Some improvements ....

Dockerfile

@@ -0,0 +1,13 @@
+FROM alpine
+
+RUN apk update
+RUN apk add bash go git musl-dev
+RUN mkdir -p /opt/go
+ENV GOPATH=/opt/go
+RUN go get github.com/carlozleite/azure-metrics-exporter 
+ADD entrypoint.sh /entrypoint.sh
+RUN chmod 755 /entrypoint.sh
+RUN mkdir /config
+
+ENTRYPOINT ["/entrypoint.sh"]
+

README.md

@@ -55,3 +55,13 @@ scrape_configs:
     static_configs:
       - targets: ['localhost:9276']
 ```
+
+# Docker Usage
+
+
+```
+docker run -it -e CONFIG_FILE=Compute.yml -v /devops/azure-exporter/config:/config carlozleite/azure-metrics-exporter:latest
+
+```
+
+You can create different services in docker swarm one for each type of resource provider in azure just swap the YML file and then create a Prometheus service and point the targets to the service names on port 9090.

docker-build.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+docker build -t carlozleite/azure-metrics-exporter . --no-cache
+docker push carlozleite/azure-metrics-exporter

entrypoint.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+/opt/go/bin/azure-metrics-exporter --web.listen-address=":9090" --config.file="/config/${CONFIG_FILE}"

main.go

@@ -43,17 +43,28 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) {
 	var metricValueData AzureMetricValiueResponse
 	for _, target := range sc.C.Targets {
 		for _, metric := range target.Metrics {
+			var replacer = strings.NewReplacer("-", "_", " ", "", "/", "")
+			ac.getAccessToken()
 			metricValueData = ac.getMetricValue(metric.Name, target.Resource)
-			metricName := ToSnakeCase(metricValueData.Value[0].Name.Value)
-			metricValue := metricValueData.Value[0].Data[len(metricValueData.Value[0].Data)-1]
-			labels := CreateResourceLabels(metricValueData.Value[0].ID)
-			ch <- prometheus.MustNewConstMetric(
-				prometheus.NewDesc(metricName, "", nil, labels),
-				prometheus.GaugeValue,
-				metricValue.Total,
-			)
-		}
-	}
+			if metricValueData.Value != nil {
+				if len(metricValueData.Value[0].Data) != 0 {
+					metricName := ToSnakeCase(replacer.Replace(metricValueData.Value[0].Name.Value))
+					metricValue := metricValueData.Value[0].Data[len(metricValueData.Value[0].Data)-1]
+					resource_type := strings.Split(metricValueData.Value[0].ID, "/")[6]
+					restype := strings.Split(resource_type, ".")[1]
+					resource_group := strings.Split(metricValueData.Value[0].ID, "/")[4]
+					resource_name := strings.Split(metricValueData.Value[0].ID, "/")[8]
+					ch <- prometheus.MustNewConstMetric(
+						prometheus.NewDesc(restype+"_"+metricName, "", []string{"resource_type", "resource_group", "resource_name"}, nil),
+						prometheus.GaugeValue,
+						metricValue.Total,
+						resource_type,
+						resource_group,
+						resource_name,
+					)
+				}
+			}
+	} }
 }
 
 func handler(w http.ResponseWriter, r *http.Request) {

utils.go

@@ -29,6 +29,7 @@ func GetTimes() (string, string) {
 // CreateResourceLabels - Returns resource labels for a give resource ID.
 func CreateResourceLabels(resourceID string) map[string]string {
 	labels := make(map[string]string)
+	labels["resource_type"] = strings.Split(resourceID, "/")[6]
 	labels["resource_group"] = strings.Split(resourceID, "/")[4]
 	labels["resource_name"] = strings.Split(resourceID, "/")[8]
 	return labels