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composepost: expand unit test surface

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This commit is contained in:
Luca BRUNO 2021-04-28 12:58:45 +00:00
parent e326f9be47
commit c708b47fc9
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GPG Key ID: A9834A2252078E4E
1 changed files with 21 additions and 15 deletions
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36
rust/src/composepost.rs
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@ -40,8 +40,8 @@ fn dir_move_if_exists(src: &openat::Dir, dest: &openat::Dir, name: &str) -> Resu
///
/// This is hardcoded; in the future we may make more things configurable,
/// but the goal is for all state to be in `/etc` and `/var`.
#[context("Init rootfs")]
fn compose_init_rootfs(rootfs_dfd: &openat::Dir, treefile: &mut Treefile) -> Result<()> {
#[context("Initializing rootfs")]
fn compose_init_rootfs(rootfs_dfd: &openat::Dir, tmp_is_dir: bool) -> Result<()> {
use nix::fcntl::OFlag;
println!("Initializing rootfs");
@ -62,7 +62,7 @@ fn compose_init_rootfs(rootfs_dfd: &openat::Dir, treefile: &mut Treefile) -> Res
("sysroot/ostree", "ostree"),
];
nix::sys::stat::fchmod(nix_rootfs.as_raw_fd(), default_dirmode).context("rootfs chown")?;
nix::sys::stat::fchmod(nix_rootfs.as_raw_fd(), default_dirmode).context("rootfs chmod")?;
TOPLEVEL_DIRS
.par_iter()
@ -71,7 +71,7 @@ fn compose_init_rootfs(rootfs_dfd: &openat::Dir, treefile: &mut Treefile) -> Res
.par_iter()
.try_for_each(|&(dest, src)| rootfs_dfd.symlink(src, dest))?;
if treefile.parsed.tmp_is_dir.unwrap_or_default() {
if tmp_is_dir {
let tmp_mode = 0o1777;
rootfs_dfd.ensure_dir("tmp", tmp_mode)?;
nix::sys::stat::fchmodat(
@ -102,7 +102,8 @@ pub fn compose_prepare_rootfs(
let src_rootfs_dfd = &crate::ffiutil::ffi_view_openat_dir(src_rootfs_dfd);
let target_rootfs_dfd = &crate::ffiutil::ffi_view_openat_dir(target_rootfs_dfd);
compose_init_rootfs(target_rootfs_dfd, treefile)?;
let tmp_is_dir = treefile.parsed.tmp_is_dir.unwrap_or_default();
compose_init_rootfs(target_rootfs_dfd, tmp_is_dir)?;
println!("Moving /usr to target");
openat::rename(src_rootfs_dfd, "usr", target_rootfs_dfd, "usr")?;
@ -765,7 +766,6 @@ fn ensure_symlink(rootfs: &openat::Dir, target: &str, linkpath: &str) -> Result<
#[cfg(test)]
mod tests {
use super::*;
use crate::treefile::tests as tf_tests;
use std::collections::HashSet;
#[test]
@ -837,15 +837,21 @@ OSTREE_VERSION='33.4'
#[test]
fn test_init_rootfs() -> Result<()> {
let t = tempfile::tempdir()?;
let d = &openat::Dir::open(t.path())?;
let mut tf = tf_tests::new_test_treefile(
t.path(),
tf_tests::VALID_PRELUDE,
Some(tf_tests::ARCH_X86_64),
)?;
compose_init_rootfs(d, &mut tf)?;
{
let t = tempfile::tempdir()?;
let rootfs = &openat::Dir::open(t.path())?;
compose_init_rootfs(rootfs, false)?;
let target = rootfs.read_link("tmp").unwrap();
assert_eq!(target, Path::new("sysroot/tmp"));
}
{
let t = tempfile::tempdir()?;
let rootfs = &openat::Dir::open(t.path())?;
compose_init_rootfs(rootfs, true)?;
let tmpdir_meta = rootfs.metadata("tmp").unwrap();
assert!(tmpdir_meta.is_dir());
assert_eq!(tmpdir_meta.stat().st_mode & 0o7777, 0o1777);
}
Ok(())
}