Can jail configuration file arguments written across multiple lines?

[PackElend]

Hi,
As I'm going to have quite a number of bind-mounts it would like to write down line be line in the jail configuration file.
is that somehow possible?

[Jip-Hop]

Jailmaker uses the python configparser library to parse the config file. It supports reading config values across multiple lines. See the Multiline Values example.

I haven't tried it myself but I suppose you can span the systemd_nspawn_user_args= across multiple lines. You may need to add \ at the end of each line (except for the last line) to make it work. I'd say experiment a little and post your findings.

[PackElend]

it is confirmed

startup=1
docker_compatible=1
gpu_passthrough_intel=0
gpu_passthrough_nvidia=0
systemd_nspawn_user_args=--network-macvlan=br8 
  --resolv-conf=bind-host 
  --bind='/mnt/SSD/SysAdmin/tmp:/mnt'
# You generally will not need to change the options below
systemd_run_default_args=--property=KillMode=mixed --property=Type=notify --property=RestartForceExitStatus=133 --property=SuccessExitStatus=133 --property=Delegate=yes --property=TasksMax=infinity --collect --setenv=SYSTEMD_NSPAWN_LOCK=0
systemd_nspawn_default_args=--keep-unit --quiet --boot

becomes

root@truenas[~]# jlmkr start myjail

Starting jail myjail with the following command:

systemd-run --property=KillMode=mixed --property=Type=notify --property=RestartForceExitStatus=133 --property=SuccessExitStatus=133 --property=Delegate=yes --property=TasksMax=infinity --collect --setenv=SYSTEMD_NSPAWN_LOCK=0 --unit=jlmkr-myjail --working-directory=./jails/myjail '--description=My nspawn jail myjail [created with jailmaker]' --setenv=SYSTEMD_SECCOMP=0 --property=DevicePolicy=auto -- systemd-nspawn --keep-unit --quiet --boot --machine=myjail --directory=rootfs --capability=all '--system-call-filter=add_key keyctl bpf' --network-macvlan=br8 --resolv-conf=bind-host --bind=/mnt/SSD/SysAdmin/tmp:/mnt

Running as unit: jlmkr-myjail.service

[Jip-Hop]

Nice!