def unlink(request, devicetype, basepath):
device = None
for d in devices():
if d.get('basepath') == basepath:
device = d
if not device:
raise Exception('No device with basepath %s.' % basepath)
ddrstorage.unlink()
_unmount_common(request)
if os.path.exists(settings.MEDIA_BASE):
return 'err','Device %s could not be unlinked.' % device['label']
return 'ok','Device %s has been unlinked.' % device['label']
def mount_hdd( request, device ):
"""
@param request: Django request object; used to access session.
@param mount_path: Absolute path to mounted device; "/ddr" will be appended.
"""
logger.debug('mount_hdd(%s, %s)' % (device['mountpath'], device['label']))
logger.debug('device: %s' % device)
ddrstorage.unlink()
ddrstorage.link(device['mountpath'])
_mount_common(request, device['devicefile'], device['label'], device['mountpath'])
MB = settings.MEDIA_BASE
if os.path.exists(MB) and os.path.islink(MB) and os.access(MB,os.W_OK):
messages.success(request, '<strong>%s</strong> is now the active device.' % device['mountpath'])
else:
messages.error(request, 'Could not make <strong>%s</strong> the active device.' % device['mountpath'])
return device['mountpath']
def unmount_usb(request, device):
"""Removes /var/www/ddr/media symlink, unmounts requested device, gives feedback.
@param request: Django request object; used to access session.
@param device: dict containing device info. See DDR.storage.devices.
"""
logger.debug('unmount(%s, %s)' % (device['devicefile'], device['label']))
unmounted = ddrstorage.umount(device['devicefile'])
logger.debug('unmounted: %s' % unmounted)
ddrstorage.unlink()
_unmount_common(request)
if unmounted:
msg = STORAGE_MESSAGES['UNMOUNT_SUCCESS'].format(device['label'])
messages.success(request, msg)
elif unmounted == False:
msg = STORAGE_MESSAGES['UNMOUNT_FAIL_1'].format(
device['devicefile'], device['label'], stat, mounted)
messages.warning(request, msg)
else:
msg = STORAGE_MESSAGES['UNMOUNT_FAIL'].format(
devicefile, label, stat, mounted)
messages.error(request, msg)
return unmounted
def mount_usb( request, device ):
"""Mounts requested device, adds /var/www/ddr/media symlink, gives feedback.
"""
logger.debug('mount_usb(devicefile=%s, label=%s)' % (device['devicefile'], device['label']))
logger.debug('device: %s' % device)
mount_path = ddrstorage.mount(device['devicefile'], device['label'])
logger.debug('mount_path: %s' % mount_path)
if mount_path:
ddrstorage.unlink()
if device.get('mountpath'):
ddrstorage.link(device['mountpath'])
_mount_common(request, device['devicefile'], device['label'], device['mountpath'])
msg = STORAGE_MESSAGES['MOUNT_SUCCESS'].format(device['label'])
messages.success(request, msg)
elif mount_path == False:
msg = STORAGE_MESSAGES['MOUNT_FAIL_PATH'].format(
device['devicefile'], device['label'], stat, mount_path)
messages.warning(request, msg)
else:
msg = STORAGE_MESSAGES['MOUNT_FAIL'].format(
device['devicefile'], device['label'], stat, mount_path)
messages.error(request, msg)
return mount_path
