Update interface name from Wrapper to a more descriptive RunnerUtil

builtin/logical/database/dbplugin/client.go

@@ -29,7 +29,7 @@ func (dc *DatabasePluginClient) Close() error {
 // newPluginClient returns a databaseRPCClient with a connection to a running
 // plugin. The client is wrapped in a DatabasePluginClient object to ensure the
 // plugin is killed on call of Close().
-func newPluginClient(sys pluginutil.Wrapper, pluginRunner *pluginutil.PluginRunner) (Database, error) {
+func newPluginClient(sys pluginutil.RunnerUtil, pluginRunner *pluginutil.PluginRunner) (Database, error) {
 	// pluginMap is the map of plugins we can dispense.
 	var pluginMap = map[string]plugin.Plugin{
 		"database": new(DatabasePlugin),

builtin/logical/database/dbplugin/plugin.go

@@ -31,7 +31,7 @@ type Statements struct {
 
 // PluginFactory is used to build plugin database types. It wraps the database
 // object in a logging and metrics middleware.
-func PluginFactory(pluginName string, sys pluginutil.LookWrapper, logger log.Logger) (Database, error) {
+func PluginFactory(pluginName string, sys pluginutil.LookRunnerUtil, logger log.Logger) (Database, error) {
 	// Look for plugin in the plugin catalog
 	pluginRunner, err := sys.LookupPlugin(pluginName)
 	if err != nil {

helper/pluginutil/runner.go

@@ -19,15 +19,15 @@ type Looker interface {
 // Wrapper interface defines the functions needed by the runner to wrap the
 // metadata needed to run a plugin process. This includes looking up Mlock
 // configuration and wrapping data in a respose wrapped token.
-type Wrapper interface {
+type RunnerUtil interface {
 	ResponseWrapData(data map[string]interface{}, ttl time.Duration, jwt bool) (*wrapping.ResponseWrapInfo, error)
 	MlockEnabled() bool
 }
 
 // LookWrapper defines the functions for both Looker and Wrapper
-type LookWrapper interface {
+type LookRunnerUtil interface {
 	Looker
-	Wrapper
+	RunnerUtil
 }
 
 // PluginRunner defines the metadata needed to run a plugin securely with
@@ -43,7 +43,7 @@ type PluginRunner struct {
 
 // Run takes a wrapper instance, and the go-plugin paramaters and executes a
 // plugin.
-func (r *PluginRunner) Run(wrapper Wrapper, pluginMap map[string]plugin.Plugin, hs plugin.HandshakeConfig, env []string) (*plugin.Client, error) {
+func (r *PluginRunner) Run(wrapper RunnerUtil, pluginMap map[string]plugin.Plugin, hs plugin.HandshakeConfig, env []string) (*plugin.Client, error) {
 	// Get a CA TLS Certificate
 	certBytes, key, err := GenerateCert()
 	if err != nil {

helper/pluginutil/tls.go

@@ -97,7 +97,7 @@ func CreateClientTLSConfig(certBytes []byte, key *ecdsa.PrivateKey) (*tls.Config
 
 // WrapServerConfig is used to create a server certificate and private key, then
 // wrap them in an unwrap token for later retrieval by the plugin.
-func WrapServerConfig(sys Wrapper, certBytes []byte, key *ecdsa.PrivateKey) (string, error) {
+func WrapServerConfig(sys RunnerUtil, certBytes []byte, key *ecdsa.PrivateKey) (string, error) {
 	rawKey, err := x509.MarshalECPrivateKey(key)
 	if err != nil {
 		return "", err