203 lines
7.0 KiB
Python
203 lines
7.0 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright (c) 2013-2015 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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from cgtsclient._i18n import _
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from cgtsclient.common import base
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from cgtsclient import exc
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CREATION_ATTRIBUTES = ['ihost_uuid', 'inode_uuid', 'cpu', 'core', 'thread',
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'cpu_family', 'cpu_model', 'allocated_function',
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'numa_node', 'capabilities', 'function',
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'num_cores_on_processor0', 'num_cores_on_processor1',
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'num_cores_on_processor2', 'num_cores_on_processor3']
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PLATFORM_CPU_TYPE = "Platform"
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VSWITCH_CPU_TYPE = "Vswitch"
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SHARED_CPU_TYPE = "Shared"
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APPLICATION_CPU_TYPE = "Application"
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ISOLATED_CPU_TYPE = "Application-isolated"
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NONE_CPU_TYPE = "None"
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CPU_TYPE_LIST = [PLATFORM_CPU_TYPE, VSWITCH_CPU_TYPE,
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SHARED_CPU_TYPE, APPLICATION_CPU_TYPE, ISOLATED_CPU_TYPE,
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NONE_CPU_TYPE]
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PLATFORM_CPU_TYPE_FORMAT = _("Platform")
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VSWITCH_CPU_TYPE_FORMAT = _("vSwitch")
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SHARED_CPU_TYPE_FORMAT = _("Shared")
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APPLICATION_CPU_TYPE_FORMAT = _("Application")
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ISOLATED_CPU_TYPE_FORMAT = _("Application-isolated")
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NONE_CPU_TYPE_FORMAT = _("None")
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CPU_TYPE_FORMATS = {PLATFORM_CPU_TYPE: PLATFORM_CPU_TYPE_FORMAT,
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VSWITCH_CPU_TYPE: VSWITCH_CPU_TYPE_FORMAT,
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SHARED_CPU_TYPE: SHARED_CPU_TYPE_FORMAT,
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APPLICATION_CPU_TYPE: APPLICATION_CPU_TYPE_FORMAT,
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ISOLATED_CPU_TYPE: ISOLATED_CPU_TYPE_FORMAT,
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NONE_CPU_TYPE: NONE_CPU_TYPE_FORMAT}
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def _cpu_function_formatter(allocated_function):
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if allocated_function in CPU_TYPE_FORMATS:
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return CPU_TYPE_FORMATS[allocated_function]
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return "unknown({})".format(allocated_function)
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def _cpu_function_tuple_formatter(data):
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return _cpu_function_formatter(data.allocated_function)
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class icpu(base.Resource):
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def __repr__(self):
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return "<icpu %s>" % self._info
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class icpuManager(base.Manager):
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resource_class = icpu
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def list(self, ihost_id):
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path = '/v1/ihosts/%s/icpus' % ihost_id
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return self._list(path, "icpus")
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def get(self, icpu_id):
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path = '/v1/icpus/%s' % icpu_id
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try:
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return self._list(path)[0]
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except IndexError:
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return None
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def create(self, **kwargs):
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path = '/v1/icpus/'
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new = {}
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for (key, value) in kwargs.items():
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if key in CREATION_ATTRIBUTES:
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new[key] = value
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else:
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raise exc.InvalidAttribute(key)
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return self._create(path, new)
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def delete(self, icpu_id):
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path = '/v1/icpus/%s' % icpu_id
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return self._delete(path)
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def update(self, icpu_id, patch):
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path = '/v1/icpus/%s' % icpu_id
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return self._update(path, patch)
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class CpuFunction ():
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def __init__(self, function):
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self.allocated_function = function
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self.socket_cores = {}
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self.socket_cores_number = {}
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def check_core_functions(personality, icpus):
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platform_cores = 0
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vswitch_cores = 0
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vm_cores = 0
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for cpu in icpus:
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allocated_function = cpu.allocated_function
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if allocated_function == PLATFORM_CPU_TYPE:
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platform_cores += 1
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elif allocated_function == VSWITCH_CPU_TYPE:
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vswitch_cores += 1
