mirror of https://github.com/k3s-io/k3s
69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
// +build linux darwin
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package local
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import (
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"os"
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"syscall"
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"testing"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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)
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func TestFSGroupMount(t *testing.T) {
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tmpDir, plug := getPlugin(t)
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defer os.RemoveAll(tmpDir)
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info, err := os.Stat(tmpDir)
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if err != nil {
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t.Errorf("Error getting stats for %s (%v)", tmpDir, err)
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}
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s := info.Sys().(*syscall.Stat_t)
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if s == nil {
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t.Errorf("Error getting stats for %s (%v)", tmpDir, err)
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}
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fsGroup1 := int64(s.Gid)
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fsGroup2 := fsGroup1 + 1
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pod1 := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
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pod1.Spec.SecurityContext = &v1.PodSecurityContext{
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FSGroup: &fsGroup1,
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}
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pod2 := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
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pod2.Spec.SecurityContext = &v1.PodSecurityContext{
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FSGroup: &fsGroup2,
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}
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err = testFSGroupMount(plug, pod1, tmpDir, fsGroup1)
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if err != nil {
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t.Errorf("Failed to make a new Mounter: %v", err)
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}
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err = testFSGroupMount(plug, pod2, tmpDir, fsGroup2)
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if err != nil {
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t.Errorf("Failed to make a new Mounter: %v", err)
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}
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//Checking if GID of tmpDir has not been changed by mounting it by second pod
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s = info.Sys().(*syscall.Stat_t)
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if s == nil {
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t.Errorf("Error getting stats for %s (%v)", tmpDir, err)
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}
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if fsGroup1 != int64(s.Gid) {
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t.Errorf("Old Gid %d for volume %s got overwritten by new Gid %d", fsGroup1, tmpDir, int64(s.Gid))
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}
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}
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