Imports github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/promauto github.com/prometheus/client_golang/prometheus/promhttp github.com/xorpaul/gohelper golang.org/x/crypto/ocsp gopkg.in/yaml.v2 Standard library imports bufio bytes crypto/sha256 crypto/tls crypto/x509 encoding/hex encoding/pem errors flag fmt io io/ioutil log net/http net/url os path/filepath regexp strconv strings sync time