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add infra cache count metric #81

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add infra cache count metric #81

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14 changes: 9 additions & 5 deletions unbound_exporter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import (
"bufio"
"crypto/tls"
"crypto/x509"
"errors"
"flag"
"fmt"
"io"
Expand All @@ -25,11 +26,10 @@ import (
"net/url"
"os"
"regexp"
"sort"
"strconv"
"strings"

"sort"

"github.com/go-kit/log/level"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
Expand Down Expand Up @@ -332,6 +332,12 @@ var (
prometheus.GaugeValue,
[]string{"buffer"},
"^mem\\.http\\.(\\w+)$"),
newUnboundMetric(
"infra_cache_count",
"Total number of infra cache entries",
prometheus.CounterValue,
nil,
"^infra\\.cache\\.count$"),
}
)

Expand Down Expand Up @@ -373,7 +379,6 @@ func CollectFromReader(file io.Reader, ch chan<- prometheus.Metric) error {
for _, metric := range unboundMetrics {
if matches := metric.pattern.FindStringSubmatch(fields[0]); matches != nil {
value, err := strconv.ParseFloat(fields[1], 64)

if err != nil {
return err
}
Expand All @@ -393,7 +398,6 @@ func CollectFromReader(file io.Reader, ch chan<- prometheus.Metric) error {
return err
}
value, err := strconv.ParseUint(fields[1], 10, 64)

if err != nil {
return err
}
Expand Down Expand Up @@ -486,7 +490,7 @@ func NewUnboundExporter(host string, ca string, cert string, key string) (*Unbou
}
roots := x509.NewCertPool()
if !roots.AppendCertsFromPEM(caData) {
return &UnboundExporter{}, fmt.Errorf("Failed to parse CA")
return &UnboundExporter{}, errors.New("Failed to parse CA")
}

/* Client authentication. */
Expand Down
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