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copy testfiles to hostutil dir

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This commit is contained in:
Travis Rhoden
2019-08-22 10:42:02 -06:00
parent 8bac909287
commit c55b19bc0a
4 changed files with 1342 additions and 0 deletions
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0
pkg/util/mount/mount_linux_test.go → pkg/util/mount/hostutil/mount_helper_unix_test.go
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0
pkg/util/mount/mount_windows_test.go → pkg/util/mount/hostutil/mount_helper_windows_test.go
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918
pkg/util/mount/hostutil/mount_linux_test.go Normal file
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@@ -0,0 +1,918 @@
// +build linux
/*
Copyright 2014 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 mount
import (
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"k8s.io/utils/exec"
)
func TestReadProcMountsFrom(t *testing.T) {
successCase :=
`/dev/0 /path/to/0 type0 flags 0 0
/dev/1 /path/to/1 type1 flags 1 1
/dev/2 /path/to/2 type2 flags,1,2=3 2 2
`
// NOTE: readProcMountsFrom has been updated to using fnv.New32a()
mounts, err := parseProcMounts([]byte(successCase))
if err != nil {
t.Errorf("expected success, got %v", err)
}
if len(mounts) != 3 {
t.Fatalf("expected 3 mounts, got %d", len(mounts))
}
mp := MountPoint{"/dev/0", "/path/to/0", "type0", []string{"flags"}, 0, 0}
if !mountPointsEqual(&mounts[0], &mp) {
t.Errorf("got unexpected MountPoint[0]: %#v", mounts[0])
}
mp = MountPoint{"/dev/1", "/path/to/1", "type1", []string{"flags"}, 1, 1}
if !mountPointsEqual(&mounts[1], &mp) {
t.Errorf("got unexpected MountPoint[1]: %#v", mounts[1])
}
mp = MountPoint{"/dev/2", "/path/to/2", "type2", []string{"flags", "1", "2=3"}, 2, 2}
if !mountPointsEqual(&mounts[2], &mp) {
t.Errorf("got unexpected MountPoint[2]: %#v", mounts[2])
}
errorCases := []string{
"/dev/0 /path/to/mount\n",
"/dev/1 /path/to/mount type flags a 0\n",
"/dev/2 /path/to/mount type flags 0 b\n",
}
for _, ec := range errorCases {
_, err := parseProcMounts([]byte(ec))
if err == nil {
t.Errorf("expected error")
}
}
}
func mountPointsEqual(a, b *MountPoint) bool {
if a.Device != b.Device || a.Path != b.Path || a.Type != b.Type || !reflect.DeepEqual(a.Opts, b.Opts) || a.Pass != b.Pass || a.Freq != b.Freq {
return false
}
return true
}
func TestGetMountRefs(t *testing.T) {
fm := &FakeMounter{
MountPoints: []MountPoint{
{Device: "/dev/sdb", Path: "/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd"},
{Device: "/dev/sdb", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd-in-pod"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd2"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod1"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod2"},
},
}
tests := []struct {
mountPath string
expectedRefs []string
}{
{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd-in-pod",
[]string{
"/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd",
},
},
{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod1",
[]string{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod2",
"/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd2",
},
},
{
"/var/fake/directory/that/doesnt/exist",
[]string{},
},
}
for i, test := range tests {
if refs, err := fm.GetMountRefs(test.mountPath); err != nil || !setEquivalent(test.expectedRefs, refs) {
t.Errorf("%d. getMountRefs(%q) = %v, %v; expected %v, nil", i, test.mountPath, refs, err, test.expectedRefs)
}
}
}
func setEquivalent(set1, set2 []string) bool {
map1 := make(map[string]bool)
map2 := make(map[string]bool)
for _, s := range set1 {
map1[s] = true
}
for _, s := range set2 {
map2[s] = true
}
for s := range map1 {
if !map2[s] {
return false
}
}
for s := range map2 {
if !map1[s] {
return false
}
}
return true
}
func TestGetDeviceNameFromMount(t *testing.T) {
fm := &FakeMounter{
MountPoints: []MountPoint{
{Device: "/dev/disk/by-path/prefix-lun-1",
Path: "/mnt/111"},
{Device: "/dev/disk/by-path/prefix-lun-1",
Path: "/mnt/222"},
},
}
tests := []struct {
mountPath string
expectedDevice string
expectedRefs int
}{
{
"/mnt/222",
"/dev/disk/by-path/prefix-lun-1",
2,
},
}
for i, test := range tests {
if device, refs, err := GetDeviceNameFromMount(fm, test.mountPath); err != nil || test.expectedRefs != refs || test.expectedDevice != device {
t.Errorf("%d. GetDeviceNameFromMount(%s) = (%s, %d), %v; expected (%s,%d), nil", i, test.mountPath, device, refs, err, test.expectedDevice, test.expectedRefs)
}
}
}
func TestGetMountRefsByDev(t *testing.T) {
fm := &FakeMounter{
MountPoints: []MountPoint{
{Device: "/dev/sdb", Path: "/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd"},
{Device: "/dev/sdb", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd-in-pod"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd2"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod1"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod2"},
},
}
tests := []struct {
mountPath string
expectedRefs []string
}{
{
"/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd",
[]string{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd-in-pod",
},
},
{
"/var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/gce-pd2",
[]string{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod1",
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~gce-pd/gce-pd2-in-pod2",
},
},
}
for i, test := range tests {
if refs, err := getMountRefsByDev(fm, test.mountPath); err != nil || !setEquivalent(test.expectedRefs, refs) {
t.Errorf("%d. getMountRefsByDev(%q) = %v, %v; expected %v, nil", i, test.mountPath, refs, err, test.expectedRefs)
}
}
}
func writeFile(content string) (string, string, error) {
tempDir, err := ioutil.TempDir("", "mounter_shared_test")
if err != nil {
return "", "", err
}
filename := filepath.Join(tempDir, "mountinfo")
err = ioutil.WriteFile(filename, []byte(content), 0600)
if err != nil {
os.RemoveAll(tempDir)
return "", "", err
}
return tempDir, filename, nil
}
func TestIsSharedSuccess(t *testing.T) {
successMountInfo :=
`62 0 253:0 / / rw,relatime shared:1 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
76 62 8:1 / /boot rw,relatime shared:29 - ext4 /dev/sda1 rw,seclabel,data=ordered
78 62 0:41 / /tmp rw,nosuid,nodev shared:30 - tmpfs tmpfs rw,seclabel
80 62 0:42 / /var/lib/nfs/rpc_pipefs rw,relatime shared:31 - rpc_pipefs sunrpc rw
82 62 0:43 / /var/lib/foo rw,relatime shared:32 - tmpfs tmpfs rw
83 63 0:44 / /var/lib/bar rw,relatime - tmpfs tmpfs rw
227 62 253:0 /var/lib/docker/devicemapper /var/lib/docker/devicemapper rw,relatime - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
224 62 253:0 /var/lib/docker/devicemapper/test/shared /var/lib/docker/devicemapper/test/shared rw,relatime master:1 shared:44 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
`
tempDir, filename, err := writeFile(successMountInfo)
if err != nil {
t.Fatalf("cannot create temporary file: %v", err)
}
defer os.RemoveAll(tempDir)
tests := []struct {
name string
path string
expectedResult bool
}{
{
// /var/lib/kubelet is a directory on mount '/' that is shared
// This is the most common case.
