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

[arvados.git] / services / keep-web / main.go

diff --git a/services/keep-web/main.go b/services/keep-web/main.go
index f17522cc0205f7ed766e739f7dd788d84513e924..8bd890322e2cae303c508304c33d852038a2557d 100644 (file)
--- a/services/keep-web/main.go
+++ b/services/keep-web/main.go
@@ -1,13 +1,19 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
        "flag"
+       "fmt"
        "log"
        "os"
        "time"
 
        "git.curoverse.com/arvados.git/sdk/go/arvados"
        "git.curoverse.com/arvados.git/sdk/go/config"
+       arvadosVersion "git.curoverse.com/arvados.git/sdk/go/version"
        "github.com/coreos/go-systemd/daemon"
 )
 
@@ -30,6 +36,9 @@ type Config struct {
        // Hack to support old command line flag, which is a bool
        // meaning "get actual token from environment".
        deprecatedAllowAnonymous bool
+
+       //Authorization token to be included in all health check requests.
+       ManagementToken string
 }
 
 // DefaultConfig returns the default configuration.
@@ -38,6 +47,7 @@ func DefaultConfig() *Config {
                Listen: ":80",
                Cache: cache{
                        TTL:                  arvados.Duration(5 * time.Minute),
+                       UUIDTTL:              arvados.Duration(5 * time.Second),
                        MaxCollectionEntries: 1000,
                        MaxCollectionBytes:   100000000,
                        MaxPermissionEntries: 1000,
@@ -72,11 +82,22 @@ func main() {
                "Only serve attachments at the given `host:port`"+deprecated)
        flag.BoolVar(&cfg.TrustAllContent, "trust-all-content", false,
                "Serve non-public content from a single origin. Dangerous: read docs before using!"+deprecated)
+       flag.StringVar(&cfg.ManagementToken, "management-token", "",
+               "Authorization token to be included in all health check requests.")
+
        dumpConfig := flag.Bool("dump-config", false,
                "write current configuration to stdout and exit")
+       getVersion := flag.Bool("version", false,
+               "print version information and exit.")
        flag.Usage = usage
        flag.Parse()
 
+       // Print version information if requested
+       if *getVersion {
+               fmt.Printf("Version: %s\n", arvadosVersion.GetVersion())
+               os.Exit(0)
+       }
+
        if err := config.LoadFile(cfg, configPath); err != nil {
                if h := os.Getenv("ARVADOS_API_HOST"); h != "" && configPath == defaultConfigPath {
                        log.Printf("DEPRECATED: Using ARVADOS_API_HOST environment variable. Use config file instead.")
@@ -94,6 +115,8 @@ func main() {
                log.Fatal(config.DumpAndExit(cfg))
        }
 
+       log.Printf("keep-web %q started", arvadosVersion.GetVersion())
+
        os.Setenv("ARVADOS_API_HOST", cfg.Client.APIHost)
        srv := &server{Config: cfg}
        if err := srv.Start(); err != nil {