github: run integration tests on local kernel

This tests on 6.2.0-1012-azure (see
https://github.com/actions/runner-images/releases/tag/ubuntu22%2F20231001.1).

.github/workflows/ci.yml

@@ -246,7 +246,11 @@ jobs:
           find test/.tmp -name '*.deb' -print0 | xargs -t -0 -I {} \
             sh -c "dpkg --fsys-tarfile {} | tar -C test/.tmp --wildcards --extract '*vmlinuz*' --file -"
 
-      - name: Run integration tests
+      - name: Run local integration tests
+        if: runner.os == 'Linux'
+        run: cargo xtask integration-test local
+
+      - name: Run virtualized integration tests
         run: find test/.tmp -name 'vmlinuz-*' | xargs -t cargo xtask integration-test vm
 
   # Provides a single status check for the entire build workflow.

test/integration-test/src/tests/relocations.rs

@@ -1,4 +1,4 @@
-use aya::{programs::UProbe, Bpf};
+use aya::{programs::UProbe, util::KernelVersion, Bpf};
 use test_log::test;
 
 #[test]
@@ -15,6 +15,12 @@ fn relocations() {
 
 #[test]
 fn text_64_64_reloc() {
+    let kernel_version = KernelVersion::current().unwrap();
+    if kernel_version < KernelVersion::new(5, 13, 0) {
+        eprintln!("skipping test on kernel {kernel_version:?}, support for bpf_for_each_map_elem was added in 5.13.0; see https://github.com/torvalds/linux/commit/69c087b");
+        return;
+    }
+
     let mut bpf = load_and_attach("test_text_64_64_reloc", crate::TEXT_64_64_RELOC);
 
     let mut m = aya::maps::Array::<_, u64>::try_from(bpf.map_mut("RESULTS").unwrap()).unwrap();

test/integration-test/src/tests/smoke.rs

@@ -9,14 +9,14 @@ use crate::utils::NetNsGuard;
 
 #[test]
 fn xdp() {
-    let _netns = NetNsGuard::new();
-
     let kernel_version = KernelVersion::current().unwrap();
     if kernel_version < KernelVersion::new(5, 18, 0) {
         eprintln!("skipping test on kernel {kernel_version:?}, support for BPF_F_XDP_HAS_FRAGS was added in 5.18.0; see https://github.com/torvalds/linux/commit/c2f2cdb");
         return;
     }
 
+    let _netns = NetNsGuard::new();
+
     let mut bpf = Bpf::load(crate::PASS).unwrap();
     let dispatcher: &mut Xdp = bpf.program_mut("pass").unwrap().try_into().unwrap();
     dispatcher.load().unwrap();
@@ -47,13 +47,14 @@ fn two_progs() {
 
 #[test]
 fn extension() {
-    let _netns = NetNsGuard::new();
-
     let kernel_version = KernelVersion::current().unwrap();
     if kernel_version < KernelVersion::new(5, 9, 0) {
         eprintln!("skipping test on kernel {kernel_version:?}, XDP uses netlink");
         return;
     }
+
+    let _netns = NetNsGuard::new();
+
     let mut bpf = Bpf::load(crate::MAIN).unwrap();
     let pass: &mut Xdp = bpf.program_mut("xdp_pass").unwrap().try_into().unwrap();
     pass.load().unwrap();