"shared",
"/var/lib/kubelet",
true,
},
{
// 8a2a... is a directory on mount /var/lib/docker/devicemapper
// that is private.
"private",
"/var/lib/docker/devicemapper/mnt/8a2a5c19eefb06d6f851dfcb240f8c113427f5b49b19658b5c60168e88267693/",
false,
},
{
// 'directory' is a directory on mount
// /var/lib/docker/devicemapper/test/shared that is shared, but one
// of its parent is private.
"nested-shared",
"/var/lib/docker/devicemapper/test/shared/my/test/directory",
true,
},
{
// /var/lib/foo is a mount point and it's shared
"shared-mount",
"/var/lib/foo",
true,
},
{
// /var/lib/bar is a mount point and it's private
"private-mount",
"/var/lib/bar",
false,
},
}
for _, test := range tests {
ret, err := isShared(test.path, filename)
if err != nil {
t.Errorf("test %s got unexpected error: %v", test.name, err)
}
if ret != test.expectedResult {
t.Errorf("test %s expected %v, got %v", test.name, test.expectedResult, ret)
}
}
}
func TestIsSharedFailure(t *testing.T) {
errorTests := []struct {
name string
content string
}{
{
// the first line is too short
name: "too-short-line",
content: `62 0 253:0 / / rw,relatime
76 62 8:1 / /boot rw,relatime shared:29 - ext4 /dev/sda1 rw,seclabel,data=ordered
78 62 0:41 / /tmp rw,nosuid,nodev shared:30 - tmpfs tmpfs rw,seclabel
80 62 0:42 / /var/lib/nfs/rpc_pipefs rw,relatime shared:31 - rpc_pipefs sunrpc rw
227 62 253:0 /var/lib/docker/devicemapper /var/lib/docker/devicemapper rw,relatime - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
224 62 253:0 /var/lib/docker/devicemapper/test/shared /var/lib/docker/devicemapper/test/shared rw,relatime master:1 shared:44 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
`,
},
{
// there is no root mount
name: "no-root-mount",
content: `76 62 8:1 / /boot rw,relatime shared:29 - ext4 /dev/sda1 rw,seclabel,data=ordered
78 62 0:41 / /tmp rw,nosuid,nodev shared:30 - tmpfs tmpfs rw,seclabel
80 62 0:42 / /var/lib/nfs/rpc_pipefs rw,relatime shared:31 - rpc_pipefs sunrpc rw
227 62 253:0 /var/lib/docker/devicemapper /var/lib/docker/devicemapper rw,relatime - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
224 62 253:0 /var/lib/docker/devicemapper/test/shared /var/lib/docker/devicemapper/test/shared rw,relatime master:1 shared:44 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
`,
},
}
for _, test := range errorTests {
tempDir, filename, err := writeFile(test.content)
if err != nil {
t.Fatalf("cannot create temporary file: %v", err)
}
defer os.RemoveAll(tempDir)
_, err = isShared("/", filename)
if err == nil {
t.Errorf("test %q: expected error, got none", test.name)
}
}
}
func TestPathWithinBase(t *testing.T) {
tests := []struct {
name string
fullPath string
basePath string
expected bool
}{
{
name: "good subpath",
fullPath: "/a/b/c",
basePath: "/a",
expected: true,
},
{
name: "good subpath 2",
fullPath: "/a/b/c",
basePath: "/a/b",
expected: true,
},
{
name: "good subpath end slash",
fullPath: "/a/b/c/",
basePath: "/a/b",
expected: true,
},
{
name: "good subpath backticks",
fullPath: "/a/b/../c",
basePath: "/a",
expected: true,
},
{
name: "good subpath equal",
fullPath: "/a/b/c",
basePath: "/a/b/c",
expected: true,
},
{
name: "good subpath equal 2",
fullPath: "/a/b/c/",
basePath: "/a/b/c",
expected: true,
},
{
name: "good subpath root",
fullPath: "/a",
basePath: "/",
expected: true,
},
{
name: "bad subpath parent",
fullPath: "/a/b/c",
basePath: "/a/b/c/d",
expected: false,
},
{
name: "bad subpath outside",
fullPath: "/b/c",
basePath: "/a/b/c",
expected: false,
},
{
name: "bad subpath prefix",
fullPath: "/a/b/cd",
basePath: "/a/b/c",
expected: false,
},
{
name: "bad subpath backticks",
fullPath: "/a/../b",
basePath: "/a",
expected: false,
},
{
name: "configmap subpath",
fullPath: "/var/lib/kubelet/pods/uuid/volumes/kubernetes.io~configmap/config/..timestamp/file.txt",
basePath: "/var/lib/kubelet/pods/uuid/volumes/kubernetes.io~configmap/config",
expected: true,
},
}
for _, test := range tests {
if PathWithinBase(test.fullPath, test.basePath) != test.expected {
t.Errorf("test %q failed: expected %v", test.name, test.expected)
}
}
}
func TestParseMountInfo(t *testing.T) {
info :=
`62 0 253:0 / / rw,relatime shared:1 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
78 62 0:41 / /tmp rw,nosuid,nodev shared:30 - tmpfs tmpfs rw,seclabel
80 62 0:42 / /var/lib/nfs/rpc_pipefs rw,relatime shared:31 - rpc_pipefs sunrpc rw
82 62 0:43 / /var/lib/foo rw,relatime shared:32 - tmpfs tmpfs rw
83 63 0:44 / /var/lib/bar rw,relatime - tmpfs tmpfs rw
227 62 253:0 /var/lib/docker/devicemapper /var/lib/docker/devicemapper rw,relatime - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
