Imports github.com/hashicorp/go-cleanhttp github.com/mitchellh/go-homedir golang.org/x/oauth2 golang.org/x/oauth2/google golang.org/x/oauth2/jwt google.golang.org/api/compute/v1 google.golang.org/api/googleapi google.golang.org/api/iam/v1 Standard library imports context crypto/x509 encoding/base64 encoding/json encoding/pem errors fmt io/ioutil net/http net/url os path/filepath regexp strings time