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product-config: add open_secret_lockfile

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We need this for things like shadow.json.lock.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2024-06-12 15:28:54 +02:00
parent 26922d1796
commit c12bbf6241
1 changed files with 19 additions and 0 deletions
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19
proxmox-product-config/src/filesystem_helpers.rs
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@ -142,3 +142,22 @@ pub fn open_api_lockfile<P: AsRef<Path>>(
let file = proxmox_sys::fs::open_file_locked(&path, timeout, exclusive, options)?;
Ok(ApiLockGuard(Some(file)))
}
///
/// Open or create a lock file owned by root and lock it.
///
/// File mode is `0600`.
/// Default timeout is 10 seconds.
///
/// The lock is released as soon as you drop the returned lock guard.
///
/// Note: This method needs to be called by user `root`.
pub fn open_secret_lockfile<P: AsRef<Path>>(
path: P,
timeout: Option<std::time::Duration>,
exclusive: bool,
) -> Result<ApiLockGuard, Error> {
let options = secret_create_options();
let timeout = timeout.unwrap_or(std::time::Duration::new(10, 0));
let file = proxmox_sys::fs::open_file_locked(&path, timeout, exclusive, options)?;
Ok(ApiLockGuard(Some(file)))
}