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test: fix TestTraceKernelModule test #2433

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merged 2 commits into from
May 15, 2024
Merged

test: fix TestTraceKernelModule test #2433

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f0087bc
test: show errors on TestTraceKernelModule
tixxdz May 15, 2024
8e62a63
test: test trace module operation
tixxdz May 15, 2024
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33 changes: 27 additions & 6 deletions pkg/sensors/tracing/kprobe_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6026,13 +6026,34 @@ spec:
observertesthelper.LoopEvents(ctx, t, &doneWG, &readyWG, obs)
readyWG.Wait()

module := "xfs"
if err := exec.Command("/usr/sbin/modprobe", module).Run(); err != nil {
t.Fatalf("failed to load %s module: %s", module, err)
module := "nfsv4"
var stdout, stderr bytes.Buffer
testCmd := exec.CommandContext(ctx, "/usr/sbin/modprobe", module)
testCmd.Stdout = &stdout
testCmd.Stderr = &stderr
if err := testCmd.Start(); err != nil {
t.Fatal(err)
}
if err := testCmd.Wait(); err != nil {
stderr := stderr.String()
t.Fatalf("Load '%s' module failed with %s. Context error: %v, error output: %v", module, err, ctx.Err(), stderr)
}
if len(stdout.String()) > 0 {
t.Logf("Load '%s' module stdout:\n%v\n", module, stdout.String())
}

if err := exec.Command("/usr/sbin/modprobe", "-r", module).Run(); err != nil {
t.Fatalf("failed to unload %s module: %s", module, err)
testCmd = exec.CommandContext(ctx, "/usr/sbin/modprobe", "-r", module)
testCmd.Stdout = &stdout
testCmd.Stderr = &stderr
if err := testCmd.Start(); err != nil {
t.Fatal(err)
}
if err := testCmd.Wait(); err != nil {
stderr := stderr.String()
t.Fatalf("Unload '%s' module failed with %s. Context error: %v, error output: %v", module, err, ctx.Err(), stderr)
}
if len(stdout.String()) > 0 {
t.Logf("Unload '%s' module stdout:\n%v\n", module, stdout.String())
}

process := ec.NewProcessChecker().
Expand All @@ -6044,7 +6065,7 @@ spec:
WithValues(
ec.NewKprobeArgumentChecker().WithFileArg(
ec.NewKprobeFileChecker().
WithPath(sm.Suffix(fmt.Sprintf("%s.ko", module)))),
WithPath(sm.Contains(fmt.Sprintf("%s.ko", module)))),
ec.NewKprobeArgumentChecker().WithIntArg(2),
),
)
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