Imports github.com/pkg/errors k8s.io/api/core/v1 k8s.io/api/extensions/v1beta1 k8s.io/ingress-nginx/pkg/file k8s.io/ingress-nginx/pkg/ingress/annotations/parser k8s.io/ingress-nginx/pkg/ingress/errors k8s.io/ingress-nginx/pkg/ingress/resolver Standard library imports fmt io/ioutil os path regexp