github.com/vieux/docker@v0.6.3-0.20161004191708-e097c2a938c7/cli/command/trust.go (about)

     1  package command
     2  
     3  import (
     4  	"os"
     5  	"strconv"
     6  
     7  	"github.com/spf13/pflag"
     8  )
     9  
    10  var (
    11  	// TODO: make this not global
    12  	untrusted bool
    13  )
    14  
    15  // AddTrustedFlags adds content trust flags to the current command flagset
    16  func AddTrustedFlags(fs *pflag.FlagSet, verify bool) {
    17  	trusted, message := setupTrustedFlag(verify)
    18  	fs.BoolVar(&untrusted, "disable-content-trust", !trusted, message)
    19  }
    20  
    21  func setupTrustedFlag(verify bool) (bool, string) {
    22  	var trusted bool
    23  	if e := os.Getenv("DOCKER_CONTENT_TRUST"); e != "" {
    24  		if t, err := strconv.ParseBool(e); t || err != nil {
    25  			// treat any other value as true
    26  			trusted = true
    27  		}
    28  	}
    29  	message := "Skip image signing"
    30  	if verify {
    31  		message = "Skip image verification"
    32  	}
    33  	return trusted, message
    34  }
    35  
    36  // IsTrusted returns true if content trust is enabled
    37  func IsTrusted() bool {
    38  	return !untrusted
    39  }