10666: Added version number to go sdk and go tools & services

[arvados.git] / services / keepproxy / keepproxy.go

diff --git a/services/keepproxy/keepproxy.go b/services/keepproxy/keepproxy.go
index 3d1b4476255d0cadf2274ad12b9aae78f164f72f..ec074cff3f4a772a39e7a345d3e4307be5a04c7f 100644 (file)
--- a/services/keepproxy/keepproxy.go
+++ b/services/keepproxy/keepproxy.go
@@ -26,6 +26,7 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/config"
        "git.curoverse.com/arvados.git/sdk/go/health"
        "git.curoverse.com/arvados.git/sdk/go/keepclient"
+       arvadosVersion "git.curoverse.com/arvados.git/sdk/go/version"
        "github.com/coreos/go-systemd/daemon"
        "github.com/ghodss/yaml"
        "github.com/gorilla/mux"
@@ -74,8 +75,15 @@ func main() {
        const defaultCfgPath = "/etc/arvados/keepproxy/keepproxy.yml"
        flagset.StringVar(&cfgPath, "config", defaultCfgPath, "Configuration file `path`")
        dumpConfig := flagset.Bool("dump-config", false, "write current configuration to stdout and exit")
+       getVersion := flagset.Bool("version", false, "Print version information and exit.")
        flagset.Parse(os.Args[1:])
 
+       // Print version information if requested
+       if *getVersion {
+               fmt.Printf("Version: %s\n", arvadosVersion.GetVersion())
+               os.Exit(0)
+       }
+
        err := config.LoadFile(cfg, cfgPath)
        if err != nil {
                h := os.Getenv("ARVADOS_API_HOST")
@@ -99,6 +107,8 @@ func main() {
                log.Fatal(config.DumpAndExit(cfg))
        }
 
+       log.Printf("keepproxy %q started", arvadosVersion.GetVersion())
+
        arv, err := arvadosclient.New(&cfg.Client)
        if err != nil {
                log.Fatalf("Error setting up arvados client %s", err.Error())