ceph/src/pybind/mgr/dashboard/rbd_iscsi.py

   1
   2 import rados
   3 import rbd
   4 from remote_view_cache import RemoteViewCache
   5
   6 SERVICE_TYPE = 'tcmu-runner'
   7
   8 class DaemonsAndImages(RemoteViewCache):
   9     def _get(self):
  10         daemons = {}
  11         images = {}
  12         for server in self._module.list_servers():
  13             for service in server['services']:
  14                 if service['type'] == SERVICE_TYPE:
  15                     metadata = self._module.get_metadata(SERVICE_TYPE,
  16                                                          service['id'])
  17                     status = self._module.get_daemon_status(SERVICE_TYPE,
  18                                                             service['id'])
  19
  20                     daemon = daemons.get(server['hostname'], None)
  21                     if daemon is None:
  22                         daemon = {
  23                             'server_hostname': server['hostname'],
  24                             'version': metadata['ceph_version'],
  25                             'optimized_paths': 0,
  26                             'non_optimized_paths': 0
  27                         }
  28                         daemons[server['hostname']] = daemon
  29
  30                     image = images.get(service['id'])
  31                     if image is None:
  32                         image = {
  33                             'id': service['id'],
  34                             'pool_name': metadata['pool_name'],
  35                             'name': metadata['image_name'],
  36                             'optimized_paths': [],
  37                             'non_optimized_paths': []
  38                         }
  39                         if status.get('lock_owner', 'false') == 'true':
  40                             daemon['optimized_paths'] += 1
  41                             image['optimized_paths'].append(server['hostname'])
  42                         else:
  43                             daemon['non_optimized_paths'] += 1
  44                             image['non_optimized_paths'].append(server['hostname'])
  45                         images[service['id']] = image
  46
  47         return {
  48             'daemons': [daemons[k] for k in sorted(daemons, key=daemons.get)],
  49             'images': [images[k] for k in sorted(images, key=images.get)]
  50         }
  51
  52 class Controller:
  53     def __init__(self, module_inst):
  54         self.content_data = DaemonsAndImages(module_inst)