X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/0eb72b526bf8bbb011551ecf019f604e17a534f1..5012102bb1854af9ae591c755feb2ea9c874b708:/services/keep-balance/main.go

diff --git a/services/keep-balance/main.go b/services/keep-balance/main.go
index 8a938ccf53..947033564d 100644
--- a/services/keep-balance/main.go
+++ b/services/keep-balance/main.go
@@ -7,6 +7,7 @@ package main
 import (
 	"encoding/json"
 	"flag"
+	"fmt"
 	"log"
 	"os"
 	"os/signal"
@@ -17,6 +18,8 @@ import (
 	"git.curoverse.com/arvados.git/sdk/go/config"
 )
 
+var version = "dev"
+
 const defaultConfigPath = "/etc/arvados/keep-balance/keep-balance.yml"
 
 // Config specifies site configuration, like API credentials and the
@@ -85,9 +88,16 @@ func main() {
 	dumpConfig := flag.Bool("dump-config", false, "write current configuration to stdout and exit")
 	dumpFlag := flag.Bool("dump", false, "dump details for each block to stdout")
 	debugFlag := flag.Bool("debug", false, "enable debug messages")
+	getVersion := flag.Bool("version", false, "Print version information and exit.")
 	flag.Usage = usage
 	flag.Parse()
 
+	// Print version information if requested
+	if *getVersion {
+		fmt.Printf("keep-balance %s\n", version)
+		return
+	}
+
 	mustReadConfig(&cfg, *configPath)
 	if *serviceListPath != "" {
 		mustReadConfig(&cfg.KeepServiceList, *serviceListPath)
@@ -97,6 +107,8 @@ func main() {
 		log.Fatal(config.DumpAndExit(cfg))
 	}
 
+	log.Printf("keep-balance %s started", version)
+
 	if *debugFlag {
 		debugf = log.Printf
 		if j, err := json.Marshal(cfg); err != nil {