add cgroup cpus test for runtime

Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>

Author: Ma Shimiao

validation/linux_cgroups_cpus.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/opencontainers/runtime-tools/cgroups"
+	"github.com/opencontainers/runtime-tools/validation/util"
+)
+
+func main() {
+	var shares uint64 = 1024
+	var period uint64 = 100000
+	var quota int64 = 50000
+	var cpus, mems string = "0-1", "0"
+	g := util.GetDefaultGenerator()
+	g.SetLinuxCgroupsPath("/test")
+	g.SetLinuxResourcesCPUShares(shares)
+	g.SetLinuxResourcesCPUQuota(quota)
+	g.SetLinuxResourcesCPUPeriod(period)
+	g.SetLinuxResourcesCPUCpus(cpus)
+	g.SetLinuxResourcesCPUMems(mems)
+	err := util.RuntimeOutsideValidate(g, func(path string) error {
+		cg, err := cgroups.FindCgroup()
+		if err != nil {
+			return err
+		}
+		lcd, err := cg.GetCPUData(path)
+		if err != nil {
+			return err
+		}
+		if *lcd.Shares != shares {
+			return fmt.Errorf("cpus shares limit is not set correctly, expect: %d, actual: %d", shares, lcd.Shares)
+		}
+		if *lcd.Quota != quota {
+			return fmt.Errorf("cpus quota is not set correctly, expect: %d, actual: %d", quota, lcd.Quota)
+		}
+		if *lcd.Period != period {
+			return fmt.Errorf("cpus period is not set correctly, expect: %d, actual: %d", period, lcd.Period)
+		}
+		if lcd.Cpus != cpus {
+			return fmt.Errorf("cpus cpus is not set correctly, expect: %s, actual: %s", cpus, lcd.Cpus)
+		}
+		if lcd.Mems != mems {
+			return fmt.Errorf("cpus mems is not set correctly, expect: %s, actual: %s", mems, lcd.Mems)
+		}
+		return nil
+	})
+
+	if err != nil {
+		util.Fatal(err)
+	}
+}