add created_at and release labels

Author: James

exporter/metrics.go

@@ -37,7 +37,7 @@ func AddMetrics() map[string]*prometheus.Desc {
 	APIMetrics["ReleaseDownloads"] = prometheus.NewDesc(
 		prometheus.BuildFQName("github", "repo", "release_downloads"),
 		"Download count for a given release",
-		[]string{"repo", "user", "name"}, nil,
+		[]string{"repo", "user", "release", "name", "created_at"}, nil,
 	)
 	APIMetrics["Limit"] = prometheus.NewDesc(
 		prometheus.BuildFQName("github", "rate", "limit"),
@@ -71,7 +71,7 @@ func (e *Exporter) processMetrics(data []*Datum, rates *RateLimits, ch chan<- pr
 
 		for _, release := range x.Releases {
 			for _, asset := range release.Assets {
-				ch <- prometheus.MustNewConstMetric(e.APIMetrics["ReleaseDownloads"], prometheus.GaugeValue, float64(asset.Downloads), x.Name, x.Owner.Login, asset.Name)
+				ch <- prometheus.MustNewConstMetric(e.APIMetrics["ReleaseDownloads"], prometheus.GaugeValue, float64(asset.Downloads), x.Name, x.Owner.Login, release.Name, asset.Name, asset.CreatedAt)
 			}
 		}
 	}

exporter/structs.go

@@ -46,9 +46,10 @@ type Release struct {
 }
 
 type Asset struct {
-	Name      string  `json:"name"`
-	Size      int64 `json:"size"`
-	Downloads int32 `json:"download_count"`
+	Name      string `json:"name"`
+	Size      int64  `json:"size"`
+	Downloads int32  `json:"download_count"`
+	CreatedAt string `json:"created_at"`
 }
 
 // RateLimits is used to store rate limit data into a struct