misc: move to internal/version, use for all binaries

No libmisc, please.

Signed-off-by: Roman Khimov <roman@nspcc.ru>

Makefile

@@ -22,7 +22,7 @@ $(BINS): $(BINDIR) dep
 	@echo "⇒ Build $@"
 	CGO_ENABLED=0 \
 	go build -v -trimpath \
-	-ldflags "-X main.Version=$(VERSION)" \
+	-ldflags "-X $(REPO)/internal/version.Version=$(VERSION)" \
 	-o $@ ./cmd/$(subst neofs-,,$(notdir $@))
 
 $(BINDIR):

api/metrics/collector.go

@@ -1,7 +1,7 @@
 package metrics
 
 import (
-	"github.com/nspcc-dev/neofs-s3-gw/misc"
+	"github.com/nspcc-dev/neofs-s3-gw/internal/version"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
@@ -60,7 +60,7 @@ func (s *stats) Describe(ch chan<- *prometheus.Desc) {
 
 func (s *stats) Collect(ch chan<- prometheus.Metric) {
 	// Expose current version information
-	versionInfo.WithLabelValues(misc.Version).Set(1.0)
+	versionInfo.WithLabelValues(version.Version).Set(1.0)
 
 	// connect collectors
 	collectHTTPMetrics(ch)

api/response.go

@@ -10,7 +10,7 @@ import (
 	"strconv"
 
 	"github.com/google/uuid"
-	"github.com/nspcc-dev/neofs-s3-gw/misc"
+	"github.com/nspcc-dev/neofs-s3-gw/internal/version"
 )
 
 type (
@@ -153,7 +153,7 @@ func errorResponseHandler(w http.ResponseWriter, r *http.Request) {
 
 // Write http common headers.
 func setCommonHeaders(w http.ResponseWriter) {
-	w.Header().Set(hdrServerInfo, "NeoFS-S3-GW/"+misc.Version)
+	w.Header().Set(hdrServerInfo, version.Server)
 	w.Header().Set(hdrAcceptRanges, "bytes")
 
 	// Remove sensitive information

cmd/authmate/main.go

@@ -15,6 +15,7 @@ import (
 	"github.com/nspcc-dev/cdn-sdk/pool"
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	"github.com/nspcc-dev/neofs-s3-gw/authmate"
+	"github.com/nspcc-dev/neofs-s3-gw/internal/version"
 	"github.com/urfave/cli/v2"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
@@ -30,11 +31,6 @@ const (
 	poolRequestTimeout = 5 * time.Second
 )
 
-var (
-	// Version of the program.
-	Version = "dev"
-)
-
 var (
 	neoFSKeyPathFlag      string
 	peerAddressFlag       string
@@ -89,7 +85,7 @@ func main() {
 	app := &cli.App{
 		Name:     "NeoFS gate authentication manager",
 		Usage:    "Helps manage delegated access via gates to data stored in NeoFS network",
-		Version:  Version,
+		Version:  version.Version,
 		Flags:    appFlags(),
 		Commands: appCommands(),
 	}

cmd/s3-gw/app-settings.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/nspcc-dev/neofs-s3-gw/misc"
+	"github.com/nspcc-dev/neofs-s3-gw/internal/version"
 	"github.com/spf13/pflag"
 	"github.com/spf13/viper"
 	"go.uber.org/zap"
@@ -87,6 +87,12 @@ const ( // Settings.
 	// Command line args.
 	cmdHelp    = "help"
 	cmdVersion = "version"
+
+	// applicationName is gateway name.
+	applicationName = "neofs-s3-gw"
+
+	// envPrefix is environment variables prefix used for configuration.
+	envPrefix = "S3_GW"
 )
 
 type empty int
@@ -145,7 +151,7 @@ func newSettings() *viper.Viper {
 	v := viper.New()
 
 	v.AutomaticEnv()
-	v.SetEnvPrefix(misc.Prefix)
+	v.SetEnvPrefix(envPrefix)
 	v.SetConfigType("yaml")
 	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 
@@ -158,7 +164,7 @@ func newSettings() *viper.Viper {
 	flags.Bool(cfgEnableMetrics, false, "enable prometheus metrics")
 
 	help := flags.BoolP(cmdHelp, "h", false, "show help")
-	version := flags.BoolP(cmdVersion, "v", false, "show version")
+	versionFlag := flags.BoolP(cmdVersion, "v", false, "show version")
 
 	flags.String(cfgNeoFSPrivateKey, "", "set value to hex string, WIF string, or path to NeoFS private key file")
 	flags.String(cfgGateAuthPrivateKey, "", "set path to file with auth (curve25519) private key to use in auth scheme")
@@ -179,8 +185,8 @@ func newSettings() *viper.Viper {
 	domains := flags.StringArrayP(cfgListenDomains, "d", nil, "set domains to be listened")
 
 	// set prefers:
-	v.Set(cfgApplicationName, misc.ApplicationName)
-	v.Set(cfgApplicationVersion, misc.Version)
+	v.Set(cfgApplicationName, applicationName)
+	v.Set(cfgApplicationVersion, version.Version)
 
 	// set defaults:
 
@@ -228,7 +234,7 @@ func newSettings() *viper.Viper {
 
 	switch {
 	case help != nil && *help:
-		fmt.Printf("NeoFS S3 Gateway %s\n", misc.Version)
+		fmt.Printf("NeoFS S3 gateway %s\n", version.Version)
 		flags.PrintDefaults()
 
 		fmt.Println()
@@ -243,19 +249,19 @@ func newSettings() *viper.Viper {
 			}
 
 			k := strings.Replace(keys[i], ".", "_", -1)
-			fmt.Printf("%s_%s = %v\n", misc.Prefix, strings.ToUpper(k), v.Get(keys[i]))
+			fmt.Printf("%s_%s = %v\n", envPrefix, strings.ToUpper(k), v.Get(keys[i]))
 		}
 
 		fmt.Println()
 		fmt.Println("Peers preset:")
 		fmt.Println()
 
-		fmt.Printf("%s_%s_[N]_ADDRESS = string\n", misc.Prefix, strings.ToUpper(cfgPeers))
-		fmt.Printf("%s_%s_[N]_WEIGHT = 0..1 (float)\n", misc.Prefix, strings.ToUpper(cfgPeers))
+		fmt.Printf("%s_%s_[N]_ADDRESS = string\n", envPrefix, strings.ToUpper(cfgPeers))
+		fmt.Printf("%s_%s_[N]_WEIGHT = 0..1 (float)\n", envPrefix, strings.ToUpper(cfgPeers))
 
 		os.Exit(0)
-	case version != nil && *version:
-		fmt.Printf("NeoFS S3 Gateway %s\n", misc.Version)
+	case versionFlag != nil && *versionFlag:
+		fmt.Printf("NeoFS S3 gateway %s\n", version.Version)
 		os.Exit(0)
 	case ttl != nil && ttl.Minutes() < minimumTTLInMinutes:
 		fmt.Printf("connection ttl should not be less than %s", defaultTTL)

internal/version/version.go

@@ -0,0 +1,9 @@
+package version
+
+var (
+	// Version contains application version.
+	Version = "dev"
+
+	// Server contains server identification string.
+	Server = "NeoFS-S3-GW/" + Version
+)

misc/build.go

@@ -1,14 +0,0 @@
-package misc
-
-const (
-	// ApplicationName is gateway name.
-	ApplicationName = "neofs-s3-gw"
-
-	// Prefix is configuration environment variables prefix.
-	Prefix = "S3_GW"
-)
-
-var (
-	// Version contains application version.
-	Version = "dev"
-)