def get_linstorapi(self, **kwargs):
# if self._linstor:
# return self._linstor
if self._linstor_completer:
return self._linstor_completer
# TODO also read config overrides
# servers = ['linstor://localhost']
with open(LinstorAPI.LINSTOR_CONF) as f:
data = f.read()
contrl_list = re.findall('controllers=(.*)', data)[0]
servers = linstor.MultiLinstor.controller_uri_list(contrl_list)
if 'parsed_args' in kwargs:
cliargs = kwargs['parsed_args']
servers = linstor.MultiLinstor.controller_uri_list(
cliargs.controllers)
if not servers:
return None
for server in servers:
try:
self._linstor_completer = linstor.Linstor(server)
self._linstor_completer.connect()
break
except linstor.LinstorNetworkError as le:
pass
return self._linstor_completer
def get_sp():
try:
lin = linstor.Linstor(DEFAULT_LINSTOR_URI)
lin.connect()
# Fetch Storage Pool List
sp_list_reply = jsons.dump(lin.storage_pool_list()[0].storage_pools)
assert sp_list_reply, "Empty Storage Pool list"
print(len(sp_list_reply))
sp_diskless_list = []
sp_list = []
node_count = 0
if sp_list_reply:
for node in sp_list_reply:
print(node["node_name"])
sp_node = {}
sp_node['node_name'] = node["node_name"]
sp_node['sp_uuid'] = node["uuid"]
sp_node['sp_name'] = node["name"]
if node["provider_kind"] == DISKLESS:
diskless = True
else:
diskless = False
# Driver selection
if node["provider_kind"] == LVM:
sp_node['driver_name'] = LVM
elif node["provider_kind"] == LVM_THIN:
sp_node['driver_name'] = LVM_THIN
elif node["provider_kind"] == ZFS:
sp_node['driver_name'] = ZFS
elif node["provider_kind"] == ZFS_THIN:
sp_node['driver_name'] = ZFS_THIN
else:
sp_node['driver_name'] = str(node["provider_kind"])
if diskless:
sp_diskless_list.append(sp_node)
else:
sp_list.append(sp_node)
node_count += 1
print(sp_node)
# Add the diskless nodes to the end of the list
if sp_diskless_list:
sp_list.extend(sp_diskless_list)
print('\nFound ' + str(len(sp_list)) + ' storage pools.')
lin.disconnect()
pprint.pprint(sp_list)
return sp_list
except Exception as e:
print(str(e))
def linstor_driver_init():
try:
lin = linstor.Linstor(DEFAULT_LINSTOR_URI)
lin.connect()
# Check for Storage Pool List
sp_list = get_sp()
# pprint.pprint(sp_list)
# Get default Storage Pool Definition
spd_default = VOL_GROUP
if not sp_list:
print("No existing Storage Pools found")
# Check for Ns
node_list = get_nodes()
# pprint.pprint(node_list)
if len(node_list) == 0:
print("Error: No resource nodes available"
) # Exception needed here
# Create Storage Pool (definition is implicit)
spd_name = get_spd()[0]
pool_driver = LVM_THIN # LVM_THIN
if pool_driver == LVM:
driver_pool = VOL_GROUP
elif pool_driver == LVM_THIN:
driver_pool = VOL_GROUP + "/" + spd_name
for node in node_list:
lin.storage_pool_create(node_name=node['node_name'],
storage_pool_name=spd_name,
storage_driver=pool_driver,
driver_pool_name=driver_pool)
print('Created Storage Pool for ' + spd_name + ' @ ' +
node['node_name'] + ' in ' + driver_pool)
# Ready to Move on
lin.disconnect()
return
else:
print("Found existing Storage Pools")
# Ready to Move on
lin.disconnect()
return
except Exception as e:
print(str(e))
def parse_and_execute(self, pargs):
rc = ExitCode.OK
try:
args = self.parse(pargs)
local_only_cmds = [
self.cmd_list, MigrateCommands.cmd_dmmigrate,
self._zsh_generator.cmd_completer, self.cmd_help
]
# only connect if not already connected or a local only command was executed
if self._linstorapi is None and args.func not in local_only_cmds:
self._linstorapi = linstor.Linstor(Commands.controller_list(
args.controllers)[0],
timeout=args.timeout)
self._controller_commands._linstor = self._linstorapi
self._node_commands._linstor = self._linstorapi
self._storage_pool_dfn_commands._linstor = self._linstorapi
