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kata-agent: optional bind flag

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Fixes: #9269

From https://github.com/opencontainers/runtime-spec/blob/main/config.md#mounts
type (string, OPTIONAL) The type of the filesystem to be mounted.
bind may be only specified in the oci spec options -> flags update r#type
The agent will ignore bind mounts if they are only specified in the OCI spec options and not in the flags.

Signed-off-by: Zvonko Kaiser <zkaiser@nvidia.com>
This commit is contained in:
Zvonko Kaiser 2024-03-13 09:14:46 +00:00
parent a116b252c8
commit c15e19c806
1 changed files with 11 additions and 0 deletions
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11
src/agent/rustjail/src/mount.rs
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@ -218,6 +218,17 @@ pub fn init_rootfs(
));
}
// From https://github.com/opencontainers/runtime-spec/blob/main/config.md#mounts
// type (string, OPTIONAL) The type of the filesystem to be mounted.
// bind may be only specified in the oci spec options -> flags update r#type
let m = &{
let mut mbind = m.clone();
if mbind.r#type.is_empty() && flags & MsFlags::MS_BIND == MsFlags::MS_BIND {
mbind.r#type = "bind".to_string();
}
mbind
};
if m.r#type == "cgroup" {
mount_cgroups(cfd_log, m, rootfs, flags, &data, cpath, mounts)?;
} else {