224 62 253:0 /var/lib/docker/devicemapper/test/shared /var/lib/docker/devicemapper/test/shared rw,relatime master:1 shared:44 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
76 17 8:1 / /mnt/stateful_partition rw,nosuid,nodev,noexec,relatime - ext4 /dev/sda1 rw,commit=30,data=ordered
80 17 8:1 /var /var rw,nosuid,nodev,noexec,relatime shared:30 - ext4 /dev/sda1 rw,commit=30,data=ordered
189 80 8:1 /var/lib/kubelet /var/lib/kubelet rw,relatime shared:30 - ext4 /dev/sda1 rw,commit=30,data=ordered
818 77 8:40 / /var/lib/kubelet/pods/c25464af-e52e-11e7-ab4d-42010a800002/volumes/kubernetes.io~gce-pd/vol1 rw,relatime shared:290 - ext4 /dev/sdc rw,data=ordered
819 78 8:48 / /var/lib/kubelet/pods/c25464af-e52e-11e7-ab4d-42010a800002/volumes/kubernetes.io~gce-pd/vol1 rw,relatime shared:290 - ext4 /dev/sdd rw,data=ordered
900 100 8:48 /dir1 /var/lib/kubelet/pods/c25464af-e52e-11e7-ab4d-42010a800002/volume-subpaths/vol1/subpath1/0 rw,relatime shared:290 - ext4 /dev/sdd rw,data=ordered
901 101 8:1 /dir1 /var/lib/kubelet/pods/c25464af-e52e-11e7-ab4d-42010a800002/volume-subpaths/vol1/subpath1/1 rw,relatime shared:290 - ext4 /dev/sdd rw,data=ordered
902 102 8:1 /var/lib/kubelet/pods/d4076f24-e53a-11e7-ba15-42010a800002/volumes/kubernetes.io~empty-dir/vol1/dir1 /var/lib/kubelet/pods/d4076f24-e53a-11e7-ba15-42010a800002/volume-subpaths/vol1/subpath1/0 rw,relatime shared:30 - ext4 /dev/sda1 rw,commit=30,data=ordered
903 103 8:1 /var/lib/kubelet/pods/d4076f24-e53a-11e7-ba15-42010a800002/volumes/kubernetes.io~empty-dir/vol2/dir1 /var/lib/kubelet/pods/d4076f24-e53a-11e7-ba15-42010a800002/volume-subpaths/vol1/subpath1/1 rw,relatime shared:30 - ext4 /dev/sda1 rw,commit=30,data=ordered
178 25 253:0 /etc/bar /var/lib/kubelet/pods/12345/volume-subpaths/vol1/subpath1/0 rw,relatime shared:1 - ext4 /dev/sdb2 rw,errors=remount-ro,data=ordered
698 186 0:41 /tmp1/dir1 /var/lib/kubelet/pods/41135147-e697-11e7-9342-42010a800002/volume-subpaths/vol1/subpath1/0 rw shared:26 - tmpfs tmpfs rw
918 77 8:50 / /var/lib/kubelet/pods/2345/volumes/kubernetes.io~gce-pd/vol1 rw,relatime shared:290 - ext4 /dev/sdc rw,data=ordered
919 78 8:58 / /var/lib/kubelet/pods/2345/volumes/kubernetes.io~gce-pd/vol1 rw,relatime shared:290 - ext4 /dev/sdd rw,data=ordered
920 100 8:50 /dir1 /var/lib/kubelet/pods/2345/volume-subpaths/vol1/subpath1/0 rw,relatime shared:290 - ext4 /dev/sdc rw,data=ordered
150 23 1:58 / /media/nfs_vol rw,relatime shared:89 - nfs4 172.18.4.223:/srv/nfs rw,vers=4.0,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.18.4.223,local_lock=none,addr=172.18.4.223
151 24 1:58 / /media/nfs_bindmount rw,relatime shared:89 - nfs4 172.18.4.223:/srv/nfs/foo rw,vers=4.0,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.18.4.223,local_lock=none,addr=172.18.4.223
134 23 0:58 / /var/lib/kubelet/pods/43219158-e5e1-11e7-a392-0e858b8eaf40/volumes/kubernetes.io~nfs/nfs1 rw,relatime shared:89 - nfs4 172.18.4.223:/srv/nfs rw,vers=4.0,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.18.4.223,local_lock=none,addr=172.18.4.223
187 23 0:58 / /var/lib/kubelet/pods/1fc5ea21-eff4-11e7-ac80-0e858b8eaf40/volumes/kubernetes.io~nfs/nfs2 rw,relatime shared:96 - nfs4 172.18.4.223:/srv/nfs2 rw,vers=4.0,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.18.4.223,local_lock=none,addr=172.18.4.223
188 24 0:58 / /var/lib/kubelet/pods/43219158-e5e1-11e7-a392-0e858b8eaf40/volume-subpaths/nfs1/subpath1/0 rw,relatime shared:89 - nfs4 172.18.4.223:/srv/nfs/foo rw,vers=4.0,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.18.4.223,local_lock=none,addr=172.18.4.223
347 60 0:71 / /var/lib/kubelet/pods/13195d46-f9fa-11e7-bbf1-5254007a695a/volumes/kubernetes.io~nfs/vol2 rw,relatime shared:170 - nfs 172.17.0.3:/exports/2 rw,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=172.17.0.3,mountvers=3,mountport=20048,mountproto=udp,local_lock=none,addr=172.17.0.3
222 24 253:0 /tmp/src /mnt/dst rw,relatime shared:1 - ext4 /dev/mapper/vagrant--vg-root rw,errors=remount-ro,data=ordered
28 18 0:24 / /sys/fs/cgroup ro,nosuid,nodev,noexec shared:9 - tmpfs tmpfs ro,mode=755
29 28 0:25 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
31 28 0:27 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,cpuset
32 28 0:28 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,cpu,cpuacct
33 28 0:29 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,freezer
34 28 0:30 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,net_cls,net_prio
35 28 0:31 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,pids
