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netclass_linux: remove varying labels from the 'up' metric (#1243)

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* netclass_linux: remove varying labels from the 'up' metric

This moves the variable label values such as 'operstate' out of
the 'network_up' metric and into a separate metric called '_info'.
This allows the 'up' metric to remain continous over state changes.
Fixes #1236

Signed-off-by: Paul Gier <pgier@redhat.com>
This commit is contained in:
Paul Gier 2019-02-07 08:59:32 -06:00 • committed by Ben Kochie
commit e0d6d11859
4 changed files with 26 additions and 8 deletions
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18
collector/netclass_linux.go
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@ -22,7 +22,7 @@ import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/procfs/sysfs"
"gopkg.in/alecthomas/kingpin.v2"
kingpin "gopkg.in/alecthomas/kingpin.v2"
)
var (
@ -57,8 +57,8 @@ func (c *netClassCollector) Update(ch chan<- prometheus.Metric) error {
for _, ifaceInfo := range netClass {
upDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, c.subsystem, "up"),
"Valid operstate for device.",
[]string{"device", "address", "broadcast", "duplex", "operstate", "ifalias"},
"Value is 1 if operstate is 'up', 0 otherwise.",
[]string{"device"},
nil,
)
upValue := 0.0
@ -66,7 +66,17 @@ func (c *netClassCollector) Update(ch chan<- prometheus.Metric) error {
upValue = 1.0
}
ch <- prometheus.MustNewConstMetric(upDesc, prometheus.GaugeValue, upValue, ifaceInfo.Name, ifaceInfo.Address, ifaceInfo.Broadcast, ifaceInfo.Duplex, ifaceInfo.OperState, ifaceInfo.IfAlias)
ch <- prometheus.MustNewConstMetric(upDesc, prometheus.GaugeValue, upValue, ifaceInfo.Name)
infoDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, c.subsystem, "info"),
"Non-numeric data from /sys/class/net/<iface>, value is always 1.",
[]string{"device", "address", "broadcast", "duplex", "operstate", "ifalias"},
nil,
)
infoValue := 1.0
ch <- prometheus.MustNewConstMetric(infoDesc, prometheus.GaugeValue, infoValue, ifaceInfo.Name, ifaceInfo.Address, ifaceInfo.Broadcast, ifaceInfo.Duplex, ifaceInfo.OperState, ifaceInfo.IfAlias)
if ifaceInfo.AddrAssignType != nil {
pushMetric(ch, c.subsystem, "address_assign_type", *ifaceInfo.AddrAssignType, ifaceInfo.Name, prometheus.GaugeValue)