def get_volumes(cls, sr):
cfg = ConfigHelper._get_config()
sr_key = urlparse.urlparse(sr).path[1:]
kv = linstor.KV(XENKV,
namespace=os.path.join(SRNS, sr_key),
uri=cfg.controller)
return [json.dumps(v) for v in kv.values()]
def get_volume(cls, sr, vol_key):
cfg = ConfigHelper._get_config()
sr_key = urlparse.urlparse(sr).path[1:]
kv = linstor.KV(XENKV,
namespace=os.path.join(SRNS, sr_key),
uri=cfg.controller)
return json.loads(kv[vol_key])
def delete_volume(cls, sr, vol_meta):
vol_key = vol_meta['key']
sr_key = urlparse.urlparse(sr).path[1:]
cfg = ConfigHelper._get_config()
kv = linstor.KV(XENKV,
namespace=os.path.join(SRNS, sr_key),
uri=cfg.controller)
del (kv[vol_key])
def delete_stat(cls, sr, namespace=SRNS):
key = urlparse.urlparse(sr).path[1:]
cfg = ConfigHelper._get_config()
kv = linstor.KV(XENKV, namespace=namespace, uri=cfg.controller)
try:
del (kv[key])
except KeyError:
# assume it is already gone
pass
def read_stat(cls, sr):
key = urlparse.urlparse(sr).path[1:]
cfg = ConfigHelper._get_config()
kv = linstor.KV(XENKV, namespace=SRNS, uri=cfg.controller)
stat = {}
try:
stat = json.loads(kv[key])
except KeyError:
pass
return stat
def write_stat(cls, meta, namespace=SRNS):
key = meta['key']
cfg = ConfigHelper._get_config()
kv = linstor.KV(XENKV, namespace=namespace, uri=cfg.controller)
kv[key] = json.dumps(meta)