def init(self):
self.workspace = ChassisWorkspace(self.__chassis)
nodes = self.__chassis.get("nodes")
if nodes is None:
raise InfraSimError("There is no nodes under chassis")
for node in nodes:
node_name = node.get("name", "{}_node_{}".format(self.__chassis_name, nodes.index(node)))
node["name"] = node_name
node["type"] = self.__chassis["type"]
self.workspace.init()
self.__file_name = os.path.join(self.workspace.get_workspace_data(), "shm_data.bin")
self.__daemon = CChassisDaemon(self.__chassis_name, self.__file_name)
def init(self):
self.workspace = ChassisWorkspace(self.__chassis)
nodes = self.__chassis.get("nodes")
if nodes is None:
raise InfraSimError("There is no nodes under chassis")
for node in nodes:
node_name = node.get("name", "{}_node_{}".format(self.__chassis_name, nodes.index(node)))
node["name"] = node_name
node["type"] = self.__chassis["type"]
set_option(node, "compute", "machine", "spid", nodes.index(node))
self.workspace.init()
self.__file_name = os.path.join(self.workspace.get_workspace_data(), "shm_data.bin")
self.__daemon = CChassisDaemon(self.__chassis_name, self.__file_name)
class CChassis(object):
def __init__(self, chassis_name, chassis_info):
self.__chassis = chassis_info
self.__chassis_model = None
self.__node_list = {}
self.__chassis_name = chassis_name
self.__numactl_obj = NumaCtl()
self.__dataset = DataSet()
self.__file_name = None
self.__daemon = None
self.logger = infrasim_log.get_chassis_logger(chassis_name)
self.workspace = None
options = {
"precheck": CNode.precheck,
"init": CNode.init,
"start": CNode.start,
"stop": CNode.stop,
"destroy": CNode.terminate_workspace
}
def process_by_node_names(self, action, *args):
node_names = list(args) or self.__node_list.keys()
all_node_names = set(self.__node_list.keys())
selected_node_names = all_node_names.intersection(set(node_names))
for name in selected_node_names:
self.options[action](self.__node_list[name])
def __check_namespace(self):
ns_string = subprocess.check_output(["ip", "netns", "list"])
ns_list = re.findall(r'(\w+)(\s+\(id)?', ns_string)
nodes = self.__chassis.get("nodes", [])
for node in nodes:
ns_name = node["namespace"]
if ns_name not in [ns[0] for ns in ns_list]:
raise Exception("Namespace {0} doesn't exist".format(ns_name))
def precheck(self, *args):
# check total resources
self.__check_namespace()
self.process_by_node_names("precheck", *args)
def init(self):
self.workspace = ChassisWorkspace(self.__chassis)
nodes = self.__chassis.get("nodes")
if nodes is None:
raise InfraSimError("There is no nodes under chassis")
for node in nodes:
node_name = node.get("name", "{}_node_{}".format(self.__chassis_name, nodes.index(node)))
node["name"] = node_name
node["type"] = self.__chassis["type"]
self.workspace.init()
self.__file_name = os.path.join(self.workspace.get_workspace_data(), "shm_data.bin")
self.__daemon = CChassisDaemon(self.__chassis_name, self.__file_name)
def _init_sub_node(self, *args):
nodes = self.__chassis.get("nodes")
for node in nodes:
node_obj = CNode(node)
node_obj.set_node_name(node["name"])
self.__node_list[node["name"]] = node_obj
self.process_by_node_names("init", *args)
def start(self, *args):
self.__process_chassis_device()
self._init_sub_node(*args)
self.__process_oem_data()
# save data to exchange file.
self.__dataset.save(self.__file_name)
self.__daemon.init(self.workspace.get_workspace())
self.__daemon.start()
self.__render_chassis_info()
self.__update_node_cfg()
self.process_by_node_names("start", *args)
def stop(self, *args):
self._init_sub_node(*args)
self.process_by_node_names("stop", *args)
# TODO: export data if need.
self.__daemon.init(self.workspace.get_workspace())
self.__daemon.terminate()
def destroy(self, *args):
self.stop(*args)
self.process_by_node_names("destroy", *args)
if ChassisWorkspace.check_workspace_exists(self.__chassis_name):
shutil.rmtree(self.workspace.get_workspace())
self.logger.info("[Chassis] Chassis {} runtime workspcace is destroyed".
