running docker machine and docker from terraform local-exec

gistfile1.txt

    provisioner "local-exec" {
        command = "docker-machine create -d generic --generic-ssh-user=ubuntu  --generic-ip-address=${self.public_ip} --generic-ssh-key ${var.key_path} --engine-opt dns=172.17.42.1  --engine-opt dns-search=service.consul discovery-${count.index}"
    }

    provisioner "local-exec" {
        command = "docker --tlsverify --tlscacert=\"$HOME/.docker/machine/machines/discovery-${count.index}/ca.pem\" --tlscert=\"$HOME/.docker/machine/machines/discovery-${count.index}/cert.pem\" --tlskey=\"$HOME/.docker/machine/machines/discovery-${count.index}/key.pem\" -H=tcp://${self.public_ip}:2376 ps"
    }