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control.go
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control.go
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package machines
import (
"context"
"io/ioutil"
"os"
"time"
pb "github.com/0xef53/kvmrun/api/services/machines/v1"
"github.com/0xef53/kvmrun/kvmrun"
empty "github.com/golang/protobuf/ptypes/empty"
log "github.com/sirupsen/logrus"
)
func (s *ServiceServer) Start(ctx context.Context, req *pb.StartMachineRequest) (*empty.Empty, error) {
if _, err := kvmrun.GetInstanceConf(req.Name); err != nil {
return nil, err
}
err := s.RunFuncTask(ctx, req.Name+"::", func(l *log.Entry) error {
os.Remove(s.MachineDownFile(req.Name))
if req.WaitInterval > 0 {
return s.SystemCtl.StartAndTest(s.MachineToUnit(req.Name), time.Duration(req.WaitInterval)*time.Second, nil)
}
return s.SystemCtl.Start(s.MachineToUnit(req.Name), nil)
})
return new(empty.Empty), err
}
func (s *ServiceServer) Stop(ctx context.Context, req *pb.StopMachineRequest) (*empty.Empty, error) {
if _, err := kvmrun.GetInstanceConf(req.Name); err != nil {
return nil, err
}
err := s.RunFuncTask(ctx, req.Name+"::", func(l *log.Entry) error {
if err := ioutil.WriteFile(s.MachineDownFile(req.Name), []byte(""), 0644); err != nil {
return err
}
if req.Force {
s.SystemCtl.KillBySIGTERM(s.MachineToUnit(req.Name))
}
if req.Wait {
return s.SystemCtl.StopAndWait(s.MachineToUnit(req.Name), 60*time.Second, nil)
}
return s.SystemCtl.Stop(s.MachineToUnit(req.Name), nil)
})
return new(empty.Empty), err
}
func (s *ServiceServer) Restart(ctx context.Context, req *pb.RestartMachineRequest) (*empty.Empty, error) {
if _, err := kvmrun.GetInstanceConf(req.Name); err != nil {
return nil, err
}
err := s.RunFuncTask(ctx, req.Name+"::", func(l *log.Entry) error {
os.Remove(s.MachineDownFile(req.Name))
if req.Wait {
if err := s.SystemCtl.StopAndWait(s.MachineToUnit(req.Name), 60*time.Second, nil); err != nil {
return err
}
return s.SystemCtl.Start(s.MachineToUnit(req.Name), nil)
}
return s.SystemCtl.Restart(s.MachineToUnit(req.Name), nil)
})
return new(empty.Empty), err
}
func (s *ServiceServer) Reset(ctx context.Context, req *pb.RestartMachineRequest) (*empty.Empty, error) {
if _, err := kvmrun.GetInstanceConf(req.Name); err != nil {
return nil, err
}
err := s.RunFuncTask(ctx, req.Name+"::", func(l *log.Entry) error {
os.Remove(s.MachineDownFile(req.Name))
s.SystemCtl.KillBySIGKILL(s.MachineToUnit(req.Name))
if err := s.SystemCtl.StopAndWait(s.MachineToUnit(req.Name), 30*time.Second, nil); err != nil {
log.Errorf("Failed to shutdown %s: %s", req.Name, err)
}
return s.SystemCtl.Start(s.MachineToUnit(req.Name), nil)
})
return new(empty.Empty), err
}