self._storage_pool_commands._linstor = self._linstorapi
self._resource_dfn_commands._linstor = self._linstorapi
self._volume_dfn_commands._linstor = self._linstorapi
self._resource_commands._linstor = self._linstorapi
self._snapshot_commands._linstor = self._linstorapi
self._misc_commands._linstor = self._linstorapi
self._linstorapi.connect()
rc = args.func(args)
except ArgumentError as ae:
sys.stderr.write(ae.message + '\n')
try:
self.parse(
list(
itertools.takewhile(lambda x: not x.startswith('-'),
pargs)) + ['-h'])
except SystemExit:
pass
return ExitCode.ARGPARSE_ERROR
except utils.LinstorClientError as lce:
sys.stderr.write(lce.message + '\n')
return lce.exit_code
except linstor.LinstorNetworkError as le:
self._report_linstor_error(le)
rc = ExitCode.CONNECTION_ERROR
except linstor.LinstorTimeoutError as le:
self._report_linstor_error(le)
rc = ExitCode.CONNECTION_TIMEOUT
except linstor.LinstorError as le:
self._report_linstor_error(le)
rc = ExitCode.UNKNOWN_ERROR
return rc
def get_linstorapi(self, **kwargs):
if self._linstor:
return self._linstor
if self._linstor_completer:
return self._linstor_completer
# TODO also read config overrides
servers = ['linstor://localhost']
if 'parsed_args' in kwargs:
cliargs = kwargs['parsed_args']
servers = Commands.controller_list(cliargs.controllers)
if not servers:
return None
self._linstor_completer = linstor.Linstor(servers[0])
self._linstor_completer.connect()
return self._linstor_completer
def linstor_deploy_resource(rsc_name=DEFAULT_RSC):
try:
lin = linstor.Linstor(DEFAULT_LINSTOR_URI)
lin.connect()
linstor_driver_init()
# Check for RD
# rd_list = lin.resource_dfn_list()
# rsc_name_target = rsc_name
rd_reply = lin.resource_dfn_create(rsc_name) # Need error checking
print(check_api_response(rd_reply))
rd_list = lin.resource_dfn_list()
print("Created RD")
# Create a New VD
vd_reply = lin.volume_dfn_create(
rsc_name=rsc_name, size=int(DEFAULT_RSC_SIZE)) # size is in KiB
print(check_api_response(vd_reply))
print("Created VD: " + str(vd_reply))
# Create RSC's
sp_list = get_sp()
pprint.pprint(sp_list)
for node in sp_list:
if node["driver_name"] == "DISKLESS":
is_diskless = True
else:
is_diskless = False
new_rsc = linstor.ResourceData(rsc_name=rsc_name,
node_name=node["node_name"],
storage_pool=node["sp_name"],
diskless=is_diskless)
rsc_reply = lin.resource_create([new_rsc], async_msg=False)
print("RSC Create: " + str(check_api_response(rsc_reply)))
lin.disconnect()
return
except Exception as e:
print(str(e))
def nuke():
with linstor.Linstor(DEFAULT_LINSTOR_URI) as lin:
# Nuke Resources
rsc_reply = jsons.dump(lin.resource_list()[0].resources)
if rsc_reply:
print(rsc_reply)
for rsc in rsc_reply:
print(rsc["_rest_data"]["name"] + ' at ' +
rsc["_rest_data"]["node_name"])
lin.resource_delete(node_name=rsc["_rest_data"]["node_name"],
rsc_name=rsc["_rest_data"]["name"])
time.sleep(1)
rsc_dfn_list = jsons.dump(
lin.resource_dfn_list()[0].resource_definitions)
print(rsc_dfn_list)
for rsc_dfn in rsc_dfn_list:
print(rsc_dfn["name"])
# Delete VD
print('Deleting Volume Definition for ' + rsc_dfn["name"])
# TODO: Need work here for volume number
api_reply = lin.volume_dfn_delete(rsc_dfn["name"], 0)
print(api_reply)
time.sleep(1)
# Delete RD
print('Deleting Resource Definition for ' +
rsc_dfn["name"])
api_reply = lin.resource_dfn_delete(rsc_dfn["name"])
print(api_reply)
else:
print('NO RSCs to delete')
def get_spd():
try:
lin = linstor.Linstor(DEFAULT_LINSTOR_URI)
lin.connect()
# Storage Pool Definition List
spd_list_reply = jsons.dump(
lin.storage_pool_dfn_list()[0].storage_pool_definitions)
assert len(str(
spd_list_reply[0])), "Empty Storage Pool Definition list"
node_list = spd_list_reply[0]
# print(node_list.proto_msg)
spd_list = []
