Add Aerospike 5.2 metrics and add version info to exporter binary (#37)

- Add aerospike 5.2 metrics and configs
    - `device_data_bytes`
    - `xdr-bin-tombstone-ttl`
    - `ignore-migrate-fill-delay`
- Add `--version` command line option

Dockerfile

@@ -1,8 +1,10 @@
 FROM golang:alpine AS builder
 
+ARG VERSION=v1.1.4
+
 ADD . $GOPATH/src/github.com/aerospike/aerospike-prometheus-exporter
 WORKDIR $GOPATH/src/github.com/aerospike/aerospike-prometheus-exporter
-RUN go build -o aerospike-prometheus-exporter . \
+RUN go build -ldflags="-X 'main.version=$VERSION'" -o aerospike-prometheus-exporter . \
 	&& cp aerospike-prometheus-exporter /aerospike-prometheus-exporter
 
 FROM alpine:latest

Makefile

@@ -1,11 +1,11 @@
 # Variables required for this Makefile
 ROOT_DIR = $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
-
+VERSION = $(shell git describe --tags --always)
 
 # Builds exporter binary
 .PHONY: exporter
 exporter:
-	go build -o aerospike-prometheus-exporter .
+	go build -ldflags="-X 'main.version=$(VERSION)'" -o aerospike-prometheus-exporter .
 
 # Builds RPM, DEB and TAR packages
 # Requires FPM package manager
@@ -31,4 +31,4 @@ clean:
 # Requires docker
 .PHONY: docker
 docker:
-	docker build . -t aerospike/aerospike-prometheus-exporter:latest
+	docker build --build-arg VERSION=$(VERSION) . -t aerospike/aerospike-prometheus-exporter:latest

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"crypto/tls"
 	"flag"
+	"fmt"
 	"net"
 	"net/http"
 	"os"
@@ -17,11 +18,14 @@ import (
 )
 
 var (
-	configFile = flag.String("config", "/etc/aerospike-prometheus-exporter/ape.toml", "Config File")
-	showUsage  = flag.Bool("u", false, "Show usage information")
+	configFile  = flag.String("config", "/etc/aerospike-prometheus-exporter/ape.toml", "Config File")
+	showUsage   = flag.Bool("u", false, "Show usage information")
+	showVersion = flag.Bool("version", false, "Print version")
 
 	fullHost string
 	config   *Config
+
+	version = "v1.1.4"
 )
 
 func main() {
@@ -31,7 +35,12 @@ func main() {
 		os.Exit(0)
 	}
 
-	log.Infoln("Welcome to Aerospike Prometheus Exporter!")
+	if *showVersion {
+		fmt.Println(version)
+		os.Exit(0)
+	}
+
+	log.Infof("Welcome to Aerospike Prometheus Exporter %s", version)
 
 	config = new(Config)
 	initConfig(*configFile, config)

watcher_namespaces.go

@@ -72,6 +72,8 @@ var namespaceRawMetrics = map[string]metricType{
 	"truncate-threads":                       mtGauge,
 	"xdr-tomb-raider-period":                 mtGauge,
 	"xdr-tomb-raider-threads":                mtGauge,
+	"xdr-bin-tombstone-ttl":                  mtGauge,
+	"ignore-migrate-fill-delay":              mtGauge,
 
 	"clock_skew_stop_writes":                 mtGauge,
 	"dead_partitions":                        mtGauge,

watcher_sets.go

@@ -13,6 +13,7 @@ var setRawMetrics = map[string]metricType{
 	"objects":           mtGauge,
 	"tombstones":        mtGauge,
 	"memory_data_bytes": mtGauge,
+	"device_data_bytes": mtGauge,
 	"truncate_lut":      mtGauge,
 	"stop-writes-count": mtCounter,
 	"disable-eviction":  mtGauge,