+
+	agentDiskUsed = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_disk_used_bytes",
+		Help: "Disque utilisé en octets",
+	}, []string{"agent"})
+
+	agentDiskTotal = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_disk_total_bytes",
+		Help: "Disque total en octets",
+	}, []string{"agent"})
+
+	agentUptime = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_uptime_seconds",
+		Help: "Uptime de l'agent en secondes",
+	}, []string{"agent"})
+
+	agentStatus = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "nanometrics_agent_online",
+		Help: "1 si l'agent est en ligne, 0 sinon",
+	}, []string{"agent"})
+)
+
+func Update(m *models.AgentMetrics) {
+	l := prometheus.Labels{"agent": m.Hostname}
+	if m.CPUPercent != nil {
+		agentCPU.With(l).Set(*m.CPUPercent)
+	}
+	if m.MemoryUsed != nil {
+		agentMemUsed.With(l).Set(float64(*m.MemoryUsed))
+	}
+	if m.MemoryTotal != nil {
+		agentMemTotal.With(l).Set(float64(*m.MemoryTotal))
+	}
+	if m.HDDUsed != nil {
+		agentDiskUsed.With(l).Set(float64(*m.HDDUsed))
+	}
+	if m.HDDTotal != nil {
+		agentDiskTotal.With(l).Set(float64(*m.HDDTotal))
+	}
+	if m.Uptime != nil {
+		agentUptime.With(l).Set(float64(*m.Uptime))
+	}
+	online := 0.0
+	if m.Status == "online" {
+		online = 1.0
+	}
+	agentStatus.With(l).Set(online)
+}