func (a KubernetesAdapter) CreateServices(services []*pmxadapter.Service) ([]pmxadapter.ServiceDeployment, error) {
deployments := make([]pmxadapter.ServiceDeployment, len(services))
// TODO destroy all services (and RCs I guess!) if there is an error
// anywhere. Otherwise they'll be orphaned and screw up subsequent deploys.
kServices, err := kServicesFromServices(services)
if err != nil {
return nil, err
}
if err := DefaultExecutor.CreateKServices(kServices); err != nil {
return nil, err
}
for i, s := range services {
rcSpec := replicationControllerSpecFromService(*s)
rc, err := DefaultExecutor.CreateReplicationController(rcSpec)
if err != nil {
if sErr, ok := err.(*errors.StatusError); ok && sErr.ErrStatus.Reason == api.StatusReasonAlreadyExists {
return nil, pmxadapter.NewAlreadyExistsError(err.Error())
}
return nil, err
}
status, err := statusFromReplicationController(rc)
if err != nil {
return nil, err
}
deployments[i].ID = rc.ObjectMeta.Name
deployments[i].ActualState = status
}
return deployments, nil
}
// Once K8s allows multiple ports per service, we can lift the restriction on
// a single port. We can't do anything about it now because we need to mimic
// current Docker environment variables while satisfying K8s's requirement
// for unique service names.
func validateServicesPorts(services []*pmxadapter.Service) error {
for _, s := range services {
if len(s.Ports) > 1 {
return pmxadapter.NewAlreadyExistsError(multiplePortsError)
}
}
return nil
}