Imports
- github.com/pkg/errors
- k8s.io/api/core/v1
- k8s.io/apimachinery/pkg/apis/meta/v1
- k8s.io/apimachinery/pkg/util/wait
- k8s.io/apimachinery/pkg/watch
- k8s.io/client-go/kubernetes
- github.com/sirupsen/logrus
- github.com/jetstack/cert-manager/pkg/apis/certmanager/v1alpha1
- github.com/jetstack/cert-manager/pkg/client/clientset/versioned