/
useragent.go
72 lines (62 loc) · 2.05 KB
/
useragent.go
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package useragent
import (
"fmt"
"runtime"
"strings"
"github.com/hashicorp/vault/sdk/logical"
"github.com/hashicorp/vault/sdk/version"
)
var (
// projectURL is the project URL.
projectURL = "https://www.vaultproject.io/"
// rt is the runtime - variable for tests.
rt = runtime.Version()
// versionFunc is the func that returns the current version. This is a
// function to take into account the different build processes and distinguish
// between enterprise and oss builds.
versionFunc = func() string {
return version.GetVersion().VersionNumber()
}
)
// String returns the consistent user-agent string for Vault.
//
// e.g. Vault/0.10.4 (+https://www.vaultproject.io/; go1.10.1)
//
// Given comments will be appended to the semicolon-delimited comment section.
//
// e.g. Vault/0.10.4 (+https://www.vaultproject.io/; go1.10.1; comment-0; comment-1)
func String(comments ...string) string {
c := append([]string{"+" + projectURL, rt}, comments...)
return fmt.Sprintf("Vault/%s (%s)", versionFunc(), strings.Join(c, "; "))
}
// PluginString is usable by plugins to return a user-agent string reflecting
// the running Vault version and an optional plugin name.
//
// e.g. Vault/0.10.4 (+https://www.vaultproject.io/; azure-auth; go1.10.1)
//
// Given comments will be appended to the semicolon-delimited comment section.
//
// e.g. Vault/0.10.4 (+https://www.vaultproject.io/; azure-auth; go1.10.1; comment-0; comment-1)
//
// Returns an empty string if the given env is nil.
func PluginString(env *logical.PluginEnvironment, pluginName string, comments ...string) string {
if env == nil {
return ""
}
// Construct comments
c := []string{"+" + projectURL}
if pluginName != "" {
c = append(c, pluginName)
}
c = append(c, rt)
c = append(c, comments...)
// Construct version string
v := env.VaultVersion
if env.VaultVersionPrerelease != "" {
v = fmt.Sprintf("%s-%s", v, env.VaultVersionPrerelease)
}
if env.VaultVersionMetadata != "" {
v = fmt.Sprintf("%s+%s", v, env.VaultVersionMetadata)
}
return fmt.Sprintf("Vault/%s (%s)", v, strings.Join(c, "; "))
}