diff --git a/collector/collector.go b/collector/collector.go
index f79c280..b6ae740 100644
--- a/collector/collector.go
+++ b/collector/collector.go
@@ -3,7 +3,7 @@ package collector
import (
"bufio"
"encoding/json"
- "errors"
+ "fmt"
"log"
"os"
"strconv"
@@ -20,7 +20,7 @@ import (
// Signals.
const (
SIGRTMIN = syscall.Signal(32)
- SIGJSON = syscall.Signal(SIGRTMIN + 4)
+ SIGJSON = SIGRTMIN + 4
)
// States.
@@ -210,14 +210,14 @@ func (k *KACollector) Collect(ch chan<- prometheus.Metric) {
svcs, err := k.handle.GetServices()
if err != nil {
ch <- prometheus.MustNewConstMetric(k.metrics["keepalived_up"], prometheus.GaugeValue, 0)
- log.Printf("keepalived_exporter: %v", err)
+ log.Printf("keepalived_exporter: services: %v", err)
return
}
for _, s := range svcs {
dsts, err := k.handle.GetDestinations(s)
if err != nil {
- log.Printf("keepalived_exporter: %v", err)
+ log.Printf("keepalived_exporter: destinations: %v", err)
continue
}
@@ -273,17 +273,17 @@ func (k *KACollector) signal(sig syscall.Signal) error {
}
if pid == 0 {
- return errors.New("cannot find pid")
+ return fmt.Errorf("cannot find pid")
}
proc, err := os.FindProcess(int(pid))
if err != nil {
- return err
+ return fmt.Errorf("process %v: %v", pid, err)
}
err = proc.Signal(sig)
if err != nil {
- return err
+ return fmt.Errorf("signal %v: %v", sig, err)
}
time.Sleep(100 * time.Millisecond)
diff --git a/main.go b/main.go
index 1113f97..a7732d2 100644
--- a/main.go
+++ b/main.go
@@ -39,7 +39,7 @@ func main() {
http.Handle(*metricsPath, promhttp.HandlerFor(registry, promhttp.HandlerOpts{}))
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
- w.Write([]byte(`
+ _, _ = w.Write([]byte(`
Keepalived Exporter
Keepalived Exporter