mirror of
https://github.com/containers/youki
synced 2024-05-21 06:56:06 +02:00
78 lines
2.2 KiB
Rust
78 lines
2.2 KiB
Rust
use std::path::Path;
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use anyhow::Result;
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use super::Controller;
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use crate::common;
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use oci_spec::{LinuxNetwork, LinuxResources};
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pub struct NetworkPriority {}
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impl Controller for NetworkPriority {
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type Resource = LinuxNetwork;
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fn apply(linux_resources: &LinuxResources, cgroup_root: &Path) -> Result<()> {
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log::debug!("Apply NetworkPriority cgroup config");
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if let Some(network) = Self::needs_to_handle(linux_resources) {
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Self::apply(cgroup_root, network)?;
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}
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Ok(())
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}
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fn needs_to_handle(linux_resources: &LinuxResources) -> Option<&Self::Resource> {
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if let Some(network) = &linux_resources.network {
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return Some(network);
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}
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None
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}
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}
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impl NetworkPriority {
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fn apply(root_path: &Path, network: &LinuxNetwork) -> Result<()> {
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if let Some(ni_priorities) = network.priorities.as_ref() {
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let priorities: String = ni_priorities.iter().map(|p| p.to_string()).collect();
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common::write_cgroup_file_str(root_path.join("net_prio.ifpriomap"), priorities.trim())?;
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}
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::test::{create_temp_dir, set_fixture};
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use oci_spec::LinuxInterfacePriority;
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#[test]
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fn test_apply_network_priorites() {
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let tmp = create_temp_dir("test_apply_network_priorites")
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.expect("create temp directory for test");
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set_fixture(&tmp, "net_prio.ifpriomap", "").expect("set fixture for priority map");
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let priorities = vec![
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LinuxInterfacePriority {
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name: "a".to_owned(),
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priority: 1,
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},
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LinuxInterfacePriority {
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name: "b".to_owned(),
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priority: 2,
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},
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];
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let priorities_string = priorities.iter().map(|p| p.to_string()).collect::<String>();
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let network = LinuxNetwork {
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class_id: None,
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priorities: priorities.into(),
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};
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NetworkPriority::apply(&tmp, &network).expect("apply network priorities");
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let content =
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std::fs::read_to_string(tmp.join("net_prio.ifpriomap")).expect("Read classID contents");
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assert_eq!(priorities_string.trim(), content);
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}
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}
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