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bootstrap: chore: extract fn mount_modules

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This commit is contained in:
Mikaël Cluseau
2025-07-18 08:19:15 +02:00
parent 423a9c53e6
commit e484802284
2 changed files with 25 additions and 42 deletions
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39
src/cmd/init.rs
View File

@ -75,7 +75,7 @@ pub async fn run() {
let arch = lz4::Decoder::new(zarch.as_slice())?;
extract_cpio(arch).await
} else {
return Ok(());
Ok(())
}
})
.await;
@ -96,24 +96,8 @@ pub async fn run() {
// tokio::spawn(child_reaper());
// mount modules
if let Some(ref modules) = cfg.modules {
retry_or_ignore(async || {
info!("mounting modules");
mount(Some(modules), "/modules", "squashfs", None).await;
fs::create_dir_all("/lib/modules").await?;
let modules_path = &format!("/modules/lib/modules/{kernel_version}");
if !std::fs::exists(modules_path)? {
return Err(format_err!(
"invalid modules package: {modules_path} should exist"
));
}
symlink(modules_path, format!("/lib/modules/{kernel_version}"))?;
Ok(())
})
.await;
if let Some(modules) = cfg.modules.as_deref() {
retry_or_ignore(async || mount_modules(modules, &kernel_version).await).await;
} else {
warn!("modules NOT mounted (not configured)");
}
@ -181,6 +165,23 @@ pub async fn run() {
use std::path::Path;
async fn mount_modules(modules: &str, kernel_version: &str) -> Result<()> {
info!("mounting modules");
mount(Some(modules), "/modules", "squashfs", None).await;
fs::create_dir_all("/lib/modules").await?;
let modules_path = &format!("/modules/lib/modules/{kernel_version}");
if !std::fs::exists(modules_path)? {
return Err(format_err!(
"invalid modules package: {modules_path} should exist"
));
}
symlink(modules_path, format!("/lib/modules/{kernel_version}"))?;
Ok(())
}
async fn chmod(path: impl AsRef<Path>, mode: u32) -> std::io::Result<()> {
use std::fs::Permissions;
use std::os::unix::fs::PermissionsExt;

26
src/cmd/init/bootstrap.rs
View File

@ -18,11 +18,7 @@ pub async fn bootstrap(cfg: Config) {
let verifier = retry(async || Verifier::from_config(&cfg)).await;
let bs = cfg.bootstrap;
retry_or_ignore(async || {
mount(Some(&bs.dev), "/bootstrap", "ext4", None).await;
Ok(())
})
.await;
let boot_version = utils::param("version").unwrap_or("current");
let base_dir = &format!("/bootstrap/{boot_version}");
@ -104,15 +100,8 @@ impl Verifier {
let mut openssl = Command::new("openssl")
.stdin(Stdio::piped())
.args(&[
"dgst",
"-sha512",
"-verify",
"/dev/stdin",
"-signature",
&sig,
path,
])
.args(&["dgst", "-sha512", "-verify", "/dev/stdin"])
.args(&["-signature", &sig, path])
.spawn()?;
tokio::io::copy(&mut pubkey, openssl.stdin.as_mut().unwrap()).await?;
@ -232,15 +221,8 @@ async fn mount_system(cfg: &dkl::Config, bs_dir: &str, verifier: &Verifier) {
})
.await;
mount(
None,
"/system",
"overlay",
Some(&format!(
"lowerdir={lower_dir},upperdir={upper_dir},workdir={work_dir}"
)),
)
.await;
let opts = format!("lowerdir={lower_dir},upperdir={upper_dir},workdir={work_dir}");
mount(None, "/system", "overlay", Some(&opts)).await;
// make root rshared (default in systemd, required by Kubernetes 1.10+)
// equivalent to "mount --make-rshared /"