Add integration tests for Intel RDT feature.

Note: this requires resctrl filesystem to be mounted.

Signed-off-by: Ismo Puustinen <ismo.puustinen@intel.com>

Author: ipuustin

tests/rust-integration-tests/integration_test/src/main.rs

@@ -3,6 +3,7 @@ mod utils;
 
 use crate::tests::hooks::get_hooks_tests;
 use crate::tests::hostname::get_hostname_test;
+use crate::tests::intel_rdt::get_intel_rdt_test;
 use crate::tests::lifecycle::{ContainerCreate, ContainerLifecycle};
 use crate::tests::linux_ns_itype::get_ns_itype_tests;
 use crate::tests::mounts_recursive::get_mounts_recursive_test;
@@ -92,6 +93,7 @@ fn main() -> Result<()> {
     let ro_paths = get_ro_paths_test();
     let hostname = get_hostname_test();
     let mounts_recursive = get_mounts_recursive_test();
+    let intel_rdt = get_intel_rdt_test();
 
     tm.add_test_group(Box::new(cl));
     tm.add_test_group(Box::new(cc));
@@ -109,6 +111,7 @@ fn main() -> Result<()> {
     tm.add_test_group(Box::new(ro_paths));
     tm.add_test_group(Box::new(hostname));
     tm.add_test_group(Box::new(mounts_recursive));
+    tm.add_test_group(Box::new(intel_rdt));
 
     tm.add_cleanup(Box::new(cgroups::cleanup_v1));
     tm.add_cleanup(Box::new(cgroups::cleanup_v2));

tests/rust-integration-tests/integration_test/src/tests/intel_rdt/intel_rdt_test.rs

@@ -0,0 +1,60 @@
+use anyhow::{Context, Result};
+use libcontainer::process::intel_rdt::find_resctrl_mount_point;
+
+use oci_spec::runtime::{LinuxBuilder, LinuxIntelRdt, Spec, SpecBuilder};
+use test_framework::{test_result, TestResult};
+
+use crate::utils::{test_outside_container, test_utils::check_container_created};
+
+fn create_spec(
+    maybe_l3_cache: Option<&str>,
+    maybe_mem_bw: Option<&str>,
+    maybe_clos_id: Option<&str>,
+) -> Result<Spec> {
+    let mut intel_rdt = LinuxIntelRdt::default();
+    intel_rdt.set_l3_cache_schema(maybe_l3_cache.map(|x| x.to_owned()));
+    intel_rdt.set_mem_bw_schema(maybe_mem_bw.map(|x| x.to_owned()));
+    intel_rdt.set_clos_id(maybe_clos_id.map(|x| x.to_owned()));
+
+    // Create the Linux Spec
+    let linux_spec = LinuxBuilder::default()
+        .intel_rdt(intel_rdt)
+        .build()
+        .context("failed to build linux spec")?;
+
+    // Create the top level Spec
+    let spec = SpecBuilder::default()
+        .linux(linux_spec)
+        .build()
+        .context("failed to build spec")?;
+
+    Ok(spec)
+}
+
+pub fn test_intel_rdt() -> TestResult {
+    let cases = vec![
+        test_result!(create_spec(Some("L3:0=fff"), Some("MB:0=70"), None)),
+        test_result!(create_spec(Some("L3:0=fff"), None, None)),
+        test_result!(create_spec(None, Some("MB:0=70"), None)),
+        test_result!(create_spec(None, None, None)),
+    ];
+
+    for spec in cases.into_iter() {
+        let test_result = test_outside_container(spec, &|data| {
+            test_result!(check_container_created(&data));
+
+            TestResult::Passed
+        });
+        if let TestResult::Failed(_) = test_result {
+            return test_result;
+        }
+    }
+
+    TestResult::Passed
+}
+
+pub fn can_run() -> bool {
+    // Ensure the resctrl pseudo-filesystem is mounted.
+    let res = find_resctrl_mount_point();
+    res.is_ok()
+}

tests/rust-integration-tests/integration_test/src/tests/intel_rdt/mod.rs

@@ -0,0 +1,14 @@
+use test_framework::{ConditionalTest, TestGroup};
+
+use self::intel_rdt_test::{can_run, test_intel_rdt};
+
+mod intel_rdt_test;
+
+pub fn get_intel_rdt_test() -> TestGroup {
+    let mut test_group = TestGroup::new("intel_rdt");
+    let intel_rdt = ConditionalTest::new("intel_rdt", Box::new(can_run), Box::new(test_intel_rdt));
+
+    test_group.add(vec![Box::new(intel_rdt)]);
+
+    test_group
+}

tests/rust-integration-tests/integration_test/src/tests/mod.rs

@@ -1,6 +1,7 @@
 pub mod cgroups;
 pub mod hooks;
 pub mod hostname;
+pub mod intel_rdt;
 pub mod lifecycle;
 pub mod linux_ns_itype;
 pub mod mounts_recursive;