For some reason upstream AMI is disabling 'ssh_deletekeys' feature on cloud-init, but generating SSH host keys should important for public AMI images, so enable it again. See: https://cloudinit.readthedocs.io/en/latest/topics/modules.html?highlight=ssh_deletekeys#ssh Fixes scylladb/scylla-ami#31 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <20180927122816.27809-1-syuu@scylladb.com>