def warn_about_low_disk_space(request):
"""Warn about insufficient space on root partition."""
if not is_user_admin(request, cached=True):
return
disks = storage.get_disks()
list_root = [disk for disk in disks if disk['mountpoint'] == '/']
if not list_root:
logger.error('Error getting information about root partition.')
return
percent_used = list_root[0]['percent_used']
size_bytes = list_root[0]['size']
free_bytes = list_root[0]['free']
free_gib = free_bytes / (1024**3)
message = format_lazy(
# Translators: xgettext:no-python-format
_('Warning: Low space on system partition ({percent_used}% used, '
'{free_space} free).'),
percent_used=percent_used,
free_space=storage.format_bytes(free_bytes))
if percent_used > 90 or free_gib < 1:
messages.error(request, message)
elif percent_used > 75 or free_gib < 2:
messages.warning(request, message)
def warn_about_low_disk_space(request):
"""Warn about insufficient space on root partition."""
if not is_user_admin(request, cached=True):
return
disks = storage.get_disks()
list_root = [disk for disk in disks if disk['mountpoint'] == '/']
if not list_root:
logger.error('Error getting information about root partition.')
return
percent_used = list_root[0]['percent_used']
size_bytes = list_root[0]['size']
free_bytes = list_root[0]['free']
free_gib = free_bytes / (1024 ** 3)
message = format_lazy(
# Translators: xgettext:no-python-format
_('Warning: Low space on system partition ({percent_used}% used, '
'{free_space} free).'),
percent_used=percent_used,
free_space=storage.format_bytes(free_bytes))
if percent_used > 90 or free_gib < 1:
messages.error(request, message)
elif percent_used > 75 or free_gib < 2:
messages.warning(request, message)
def get_context_data(self, *args, **kwargs):
"""Return template context data."""
context = super().get_context_data(*args, **kwargs)
disks = storage.get_disks()
root_device = storage.get_root_device(disks)
expandable_root_size = storage.is_expandable(root_device)
expandable_root_size = storage.format_bytes(expandable_root_size)
context['disks'] = disks
context['expandable_root_size'] = expandable_root_size
return context
def index(request):
"""Show connection list."""
disks = storage.get_disks()
root_device = storage.get_root_device(disks)
expandable_root_size = storage.is_expandable(root_device)
expandable_root_size = storage.format_bytes(expandable_root_size)
warn_about_low_disk_space(request)
return TemplateResponse(request, 'storage.html',
{'title': _('Storage'),
'disks': disks,
'expandable_root_size': expandable_root_size})
def expand(request):
"""Warn and expand the root partition."""
disks = storage.get_disks()
root_device = storage.get_root_device(disks)
if request.method == 'POST':
expand_partition(request, root_device)
return redirect(reverse('storage:index'))
expandable_root_size = storage.is_expandable(root_device)
expandable_root_size = storage.format_bytes(expandable_root_size)
return TemplateResponse(request, 'storage_expand.html',
{'title': _('Expand Root Partition'),
'expandable_root_size': expandable_root_size})
def index(request):
"""Show connection list."""
disks = storage.get_disks()
root_device = storage.get_root_device(disks)
expandable_root_size = storage.is_expandable(root_device)
expandable_root_size = storage.format_bytes(expandable_root_size)
warn_about_low_disk_space(request)
return TemplateResponse(
request, 'storage.html', {
'title': _('Storage'),
'disks': disks,
'expandable_root_size': expandable_root_size
})
def expand(request):
"""Warn and expand the root partition."""
disks = storage.get_disks()
root_device = storage.get_root_device(disks)
if request.method == 'POST':
expand_partition(request, root_device)
return redirect(reverse('storage:index'))
expandable_root_size = storage.is_expandable(root_device)
expandable_root_size = storage.format_bytes(expandable_root_size)
return TemplateResponse(
request, 'storage_expand.html', {
'title': _('Expand Root Partition'),
'expandable_root_size': expandable_root_size
})
def get_context_data(self, **kwargs):
"""Return additional context for rendering the template."""
context = super().get_context_data(**kwargs)
context['title'] = _('Upload and restore a backup')
try:
mount_info = storage.get_mount_info('/')
except PlinthError as exception:
logger.exception(
'Error getting information about root partition: %s',
exception)
else:
# The maximum file size that can be uploaded and restored is at
# most half of the available disk space:
# - Django stores uploaded files that do not fit into memory to
# disk (/tmp/). These are only copied by form_valid() after
# the upload is finished.
# - For restoring it's highly advisable to have at least as much
# free disk space as the file size.
context['max_filesize'] = storage.format_bytes(
mount_info['free_bytes'] / 2)
return context
