def getVmVolumeInfo(self):
"""
Send info to represent Gluster volume as a network block device
"""
rpath = sdCache.produce(self.sdUUID).getRealPath()
volfileServer, volname = rpath.rsplit(":", 1)
volname = volname.strip('/')
# Extract the volume's transport using gluster cli
svdsmProxy = svdsm.getProxy()
try:
res = svdsmProxy.glusterVolumeInfo(volname, volfileServer)
except GlusterException:
# In case of issues with finding transport type, default to tcp
self.log.warning(
"Unable to find transport type for GlusterFS"
" volume %s. GlusterFS server = %s."
"Defaulting to tcp",
volname,
volfileServer,
exc_info=True)
transport = VOLUME_TRANS_MAP['TCP']
brickServers = []
else:
vol_info = res[volname]
transport = VOLUME_TRANS_MAP[vol_info['transportType'][0]]
brickServers = utils.unique(
brick.split(":", 1)[0] for brick in vol_info['bricks'])
# remove server passed as argument from backup servers to avoid
# duplicates
if volfileServer in brickServers:
brickServers.remove(volfileServer)
# gfapi does not use brick ports, it uses the glusterd port (24007)
# from the hosts passed to fetch the volume information.
# If 0 is passed, gfapi defaults to 24007.
volPort = "0"
imgFilePath = self.getVolumePath()
imgFilePath_list = imgFilePath.rsplit("/")
# Extract path to the image, relative to the gluster mount
imgFileRelPath = "/".join(imgFilePath_list[-4:])
glusterPath = volname + '/' + imgFileRelPath
hosts = [dict(name=volfileServer, port=volPort, transport=transport)]
hosts.extend(
dict(name=brickServer, port=volPort, transport=transport)
for brickServer in brickServers)
return {
'type': 'network',
'path': glusterPath,
'protocol': 'gluster',
'hosts': hosts,
}
def _get_backup_servers_option(self):
servers = utils.unique(brick.split(":")[0] for brick
in self.volinfo['bricks'])
self.log.debug("Using bricks: %s", servers)
if self._volfileserver in servers:
servers.remove(self._volfileserver)
else:
self.log.warning("gluster server %r is not in bricks %s, possibly "
"mounting duplicate servers",
self._volfileserver, servers)
if not servers:
return ""
return "backup-volfile-servers=" + ":".join(servers)
def _get_backup_servers_option(self):
servers = utils.unique(
brick.split(":")[0] for brick in self.volinfo['bricks'])
self.log.debug("Using bricks: %s", servers)
if self._volfileserver in servers:
servers.remove(self._volfileserver)
else:
self.log.warning(
"gluster server %r is not in bricks %s, possibly "
"mounting duplicate servers", self._volfileserver, servers)
if not servers:
return ""
return "backup-volfile-servers=" + ":".join(servers)
def test_unique(self, iterable, unique_items):
self.assertEquals(utils.unique(iterable,), unique_items)
def test_unique(self, iterable, unique_items):
self.assertEqual(utils.unique(iterable, ), unique_items)