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elif allocated_function == APPLICATION_CPU_TYPE:
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vm_cores += 1
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error_string = ""
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if platform_cores == 0:
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error_string = ("There must be at least one core for %s." %
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PLATFORM_CPU_TYPE_FORMAT)
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elif personality == 'worker' and vswitch_cores == 0:
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error_string = ("There must be at least one core for %s." %
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VSWITCH_CPU_TYPE_FORMAT)
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elif personality == 'worker' and vm_cores == 0:
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error_string = ("There must be at least one core for %s." %
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APPLICATION_CPU_TYPE_FORMAT)
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return error_string
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def compress_range(c_list):
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c_list.append(999)
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c_list.sort()
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c_sep = ""
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c_item = ""
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c_str = ""
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pn = 0 # pn is not used until second loop anyways
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for n in c_list:
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if not c_item:
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c_item = "%s" % n
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else:
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if n > (pn + 1):
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if int(pn) == int(c_item):
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c_str = "%s%s%s" % (c_str, c_sep, c_item)
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else:
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c_str = "%s%s%s-%s" % (c_str, c_sep, c_item, pn)
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c_sep = ","
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c_item = "%s" % n
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pn = n
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return c_str
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def restructure_host_cpu_data(host):
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host.core_assignment = []
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if host.cpus:
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host.cpu_model = host.cpus[0].cpu_model
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host.sockets = len(host.nodes)
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host.hyperthreading = "No"
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host.physical_cores = 0
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core_assignment = {}
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number_of_cores = {}
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host.node_min_max_cores = {}
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for cpu in host.cpus:
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if cpu.numa_node == 0 and cpu.thread == 0:
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host.physical_cores += 1
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elif cpu.thread > 0:
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host.hyperthreading = "Yes"
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if cpu.numa_node not in host.node_min_max_cores:
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host.node_min_max_cores[cpu.numa_node] = {'min': 99999, 'max': 0}
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if cpu.cpu < host.node_min_max_cores[cpu.numa_node]['min']:
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host.node_min_max_cores[cpu.numa_node]['min'] = cpu.cpu
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if cpu.cpu > host.node_min_max_cores[cpu.numa_node]['max']:
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host.node_min_max_cores[cpu.numa_node]['max'] = cpu.cpu
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if cpu.allocated_function is None:
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cpu.allocated_function = NONE_CPU_TYPE
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if cpu.allocated_function not in core_assignment:
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core_assignment[cpu.allocated_function] = {}
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number_of_cores[cpu.allocated_function] = {}
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if cpu.numa_node not in core_assignment[cpu.allocated_function]:
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core_assignment[cpu.allocated_function][cpu.numa_node] = [int(cpu.cpu)]
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number_of_cores[cpu.allocated_function][cpu.numa_node] = 1
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else:
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core_assignment[cpu.allocated_function][cpu.numa_node].append(int(cpu.cpu))
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number_of_cores[cpu.allocated_function][cpu.numa_node] = number_of_cores[cpu.allocated_function][cpu.numa_node] + 1
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for f in CPU_TYPE_LIST:
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cpufunction = CpuFunction(f)
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if f in core_assignment:
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host.core_assignment.append(cpufunction)
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for s, cores in core_assignment[f].items():
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cpufunction.socket_cores[s] = compress_range(cores)
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cpufunction.socket_cores_number[s] = number_of_cores[f][s]
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else:
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if (f == PLATFORM_CPU_TYPE or (hasattr(host, 'subfunctions')
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and 'worker' in host.subfunctions)):
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if f != NONE_CPU_TYPE:
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host.core_assignment.append(cpufunction)
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for s in range(0, len(host.nodes)):
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cpufunction.socket_cores[s] = ""
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cpufunction.socket_cores_number[s] = 0
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