vault/sdk/database/dbplugin/v5/plugin_client_oss.go
Thy Ton 193796bfc9
refactor database plugin SDK (#29479)
* prepare for enterprise database plugin SDK development
2025-02-03 09:50:33 -07:00

51 lines
1.3 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
//go:build !enterprise
package dbplugin
import (
"context"
"errors"
"github.com/hashicorp/vault/sdk/database/dbplugin/v5/proto"
"github.com/hashicorp/vault/sdk/helper/pluginutil"
"github.com/hashicorp/vault/sdk/logical"
)
// NewPluginClient returns a databaseRPCClient with a connection to a running
// plugin.
func NewPluginClient(ctx context.Context, sys pluginutil.RunnerUtil, config pluginutil.PluginClientConfig) (Database, error) {
pluginClient, err := sys.NewPluginClient(ctx, config)
if err != nil {
return nil, err
}
// Request the plugin
raw, err := pluginClient.Dispense("database")
if err != nil {
return nil, err
}
// We should have a database type now. This feels like a normal interface
// implementation but is in fact over an RPC connection.
var db Database
switch c := raw.(type) {
case gRPCClient:
// This is an abstraction leak from go-plugin but it is necessary in
// order to enable multiplexing on multiplexed plugins
c.client = proto.NewDatabaseClient(pluginClient.Conn())
c.versionClient = logical.NewPluginVersionClient(pluginClient.Conn())
db = c
default:
return nil, errors.New("unsupported client type")
}
return &DatabasePluginClient{
client: pluginClient,
Database: db,
}, nil
}