debian-bootc-base-images/minimal/postprocess-conf.yaml
Jonathan Lebon 4eb52e5483
bootc-base-imagectl: add --nobody-99 for use with --sysusers
The `nobody` user/group is special and can't be driven from a sysusers
dropin because Fedora's systemd has a compiled-in default value
for naming the overflow user that same name and that always takes
precedence.

The problem is that due to legacy and cargo-culting, we have to deal
with a bunch of systems with the `nobody` user set to 99:99 that we
can't just ignore. We need to migrate those, but for now at least to
make `--sysusers` usable in these environments, let's add a new hidden
`--nobody-99` option which defines _only_ that entry in the hardcoded
passwd/group. This _is_ respected by systemd-sysusers.

See also: https://github.com/coreos/fedora-coreos-tracker/issues/1201
See also: https://github.com/systemd/systemd/issues/7717
2025-07-15 14:32:42 -04:00

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YAML

# This file configures things relevant to `rpm-ostree compose postprocess`.
# We want content lifecycled with the image
opt-usrlocal: "root"
# https://github.com/CentOS/centos-bootc/issues/167
machineid-compat: true
rpmdb: target
# We never want rpmdb.sqlite-shm as it's unreproducible
rpmdb-normalize: true
ignore-removed-users:
- root
ignore-removed-groups:
- root
# By default users and groups are injected to nss-altfiles
# which is immutable. This list moves a selected set
# to /etc/group instead, which is mutable per system
# and allows local users to become part of these groups.
etc-group-members:
- wheel
- systemd-journal
- tss # https://issues.redhat.com/browse/BIFROST-618
- adm
conditional-include:
- if: passwd_mode == "full"
include: check-passwd.yaml
- if: passwd_mode == "nobody"
include: check-passwd-nobody.yaml
- if: passwd_mode == "none"
include:
check-passwd:
type: "none"
check-groups:
type: "none"