mirror of
https://github.com/mudler/LocalAI.git
synced 2026-09-29 17:44:30 -04:00
Ettore Di Giacinto
8a0bf410ee
Warm local targets are pinned in the watchdog and preloaded. Switches and target health are exported as metrics, skipped attempts as traces. Assisted-by: Claude:claude-opus-5-5
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package failover
|
|
|
|
import (
|
|
"context"
|
|
"sync"
|
|
|
|
"go.opentelemetry.io/otel"
|
|
"go.opentelemetry.io/otel/attribute"
|
|
"go.opentelemetry.io/otel/metric"
|
|
)
|
|
|
|
var (
|
|
metricsOnce sync.Once
|
|
switches metric.Int64Counter
|
|
)
|
|
|
|
func initMetrics() {
|
|
metricsOnce.Do(func() {
|
|
meter := otel.Meter("github.com/mudler/LocalAI")
|
|
switches, _ = meter.Int64Counter("localai_failover_switches_total",
|
|
metric.WithDescription("Failover chain switches between targets"))
|
|
})
|
|
}
|
|
|
|
func recordSwitch(ev Event) {
|
|
initMetrics()
|
|
if switches == nil {
|
|
return
|
|
}
|
|
switches.Add(context.Background(), 1, metric.WithAttributes(
|
|
attribute.String("chain", ev.Chain),
|
|
attribute.String("from", ev.From),
|
|
attribute.String("to", ev.To),
|
|
attribute.String("reason", string(ev.Reason)),
|
|
))
|
|
}
|
|
|
|
// RegisterMetrics exports target health as a gauge. The application calls it
|
|
// once for its manager; tests create many managers and skip it.
|
|
func RegisterMetrics(m *Manager) {
|
|
meter := otel.Meter("github.com/mudler/LocalAI")
|
|
_, _ = meter.Int64ObservableGauge("localai_failover_target_up",
|
|
metric.WithDescription("1 when a failover target is healthy, 0 otherwise"),
|
|
metric.WithInt64Callback(func(_ context.Context, o metric.Int64Observer) error {
|
|
for name, state := range m.targetStates() {
|
|
v := int64(0)
|
|
if state == StateHealthy {
|
|
v = 1
|
|
}
|
|
o.Observe(v, metric.WithAttributes(attribute.String("target", name)))
|
|
}
|
|
return nil
|
|
}))
|
|
}
|