frostfs-node/pkg/services/control/ir/server/calls.go
Alejandro Lopez 90799497d3 [] Add remove-node IR control command
Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>
2023-05-10 14:31:44 +00:00

101 lines
2.9 KiB
Go

package control
import (
"bytes"
"context"
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/netmap"
control "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/control/ir"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// HealthCheck returns health status of the local IR node.
//
// If request is not signed with a key from white list, permission error returns.
func (s *Server) HealthCheck(_ context.Context, req *control.HealthCheckRequest) (*control.HealthCheckResponse, error) {
if err := s.isValidRequest(req); err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
resp := new(control.HealthCheckResponse)
body := new(control.HealthCheckResponse_Body)
resp.SetBody(body)
body.SetHealthStatus(s.prm.healthChecker.HealthStatus())
if err := SignMessage(&s.prm.key.PrivateKey, resp); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}
// TickEpoch forces a new epoch.
//
// If request is not signed with a key from white list, permission error returns.
func (s *Server) TickEpoch(_ context.Context, req *control.TickEpochRequest) (*control.TickEpochResponse, error) {
if err := s.isValidRequest(req); err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
resp := new(control.TickEpochResponse)
resp.SetBody(new(control.TickEpochResponse_Body))
epoch, err := s.netmapClient.Epoch()
if err != nil {
return nil, fmt.Errorf("getting current epoch: %w", err)
}
if err := s.netmapClient.NewEpoch(epoch+1, true); err != nil {
return nil, fmt.Errorf("forcing new epoch: %w", err)
}
if err := SignMessage(&s.prm.key.PrivateKey, resp); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}
// RemoveNode forces a node removal.
//
// If request is not signed with a key from white list, permission error returns.
func (s *Server) RemoveNode(_ context.Context, req *control.RemoveNodeRequest) (*control.RemoveNodeResponse, error) {
if err := s.isValidRequest(req); err != nil {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
resp := new(control.RemoveNodeResponse)
resp.SetBody(new(control.RemoveNodeResponse_Body))
nm, err := s.netmapClient.NetMap()
if err != nil {
return nil, fmt.Errorf("getting netmap: %w", err)
}
var nodeInfo netmap.NodeInfo
for _, info := range nm.Nodes() {
if bytes.Equal(info.PublicKey(), req.GetBody().GetKey()) {
nodeInfo = info
break
}
}
if len(nodeInfo.PublicKey()) == 0 {
return nil, status.Error(codes.NotFound, "no such node")
}
if nodeInfo.IsOffline() {
return nil, status.Error(codes.FailedPrecondition, "node is already offline")
}
if err := s.netmapClient.ForceRemovePeer(nodeInfo); err != nil {
return nil, fmt.Errorf("forcing node removal: %w", err)
}
if err := SignMessage(&s.prm.key.PrivateKey, resp); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return resp, nil
}