func (s *TestSuite) SetUpTest(c *C) {
s.driver = nil
err := exec.Command("mkdir", "-p", devCfgRoot).Run()
c.Assert(err, IsNil)
err = exec.Command("mkdir", "-p", devDataRoot).Run()
c.Assert(err, IsNil)
s.dataFile = filepath.Join(devDataRoot, dataFile)
s.metadataFile = filepath.Join(devDataRoot, metadataFile)
err = exec.Command("truncate", "-s", strconv.Itoa(dataSize), s.dataFile).Run()
c.Assert(err, IsNil)
err = exec.Command("truncate", "-s", strconv.Itoa(metadataSize), s.metadataFile).Run()
c.Assert(err, IsNil)
s.dataDev, err = util.AttachLoopbackDevice(s.dataFile, false)
c.Assert(err, IsNil)
s.metadataDev, err = util.AttachLoopbackDevice(s.metadataFile, false)
c.Assert(err, IsNil)
s.initDriver(c)
}
func (s *TestSuite) SetUpSuite(c *C) {
logrus.SetLevel(logrus.DebugLevel)
logrus.SetOutput(os.Stderr)
var err error
err = exec.Command("mkdir", "-p", devRoot).Run()
c.Assert(err, IsNil)
err = exec.Command("mkdir", "-p", devMount).Run()
c.Assert(err, IsNil)
// Prepare base image
s.imageFile = filepath.Join(devRoot, imageFile)
err = exec.Command("truncate", "-s", strconv.Itoa(volumeSize), s.imageFile).Run()
c.Assert(err, IsNil)
tmpDev, err := util.AttachLoopbackDevice(s.imageFile, false)
c.Assert(err, IsNil)
err = exec.Command("mkfs", "-t", "ext4", tmpDev).Run()
c.Assert(err, IsNil)
err = exec.Command("mount", tmpDev, devMount).Run()
c.Assert(err, IsNil)
err = exec.Command("touch", filepath.Join(devMount, imageTestFile)).Run()
c.Assert(err, IsNil)
err = exec.Command("umount", devMount).Run()
c.Assert(err, IsNil)
err = util.DetachLoopbackDevice(s.imageFile, tmpDev)
c.Assert(err, IsNil)
}
func (d *Driver) ActivateImage(imageUUID, imageFile string) error {
image := d.loadImage(imageUUID)
if image != nil {
return generateError(logrus.Fields{
LOG_FIELD_IMAGE: imageUUID,
}, "Image already activated")
}
st, err := os.Stat(imageFile)
if err != nil || st.IsDir() {
return err
}
log.WithFields(logrus.Fields{
LOG_FIELD_REASON: LOG_REASON_START,
LOG_FIELD_EVENT: LOG_EVENT_ACTIVATE,
LOG_FIELD_OBJECT: LOG_OBJECT_IMAGE,
LOG_FIELD_IMAGE: imageUUID,
LOG_FIELD_IMAGE_FILE: imageFile,
}).Debug()
loopDev, err := util.AttachLoopbackDevice(imageFile, true)
if err != nil {
return err
}
image = &Image{
UUID: imageUUID,
Size: st.Size(),
FilePath: imageFile,
Device: loopDev,
VolumeRef: make(map[string]bool),
}
if err := d.saveImage(image); err != nil {
return err
}
return nil
}