Imports github.com/miekg/dns github.com/opentracing/opentracing-go github.com/pkg/errors k8s.io/api/core/v1 k8s.io/apimachinery/pkg/apis/meta/v1 k8s.io/client-go/kubernetes k8s.io/client-go/rest Standard library imports context crypto/tls crypto/x509 encoding/pem fmt log net strings sync time