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Collect at every scrape, rather than at regular intervals.

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Switch to Update using the Collecter Collect interface, due to not knowing all
metricnames in all modules beforehand we can't use Describe and thus the full
Collecter interface.

Remove 'updates', it's meaning varies by module and doesn't add much.
This commit is contained in:
Brian Brazil 2014-10-29 14:16:43 +00:00
commit 1c17481a42
17 changed files with 193 additions and 286 deletions
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12
collector/attributes.go
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@ -29,7 +29,7 @@ func NewAttributesCollector(config Config) (Collector, error) {
for l := range c.config.Attributes {
labelNames = append(labelNames, l)
}
gv := prometheus.NewGaugeVec(
attributes = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: Namespace,
Name: "attributes",
@ -37,17 +37,13 @@ func NewAttributesCollector(config Config) (Collector, error) {
},
labelNames,
)
collector, err := prometheus.RegisterOrGet(gv)
if err != nil {
return nil, err
}
attributes = collector.(*prometheus.GaugeVec)
return &c, nil
}
func (c *attributesCollector) Update() (updates int, err error) {
func (c *attributesCollector) Update(ch chan<- prometheus.Metric) (err error) {
glog.V(1).Info("Set node_attributes{%v}: 1", c.config.Attributes)
attributes.Reset()
attributes.With(c.config.Attributes).Set(1)
return updates, err
attributes.Collect(ch)
return err
}