func validateMode(s *api.ServiceSpec) error {
m := s.GetMode()
switch m.(type) {
case *api.ServiceSpec_Replicated:
if int64(m.(*api.ServiceSpec_Replicated).Replicated.Replicas) < 0 {
return grpc.Errorf(codes.InvalidArgument, "Number of replicas must be non-negative")
}
case *api.ServiceSpec_Global:
default:
return grpc.Errorf(codes.InvalidArgument, "Unrecognized service mode")
}
return nil
}
func serviceSpecFromGRPC(spec *swarmapi.ServiceSpec) *types.ServiceSpec {
if spec == nil {
return nil
}
serviceNetworks := make([]types.NetworkAttachmentConfig, 0, len(spec.Networks))
for _, n := range spec.Networks {
serviceNetworks = append(serviceNetworks, types.NetworkAttachmentConfig{Target: n.Target, Aliases: n.Aliases})
}
taskNetworks := make([]types.NetworkAttachmentConfig, 0, len(spec.Task.Networks))
for _, n := range spec.Task.Networks {
taskNetworks = append(taskNetworks, types.NetworkAttachmentConfig{Target: n.Target, Aliases: n.Aliases})
}
containerConfig := spec.Task.Runtime.(*swarmapi.TaskSpec_Container).Container
convertedSpec := &types.ServiceSpec{
Annotations: types.Annotations{
Name: spec.Annotations.Name,
Labels: spec.Annotations.Labels,
},
TaskTemplate: types.TaskSpec{
ContainerSpec: containerSpecFromGRPC(containerConfig),
Resources: resourcesFromGRPC(spec.Task.Resources),
RestartPolicy: restartPolicyFromGRPC(spec.Task.Restart),
Placement: placementFromGRPC(spec.Task.Placement),
LogDriver: driverFromGRPC(spec.Task.LogDriver),
Networks: taskNetworks,
ForceUpdate: spec.Task.ForceUpdate,
},
Networks: serviceNetworks,
EndpointSpec: endpointSpecFromGRPC(spec.Endpoint),
}
// UpdateConfig
if spec.Update != nil {
convertedSpec.UpdateConfig = &types.UpdateConfig{
Parallelism: spec.Update.Parallelism,
MaxFailureRatio: spec.Update.MaxFailureRatio,
}
convertedSpec.UpdateConfig.Delay, _ = ptypes.Duration(&spec.Update.Delay)
if spec.Update.Monitor != nil {
convertedSpec.UpdateConfig.Monitor, _ = ptypes.Duration(spec.Update.Monitor)
}
switch spec.Update.FailureAction {
case swarmapi.UpdateConfig_PAUSE:
convertedSpec.UpdateConfig.FailureAction = types.UpdateFailureActionPause
case swarmapi.UpdateConfig_CONTINUE:
convertedSpec.UpdateConfig.FailureAction = types.UpdateFailureActionContinue
}
}
// Mode
switch t := spec.GetMode().(type) {
case *swarmapi.ServiceSpec_Global:
convertedSpec.Mode.Global = &types.GlobalService{}
case *swarmapi.ServiceSpec_Replicated:
convertedSpec.Mode.Replicated = &types.ReplicatedService{
Replicas: &t.Replicated.Replicas,
}
}
return convertedSpec
}