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Escape all illegal chars in metric names.

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E.g. right now there are some metrics with dashes in their names, which cannot
be queried through the UI.
This commit is contained in:
Julius Volz 2013-08-15 13:20:06 +02:00
parent 9ea37d8b44
commit 4fcd1a9b38
1 changed files with 4 additions and 2 deletions
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6
exporter/gmond_collector.go
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@ -8,7 +8,7 @@ import (
"github.com/prometheus/node_exporter/exporter/ganglia"
"io"
"net"
"strings"
"regexp"
"time"
)
@ -25,6 +25,8 @@ type gmondCollector struct {
registry prometheus.Registry
}
var illegalCharsRE = regexp.MustCompile(`[^a-zA-Z0-9_]`)
// Takes a config struct and prometheus registry and returns a new Collector scraping ganglia.
func NewGmondCollector(config config, registry prometheus.Registry) (collector gmondCollector, err error) {
collector = gmondCollector{
@ -84,7 +86,7 @@ func (c *gmondCollector) Update() (updates int, err error) {
for _, host := range cluster.Hosts {
for _, metric := range host.Metrics {
name := strings.Replace(strings.ToLower(metric.Name), ".", "_", -1)
name := illegalCharsRE.ReplaceAllString(metric.Name, "_")
var labels = map[string]string{
"cluster": cluster.Name,