format(self.__chassis_name))
print "Chassis {} runtime workspace is destroyed.".format(self.__chassis_name)
def status(self):
for node_obj in self.__node_list:
node_obj.status()
def __render_chassis_info(self):
"""
update smbios and emulation data.
"""
data = self.__chassis["data"]
for node in self.__chassis.get("nodes"):
ws = os.path.join(config.infrasim_home, node["name"])
ws_data = os.path.join(ws, "data")
def get_file(src, default_name):
if src is None:
dst = os.path.join(ws_data, default_name)
else:
dst = os.path.join(ws_data, os.path.basename(src))
return dst
bios_file = get_file(node["compute"].get("smbios"), "{}_smbios.bin".format(node["type"]))
bios = SMBios(bios_file)
bios.ModifyType3ChassisInformation(data["sn"])
# bios.ModifyType2BaseboardInformation("")
bios.save(bios_file)
emu_file = get_file(node.get("bmc", {}).get("emu_file"), "{}.emu".format(node["type"]))
emu = FruFile(emu_file)
emu.ChangeChassisInfo(data["pn"], data["sn"])
emu.Save(emu_file)
node["compute"]["smbios"] = bios_file
bmc = node.get("bmc", {})
node["bmc"] = bmc
bmc["emu_file"] = emu_file
def __update_node_cfg(self):
"""
refresh yml file of node
"""
for node in self.__chassis.get("nodes"):
ws = os.path.join(config.infrasim_home, node["name"])
ws_etc = os.path.join(ws, "etc")
yml_file = os.path.join(ws_etc, "infrasim.yml")
with open(yml_file, 'w') as fp:
yaml.dump(node, fp, default_flow_style=False)
def __process_chassis_data(self, data):
if data is None:
return
buf = {}
for key in data.keys():
if "pn" in key or "sn" in key:
buf[key] = "{}".format(data[key]).encode()
buf["led"] = ' ' * data.get("led", 20)
self.__dataset.append("chassis", buf)
def __translate_user_data(self, src):
"""
process custom data.
"""
ret = {}
for k, v in src.items():
if isinstance(v, int):
value = '\0' * v # treat int value as buffer size.
if isinstance(v, str):
value = v.encode() # treat string as user data
if isinstance(v, dict):
value = self.__translate_user_data(v)
ret[k] = value
return ret
def __process_sas_drv_data(self, drv):
# universal data for SAS drv
# len_status_error = sizeof(SCSIStatusError)
# typedef struct SCSIStatusError
# {
# ErrorType error_type; //BUSY CHECK_CONDITION ABORT ACA
# uint32_t count;
# SCSISense sense;
# uint64_t l_lbas[1024][2];
# }SCSIStatusError;
len_status_error = 1 + 4 + 3 + 1024 * 8 * 2 + 8
data = {
"serial": drv["serial"],
"log_page": '\0' * 2048,
"status_error": '\0' * len_status_error,
"mode_page": '\0' * 2048
}
if drv.get("user_data"):
# add custom data if it has
data["user_data"] = self.__translate_user_data(drv["user_data"])
self.__dataset.append("slot_{}".format(drv["slot_number"]), data)
def __process_nvme_data(self, drv):
# universal data for NVMe drv
num_queues = drv.get("queues", 64)
elpe = drv.get("elpe", 3)
# len_feature = sizeof(NvmeFeatureVal) + sizeof(uint32_t) * n->num_queues;
# NvmeFeatureVal = 10 * uint32_t + 4 * uint64_t
len_feature = 4 * 10 + 8 * 4 + 4 * num_queues