36 28 0:32 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,devices
37 28 0:33 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,hugetlb
38 28 0:34 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:20 - cgroup cgroup rw,blkio
39 28 0:35 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:21 - cgroup cgroup rw,memory
40 28 0:36 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:22 - cgroup cgroup rw,perf_event
`
tempDir, filename, err := writeFile(info)
if err != nil {
t.Fatalf("cannot create temporary file: %v", err)
}
defer os.RemoveAll(tempDir)
tests := []struct {
name string
id int
expectedInfo mountInfo
}{
{
"simple bind mount",
189,
mountInfo{
id: 189,
parentID: 80,
majorMinor: "8:1",
root: "/var/lib/kubelet",
source: "/dev/sda1",
mountPoint: "/var/lib/kubelet",
optionalFields: []string{"shared:30"},
fsType: "ext4",
mountOptions: []string{"rw", "relatime"},
superOptions: []string{"rw", "commit=30", "data=ordered"},
},
},
{
"bind mount a directory",
222,
mountInfo{
id: 222,
parentID: 24,
majorMinor: "253:0",
root: "/tmp/src",
source: "/dev/mapper/vagrant--vg-root",
mountPoint: "/mnt/dst",
optionalFields: []string{"shared:1"},
fsType: "ext4",
mountOptions: []string{"rw", "relatime"},
superOptions: []string{"rw", "errors=remount-ro", "data=ordered"},
},
},
{
"more than one optional fields",
224,
mountInfo{
id: 224,
parentID: 62,
majorMinor: "253:0",
root: "/var/lib/docker/devicemapper/test/shared",
source: "/dev/mapper/ssd-root",
mountPoint: "/var/lib/docker/devicemapper/test/shared",
optionalFields: []string{"master:1", "shared:44"},
fsType: "ext4",
mountOptions: []string{"rw", "relatime"},
superOptions: []string{"rw", "seclabel", "data=ordered"},
},
},
{
"cgroup-mountpoint",
28,
mountInfo{
id: 28,
parentID: 18,
majorMinor: "0:24",
root: "/",
source: "tmpfs",
mountPoint: "/sys/fs/cgroup",
optionalFields: []string{"shared:9"},
fsType: "tmpfs",
mountOptions: []string{"ro", "nosuid", "nodev", "noexec"},
superOptions: []string{"ro", "mode=755"},
},
},
{
"cgroup-subsystem-systemd-mountpoint",
29,
mountInfo{
id: 29,
parentID: 28,
majorMinor: "0:25",
root: "/",
source: "cgroup",
mountPoint: "/sys/fs/cgroup/systemd",
optionalFields: []string{"shared:10"},
fsType: "cgroup",
mountOptions: []string{"rw", "nosuid", "nodev", "noexec", "relatime"},
superOptions: []string{"rw", "xattr", "release_agent=/lib/systemd/systemd-cgroups-agent", "name=systemd"},
},
},
{
"cgroup-subsystem-cpuset-mountpoint",
31,
mountInfo{
id: 31,
parentID: 28,
majorMinor: "0:27",
root: "/",
source: "cgroup",
mountPoint: "/sys/fs/cgroup/cpuset",
optionalFields: []string{"shared:13"},
fsType: "cgroup",
mountOptions: []string{"rw", "nosuid", "nodev", "noexec", "relatime"},
superOptions: []string{"rw", "cpuset"},
},
},
}
infos, err := parseMountInfo(filename)
if err != nil {
t.Fatalf("Cannot parse %s: %s", filename, err)
}
for _, test := range tests {
found := false
for _, info := range infos {
if info.id == test.id {
found = true
if !reflect.DeepEqual(info, test.expectedInfo) {
t.Errorf("Test case %q:\n expected: %+v\n got: %+v", test.name, test.expectedInfo, info)
}
break
}
}
if !found {
t.Errorf("Test case %q: mountPoint %d not found", test.name, test.id)
}
}
}
func TestGetSELinuxSupport(t *testing.T) {
info :=
`62 0 253:0 / / rw,relatime shared:1 - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
78 62 0:41 / /tmp rw,nosuid,nodev shared:30 - tmpfs tmpfs rw,seclabel
83 63 0:44 / /var/lib/bar rw,relatime - tmpfs tmpfs rw
227 62 253:0 /var/lib/docker/devicemapper /var/lib/docker/devicemapper rw,relatime - ext4 /dev/mapper/ssd-root rw,seclabel,data=ordered
150 23 1:58 / /media/nfs_vol rw,relatime shared:89 - nfs4 172.18.4.223:/srv/nfs rw,vers=4.0,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=172.18.4.223,local_lock=none,addr=172.18.4.223
`
tempDir, filename, err := writeFile(info)
if err != nil {
t.Fatalf("cannot create temporary file: %v", err)
}
defer os.RemoveAll(tempDir)
tests := []struct {
name string
mountPoint string
expectedResult bool
}{
{
"ext4 on /",
"/",
true,
},
{
"tmpfs on /var/lib/bar",
"/var/lib/bar",
false,
},
{
"nfsv4",
"/media/nfs_vol",
false,
},
}
for _, test := range tests {
out, err := GetSELinux(test.mountPoint, filename)
if err != nil {
t.Errorf("Test %s failed with error: %s", test.name, err)
}
if test.expectedResult != out {
t.Errorf("Test %s failed: expected %v, got %v", test.name, test.expectedResult, out)
}
}
}
func createSocketFile(socketDir string) (string, error) {
testSocketFile := filepath.Join(socketDir, "mt.sock")
// Switch to volume path and create the socket file
