coder/agent/metrics.go

53 lines
1.3 KiB
Go

package agent
import (
"fmt"
"strings"
"tailscale.com/util/clientmetric"
"github.com/coder/coder/codersdk/agentsdk"
)
func collectMetrics() []agentsdk.AgentMetric {
// Tailscale metrics
metrics := clientmetric.Metrics()
collected := make([]agentsdk.AgentMetric, 0, len(metrics))
for _, m := range metrics {
if isIgnoredMetric(m.Name()) {
continue
}
collected = append(collected, agentsdk.AgentMetric{
Name: m.Name(),
Type: asMetricType(m.Type()),
Value: float64(m.Value()),
})
}
return collected
}
// isIgnoredMetric checks if the metric should be ignored, as Coder agent doesn't use related features.
// Expected metric families: magicsock_*, derp_*, tstun_*, netcheck_*, portmap_*, etc.
func isIgnoredMetric(metricName string) bool {
if strings.HasPrefix(metricName, "dns_") ||
strings.HasPrefix(metricName, "controlclient_") ||
strings.HasPrefix(metricName, "peerapi_") ||
strings.HasPrefix(metricName, "profiles_") ||
strings.HasPrefix(metricName, "tstun_") {
return true
}
return false
}
func asMetricType(typ clientmetric.Type) agentsdk.AgentMetricType {
switch typ {
case clientmetric.TypeGauge:
return agentsdk.AgentMetricTypeGauge
case clientmetric.TypeCounter:
return agentsdk.AgentMetricTypeCounter
default:
panic(fmt.Sprintf("unknown metric type: %d", typ))
}
}