open-vault/builtin/logical/database/dbplugin/server.go
Calvin Leung Huang 385140ee6b
Version protocol switch (#3833)
* Use version to determine plugin protocol to use

* Remove field from ServeOpts

* Fix missing assignment, handle errors

* contraint -> constraint

* Inject the version string from the vault side

* Fix the version check

* Add grpc support check to database plugins

* Default to use grpc unless missing env var or fail on contraint check

* Add GRPCSupport test

* Add greater than test case

* Add go-version dep
2018-01-23 17:29:26 -05:00

40 lines
910 B
Go

package dbplugin
import (
"crypto/tls"
"github.com/hashicorp/go-plugin"
"github.com/hashicorp/vault/helper/pluginutil"
)
// Serve is called from within a plugin and wraps the provided
// Database implementation in a databasePluginRPCServer object and starts a
// RPC server.
func Serve(db Database, tlsProvider func() (*tls.Config, error)) {
plugin.Serve(ServeConfig(db, tlsProvider))
}
func ServeConfig(db Database, tlsProvider func() (*tls.Config, error)) *plugin.ServeConfig {
dbPlugin := &DatabasePlugin{
impl: db,
}
// pluginMap is the map of plugins we can dispense.
var pluginMap = map[string]plugin.Plugin{
"database": dbPlugin,
}
conf := &plugin.ServeConfig{
HandshakeConfig: handshakeConfig,
Plugins: pluginMap,
TLSProvider: tlsProvider,
GRPCServer: plugin.DefaultGRPCServer,
}
if !pluginutil.GRPCSupport() {
conf.GRPCServer = nil
}
return conf
}