88 lines
2.0 KiB
Go
88 lines
2.0 KiB
Go
// +build linux
|
|
|
|
package fs
|
|
|
|
import (
|
|
"strconv"
|
|
"testing"
|
|
|
|
"github.com/opencontainers/runc/libcontainer/cgroups"
|
|
)
|
|
|
|
const (
|
|
maxUnlimited = -1
|
|
maxLimited = 1024
|
|
)
|
|
|
|
func TestPidsSetMax(t *testing.T) {
|
|
helper := NewCgroupTestUtil("pids", t)
|
|
defer helper.cleanup()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"pids.max": "max",
|
|
})
|
|
|
|
helper.CgroupData.config.Resources.PidsLimit = maxLimited
|
|
pids := &PidsGroup{}
|
|
if err := pids.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
value, err := getCgroupParamUint(helper.CgroupPath, "pids.max")
|
|
if err != nil {
|
|
t.Fatalf("Failed to parse pids.max - %s", err)
|
|
}
|
|
|
|
if value != maxLimited {
|
|
t.Fatalf("Expected %d, got %d for setting pids.max - limited", maxLimited, value)
|
|
}
|
|
}
|
|
|
|
func TestPidsSetUnlimited(t *testing.T) {
|
|
helper := NewCgroupTestUtil("pids", t)
|
|
defer helper.cleanup()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"pids.max": strconv.Itoa(maxLimited),
|
|
})
|
|
|
|
helper.CgroupData.config.Resources.PidsLimit = maxUnlimited
|
|
pids := &PidsGroup{}
|
|
if err := pids.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
value, err := getCgroupParamString(helper.CgroupPath, "pids.max")
|
|
if err != nil {
|
|
t.Fatalf("Failed to parse pids.max - %s", err)
|
|
}
|
|
|
|
if value != "max" {
|
|
t.Fatalf("Expected %s, got %s for setting pids.max - unlimited", "max", value)
|
|
}
|
|
}
|
|
|
|
func TestPidsStats(t *testing.T) {
|
|
helper := NewCgroupTestUtil("pids", t)
|
|
defer helper.cleanup()
|
|
|
|
helper.writeFileContents(map[string]string{
|
|
"pids.current": strconv.Itoa(1337),
|
|
"pids.max": strconv.Itoa(maxLimited),
|
|
})
|
|
|
|
pids := &PidsGroup{}
|
|
stats := *cgroups.NewStats()
|
|
if err := pids.GetStats(helper.CgroupPath, &stats); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if stats.PidsStats.Current != 1337 {
|
|
t.Fatalf("Expected %d, got %d for pids.current", 1337, stats.PidsStats.Current)
|
|
}
|
|
|
|
if stats.PidsStats.Max != maxLimited {
|
|
t.Fatalf("Expected %d, got %d for pids.max", maxLimited, stats.PidsStats.Max)
|
|
}
|
|
}
|