Imports github.com/jetstack/cert-manager/pkg/apis/certmanager/v1 go.uber.org/zap k8s.io/api/core/v1 k8s.io/apimachinery/pkg/api/errors k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/apimachinery/pkg/util/wait k8s.io/client-go/kubernetes k8s.io/client-go/util/retry Standard library imports context crypto/rand encoding/hex fmt net net/url time