Move exporter to main and listen/interval to flags

collector/ganglia/format.go

@@ -0,0 +1,61 @@
+// Types for unmarshalling gmond's XML output.
+//
+// Not used elements in gmond's XML output are commented.
+// In case you want to use them, please change the names so that one
+// can understand without needing to know what the acronym stands for.
+package ganglia
+
+import "encoding/xml"
+
+type ExtraElement struct {
+	Name string `xml:"NAME,attr"`
+	Val  string `xml:"VAL,attr"`
+}
+
+type ExtraData struct {
+	ExtraElements []ExtraElement `xml:"EXTRA_ELEMENT"`
+}
+
+type Metric struct {
+	Name  string  `xml:"NAME,attr"`
+	Value float64 `xml:"VAL,attr"`
+	/*
+		Unit      string    `xml:"UNITS,attr"`
+		Slope     string    `xml:"SLOPE,attr"`
+		Tn        int       `xml:"TN,attr"`
+		Tmax      int       `xml:"TMAX,attr"`
+		Dmax      int       `xml:"DMAX,attr"`
+	*/
+	ExtraData ExtraData `xml:"EXTRA_DATA"`
+}
+
+type Host struct {
+	Name string `xml:"NAME,attr"`
+	/*
+		Ip           string `xml:"IP,attr"`
+		Tags         string `xml:"TAGS,attr"`
+		Reported     int    `xml:"REPORTED,attr"`
+		Tn           int    `xml:"TN,attr"`
+		Tmax         int    `xml:"TMAX,attr"`
+		Dmax         int    `xml:"DMAX,attr"`
+		Location     string `xml:"LOCATION,attr"`
+		GmondStarted int    `xml:"GMOND_STARTED",attr"`
+	*/
+	Metrics []Metric `xml:"METRIC"`
+}
+
+type Cluster struct {
+	Name string `xml:"NAME,attr"`
+	/*
+		Owner     string `xml:"OWNER,attr"`
+		LatLong   string `xml:"LATLONG,attr"`
+		Url       string `xml:"URL,attr"`
+		Localtime int    `xml:"LOCALTIME,attr"`
+	*/
+	Hosts []Host `xml:"HOST"`
+}
+
+type Ganglia struct {
+	XMLNAME  xml.Name  `xml:"GANGLIA_XML"`
+	Clusters []Cluster `xml:"CLUSTER"`
+}