[pbs-devel] applied: [PATCH proxmox-backup v2 1/2] pbs-config: add 'create_mocked_lock' helper

Dietmar Maurer dietmar at proxmox.com
Tue Sep 7 09:49:37 CEST 2021


I really do not like this solution :-(

> On 09/07/2021 9:05 AM Wolfgang Bumiller <w.bumiller at proxmox.com> wrote:
> 
>  
> applied both patches
> 
> On Mon, Sep 06, 2021 at 05:00:25PM +0200, Dominik Csapak wrote:
> > by making the field an option and making it None in the mocked case
> > this function is only intended for testing and hidden from the docs
> > 
> > Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
> > ---
> > changes from v1:
> > * mark function unsafe, so that it is even more clear that this is not
> >   intended for 'normal' code
> >  pbs-config/src/lib.rs | 10 ++++++++--
> >  1 file changed, 8 insertions(+), 2 deletions(-)
> > 
> > diff --git a/pbs-config/src/lib.rs b/pbs-config/src/lib.rs
> > index 29811164..bd5430a3 100644
> > --- a/pbs-config/src/lib.rs
> > +++ b/pbs-config/src/lib.rs
> > @@ -18,7 +18,13 @@ pub fn backup_group() -> Result<nix::unistd::Group, Error> {
> >      pbs_tools::sys::query_group(BACKUP_GROUP_NAME)?
> >          .ok_or_else(|| format_err!("Unable to lookup '{}' group.", BACKUP_GROUP_NAME))
> >  }
> > -pub struct BackupLockGuard(std::fs::File);
> > +pub struct BackupLockGuard(Option<std::fs::File>);
> > +
> > +#[doc(hidden)]
> > +/// Note: do not use for production code, this is only intended for tests
> > +pub unsafe fn create_mocked_lock() -> BackupLockGuard {
> > +    BackupLockGuard(None)
> > +}
> >  
> >  /// Open or create a lock file owned by user "backup" and lock it.
> >  ///
> > @@ -41,7 +47,7 @@ pub fn open_backup_lockfile<P: AsRef<std::path::Path>>(
> >      let timeout = timeout.unwrap_or(std::time::Duration::new(10, 0));
> >  
> >      let file = proxmox::tools::fs::open_file_locked(&path, timeout, exclusive, options)?;
> > -    Ok(BackupLockGuard(file))
> > +    Ok(BackupLockGuard(Some(file)))
> >  }
> >  
> >  /// Atomically write data to file owned by "root:backup" with permission "0640"
> > -- 
> > 2.30.2
> 
> 
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