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introduce metric naming test (#3789)

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* introduce metric naming test

Signed-off-by: zounengren <zounengren@cmss.chinamobile.com>

* Update metrics.go

Signed-off-by: zounengren <zounengren@cmss.chinamobile.com>
This commit is contained in:
Zou Nengren
2020-03-31 14:07:36 +08:00
committed by GitHub
parent 10d176b811
commit 87214a4c5c
18 changed files with 297 additions and 97 deletions
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2
plugin/hosts/README.md
View File

@@ -76,7 +76,7 @@ hosts [FILE [ZONES...]] {
If monitoring is enabled (via the *prometheus* plugin) then the following metrics are exported:
- `coredns_hosts_entries_count{}` - The combined number of entries in hosts and Corefile.
- `coredns_hosts_entries{}` - The combined number of entries in hosts and Corefile.
- `coredns_hosts_reload_timestamp_seconds{}` - The timestamp of the last reload of hosts file.
## Examples

18
plugin/hosts/hostsfile.go
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@@ -17,8 +17,6 @@ import (
"time"
"github.com/coredns/coredns/plugin"
"github.com/prometheus/client_golang/prometheus"
)
// parseIP calls discards any v6 zone info, before calling net.ParseIP.
@@ -256,19 +254,3 @@ func (h *Hostsfile) LookupStaticAddr(addr string) []string {
copy(hostsCp[len(hosts1):], hosts2)
return hostsCp
}
var (
hostsEntries = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Subsystem: "hosts",
Name: "entries_count",
Help: "The combined number of entries in hosts and Corefile.",
}, []string{})
hostsReloadTime = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Subsystem: "hosts",
Name: "reload_timestamp_seconds",
Help: "The timestamp of the last reload of hosts file.",
})
)

24
plugin/hosts/metrics.go Normal file
View File

@@ -0,0 +1,24 @@
package hosts
import (
"github.com/coredns/coredns/plugin"
"github.com/prometheus/client_golang/prometheus"
)
var (
// hostsEntries is the combined number of entries in hosts and Corefile.
hostsEntries = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Subsystem: "hosts",
Name: "entries",
Help: "The combined number of entries in hosts and Corefile.",
}, []string{})
// hostsReloadTime is the timestamp of the last reload of hosts file.
hostsReloadTime = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Subsystem: "hosts",
Name: "reload_timestamp_seconds",
Help: "The timestamp of the last reload of hosts file.",
})
)