forked from Juniper/contrail
/
res_service.go
157 lines (130 loc) · 4.24 KB
/
res_service.go
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package neutron
import (
"context"
"github.com/Juniper/asf/pkg/auth"
"github.com/Juniper/asf/pkg/errutil"
"github.com/Juniper/asf/pkg/keystone"
"github.com/Juniper/asf/pkg/services/baseservices"
"github.com/Juniper/contrail/pkg/models"
"github.com/Juniper/contrail/pkg/neutron/logic"
"github.com/Juniper/contrail/pkg/services"
"github.com/pkg/errors"
asfmodels "github.com/Juniper/asf/pkg/models"
)
type keystoneClient interface {
GetProject(ctx context.Context, token string, id string) (*keystone.Project, error)
}
// Service handles neutron specific logic
type Service struct {
services.BaseService
Keystone keystoneClient
ReadService services.ReadService
MetadataGetter baseservices.MetadataGetter
WriteService services.WriteService
InTransactionDoer services.InTransactionDoer
}
// GetProject ensures that projects in keystone exists in contrail and returns it
func (sv *Service) GetProject(
ctx context.Context, request *services.GetProjectRequest,
) (*services.GetProjectResponse, error) {
var response *services.GetProjectResponse
err := sv.InTransactionDoer.DoInTransaction(
ctx,
func(ctx context.Context) error {
var err error
response, err = sv.BaseService.GetProject(ctx, request)
if errutil.IsNotFound(err) {
p, kerr := sv.getProjectFromKeystone(ctx, request.GetID())
if kerr != nil {
return errutil.MultiError{err, kerr}
}
_, err = sv.WriteService.CreateProject(
ctx,
&services.CreateProjectRequest{
Project: &models.Project{
UUID: request.ID,
DisplayName: p.Name,
Name: p.Name,
ParentType: models.KindDomain,
FQName: []string{"default-domain", p.Name},
},
},
)
if err != nil {
return err
}
response, err = sv.BaseService.GetProject(ctx, request)
}
return err
})
return response, err
}
func (sv *Service) getProjectFromKeystone(ctx context.Context, id string) (*keystone.Project, error) {
token := auth.GetIdentity(ctx).AuthToken()
if token == "" {
return nil, errors.New("expected auth token in context")
}
p, err := sv.Keystone.GetProject(ctx, token, logic.VncUUIDToNeutronID(id))
if err != nil {
return nil, errors.Wrap(err, "couldn't get project from keystone")
}
return p, nil
}
// CreateProject creates the project and ensures its default security group exists.
func (sv *Service) CreateProject(
ctx context.Context, request *services.CreateProjectRequest,
) (*services.CreateProjectResponse, error) {
var response *services.CreateProjectResponse
err := sv.InTransactionDoer.DoInTransaction(ctx, func(ctx context.Context) error {
var err error
response, err = sv.BaseService.CreateProject(ctx, request)
if err != nil {
return err
}
project := response.GetProject()
_, err = sv.WriteService.CreateSecurityGroup(ctx, &services.CreateSecurityGroupRequest{
SecurityGroup: project.DefaultSecurityGroup(),
})
return err
// TODO: Create default firewall group.
})
return response, err
}
// DeleteProject deletes the project with its default security group.
func (sv *Service) DeleteProject(
ctx context.Context, request *services.DeleteProjectRequest,
) (*services.DeleteProjectResponse, error) {
var response *services.DeleteProjectResponse
err := sv.InTransactionDoer.DoInTransaction(
ctx,
func(ctx context.Context) error {
var err error
if err = sv.deleteDefaultSecurityGroup(ctx, request.GetID()); err != nil {
return err
}
// TODO: Delete default firewall group.
response, err = sv.BaseService.DeleteProject(ctx, request)
return err
})
return response, err
}
func (sv *Service) deleteDefaultSecurityGroup(ctx context.Context, projectUUID string) error {
projectResponse, err := sv.ReadService.GetProject(ctx, &services.GetProjectRequest{
ID: projectUUID,
Fields: []string{models.ProjectFieldFQName},
})
if err != nil {
return err
}
metadata, err := sv.MetadataGetter.GetMetadata(ctx, asfmodels.Metadata{
FQName: projectResponse.GetProject().DefaultSecurityGroupFQName(),
Type: models.KindSecurityGroup,
})
if err != nil {
return errors.Wrap(err, "default SecurityGroup not found")
}
_, err = sv.WriteService.DeleteSecurityGroup(ctx, &services.DeleteSecurityGroupRequest{
ID: metadata.UUID,
})
return err
}