# len_error_log_page = sizeof(NvmeErrorLog) * (n->elpe + 1) +
# sizeof(num_errors) + sizeof(error_count) + sizeof(elp_index) + pad_byte
len_error_log_page = 64 * (elpe + 1) + 4
# len_status_error = sizeof(StatusError)
# typedef struct StatusError {
# StatusField status_field;
# uint32_t count;
# Opcode opcode;
# uint32_t nsid;
# uint64_t lbas[1024][2];
# } StatusError;
len_status_error = 4 + 4 + 1 + 4 + 1024 * 8 * 2 + 3
data = {
"serial": drv["serial"].encode(),
"feature": '\0' * len_feature,
"status_error": '\0' * len_status_error,
"elpes": '\0' * len_error_log_page
}
if drv.get("user_data"):
# add custom data if it has
data["user_data"] = self.__translate_user_data(drv["user_data"])
self.__dataset.append("slot_{}".format(drv["chassis_slot"]), data)
def __process_chassis_slots(self, slots):
nvme_dev = []
sas_dev = []
def format_value(src, value):
"""
parse format and plus initial value
"""
m = re.match(r"^(?P<pre>.+){(?P<initial>\d+)}(?P<post>.*)$", src)
if m:
src = "{0}{1}{2}".format(m.group('pre'), value + int(m.group('initial')), m.group('post'))
else:
src = src.format(value)
return src
for item in slots:
if item.get("type") == "nvme":
# process nvme device.
for x in range(item.get("repeat", 1)):
drv = copy.deepcopy(item)
drv["chassis_slot"] = drv["chassis_slot"] + x
drv["file"] = format_value(drv["file"], x)
drv["serial"] = format_value(drv["serial"], x)
drv["id"] = format_value(drv["id"], x)
if drv.get("bus"):
drv["bus"] = format_value(drv["bus"], x)
nvme_dev.append(drv)
self.__process_nvme_data(drv)
else:
# process SAS drive
for x in range(item.get("repeat", 1)):
drv = copy.deepcopy(item)
sas_dev.append(drv)
drv["slot_number"] = drv.pop("chassis_slot") + x
drv["wwn"] = drv["wwn"] + x * 4
drv["serial"] = format_value(drv["serial"], x)
drv["file"] = format_value(drv["file"], x)
self.__process_sas_drv_data(drv)
for node in self.__chassis.get("nodes"):
# insert nvme drive
node["compute"]["storage_backend"].extend(nvme_dev)
# insert sas drive.
for controller in node["compute"]["storage_backend"]:
if controller.get("slot_range"):
controller["drives"] = controller.get("drives", [])
slot_range = [int(x) for x in controller["slot_range"].split('-')]
for drv in sas_dev:
if drv["slot_number"] >= slot_range[0] and drv["slot_number"] < slot_range[1]:
controller["drives"].append(drv)
drv["port_wwn"] = drv["wwn"] + 1 + self.__chassis["nodes"].index(node)
break
def __process_chassis_device(self):
'''
assign IDs of shared devices
merge shared device to node.
'''
self.__process_chassis_data(self.__chassis.get("data"))
self.__process_chassis_slots(self.__chassis.get("slots", []))
# set sharemeory id for sub node.
for node in self.__chassis.get("nodes"):
node["compute"]["communicate"] = {"shm_key": "share_mem_{}".format(self.__chassis_name)}
node["bmc"] = node.get("bmc", {})
node["bmc"]["shm_key"] = "share_mem_{}".format(self.__chassis_name)
def __process_oem_data(self):
'''
process oem data json
VPD, Health data of NVME.