// socket file can not have length of more than 108 character
// and hence we must use relative path
oldDir, _ := os.Getwd()
err := os.Chdir(socketDir)
if err != nil {
return "", err
}
defer func() {
os.Chdir(oldDir)
}()
_, socketCreateError := net.Listen("unix", "mt.sock")
return testSocketFile, socketCreateError
}
func TestGetFileType(t *testing.T) {
hu := NewHostUtil()
testCase := []struct {
name string
expectedType FileType
setUp func() (string, string, error)
}{
{
"Directory Test",
FileTypeDirectory,
func() (string, string, error) {
tempDir, err := ioutil.TempDir("", "test-get-filetype-")
return tempDir, tempDir, err
},
},
{
"File Test",
FileTypeFile,
func() (string, string, error) {
tempFile, err := ioutil.TempFile("", "test-get-filetype")
if err != nil {
return "", "", err
}
tempFile.Close()
return tempFile.Name(), tempFile.Name(), nil
},
},
{
"Socket Test",
FileTypeSocket,
func() (string, string, error) {
tempDir, err := ioutil.TempDir("", "test-get-filetype-")
if err != nil {
return "", "", err
}
tempSocketFile, err := createSocketFile(tempDir)
return tempSocketFile, tempDir, err
},
},
{
"Block Device Test",
FileTypeBlockDev,
func() (string, string, error) {
tempDir, err := ioutil.TempDir("", "test-get-filetype-")
if err != nil {
return "", "", err
}
tempBlockFile := filepath.Join(tempDir, "test_blk_dev")
outputBytes, err := exec.New().Command("mknod", tempBlockFile, "b", "89", "1").CombinedOutput()
if err != nil {
err = fmt.Errorf("%v: %s ", err, outputBytes)
}
return tempBlockFile, tempDir, err
},
},
{
"Character Device Test",
FileTypeCharDev,
func() (string, string, error) {
tempDir, err := ioutil.TempDir("", "test-get-filetype-")
if err != nil {
return "", "", err
}
tempCharFile := filepath.Join(tempDir, "test_char_dev")
outputBytes, err := exec.New().Command("mknod", tempCharFile, "c", "89", "1").CombinedOutput()
if err != nil {
err = fmt.Errorf("%v: %s ", err, outputBytes)
}
return tempCharFile, tempDir, err
},
},
}
for idx, tc := range testCase {
path, cleanUpPath, err := tc.setUp()
if err != nil {
// Locally passed, but upstream CI is not friendly to create such device files
// Leave "Operation not permitted" out, which can be covered in an e2e test
if isOperationNotPermittedError(err) {
continue
}
t.Fatalf("[%d-%s] unexpected error : %v", idx, tc.name, err)
}
if len(cleanUpPath) > 0 {
defer os.RemoveAll(cleanUpPath)
}
fileType, err := hu.GetFileType(path)
if err != nil {
t.Fatalf("[%d-%s] unexpected error : %v", idx, tc.name, err)
}
if fileType != tc.expectedType {
t.Fatalf("[%d-%s] expected %s, but got %s", idx, tc.name, tc.expectedType, fileType)
}
}
}
func isOperationNotPermittedError(err error) bool {
if strings.Contains(err.Error(), "Operation not permitted") {
return true
}
return false
}
func TestSearchMountPoints(t *testing.T) {
base := `
19 25 0:18 / /sys rw,nosuid,nodev,noexec,relatime shared:7 - sysfs sysfs rw
20 25 0:4 / /proc rw,nosuid,nodev,noexec,relatime shared:12 - proc proc rw
21 25 0:6 / /dev rw,nosuid,relatime shared:2 - devtmpfs udev rw,size=4058156k,nr_inodes=1014539,mode=755
22 21 0:14 / /dev/pts rw,nosuid,noexec,relatime shared:3 - devpts devpts rw,gid=5,mode=620,ptmxmode=000
23 25 0:19 / /run rw,nosuid,noexec,relatime shared:5 - tmpfs tmpfs rw,size=815692k,mode=755
25 0 252:0 / / rw,relatime shared:1 - ext4 /dev/mapper/ubuntu--vg-root rw,errors=remount-ro,data=ordered
26 19 0:12 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:8 - securityfs securityfs rw
27 21 0:21 / /dev/shm rw,nosuid,nodev shared:4 - tmpfs tmpfs rw
28 23 0:22 / /run/lock rw,nosuid,nodev,noexec,relatime shared:6 - tmpfs tmpfs rw,size=5120k
29 19 0:23 / /sys/fs/cgroup ro,nosuid,nodev,noexec shared:9 - tmpfs tmpfs ro,mode=755
30 29 0:24 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
31 19 0:25 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:11 - pstore pstore rw
32 29 0:26 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,devices
33 29 0:27 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,freezer
34 29 0:28 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,pids
35 29 0:29 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,blkio
36 29 0:30 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,memory
37 29 0:31 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,perf_event
38 29 0:32 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,hugetlb
39 29 0:33 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:20 - cgroup cgroup rw,cpu,cpuacct
40 29 0:34 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:21 - cgroup cgroup rw,cpuset
