kata-containers/cgroups-rs
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probe cgroup v1 mount path

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Signed-off-by: bin liu <bin@hyper.sh>
This commit is contained in:
bin liu
2020-08-25 10:50:52 +08:00
parent ed1e8162d5
commit 9ce206f6bc
1 changed files with 14 additions and 4 deletions
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18
src/hierarchies.rs
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@@ -126,11 +126,21 @@ fn find_v1_mount() -> Option<String> {
let mut fields = line.split_whitespace();
let index = line.find(" - ").unwrap();
let mut more_fields = line[index + 3..].split_whitespace().collect::<Vec<_>>();
let fstype = more_fields[0];
if fstype == "tmpfs" && more_fields[2].contains("ro") {
if more_fields.len() == 0 {
continue;
}
if more_fields[0] == "cgroup" {
if more_fields.len() < 3 {
continue;
}
let cgroups_mount = fields.nth(4).unwrap();
info!("found cgroups at {:?}", cgroups_mount);
return Some(cgroups_mount.to_string());
if let Some(parent) = std::path::Path::new(cgroups_mount).parent() {
if let Some(path) = parent.as_os_str().to_str() {
debug!("found cgroups {:?} from {:?}", path, cgroups_mount);
return Some(path.to_string());
}
}
continue;
}
}