'''
def oem_string_2_binary(src):
return filter(lambda x: x != ' ', src).decode('hex')
# load oem_data.json of chassis
oem_data_file = os.path.join(self.workspace.get_workspace_data(), "oem_data.json")
if os.path.exists(oem_data_file):
# copy oem data to each sub nodes.
for node in self.__chassis.get("nodes"):
dst = os.path.join(config.infrasim_home, node["name"], "data")
if os.path.exists(dst):
shutil.copy(oem_data_file, dst)
# load and parse oem data
with codecs.open(oem_data_file, 'r', 'utf-8') as f:
oem_data = json.load(f)
# fill share memory according to slot_x
nvme_data = oem_data.get("nvme")
if nvme_data:
# only process nvme
for slot in filter(lambda x: x.get("type") == "nvme", self.__chassis.get("slots", [])):
for x in range(slot.get("repeat", 1)):
slot_id = "slot_{}".format(slot["chassis_slot"] + x)
data = nvme_data.get(slot_id)
if data is None:
# skip it, if there is no slot_x in oem data file
continue
self.__dataset[slot_id]["vpd"] = oem_string_2_binary(data["vpd"])
self.__dataset[slot_id]["health"] = oem_string_2_binary(data["health_data"])
class CChassis(object):
def __init__(self, chassis_name, chassis_info):
self.__chassis = chassis_info
self.__chassis_model = None
self.__node_list = {}
self.__chassis_name = chassis_name
self.__numactl_obj = NumaCtl()
self.__dataset = DataSet()
self.__file_name = None
self.__daemon = None
self.logger = infrasim_log.get_chassis_logger(chassis_name)
self.workspace = None
options = {
"precheck": CNode.precheck,
"init": CNode.init,
"start": CNode.start,
"stop": CNode.stop,
"destroy": CNode.terminate_workspace
}
def process_by_node_names(self, action, *args):
node_names = list(args) or self.__node_list.keys()
all_node_names = set(self.__node_list.keys())
selected_node_names = all_node_names.intersection(set(node_names))
for name in selected_node_names:
self.options[action](self.__node_list[name])
def __check_namespace(self):
ns_string = subprocess.check_output(["ip", "netns", "list"])
ns_list = re.findall(r'(\w+)(\s+\(id)?', ns_string)
nodes = self.__chassis.get("nodes", [])
for node in nodes:
ns_name = node["namespace"]
if ns_name not in [ns[0] for ns in ns_list]:
raise Exception("Namespace {0} doesn't exist".format(ns_name))
def precheck(self, *args):
# check total resources
self.__check_namespace()
self.process_by_node_names("precheck", *args)
def init(self):
self.workspace = ChassisWorkspace(self.__chassis)
nodes = self.__chassis.get("nodes")
if nodes is None:
raise InfraSimError("There is no nodes under chassis")
for node in nodes:
node_name = node.get("name", "{}_node_{}".format(self.__chassis_name, nodes.index(node)))
node["name"] = node_name
node["type"] = self.__chassis["type"]
set_option(node, "compute", "machine", "spid", nodes.index(node))
self.workspace.init()
self.__file_name = os.path.join(self.workspace.get_workspace_data(), "shm_data.bin")
self.__daemon = CChassisDaemon(self.__chassis_name, self.__file_name)
def _init_sub_node(self, *args):
nodes = self.__chassis.get("nodes")
for node in nodes:
node_obj = CNode(node)
node_obj.set_node_name(node["name"])
self.__node_list[node["name"]] = node_obj
self.process_by_node_names("init", *args)
def start(self, *args):
self.__process_chassis_device()
self.__process_ntb_device()
self.__process_disk_array()
self.__render_chassis_info()
self._init_sub_node(*args)
self.__process_oem_data()
# save data to exchange file.
self.__dataset.save(self.__file_name)
self.__daemon.init(self.workspace.get_workspace())
self.__daemon.start()
self.process_by_node_names("precheck", *args)
self.process_by_node_names("start", *args)
def stop(self, *args):
self._init_sub_node(*args)
self.process_by_node_names("stop", *args)
# TODO: export data if need.
self.__daemon.init(self.workspace.get_workspace())
self.__daemon.terminate()
def destroy(self, *args):
self.stop(*args)
self.process_by_node_names("destroy", *args)
if ChassisWorkspace.check_workspace_exists(self.__chassis_name):
shutil.rmtree(self.workspace.get_workspace())
self.logger.info("[Chassis] Chassis {} runtime workspcace is destroyed".
format(self.__chassis_name))
print "Chassis {} runtime workspace is destroyed.".format(self.__chassis_name)
def status(self):
for node_obj in self.__node_list:
node_obj.status()
def __render_chassis_info(self):
"""
update smbios and emulation data.
