Obnam.backupEncrypted "/" (Cron.Times "44 2 * * *") [] Obnam.OnlyClient (Gpg.GpgKeyId "XXXXXX")

$ propellor --spin myhost
myhost apt installed obnam ... ok
gpg: key XXXXXX: already in secret keyring
gpg: Total number processed: 1
gpg:       secret keys read: 1
gpg:  secret keys unchanged: 1
** warning: user error (su ["-c","gpg --import","root"] exited 2)
myhost / backed up by obnam ... failed
myhost overall ... failed
Shared connection to myhost closed.
propellor: remote propellor failed