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

[arvados.git] / services / crunch-dispatch-local / crunch-dispatch-local.go

diff --git a/services/crunch-dispatch-local/crunch-dispatch-local.go b/services/crunch-dispatch-local/crunch-dispatch-local.go
index 888a2148c1797aa330167d6ca4b44c6a914e5000..c1d6d562a2c963209be94a590fcd14bc8eea272b 100644 (file)
--- a/services/crunch-dispatch-local/crunch-dispatch-local.go
+++ b/services/crunch-dispatch-local/crunch-dispatch-local.go
@@ -9,6 +9,7 @@ package main
 import (
        "context"
        "flag"
+       "fmt"
        "log"
        "os"
        "os/exec"
@@ -20,6 +21,7 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/arvados"
        "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
        "git.curoverse.com/arvados.git/sdk/go/dispatch"
+       arvadosVersion "git.curoverse.com/arvados.git/sdk/go/version"
 )
 
 func main() {
@@ -49,9 +51,22 @@ func doMain() error {
                "/usr/bin/crunch-run",
                "Crunch command to run container")
 
+       getVersion := flags.Bool(
+               "version",
+               false,
+               "Print version information and exit.")
+
        // Parse args; omit the first arg which is the command name
        flags.Parse(os.Args[1:])
 
+       // Print version information if requested
+       if *getVersion {
+               fmt.Printf("Version: %s\n", arvadosVersion.GetVersion())
+               os.Exit(0)
+       }
+
+       log.Printf("crunch-dispatch-local %q started", arvadosVersion.GetVersion())
+
        runningCmds = make(map[string]*exec.Cmd)
 
        arv, err := arvadosclient.MakeArvadosClient()