"""
data = self.__chassis.get("data", None)
if not data:
return
for node in self.__chassis.get("nodes"):
if 'pn' in data:
set_option(node, "bmc", "chassis_pn", data['pn'])
if 'sn' in data:
set_option(node, "bmc", "chassis_sn", data['sn'])
set_option(node, "compute", "smbios", "type3", "sn", data['sn'])
def __process_chassis_data(self, data):
if data is None:
return
buf = {}
for key in data.keys():
if "pn" in key or "sn" in key:
buf[key] = "{}".format(data[key]).encode()
# setup gpio section
node_nr = len(self.__chassis.get("nodes", []))
# power status of all nodes: 1 byte per node.
buf["nodes_power"] = '\0' * node_nr
# heart_beat: 1 byte per node.
buf["heart_beat"] = '\0' * node_nr
# setup led seciton.
buf["led"] = ' ' * data.get("led", 20)
self.__dataset.append("chassis", buf)
def __translate_user_data(self, src):
"""
process custom data.
"""
ret = {}
for k, v in src.items():
if isinstance(v, int):
value = '\0' * v # treat int value as buffer size.
if isinstance(v, str):
value = v.encode() # treat string as user data
if isinstance(v, dict):
value = self.__translate_user_data(v)
ret[k] = value
return ret
def __process_sas_drv_data(self, drv):
# universal data for SAS drv
# len_status_error = sizeof(SCSIStatusError)
# typedef struct SCSIStatusError
# {
# ErrorType error_type; //BUSY CHECK_CONDITION ABORT ACA
# uint32_t count;
# SCSISense sense;
# uint64_t l_lbas[1024][2];
# }SCSIStatusError;
len_status_error = 1 + 4 + 3 + 1024 * 8 * 2 + 8
data = {
"serial": drv["serial"],
"log_page": '\0' * 2048,
"status_error": '\0' * len_status_error,
"mode_page": '\0' * 2048
}
if drv.get("user_data"):
# add custom data if it has
data["user_data"] = self.__translate_user_data(drv["user_data"])
self.__dataset.append("slot_{}".format(drv["slot_number"]), data)
def __process_nvme_data(self, drv):
# universal data for NVMe drv
num_queues = drv.get("queues", 64)
elpe = drv.get("elpe", 3)
# len_feature = sizeof(NvmeFeatureVal) + sizeof(uint32_t) * n->num_queues;
# NvmeFeatureVal = 10 * uint32_t + 4 * uint64_t
len_feature = 4 * 10 + 8 * 4 + 4 * num_queues
# len_error_log_page = sizeof(NvmeErrorLog) * (n->elpe + 1) +
# sizeof(num_errors) + sizeof(error_count) + sizeof(elp_index) + pad_byte
len_error_log_page = 64 * (elpe + 1) + 4
# len_status_error = sizeof(StatusError)
# typedef struct StatusError {
# StatusField status_field;
# uint32_t count;
# Opcode opcode;
# uint32_t nsid;
# uint64_t lbas[1024][2];
# } StatusError;
len_status_error = 4 + 4 + 1 + 4 + 1024 * 8 * 2 + 3
data = {
"serial": drv["serial"].encode(),
"feature": '\0' * len_feature,
"status_error": '\0' * len_status_error,
"elpes": '\0' * len_error_log_page
}
if drv.get("user_data"):
# add custom data if it has
data["user_data"] = self.__translate_user_data(drv["user_data"])
self.__dataset.append("slot_{}".format(drv["chassis_slot"]), data)
def __process_chassis_slots(self, slots):
nvme_dev = []
sas_dev = []
def format_value(src, value):
"""
parse format and plus initial value
"""
m = re.match(r"^(?P<pre>.+){(?P<initial>\d+)}(?P<post>.*)$", src)
if m:
src = "{0}{1}{2}".format(m.group('pre'), value + int(m.group('initial')), m.group('post'))
else:
src = src.format(value)
return src
for item in slots:
if item.get("type") == "nvme":