41 29 0:35 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime shared:22 - cgroup cgroup rw,net_cls,net_prio
58 25 7:1 / /mnt/disks/blkvol1 rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordere
`
testcases := []struct {
name string
source string
mountInfos string
expectedRefs []string
expectedErr error
}{
{
"dir",
"/mnt/disks/vol1",
base,
nil,
nil,
},
{
"dir-used",
"/mnt/disks/vol1",
base + `
56 25 252:0 /mnt/disks/vol1 /var/lib/kubelet/pods/1890aef5-5a60-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test rw,relatime shared:1 - ext4 /dev/mapper/ubuntu--vg-root rw,errors=remount-ro,data=ordered
57 25 0:45 / /mnt/disks/vol rw,relatime shared:36 - tmpfs tmpfs rw
`,
[]string{"/var/lib/kubelet/pods/1890aef5-5a60-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test"},
nil,
},
{
"tmpfs-vol",
"/mnt/disks/vol1",
base + `120 25 0:76 / /mnt/disks/vol1 rw,relatime shared:41 - tmpfs vol1 rw,size=10000k
`,
nil,
nil,
},
{
"tmpfs-vol-used-by-two-pods",
"/mnt/disks/vol1",
base + `120 25 0:76 / /mnt/disks/vol1 rw,relatime shared:41 - tmpfs vol1 rw,size=10000k
196 25 0:76 / /var/lib/kubelet/pods/ade3ac21-5a5b-11e8-8559-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-8f263585 rw,relatime shared:41 - tmpfs vol1 rw,size=10000k
228 25 0:76 / /var/lib/kubelet/pods/ac60532d-5a5b-11e8-8559-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-8f263585 rw,relatime shared:41 - tmpfs vol1 rw,size=10000k
`,
[]string{
"/var/lib/kubelet/pods/ade3ac21-5a5b-11e8-8559-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-8f263585",
"/var/lib/kubelet/pods/ac60532d-5a5b-11e8-8559-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-8f263585",
},
nil,
},
{
"tmpfs-subdir-used-indirectly-via-bindmount-dir-by-one-pod",
"/mnt/vol1/foo",
base + `177 25 0:46 / /mnt/data rw,relatime shared:37 - tmpfs data rw
190 25 0:46 /vol1 /mnt/vol1 rw,relatime shared:37 - tmpfs data rw
191 25 0:46 /vol2 /mnt/vol2 rw,relatime shared:37 - tmpfs data rw
62 25 0:46 /vol1/foo /var/lib/kubelet/pods/e25f2f01-5b06-11e8-8694-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test rw,relatime shared:37 - tmpfs data rw
`,
[]string{"/var/lib/kubelet/pods/e25f2f01-5b06-11e8-8694-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test"},
nil,
},
{
"dir-bindmounted",
"/mnt/disks/vol2",
base + `342 25 252:0 /mnt/disks/vol2 /mnt/disks/vol2 rw,relatime shared:1 - ext4 /dev/mapper/ubuntu--vg-root rw,errors=remount-ro,data=ordered
`,
nil,
nil,
},
{
"dir-bindmounted-used-by-one-pod",
"/mnt/disks/vol2",
base + `342 25 252:0 /mnt/disks/vol2 /mnt/disks/vol2 rw,relatime shared:1 - ext4 /dev/mapper/ubuntu--vg-root rw,errors=remount-ro,data=ordered
77 25 252:0 /mnt/disks/vol2 /var/lib/kubelet/pods/f30dc360-5a5d-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-1fb30a1c rw,relatime shared:1 - ext4 /dev/mapper/ubuntu--vg-root rw,errors=remount-ro,data=ordered
`,
[]string{"/var/lib/kubelet/pods/f30dc360-5a5d-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-1fb30a1c"},
nil,
},
{
"blockfs",
"/mnt/disks/blkvol1",
base + `58 25 7:1 / /mnt/disks/blkvol1 rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordered
`,
nil,
nil,
},
{
"blockfs-used-by-one-pod",
"/mnt/disks/blkvol1",
base + `58 25 7:1 / /mnt/disks/blkvol1 rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordered
62 25 7:1 / /var/lib/kubelet/pods/f19fe4e2-5a63-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordered
`,
[]string{"/var/lib/kubelet/pods/f19fe4e2-5a63-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test"},
nil,
},
{
"blockfs-used-by-two-pods",
"/mnt/disks/blkvol1",
base + `58 25 7:1 / /mnt/disks/blkvol1 rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordered
62 25 7:1 / /var/lib/kubelet/pods/f19fe4e2-5a63-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordered
95 25 7:1 / /var/lib/kubelet/pods/4854a48b-5a64-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test rw,relatime shared:38 - ext4 /dev/loop1 rw,data=ordered
`,
[]string{"/var/lib/kubelet/pods/f19fe4e2-5a63-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test",
"/var/lib/kubelet/pods/4854a48b-5a64-11e8-962f-000c29bb0377/volumes/kubernetes.io~local-volume/local-pv-test"},
nil,
},
}
tmpFile, err := ioutil.TempFile("", "test-get-filetype")
if err != nil {
t.Fatal(err)
}
defer os.Remove(tmpFile.Name())
defer tmpFile.Close()
for _, v := range testcases {
tmpFile.Truncate(0)
tmpFile.Seek(0, 0)
tmpFile.WriteString(v.mountInfos)
tmpFile.Sync()
refs, err := SearchMountPoints(v.source, tmpFile.Name())
if !reflect.DeepEqual(refs, v.expectedRefs) {
