pod and qos level cgroup support

pkg/kubelet/cm/cgroup_manager_linux_test.go

@@ -0,0 +1,81 @@
+// +build linux
+
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cm
+
+import "testing"
+
+func TestLibcontainerAdapterAdaptToSystemd(t *testing.T) {
+	testCases := []struct {
+		input    string
+		expected string
+	}{
+		{
+			input:    "/",
+			expected: "-.slice",
+		},
+		{
+			input:    "/Burstable",
+			expected: "Burstable.slice",
+		},
+		{
+			input:    "/Burstable/pod_123",
+			expected: "Burstable-pod_123.slice",
+		},
+		{
+			input:    "/BestEffort/pod_6c1a4e95-6bb6-11e6-bc26-28d2444e470d",
+			expected: "BestEffort-pod_6c1a4e95_6bb6_11e6_bc26_28d2444e470d.slice",
+		},
+	}
+	for _, testCase := range testCases {
+		f := newLibcontainerAdapter(libcontainerSystemd)
+		if actual := f.adaptName(CgroupName(testCase.input), false); actual != testCase.expected {
+			t.Errorf("Unexpected result, input: %v, expected: %v, actual: %v", testCase.input, testCase.expected, actual)
+		}
+	}
+}
+
+func TestLibcontainerAdapterAdaptToSystemdAsCgroupFs(t *testing.T) {
+	testCases := []struct {
+		input    string
+		expected string
+	}{
+		{
+			input:    "/",
+			expected: "/",
+		},
+		{
+			input:    "/Burstable",
+			expected: "Burstable.slice/",
+		},
+		{
+			input:    "/Burstable/pod_123",
+			expected: "Burstable.slice/Burstable-pod_123.slice/",
+		},
+		{
+			input:    "/BestEffort/pod_6c1a4e95-6bb6-11e6-bc26-28d2444e470d",
+			expected: "BestEffort.slice/BestEffort-pod_6c1a4e95_6bb6_11e6_bc26_28d2444e470d.slice/",
+		},
+	}
+	for _, testCase := range testCases {
+		f := newLibcontainerAdapter(libcontainerSystemd)
+		if actual := f.adaptName(CgroupName(testCase.input), true); actual != testCase.expected {
+			t.Errorf("Unexpected result, input: %v, expected: %v, actual: %v", testCase.input, testCase.expected, actual)
+		}
+	}
+}