# process nvme device.
for x in range(item.get("repeat", 1)):
drv = copy.deepcopy(item)
drv["chassis_slot"] = drv["chassis_slot"] + x
drv["file"] = format_value(drv["file"], x)
drv["serial"] = format_value(drv["serial"], x)
drv["id"] = format_value(drv["id"], x)
if drv.get("bus"):
drv["bus"] = format_value(drv["bus"], x)
nvme_dev.append(drv)
self.__process_nvme_data(drv)
else:
# process SAS drive
for x in range(item.get("repeat", 1)):
drv = copy.deepcopy(item)
sas_dev.append(drv)
drv["slot_number"] = drv.pop("chassis_slot") + x
drv["wwn"] = drv["wwn"] + x * 4
drv["serial"] = format_value(drv["serial"], x)
drv["file"] = format_value(drv["file"], x)
self.__process_sas_drv_data(drv)
for node in self.__chassis.get("nodes"):
# insert nvme drive
node["compute"]["storage_backend"].extend(nvme_dev)
# insert sas drive.
for controller in node["compute"]["storage_backend"]:
if controller.get("slot_range"):
controller["drives"] = controller.get("drives", [])
slot_range = [int(x) for x in controller["slot_range"].split('-')]
for drv in sas_dev:
if drv["slot_number"] >= slot_range[0] and drv["slot_number"] < slot_range[1]:
controller["drives"].append(drv)
drv["port_wwn"] = drv["wwn"] + 1 + self.__chassis["nodes"].index(node)
break
def __process_chassis_device(self):
'''
assign IDs of shared devices
merge shared device to node.
'''
self.__process_chassis_data(self.__chassis.get("data"))
self.__process_chassis_slots(self.__chassis.get("slots", []))
# set sharemeory id for sub node.
for node in self.__chassis.get("nodes"):
set_option(node, "compute", "communicate", "shm_key", "share_mem_{}".format(self.__chassis_name))
set_option(node, "bmc", "shm_key", "share_mem_{}".format(self.__chassis_name))
def __process_oem_data(self):
'''
process oem data json
VPD, Health data of NVME.
'''
def oem_string_2_binary(src):
return filter(lambda x: x != ' ', src).decode('hex')
# load oem_data.json of chassis
oem_data_file = os.path.join(self.workspace.get_workspace_data(), "oem_data.json")
if os.path.exists(oem_data_file):
# copy oem data to each sub nodes.
for node in self.__chassis.get("nodes"):
dst = os.path.join(config.infrasim_home, node["name"], "data")
if os.path.exists(dst):
shutil.copy(oem_data_file, dst)
# load and parse oem data
with codecs.open(oem_data_file, 'r', 'utf-8') as f:
oem_data = json.load(f)
# fill share memory according to slot_x
nvme_data = oem_data.get("nvme")
if nvme_data:
# only process nvme
for slot in filter(lambda x: x.get("type") == "nvme", self.__chassis.get("slots", [])):
for x in range(slot.get("repeat", 1)):
slot_id = "slot_{}".format(slot["chassis_slot"] + x)
data = nvme_data.get(slot_id)
if data is None:
# skip it, if there is no slot_x in oem data file
continue
self.__dataset[slot_id]["vpd"] = oem_string_2_binary(data["vpd"])
self.__dataset[slot_id]["health"] = oem_string_2_binary(data["health_data"])
def __process_disk_array(self):
ws = self.workspace.get_workspace_data()
diskarray = DiskArrayController(ws)
