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rustjail: fix the issue of invalid cgroup_parent path

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The cgroup_parent path is expected to be absolute path,
add an '/' prefix to the passed cgroup_parent path to make
sure it's an absolute path.

Fixes: #336

Signed-off-by: fupan.lfp <fupan.lfp@antfin.com>
This commit is contained in:
fupan.lfp 2020-09-09 15:57:26 +08:00
parent 7f20587433
commit c133a4561d
1 changed files with 2 additions and 6 deletions
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8
src/agent/rustjail/src/cgroups/fs/mod.rs
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@ -1389,10 +1389,6 @@ impl Manager {
pub fn new(cpath: &str) -> Result<Self> { pub fn new(cpath: &str) -> Result<Self> {
let mut m = HashMap::new(); let mut m = HashMap::new();
if !cpath.starts_with('/') {
return Err(nix::Error::Sys(Errno::EINVAL).into());
}
let paths = get_paths()?; let paths = get_paths()?;
let mounts = get_mounts()?; let mounts = get_mounts()?;
@ -1404,9 +1400,9 @@ impl Manager {
} }
let p = if value == "/" { let p = if value == "/" {
format!("{}{}", mnt.unwrap(), cpath) format!("{}/{}", mnt.unwrap(), cpath)
} else { } else {
format!("{}{}{}", mnt.unwrap(), value, cpath) format!("{}{}/{}", mnt.unwrap(), value, cpath)
}; };
m.insert(key.to_string(), p); m.insert(key.to_string(), p);