t.Errorf("test %q: expected Refs: %#v, got %#v", v.name, v.expectedRefs, refs)
}
if !reflect.DeepEqual(err, v.expectedErr) {
t.Errorf("test %q: expected err: %v, got %v", v.name, v.expectedErr, err)
}
}
}

424
pkg/util/mount/hostutil/mount_windows_test.go Normal file
View File

@@ -0,0 +1,424 @@
// +build windows
/*
Copyright 2017 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 mount
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestNormalizeWindowsPath(t *testing.T) {
path := `/var/lib/kubelet/pods/146f8428-83e7-11e7-8dd4-000d3a31dac4/volumes/kubernetes.io~azure-disk`
normalizedPath := normalizeWindowsPath(path)
if normalizedPath != `c:\var\lib\kubelet\pods\146f8428-83e7-11e7-8dd4-000d3a31dac4\volumes\kubernetes.io~azure-disk` {
t.Errorf("normizeWindowsPath test failed, normalizedPath : %q", normalizedPath)
}
path = `/var/lib/kubelet/pods/146f8428-83e7-11e7-8dd4-000d3a31dac4\volumes\kubernetes.io~azure-disk`
normalizedPath = normalizeWindowsPath(path)
if normalizedPath != `c:\var\lib\kubelet\pods\146f8428-83e7-11e7-8dd4-000d3a31dac4\volumes\kubernetes.io~azure-disk` {
t.Errorf("normizeWindowsPath test failed, normalizedPath : %q", normalizedPath)
}
path = `/`
normalizedPath = normalizeWindowsPath(path)
if normalizedPath != `c:\` {
t.Errorf("normizeWindowsPath test failed, normalizedPath : %q", normalizedPath)
}
}
func TestValidateDiskNumber(t *testing.T) {
diskNum := "0"
if err := ValidateDiskNumber(diskNum); err != nil {
t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
}
diskNum = "99"
if err := ValidateDiskNumber(diskNum); err != nil {
t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
}
diskNum = "ab"
if err := ValidateDiskNumber(diskNum); err == nil {
t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
}
diskNum = "100"
if err := ValidateDiskNumber(diskNum); err == nil {
t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
}
}
func makeLink(link, target string) error {
if output, err := exec.Command("cmd", "/c", "mklink", "/D", link, target).CombinedOutput(); err != nil {
return fmt.Errorf("mklink failed: %v, link(%q) target(%q) output: %q", err, link, target, string(output))
}
return nil
}
func removeLink(link string) error {
if output, err := exec.Command("cmd", "/c", "rmdir", link).CombinedOutput(); err != nil {
return fmt.Errorf("rmdir failed: %v, output: %q", err, string(output))
}
return nil
}
func setEquivalent(set1, set2 []string) bool {
map1 := make(map[string]bool)
map2 := make(map[string]bool)
for _, s := range set1 {
map1[s] = true
}
for _, s := range set2 {
map2[s] = true
}
for s := range map1 {
if !map2[s] {
return false
}
}
for s := range map2 {
if !map1[s] {
return false
}
}
return true
}
// this func must run in admin mode, otherwise it will fail
func TestGetMountRefs(t *testing.T) {
tests := []struct {
mountPath string
expectedRefs []string
}{
{
mountPath: `c:\windows`,
expectedRefs: []string{`c:\windows`},
},
{
mountPath: `c:\doesnotexist`,
expectedRefs: []string{},
},
}
mounter := Mounter{"fake/path"}
for _, test := range tests {
if refs, err := mounter.GetMountRefs(test.mountPath); err != nil || !setEquivalent(test.expectedRefs, refs) {
t.Errorf("getMountRefs(%q) = %v, error: %v; expected %v", test.mountPath, refs, err, test.expectedRefs)
}
}
}
func TestPathWithinBase(t *testing.T) {
tests := []struct {
fullPath string
basePath string
expectedResult bool
}{
{
fullPath: `c:\tmp\a\b\c`,
basePath: `c:\tmp`,
expectedResult: true,
},
{
fullPath: `c:\tmp1`,
basePath: `c:\tmp2`,
expectedResult: false,
},
{
fullPath: `c:\tmp`,
basePath: `c:\tmp`,
expectedResult: true,
},
{
fullPath: `c:\tmp`,
basePath: `c:\tmp\a\b\c`,
expectedResult: false,
},
{
fullPath: `c:\kubelet\pods\uuid\volumes\kubernetes.io~configmap\config\..timestamp\file.txt`,
basePath: `c:\kubelet\pods\uuid\volumes\kubernetes.io~configmap\config`,
expectedResult: true,
},
}
for _, test := range tests {
result := PathWithinBase(test.fullPath, test.basePath)
assert.Equal(t, result, test.expectedResult, "Expect result not equal with PathWithinBase(%s, %s) return: %q, expected: %q",
test.fullPath, test.basePath, result, test.expectedResult)
}
}
func TestGetFileType(t *testing.T) {
hu := NewHostUtil()
testCase := []struct {
name string
expectedType FileType
setUp func() (string, string, error)
}{
{
"Directory Test",
FileTypeDirectory,
func() (string, string, error) {
tempDir, err := ioutil.TempDir("", "test-get-filetype-")
return tempDir, tempDir, err
},
},
{
"File Test",
FileTypeFile,
func() (string, string, error) {
tempFile, err := ioutil.TempFile("", "test-get-filetype")
if err != nil {