for spd in spd_list_reply:
spd_list.append(spd["name"])
lin.disconnect()
return spd_list
except Exception as e:
print(str(e))
def get_nodes():
try:
lin = linstor.Linstor(DEFAULT_LINSTOR_URI)
lin.connect()
# Get Node List
node_list_reply = jsons.dump(lin.node_list()[0].nodes)
assert node_list_reply, "No LINSTOR nodes found"
node_list = []
if node_list_reply:
for node in node_list_reply:
node_item = {}
node_item["node_name"] = node["name"]
# TODO (wap): Remove after testing
# node_item["node_uuid"] = node['uuid']
node_item["node_address"] = (
node["net_interfaces"][0]["address"])
node_list.append(node_item)
lin.disconnect()
return node_list
except Exception as e:
print(str(e))
def parse_and_execute(self, pargs, is_interactive=False):
rc = ExitCode.OK
try:
args = self.parse(pargs)
local_only_cmds = [
self.cmd_list, MigrateCommands.cmd_dmmigrate,
self._zsh_generator.cmd_completer, self.cmd_help
]
# only connect if not already connected or a local only command was executed
conn_errors = []
contrl_list = linstor.MultiLinstor.controller_uri_list(
os.environ.get(KEY_LS_CONTROLLERS, "") + ',' +
args.controllers)
if self._linstorapi is None and args.func not in local_only_cmds:
username = None
password = None
if args.user:
username = args.user
if args.password:
password = args.password
else:
password = getpass.getpass("Enter Linstor password:"******"Client " + VERSION)
self._linstorapi.username = username
self._linstorapi.password = password
self._linstorapi.certfile = args.certfile
self._linstorapi.keyfile = args.keyfile
self._linstorapi.cafile = args.cafile
self._linstorapi.allow_insecure = args.allow_insecure_auth
self._linstorapi.curl = args.curl
for cmd in self._command_list:
cmd._linstor = self._linstorapi
self._linstorapi.connect()
break
except linstor.LinstorNetworkError as le:
conn_errors.append(le)
if len(conn_errors) == len(contrl_list):
for x in conn_errors:
self._report_linstor_error(x)
rc = ExitCode.CONNECTION_ERROR
else:
if args.verbose and args.func != self.cmd_interactive:
print("Connected to {h}".format(
h=self._linstorapi.controller_host()))
current_state = self._state_service.get_state()
allowed_states = vars(args).get('allowed_states',
[DefaultState])
always_allowed = vars(args).get('always_allowed', False)
if always_allowed or current_state.__class__ in allowed_states:
rc = args.func(args)
else:
sys.stderr.write(
"Error: Command not allowed in state '{state.name}'\n".
format(state=current_state))
rc = ExitCode.ILLEGAL_STATE
except (ArgumentError, argparse.ArgumentTypeError,
linstor.LinstorArgumentError) as ae:
try:
self.parse(
list(
itertools.takewhile(lambda x: not x.startswith('-'),
pargs)) + ['-h'])
except SystemExit:
pass
sys.stderr.write(ae.message + '\n')
return ExitCode.ARGPARSE_ERROR
except utils.LinstorClientError as lce:
sys.stderr.write(lce.message + '\n')
return lce.exit_code
except linstor.LinstorNetworkError as le:
self._report_linstor_error(le)
rc = ExitCode.CONNECTION_ERROR
except linstor.LinstorTimeoutError as le:
self._report_linstor_error(le)
rc = ExitCode.CONNECTION_TIMEOUT
self._linstorapi.disconnect()
self._linstorapi = None # should trigger reconnect in interactive mode
except linstor.LinstorApiCallError as le:
rc = self._controller_commands.handle_replies(
args, le.all_errors())
except linstor.LinstorError as le:
self._report_linstor_error(le)
rc = ExitCode.UNKNOWN_ERROR
finally:
if self._linstorapi and not is_interactive:
self._linstorapi.disconnect()
return rc
def __init__(self, ip, port=3370, timeout=300):
self.ip = ip
self.port = port
self.timeout = timeout
self.url = "linstor://{ip}:{port}".format(ip=self.ip, port=self.port)
self._lin_api = linstor.Linstor(self.url, timeout=self.timeout)
