Print version on startup.

Fixes #765

CHANGELOG.md

@@ -33,6 +33,7 @@ IMPROVEMENTS:
  * core: Tokens can now renew themselves [GH-455]
  * core: Base64-encoded PGP keys can be used with the CLI for `init` and
    `rekey` operations [GH-653]
+ * core: Print version on startup [GH-765]
  * credential/token: Display whether or not a token is an orphan in the output
    of a lookup call [GH-766]
  * logical: Allow `.` in path-based variables in many more locations [GH-244]

cli/commands.go

@@ -7,6 +7,7 @@ import (
 
 	auditFile "github.com/hashicorp/vault/builtin/audit/file"
 	auditSyslog "github.com/hashicorp/vault/builtin/audit/syslog"
+	"github.com/hashicorp/vault/version"
 
 	credAppId "github.com/hashicorp/vault/builtin/credential/app-id"
 	credCert "github.com/hashicorp/vault/builtin/credential/cert"
@@ -267,20 +268,11 @@ func Commands(metaPtr *command.Meta) map[string]cli.CommandFactory {
 		},
 
 		"version": func() (cli.Command, error) {
-			ver := Version
-			rel := VersionPrerelease
-			if GitDescribe != "" {
-				ver = GitDescribe
-			}
-			if GitDescribe == "" && rel == "" && VersionPrerelease != "" {
-				rel = "dev"
-			}
+			versionInfo := version.GetVersion()
 
 			return &command.VersionCommand{
-				Revision:          GitCommit,
-				Version:           ver,
-				VersionPrerelease: rel,
-				Ui:                meta.Ui,
+				VersionInfo: versionInfo,
+				Ui:          meta.Ui,
 			}, nil
 		},
 

command/server.go

@@ -25,6 +25,7 @@ import (
 	"github.com/hashicorp/vault/logical"
 	"github.com/hashicorp/vault/physical"
 	"github.com/hashicorp/vault/vault"
+	"github.com/hashicorp/vault/version"
 )
 
 // ServerCommand is a Command that starts the Vault server.
@@ -231,6 +232,9 @@ func (c *ServerCommand) Run(args []string) int {
 		go server.Serve(ln)
 	}
 
+	infoKeys = append(infoKeys, "version")
+	info["version"] = version.GetVersion().String()
+
 	// Server configuration output
 	padding := 18
 	c.Ui.Output("==> Vault server configuration:\n")

command/version.go

@@ -1,37 +1,22 @@
 package command
 
 import (
-	"bytes"
-	"fmt"
-
+	"github.com/hashicorp/vault/version"
 	"github.com/mitchellh/cli"
 )
 
 // VersionCommand is a Command implementation prints the version.
 type VersionCommand struct {
-	Revision          string
-	Version           string
-	VersionPrerelease string
-	Ui                cli.Ui
+	VersionInfo *version.VersionInfo
+	Ui          cli.Ui
 }
 
 func (c *VersionCommand) Help() string {
 	return ""
 }
 
 func (c *VersionCommand) Run(_ []string) int {
-	var versionString bytes.Buffer
-
-	fmt.Fprintf(&versionString, "Vault v%s", c.Version)
-	if c.VersionPrerelease != "" {
-		fmt.Fprintf(&versionString, "-%s", c.VersionPrerelease)
-
-		if c.Revision != "" {
-			fmt.Fprintf(&versionString, " (%s)", c.Revision)
-		}
-	}
-
-	c.Ui.Output(versionString.String())
+	c.Ui.Output(c.VersionInfo.String())
 	return 0
 }
 

scripts/build.sh

@@ -47,7 +47,7 @@ gox \
     -os="!freebsd" \
     -os="!openbsd" \
     -arch="${XC_ARCH}" \
-    -ldflags "-X github.com/hashicorp/vault/cli.GitCommit ${GIT_COMMIT}${GIT_DIRTY}" \
+    -ldflags "-X github.com/hashicorp/vault/version.GitCommit ${GIT_COMMIT}${GIT_DIRTY}" \
     -output "pkg/{{.OS}}_{{.Arch}}/vault" \
     .
 

scripts/windows/build.bat

@@ -67,7 +67,7 @@ echo ==^> Building...
 gox^
  -os="%_XC_OS%"^
  -arch="%_XC_ARCH%"^
- -ldflags "-X github.com/hashicorp/vault/cli.GitCommit %_GIT_COMMIT%%_GIT_DIRTY%"^
+ -ldflags "-X github.com/hashicorp/vault/version.GitCommit %_GIT_COMMIT%%_GIT_DIRTY%"^
  -output "pkg/{{.OS}}_{{.Arch}}/vault"^
  .
 

version/version.go

@@ -0,0 +1,57 @@
+package version
+
+import (
+	"bytes"
+	"fmt"
+)
+
+// The git commit that was compiled. This will be filled in by the compiler.
+var GitCommit string
+var GitDescribe string
+
+// The main version number that is being run at the moment.
+const Version = "0.3.1"
+
+// A pre-release marker for the version. If this is "" (empty string)
+// then it means that it is a final release. Otherwise, this is a pre-release
+// such as "dev" (in development), "beta", "rc1", etc.
+const VersionPrerelease = "dev"
+
+// VersionInfo
+type VersionInfo struct {
+	Revision          string
+	Version           string
+	VersionPrerelease string
+}
+
+func GetVersion() *VersionInfo {
+	ver := Version
+	rel := VersionPrerelease
+	if GitDescribe != "" {
+		ver = GitDescribe
+	}
+	if GitDescribe == "" && rel == "" && VersionPrerelease != "" {
+		rel = "dev"
+	}
+
+	return &VersionInfo{
+		Revision:          GitCommit,
+		Version:           ver,
+		VersionPrerelease: rel,
+	}
+}
+
+func (c *VersionInfo) String() string {
+	var versionString bytes.Buffer
+
+	fmt.Fprintf(&versionString, "Vault v%s", c.Version)
+	if c.VersionPrerelease != "" {
+		fmt.Fprintf(&versionString, "-%s", c.VersionPrerelease)
+
+		if c.Revision != "" {
+			fmt.Fprintf(&versionString, " (%s)", c.Revision)
+		}
+	}
+
+	return versionString.String()
+}