+ @staticmethod
+ def process_numa_memory(
+ numa: dict, node_id: Optional[int], extra_specs: dict
+ ) -> None:
+ """Set the memory in extra_specs.
+ Args:
+ numa (dict): A dictionary which includes numa information
+ node_id (int): ID of numa node
+ extra_specs (dict): To be filled.
+
+ """
+ if not numa.get("memory"):
+ return
+ memory_mb = numa["memory"] * 1024
+ memory = "hw:numa_mem.{}".format(node_id)
+ extra_specs[memory] = int(memory_mb)
+
+ @staticmethod
+ def process_numa_vcpu(numa: dict, node_id: int, extra_specs: dict) -> None:
+ """Set the cpu in extra_specs.
+ Args:
+ numa (dict): A dictionary which includes numa information
+ node_id (int): ID of numa node
+ extra_specs (dict): To be filled.
+
+ """
+ if not numa.get("vcpu"):
+ return
+ vcpu = numa["vcpu"]
+ cpu = "hw:numa_cpus.{}".format(node_id)
+ vcpu = ",".join(map(str, vcpu))
+ extra_specs[cpu] = vcpu
+
+ @staticmethod
+ def process_numa_paired_threads(numa: dict, extra_specs: dict) -> Optional[int]:
+ """Fill up extra_specs if numa has paired-threads.
+ Args:
+ numa (dict): A dictionary which includes numa information
+ extra_specs (dict): To be filled.
+
+ Returns:
+ threads (int) Number of virtual cpus
+
+ """
+ if not numa.get("paired-threads"):
+ return
+
+ # cpu_thread_policy "require" implies that compute node must have an STM architecture
+ threads = numa["paired-threads"] * 2
+ extra_specs["hw:cpu_thread_policy"] = "require"
+ extra_specs["hw:cpu_policy"] = "dedicated"
+ return threads
+
+ @staticmethod
+ def process_numa_cores(numa: dict, extra_specs: dict) -> Optional[int]:
+ """Fill up extra_specs if numa has cores.
+ Args:
+ numa (dict): A dictionary which includes numa information
+ extra_specs (dict): To be filled.
+
+ Returns:
+ cores (int) Number of virtual cpus
+
+ """
+ # cpu_thread_policy "isolate" implies that the host must not have an SMT
+ # architecture, or a non-SMT architecture will be emulated
+ if not numa.get("cores"):
+ return
+ cores = numa["cores"]
+ extra_specs["hw:cpu_thread_policy"] = "isolate"
+ extra_specs["hw:cpu_policy"] = "dedicated"
+ return cores
+
+ @staticmethod
+ def process_numa_threads(numa: dict, extra_specs: dict) -> Optional[int]:
+ """Fill up extra_specs if numa has threads.
+ Args:
+ numa (dict): A dictionary which includes numa information
+ extra_specs (dict): To be filled.
+
+ Returns:
+ threads (int) Number of virtual cpus
+
+ """
+ # cpu_thread_policy "prefer" implies that the host may or may not have an SMT architecture
+ if not numa.get("threads"):
+ return
+ threads = numa["threads"]
+ extra_specs["hw:cpu_thread_policy"] = "prefer"
+ extra_specs["hw:cpu_policy"] = "dedicated"
+ return threads
+
+ def _process_numa_parameters_of_flavor(
+ self, numas: List, extra_specs: Dict
+ ) -> None:
+ """Process numa parameters and fill up extra_specs.
+
+ Args:
+ numas (list): List of dictionary which includes numa information
+ extra_specs (dict): To be filled.
+
+ """
+ numa_nodes = len(numas)
+ extra_specs["hw:numa_nodes"] = str(numa_nodes)
+ cpu_cores, cpu_threads = 0, 0
+
+ if self.vim_type == "VIO":
+ self.process_vio_numa_nodes(numa_nodes, extra_specs)
+
+ for numa in numas:
+ if "id" in numa:
+ node_id = numa["id"]
+ # overwrite ram and vcpus
+ # check if key "memory" is present in numa else use ram value at flavor
+ self.process_numa_memory(numa, node_id, extra_specs)
+ self.process_numa_vcpu(numa, node_id, extra_specs)
+
+ # See for reference: https://specs.openstack.org/openstack/nova-specs/specs/mitaka/implemented/virt-driver-cpu-thread-pinning.html
+ extra_specs["hw:cpu_sockets"] = str(numa_nodes)
+
+ if "paired-threads" in numa:
+ threads = self.process_numa_paired_threads(numa, extra_specs)
+ cpu_threads += threads
+
+ elif "cores" in numa:
+ cores = self.process_numa_cores(numa, extra_specs)
+ cpu_cores += cores
+
+ elif "threads" in numa:
+ threads = self.process_numa_threads(numa, extra_specs)
+ cpu_threads += threads
+
+ if cpu_cores:
+ extra_specs["hw:cpu_cores"] = str(cpu_cores)
+ if cpu_threads:
+ extra_specs["hw:cpu_threads"] = str(cpu_threads)
+
+ @staticmethod
+ def process_vio_numa_nodes(numa_nodes: int, extra_specs: Dict) -> None:
+ """According to number of numa nodes, updates the extra_specs for VIO.