return "", "", err
}
tempFile.Close()
return tempFile.Name(), tempFile.Name(), nil
},
},
}
for idx, tc := range testCase {
path, cleanUpPath, err := tc.setUp()
if err != nil {
t.Fatalf("[%d-%s] unexpected error : %v", idx, tc.name, err)
}
if len(cleanUpPath) > 0 {
defer os.RemoveAll(cleanUpPath)
}
fileType, err := hu.GetFileType(path)
if err != nil {
t.Fatalf("[%d-%s] unexpected error : %v", idx, tc.name, err)
}
if fileType != tc.expectedType {
t.Fatalf("[%d-%s] expected %s, but got %s", idx, tc.name, tc.expectedType, fileType)
}
}
}
func TestIsLikelyNotMountPoint(t *testing.T) {
mounter := Mounter{"fake/path"}
tests := []struct {
fileName string
targetLinkName string
setUp func(base, fileName, targetLinkName string) error
expectedResult bool
expectError bool
}{
{
"Dir",
"",
func(base, fileName, targetLinkName string) error {
return os.Mkdir(filepath.Join(base, fileName), 0750)
},
true,
false,
},
{
"InvalidDir",
"",
func(base, fileName, targetLinkName string) error {
return nil
},
true,
true,
},
{
"ValidSymLink",
"targetSymLink",
func(base, fileName, targetLinkName string) error {
targeLinkPath := filepath.Join(base, targetLinkName)
if err := os.Mkdir(targeLinkPath, 0750); err != nil {
return err
}
filePath := filepath.Join(base, fileName)
if err := makeLink(filePath, targeLinkPath); err != nil {
return err
}
return nil
},
false,
false,
},
{
"InvalidSymLink",
"targetSymLink2",
func(base, fileName, targetLinkName string) error {
targeLinkPath := filepath.Join(base, targetLinkName)
if err := os.Mkdir(targeLinkPath, 0750); err != nil {
return err
}
filePath := filepath.Join(base, fileName)
if err := makeLink(filePath, targeLinkPath); err != nil {
return err
}
return removeLink(targeLinkPath)
},
true,
false,
},
}
for _, test := range tests {
base, err := ioutil.TempDir("", test.fileName)
if err != nil {
t.Fatalf(err.Error())
}
defer os.RemoveAll(base)
if err := test.setUp(base, test.fileName, test.targetLinkName); err != nil {
t.Fatalf("unexpected error in setUp(%s, %s): %v", test.fileName, test.targetLinkName, err)
}
filePath := filepath.Join(base, test.fileName)
result, err := mounter.IsLikelyNotMountPoint(filePath)
assert.Equal(t, result, test.expectedResult, "Expect result not equal with IsLikelyNotMountPoint(%s) return: %q, expected: %q",
filePath, result, test.expectedResult)
if test.expectError {
assert.NotNil(t, err, "Expect error during IsLikelyNotMountPoint(%s)", filePath)
} else {
assert.Nil(t, err, "Expect error is nil during IsLikelyNotMountPoint(%s)", filePath)
}
}
}
func TestFormatAndMount(t *testing.T) {
fakeMounter := ErrorMounter{&FakeMounter{}, 0, nil}
execCallback := func(cmd string, args ...string) ([]byte, error) {
for j := range args {
if strings.Contains(args[j], "Get-Disk -Number") {
return []byte("0"), nil
}
if strings.Contains(args[j], "Get-Partition -DiskNumber") {
return []byte("0"), nil
}
if strings.Contains(args[j], "mklink") {
return nil, nil
}
}
return nil, fmt.Errorf("Unexpected cmd %s, args %v", cmd, args)
}
fakeExec := NewFakeExec(execCallback)
mounter := SafeFormatAndMount{
Interface: &fakeMounter,
Exec: fakeExec,
}
tests := []struct {
device string
target string
fstype string
mountOptions []string
expectError bool
}{
{
"0",
"disk",
"NTFS",
[]string{},
false,
},
{
"0",
"disk",
"",
[]string{},
false,
},
{
"invalidDevice",
"disk",
"NTFS",
[]string{},
true,
},
}
for _, test := range tests {
base, err := ioutil.TempDir("", test.device)
if err != nil {
t.Fatalf(err.Error())
}
defer os.RemoveAll(base)
target := filepath.Join(base, test.target)
err = mounter.FormatAndMount(test.device, target, test.fstype, test.mountOptions)
if test.expectError {
assert.NotNil(t, err, "Expect error during FormatAndMount(%s, %s, %s, %v)", test.device, test.target, test.fstype, test.mountOptions)
} else {
assert.Nil(t, err, "Expect error is nil during FormatAndMount(%s, %s, %s, %v)", test.device, test.target, test.fstype, test.mountOptions)
}
}
}
func TestNewSMBMapping(t *testing.T) {
tests := []struct {
username string
password string
remotepath string
expectError bool
}{
{
"",
"password",
`\\remotepath`,
true,
},
{
"username",
"",
`\\remotepath`,
true,
},
{
"username",
"password",
"",
true,
},
}
for _, test := range tests {
_, err := newSMBMapping(test.username, test.password, test.remotepath)
if test.expectError {
assert.NotNil(t, err, "Expect error during newSMBMapping(%s, %s, %s, %v)", test.username, test.password, test.remotepath)
} else {
assert.Nil(t, err, "Expect error is nil during newSMBMapping(%s, %s, %s, %v)", test.username, test.password, test.remotepath)
}
}
}