b83f61f20c
Also add some coordination to ensure we don't try to clean up the grpc server before it's created/started
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package plugin
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import (
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"context"
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"net/rpc"
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"sync/atomic"
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"google.golang.org/grpc"
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hclog "github.com/hashicorp/go-hclog"
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"github.com/hashicorp/go-plugin"
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"github.com/hashicorp/vault/helper/logbridge"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/plugin/pb"
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)
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// BackendPlugin is the plugin.Plugin implementation
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type BackendPlugin struct {
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Factory logical.Factory
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metadataMode bool
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Logger hclog.Logger
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}
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// Server gets called when on plugin.Serve()
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func (b *BackendPlugin) Server(broker *plugin.MuxBroker) (interface{}, error) {
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return &backendPluginServer{factory: b.Factory, broker: broker}, nil
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}
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// Client gets called on plugin.NewClient()
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func (b BackendPlugin) Client(broker *plugin.MuxBroker, c *rpc.Client) (interface{}, error) {
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return &backendPluginClient{client: c, broker: broker, metadataMode: b.metadataMode}, nil
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}
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func (b BackendPlugin) GRPCServer(broker *plugin.GRPCBroker, s *grpc.Server) error {
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pb.RegisterBackendServer(s, &backendGRPCPluginServer{
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broker: broker,
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factory: b.Factory,
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// We pass the logger down into the backend so go-plugin will forward
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// logs for us.
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logger: logbridge.NewLogger(b.Logger).LogxiLogger(),
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})
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return nil
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}
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func (p *BackendPlugin) GRPCClient(ctx context.Context, broker *plugin.GRPCBroker, c *grpc.ClientConn) (interface{}, error) {
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ret := &backendGRPCPluginClient{
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client: pb.NewBackendClient(c),
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clientConn: c,
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broker: broker,
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cleanupCh: make(chan struct{}),
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doneCtx: ctx,
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}
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// Create the value and set the type
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ret.server = new(atomic.Value)
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ret.server.Store((*grpc.Server)(nil))
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return ret, nil
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}
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