+
+ Args:
+
+ numa_nodes (int): List keeps the numa node numbers
+ extra_specs (dict): Extra specs dict to be updated
+
+ """
+ # If there are several numas, we do not define specific affinity.
+ extra_specs["vmware:latency_sensitivity_level"] = "high"
+
+ def _change_flavor_name(
+ self, name: str, name_suffix: int, flavor_data: dict
+ ) -> str:
+ """Change the flavor name if the name already exists.
+
+ Args:
+ name (str): Flavor name to be checked
+ name_suffix (int): Suffix to be appended to name
+ flavor_data (dict): Flavor dict
+
+ Returns:
+ name (str): New flavor name to be used
+
+ """
+ # Get used names
+ fl = self.nova.flavors.list()
+ fl_names = [f.name for f in fl]
+
+ while name in fl_names:
+ name_suffix += 1
+ name = flavor_data["name"] + "-" + str(name_suffix)
+
+ return name
+
+ def _process_extended_config_of_flavor(
+ self, extended: dict, extra_specs: dict
+ ) -> None:
+ """Process the extended dict to fill up extra_specs.
+ Args:
+
+ extended (dict): Keeping the extra specification of flavor
+ extra_specs (dict) Dict to be filled to be used during flavor creation
+
+ """
+ quotas = {
+ "cpu-quota": "cpu",
+ "mem-quota": "memory",
+ "vif-quota": "vif",
+ "disk-io-quota": "disk_io",
+ }
+
+ page_sizes = {
+ "LARGE": "large",
+ "SMALL": "small",
+ "SIZE_2MB": "2MB",
+ "SIZE_1GB": "1GB",
+ "PREFER_LARGE": "any",
+ }
+
+ policies = {
+ "cpu-pinning-policy": "hw:cpu_policy",
+ "cpu-thread-pinning-policy": "hw:cpu_thread_policy",
+ "mem-policy": "hw:numa_mempolicy",
+ }
+
+ numas = extended.get("numas")
+ if numas:
+ self._process_numa_parameters_of_flavor(numas, extra_specs)
+
+ for quota, item in quotas.items():
+ if quota in extended.keys():
+ self.process_resource_quota(extended.get(quota), item, extra_specs)
+
+ # Set the mempage size as specified in the descriptor
+ if extended.get("mempage-size"):
+ if extended["mempage-size"] in page_sizes.keys():
+ extra_specs["hw:mem_page_size"] = page_sizes[extended["mempage-size"]]
+ else:
+ # Normally, validations in NBI should not allow to this condition.
+ self.logger.debug(
+ "Invalid mempage-size %s. Will be ignored",
+ extended.get("mempage-size"),
+ )
+
+ for policy, hw_policy in policies.items():
+ if extended.get(policy):
+ extra_specs[hw_policy] = extended[policy].lower()
+
+ @staticmethod
+ def _get_flavor_details(flavor_data: dict) -> Tuple:
+ """Returns the details of flavor
+ Args:
+ flavor_data (dict): Dictionary that includes required flavor details
+
+ Returns:
+ ram, vcpus, extra_specs, extended (tuple): Main items of required flavor
+
+ """
+ return (
+ flavor_data.get("ram", 64),
+ flavor_data.get("vcpus", 1),
+ {},
+ flavor_data.get("extended"),
+ )
+
+ def new_flavor(self, flavor_data: dict, change_name_if_used: bool = True) -> str:
+ """Adds a tenant flavor to openstack VIM.
+ if change_name_if_used is True, it will change name in case of conflict,
+ because it is not supported name repetition.
+
+ Args:
+ flavor_data (dict): Flavor details to be processed
+ change_name_if_used (bool): Change name in case of conflict
+
+ Returns:
+ flavor_id (str): flavor identifier
+
projects / osm / RO.git / blobdiff