trust: define new commands and helpers

Signed-off-by: Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>

cli/command/trust/cmd.go

@@ -18,6 +18,10 @@ func NewTrustCommand(dockerCli command.Cli) *cobra.Command {
 		newViewCommand(dockerCli),
 		newRevokeCommand(dockerCli),
 		newSignCommand(dockerCli),
+		newKeyGenerateCommand(dockerCli),
+		newKeyLoadCommand(dockerCli),
+		newSignerAddCommand(dockerCli),
+		newSignerRemoveCommand(dockerCli),
 	)
 	return cmd
 }

cli/command/trust/helpers.go

@@ -9,6 +9,7 @@ import (
 )
 
 const releasedRoleName = "Repo Admin"
+const releasesRoleTUFName = "targets/releases"
 
 // check if a role name is "released": either targets/releases or targets TUF roles
 func isReleasedTarget(role data.RoleName) bool {
@@ -31,3 +32,13 @@ func clearChangeList(notaryRepo client.Repository) error {
 	}
 	return cl.Clear("")
 }
+
+func getOrGenerateRootKeyAndInitRepo(notaryRepo client.Repository) error {
+	rootKey, err := getOrGenerateNotaryKey(notaryRepo, data.CanonicalRootRole)
+	if err != nil {
+		return err
+	}
+	// Initialize the notary repository with a remotely managed snapshot
+	// key
+	return notaryRepo.Initialize([]string{rootKey.ID()}, data.CanonicalSnapshotRole)
+}