# set sharemeory id for sub node.
for node in self.__chassis.get("nodes", []):
storage = node["compute"].get("storage_backend")
diskarray.add_storage_chassis_backend(storage)
topo = diskarray.get_topo()
if topo:
for node in self.__chassis.get("nodes", []):
storage = node["compute"].get("storage_backend")
diskarray.set_topo_file(storage, "sas_topo")
self.__dataset.append("sas_topo", topo)
diskarray.export_drv_data()
def __process_ntb_device(self):
# set local rx name.
ntb_items = []
for node in self.__chassis.get("nodes", []):
for ntb_info in node["compute"].get("ntb", []):
if ntb_info.get("local") is None:
rx_name = os.path.join(config.infrasim_home, node["name"], ".{}".format(ntb_info.get("id")))
ntb_info["local"] = rx_name
ntb_items.append(ntb_info)
# update peer name
for ntb_info in ntb_items:
peer_idx = ntb_info.get("peer_id")
if peer_idx is None:
raise ArgsNotCorrect("Peer id of ntb ({}) can't be None".format(ntb_info["id"]))
peer_ntb = filter(lambda x: x["id"] == peer_idx, ntb_items)
if len(peer_ntb) != 1:
raise ArgsNotCorrect("Peer id of ntb ({}) is not valid".format(peer_idx))
ntb_info["peer_rx"] = peer_ntb[0]["local"]
class CChassis(object):
def __init__(self, chassis_name, chassis_info):
self.__chassis = chassis_info
self.__chassis_model = None
self.__node_list = {}
self.__chassis_name = chassis_name
self.__numactl_obj = NumaCtl()
self.__dataset = DataSet()
self.__file_name = None
self.__daemon = None
self.logger = infrasim_log.get_chassis_logger(chassis_name)
self.workspace = None
options = {
"precheck": CNode.precheck,
"init": CNode.init,
"start": CNode.start,
"stop": CNode.stop,
"destroy": CNode.terminate_workspace
}
def process_by_node_names(self, action, *args):
node_names = list(args) or self.__node_list.keys()
all_node_names = set(self.__node_list.keys())
selected_node_names = all_node_names.intersection(set(node_names))
for name in selected_node_names:
self.options[action](self.__node_list[name])
def __check_namespace(self):
ns_string = subprocess.check_output(["ip", "netns", "list"])
ns_list = re.findall(r'(\w+) \(id', ns_string)
nodes = self.__chassis.get("nodes", [])
for node in nodes:
ns_name = node["namespace"]
if ns_name not in ns_list:
raise Exception("Namespace {0} doesn't exist".format(ns_name))
def precheck(self, *args):
# check total resources
self.__check_namespace()
self.process_by_node_names("precheck", *args)
def init(self):
self.workspace = ChassisWorkspace(self.__chassis)
nodes = self.__chassis.get("nodes")
if nodes is None:
raise InfraSimError("There is no nodes under chassis")
for node in nodes:
node_name = node.get(
"name", "{}_node_{}".format(self.__chassis_name,
nodes.index(node)))
node["name"] = node_name
node["type"] = self.__chassis["type"]
self.workspace.init()
self.__file_name = os.path.join(self.workspace.get_workspace_data(),
"shm_data.bin")
self.__daemon = CChassisDaemon(self.__chassis_name, self.__file_name)
def _init_sub_node(self, *args):
nodes = self.__chassis.get("nodes")
for node in nodes:
node_obj = CNode(node)
node_obj.set_node_name(node["name"])
self.__node_list[node["name"]] = node_obj
self.process_by_node_names("init", *args)
def start(self, *args):
self.__process_chassis_device()
self.__daemon.init(self.workspace.get_workspace())
self.__daemon.start()
self._init_sub_node(*args)
self.__render_chassis_info()
self.process_by_node_names("start", *args)
def stop(self, *args):
self._init_sub_node(*args)
self.process_by_node_names("stop", *args)
