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runtime-rs: bugfix for direct volume path's validation.

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The failure mainly caused by the encoded volume path and
the mount/src. As the src will be validated with stat,but
it's not a full path and encoded, which causes the stat
mount source failed.

Fixes: #7186

Signed-off-by: alex.lyn <alex.lyn@antgroup.com>
This commit is contained in:
alex.lyn 2023-06-28 10:07:07 +08:00
parent 3885ba4910
commit 6fd25968c6
2 changed files with 20 additions and 4 deletions
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12
src/runtime-rs/crates/resource/src/volume/block_volume.rs
View File

@ -11,8 +11,8 @@ use tokio::sync::RwLock;
use super::Volume;
use crate::volume::utils::{
generate_shared_path, volume_mount_info, DEFAULT_VOLUME_FS_TYPE, KATA_DIRECT_VOLUME_TYPE,
KATA_MOUNT_BIND_TYPE,
generate_shared_path, get_direct_volume_path, volume_mount_info, DEFAULT_VOLUME_FS_TYPE,
KATA_DIRECT_VOLUME_TYPE, KATA_MOUNT_BIND_TYPE,
};
use hypervisor::{
device::{
@ -182,8 +182,14 @@ pub(crate) fn is_block_volume(m: &oci::Mount) -> Result<bool> {
return Ok(false);
}
let source = if m.r#type.as_str() == KATA_DIRECT_VOLUME_TYPE {
get_direct_volume_path(&m.source).context("get direct volume path failed")?
} else {
m.source.clone()
};
let fstat =
stat::stat(m.source.as_str()).context(format!("stat mount source {} failed.", m.source))?;
stat::stat(source.as_str()).context(format!("stat mount source {} failed.", source))?;
let s_flag = SFlag::from_bits_truncate(fstat.st_mode);
match m.r#type.as_str() {

12
src/runtime-rs/crates/resource/src/volume/utils.rs
View File

@ -13,7 +13,9 @@ use crate::{
volume::share_fs_volume::generate_mount_path,
};
use kata_sys_util::eother;
use kata_types::mount::{get_volume_mount_info, DirectVolumeMountInfo};
use kata_types::mount::{
get_volume_mount_info, join_path, DirectVolumeMountInfo, KATA_DIRECT_VOLUME_ROOT_PATH,
};
pub const DEFAULT_VOLUME_FS_TYPE: &str = "ext4";
pub const KATA_MOUNT_BIND_TYPE: &str = "bind";
@ -27,6 +29,14 @@ pub fn volume_mount_info(volume_path: &str) -> Result<DirectVolumeMountInfo> {
get_volume_mount_info(volume_path)
}
// get direct volume path whose volume_path encoded with base64
pub fn get_direct_volume_path(volume_path: &str) -> Result<String> {
let volume_full_path =
join_path(KATA_DIRECT_VOLUME_ROOT_PATH, volume_path).context("failed to join path.")?;
Ok(volume_full_path.display().to_string())
}
pub fn get_file_name<P: AsRef<Path>>(src: P) -> Result<String> {
let file_name = src
.as_ref()