go-ceph/cephfs/cephfs_test.go
John Mulligan c433abf787 cephfs: allow creating mount with an id
The ceph api function supports passing a string to identify the
client doing the mount. Expose that aspect of the api with a
new function CreateMountWithId.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
2020-01-28 08:52:51 +01:00

239 lines
5.1 KiB
Go

package cephfs
import (
"fmt"
"os"
"syscall"
"testing"
"time"
"github.com/ceph/go-ceph/rados"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
CephMountTest = "/tmp/ceph/mds/mnt/"
)
func TestCreateMount(t *testing.T) {
mount := fsConnect(t)
mount, err := CreateMount()
assert.NoError(t, err)
assert.NotNil(t, mount)
}
func fsConnect(t *testing.T) *MountInfo {
mount, err := CreateMount()
require.NoError(t, err)
require.NotNil(t, mount)
err = mount.ReadDefaultConfigFile()
require.NoError(t, err)
timeout := time.After(time.Second * 5)
ch := make(chan error)
go func(mount *MountInfo) {
ch <- mount.Mount()
}(mount)
select {
case err = <-ch:
case <-timeout:
err = fmt.Errorf("timed out waiting for connect")
}
require.NoError(t, err)
return mount
}
func TestMountRoot(t *testing.T) {
fsConnect(t)
}
func TestSyncFs(t *testing.T) {
mount := fsConnect(t)
err := mount.SyncFs()
assert.NoError(t, err)
}
func TestChangeDir(t *testing.T) {
mount := fsConnect(t)
dir1 := mount.CurrentDir()
assert.NotNil(t, dir1)
err := mount.MakeDir("/asdf", 0755)
assert.NoError(t, err)
err = mount.ChangeDir("/asdf")
assert.NoError(t, err)
dir2 := mount.CurrentDir()
assert.NotNil(t, dir2)
assert.NotEqual(t, dir1, dir2)
assert.Equal(t, dir1, "/")
assert.Equal(t, dir2, "/asdf")
}
func TestRemoveDir(t *testing.T) {
dirname := "one"
mount := fsConnect(t)
err := mount.MakeDir(dirname, 0755)
assert.NoError(t, err)
err = mount.SyncFs()
assert.NoError(t, err)
// os.Stat the actual mounted location to verify Makedir/RemoveDir
_, err = os.Stat(CephMountTest + dirname)
assert.NoError(t, err)
err = mount.RemoveDir(dirname)
assert.NoError(t, err)
_, err = os.Stat(CephMountTest + dirname)
assert.EqualError(t, err,
fmt.Sprintf("stat %s: no such file or directory", CephMountTest+dirname))
}
func TestUnmountMount(t *testing.T) {
t.Run("neverMounted", func(t *testing.T) {
mount, err := CreateMount()
require.NoError(t, err)
require.NotNil(t, mount)
assert.False(t, mount.IsMounted())
})
t.Run("mountUnmount", func(t *testing.T) {
mount := fsConnect(t)
assert.True(t, mount.IsMounted())
err := mount.Unmount()
assert.NoError(t, err)
assert.False(t, mount.IsMounted())
})
}
func TestReleaseMount(t *testing.T) {
mount, err := CreateMount()
assert.NoError(t, err)
require.NotNil(t, mount)
err = mount.Release()
assert.NoError(t, err)
}
func TestChmodDir(t *testing.T) {
dirname := "two"
var stats_before uint32 = 0755
var stats_after uint32 = 0700
mount := fsConnect(t)
err := mount.MakeDir(dirname, stats_before)
assert.NoError(t, err)
err = mount.SyncFs()
assert.NoError(t, err)
// os.Stat the actual mounted location to verify Makedir/RemoveDir
stats, err := os.Stat(CephMountTest + dirname)
require.NoError(t, err)
assert.Equal(t, uint32(stats.Mode().Perm()), stats_before)
err = mount.Chmod(dirname, stats_after)
assert.NoError(t, err)
stats, err = os.Stat(CephMountTest + dirname)
assert.Equal(t, uint32(stats.Mode().Perm()), stats_after)
}
// Not cross-platform, go's os does not specifiy Sys return type
func TestChown(t *testing.T) {
dirname := "three"
// dockerfile creates bob user account
var bob uint32 = 1010
var root uint32
mount := fsConnect(t)
err := mount.MakeDir(dirname, 0755)
assert.NoError(t, err)
err = mount.SyncFs()
assert.NoError(t, err)
// os.Stat the actual mounted location to verify Makedir/RemoveDir
stats, err := os.Stat(CephMountTest + dirname)
require.NoError(t, err)
assert.Equal(t, uint32(stats.Sys().(*syscall.Stat_t).Uid), root)
assert.Equal(t, uint32(stats.Sys().(*syscall.Stat_t).Gid), root)
err = mount.Chown(dirname, bob, bob)
assert.NoError(t, err)
stats, err = os.Stat(CephMountTest + dirname)
assert.NoError(t, err)
assert.Equal(t, uint32(stats.Sys().(*syscall.Stat_t).Uid), bob)
assert.Equal(t, uint32(stats.Sys().(*syscall.Stat_t).Gid), bob)
}
func TestCephFSError(t *testing.T) {
err := getError(0)
assert.NoError(t, err)
err = getError(-5) // IO error
assert.Error(t, err)
assert.Equal(t, err.Error(), "cephfs: ret=5, Input/output error")
err = getError(345) // no such errno
assert.Error(t, err)
assert.Equal(t, err.Error(), "cephfs: ret=345")
}
func radosConnect(t *testing.T) *rados.Conn {
conn, err := rados.NewConn()
require.NoError(t, err)
err = conn.ReadDefaultConfigFile()
require.NoError(t, err)
timeout := time.After(time.Second * 5)
ch := make(chan error)
go func(conn *rados.Conn) {
ch <- conn.Connect()
}(conn)
select {
case err = <-ch:
case <-timeout:
err = fmt.Errorf("timed out waiting for connect")
}
require.NoError(t, err)
return conn
}
func TestCreateFromRados(t *testing.T) {
conn := radosConnect(t)
mount, err := CreateFromRados(conn)
assert.NoError(t, err)
assert.NotNil(t, mount)
}
func TestCreateMountWithId(t *testing.T) {
// TODO: the entity_id is visible w/in the 'session ls' output
// of mds. Consider running the equivalent api call and checking
// that the string is set.
mount, err := CreateMountWithId("bob")
assert.NoError(t, err)
assert.NotNil(t, mount)
err = mount.ReadDefaultConfigFile()
assert.NoError(t, err)
err = mount.Mount()
assert.NoError(t, err)
}