Imports
- github.com/caicloud/nirvana/service
- github.com/caicloud/nirvana
- github.com/caicloud/nirvana/log
- github.com/caicloud/nirvana/cmd/nirvana/buildutils
- github.com/caicloud/nirvana/definition
- github.com/caicloud/nirvana/utils/generators/swagger
- github.com/spf13/cobra
- github.com/spf13/pflag