# TODO: export data if need.
self.__daemon.init(self.workspace.get_workspace())
self.__daemon.terminate()
def destroy(self, *args):
self.stop(*args)
self.process_by_node_names("destroy", *args)
if ChassisWorkspace.check_workspace_exists(self.__chassis_name):
shutil.rmtree(self.workspace.get_workspace())
self.logger.info(
"[Chassis] Chassis {} runtime workspcace is destroyed".format(
self.__chassis_name))
print "Chassis {} runtime workspace is destroyed.".format(
self.__chassis_name)
def status(self):
for node_obj in self.__node_list:
node_obj.status()
def __render_chassis_info(self):
"""
update smbios and emulation data.
"""
data = self.__chassis["data"]
for node in self.__chassis.get("nodes"):
bios_file = os.path.join(config.infrasim_home, node["name"],
"data",
"{}_smbios.bin".format(node["type"]))
bios = SMBios(bios_file)
bios.ModifyType3ChassisInformation(data["sn"])
# bios.ModifyType2BaseboardInformation("")
bios.save(bios_file)
emu_file = os.path.join(config.infrasim_home, node["name"], "data",
"{}.emu".format(node["type"]))
emu = FruFile(emu_file)
emu.ChangeChassisInfo(data["pn"], data["sn"])
emu.Save(emu_file)
def __process_chassis_data(self, data):
if data is None:
return
buf = {}
for key in data.keys():
if "pn" in key or "sn" in key:
buf[key] = "{}".format(data[key]).encode()
buf["led"] = ' ' * data.get("led", 20)
self.__dataset.append("chassis", buf)
def __process_sas_drv_data(self, drv):
data = {
"serial": drv["serial"],
"log_page": '\0' * 2048,
"mode_page": '\0' * 2048
}
self.__dataset.append("slot_{}".format(drv["slot_number"]), data)
pass
def __process_nvme_data(self, drv):
data = {"serial": drv["serial"].encode()}
self.__dataset.append("slot_{}".format(drv["chassis_slot"]), data)
pass
def __process_chassis_slots(self, slots):
nvme_dev = []
sas_dev = []
for item in slots:
if item.get("type") == "nvme":
# process nvme device.
nvme_dev.append(copy.deepcopy(item))
self.__process_nvme_data(item)
else:
# process SAS drive
for x in range(item.get("repeat", 1)):
drv = copy.deepcopy(item)
sas_dev.append(drv)
drv["slot_number"] = drv.pop("chassis_slot") + x
drv["wwn"] = drv["wwn"] + x * 4
drv["serial"] = drv["serial"].format(x)
drv["file"] = drv["file"].format(x)
self.__process_sas_drv_data(drv)
for node in self.__chassis.get("nodes"):
# insert nvme drive
node["compute"]["storage_backend"].extend(nvme_dev)
# insert sas drive.
for controller in node["compute"]["storage_backend"]:
if controller.get("slot_range"):
controller["drives"] = controller.get("drives", [])
slot_range = [
int(x) for x in controller["slot_range"].split('-')
]
for drv in sas_dev:
if drv["slot_number"] >= slot_range[0] and drv[
"slot_number"] < slot_range[1]:
controller["drives"].append(drv)
drv["port_wwn"] = drv["wwn"] + 1 + self.__chassis[
"nodes"].index(node)
break
def __process_chassis_device(self):
'''
assign IDs of shared devices
merge shared device to node.
'''
self.__process_chassis_data(self.__chassis.get("data"))
self.__process_chassis_slots(self.__chassis.get("slots", []))
# save data to exchange file.
self.__dataset.save(self.__file_name)
# set sharemeory id for sub node.
for node in self.__chassis.get("nodes"):
node["compute"]["communicate"] = {
"shm_key": "share_mem_{}".format(self.__chassis_name)
}