feature: add ovirtstat_version tag to internal_ovirtstat metrics

METRICS.md

@@ -93,7 +93,9 @@
 	- status_code (int) 0-up, 1-paused, 2..9-misc, 10-unknown, 11-unassigned, 12-notresponding, 13-down
 - internal_ovirtstat
   - tags:
+    - alias
     - ovirt-engine
+    - ovirtstat_version
   - fields:
     - sessions_created (int)
     - gather_time_ns (int)

README.md

@@ -102,7 +102,7 @@ ovirtstat_storagedomain,id=072cba31-08f3-4a40-9f24-a5ca22ed1d74,name=ovirt-image
 ovirtstat_storagedomain,id=ec413fb2-c6ce-4bea-a790-2533b728ac93,name=mysd01,ovirt-engine=myovirt,storage_type=fcp,type=data available=3233036632064i,connections=7,committed=16603269824512i,external_status="ok",external_status_code=0,logical_units=1i,master=true,status="",status_code=3i,used=7761005903872i 1677832224000000000
 ovirtstat_glustervolume,clustername=mycluster,dcname=mydc,id=a1d52f5d-6vc3-42a8-a52f-21fe7dde25c2,name=mygv1,ovirt-engine=myovirt,type=stripe briks=1i,disperse_count=0i,redundancy_count=0i,replica_count=0i,status="up",status_code=0i,stripe_count=1i 1677832224000000000
 virtstat_vm,clustername=mycluster,dcname=mydc,hostname=myhyp01,id=125555e7-fa2c-4d95-a5c4-51f1b9a7f563,name=myvm01,ovirt-engine=myovirt,type=server cpu_cores=1i,cpu_threads=2i,run_once=false,status="up",cpu_sockets=2i,memory_size=40802189312i,stateless=false,status_code=0i 1677832224000000000
-internal_ovirtstat,ovirt-engine=myovirt sessions_created=1i,gather_time_ns=803780400i 1677832224000000000
+internal_ovirtstat,ovirt-engine=myovirt,ovirtstat_version=0.1.0 sessions_created=1i,gather_time_ns=803780400i 1677832224000000000
 ```
 
 # Metrics

cmd/main.go

@@ -41,6 +41,7 @@ func main() {
 		os.Exit(0)
 	}
 	oV := ovirtstat.New()
+	oV.SetVersion(Version)
 
 	// load config an wait for stdin signal from telegraf to gather data
 	if *configFile != "" {

plugins/inputs/ovirtstat/ovirtstat.go

@@ -42,6 +42,7 @@ type Config struct {
 	collectors        map[string]bool
 	filterCollectors  filter.Filter
 
+	version      string
 	pollInterval time.Duration
 	ovc          *ovirtcollector.OVirtCollector
 
@@ -160,8 +161,9 @@ func (c *Config) Start() error {
 
 	// selfmonitoring
 	tags = map[string]string{
-		"alias":        c.InternalAlias,
-		"ovirt-engine": u.Hostname(),
+		"alias":             c.InternalAlias,
+		"ovirt-engine":      u.Hostname(),
+		"ovirtstat_version": c.version,
 	}
 	t = metric.TimeWithPrecision(time.Now(), intervalPrecision(c.pollInterval))
 	c.selfMon = metric.New("internal_ovirtstat", tags, nil, t)
@@ -184,6 +186,11 @@ func (c *Config) SetPollInterval(pollInterval time.Duration) error {
 	return nil
 }
 
+// SetVersion lets shim know this version
+func (c *Config) SetVersion(version string) {
+	c.version = version
+}
+
 // SampleConfig returns a set of default configuration to be used as a boilerplate when setting up
 // Telegraf.
 func (c *Config) SampleConfig() string {