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install: Ensure we label / (and /boot) #290

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Jan 29, 2024
Merged

install: Ensure we label / (and /boot) #290

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10 changes: 10 additions & 0 deletions lib/src/install.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -445,6 +445,10 @@ async fn initialize_ostree_root_from_self(
let rootfs = root_setup.rootfs.as_path();
let cancellable = gio::Cancellable::NONE;

// Ensure that the physical root is labeled.
// Another implementation: https://github.com/coreos/coreos-assembler/blob/3cd3307904593b3a131b81567b13a4d0b6fe7c90/src/create_disk.sh#L295
state.lsm_label(rootfs, "/".into(), false)?;

// TODO: make configurable?
let stateroot = STATEROOT_DEFAULT;
Task::new_and_run(
Expand All @@ -453,6 +457,12 @@ async fn initialize_ostree_root_from_self(
["admin", "init-fs", "--modern", rootfs.as_str()],
)?;

// And also label /boot AKA xbootldr, if it exists
let bootdir = rootfs.join("boot");
if bootdir.try_exists()? {
state.lsm_label(&bootdir, "/boot".into(), false)?;
}

// Default to avoiding grub2-mkconfig etc., but we need to use zipl on s390x.
// TODO: Lower this logic into ostree proper.
let bootloader = if cfg!(target_arch = "s390x") {
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3 changes: 3 additions & 0 deletions tests/kolainst/install
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Expand Up @@ -40,6 +40,9 @@ EOF
grep -Ee '^linux /boot/ostree' /var/mnt/loader/entries/*.conf
umount /var/mnt
echo "ok install"
mount /dev/vda4 /var/mnt
ls -dZ /var/mnt |grep ':root_t:'
umount /var/mnt

# Now test install to-filesystem
# Wipe the device
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