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v1alpha1_meta.go
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v1alpha1_meta.go
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package runtime
import (
"context"
"os"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/aenix-io/talm/internal/app/machined/pkg/runtime"
"github.com/siderolabs/talos/pkg/machinery/api/machine"
)
// MetaWrite implements the machine.MachineServer interface.
func (s *Server) MetaWrite(ctx context.Context, req *machine.MetaWriteRequest) (*machine.MetaWriteResponse, error) {
if err := s.checkSupported(runtime.MetaKV); err != nil {
return nil, err
}
if uint32(uint8(req.Key)) != req.Key {
return nil, status.Errorf(codes.InvalidArgument, "key must be a uint8")
}
ok, err := s.Controller.Runtime().State().Machine().Meta().SetTagBytes(ctx, uint8(req.Key), req.Value)
if err != nil {
return nil, err
}
if !ok {
// META overflowed
return nil, status.Errorf(codes.ResourceExhausted, "meta write failed")
}
err = s.Controller.Runtime().State().Machine().Meta().Flush()
if err != nil && !os.IsNotExist(err) {
// ignore not exist error, as it's possible that the meta partition is not created yet
return nil, err
}
return &machine.MetaWriteResponse{
Messages: []*machine.MetaWrite{
{},
},
}, nil
}
// MetaDelete implements the machine.MachineServer interface.
func (s *Server) MetaDelete(ctx context.Context, req *machine.MetaDeleteRequest) (*machine.MetaDeleteResponse, error) {
if err := s.checkSupported(runtime.MetaKV); err != nil {
return nil, err
}
if uint32(uint8(req.Key)) != req.Key {
return nil, status.Errorf(codes.InvalidArgument, "key must be a uint8")
}
ok, err := s.Controller.Runtime().State().Machine().Meta().DeleteTag(ctx, uint8(req.Key))
if err != nil {
return nil, err
}
if !ok {
// META key not found
return nil, status.Errorf(codes.NotFound, "meta key not found")
}
err = s.Controller.Runtime().State().Machine().Meta().Flush()
if err != nil && !os.IsNotExist(err) {
// ignore not exist error, as it's possible that the meta partition is not created yet
return nil, err
}
return &machine.MetaDeleteResponse{
Messages: []*machine.MetaDelete{
{},
},
}, nil
}