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# Copyright 2015, 2018 IBM Corp.
#
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Wrappers to parse the output of the PCM JSON data from VIOS."""
import abc
import json
import six
from pypowervm.wrappers import pcm
class ViosInfo(object):
"""Represents a monitor sample from the Virtual I/O Server monitor.
The VIOS PCM monitor JSON data can be parsed by this. The base structure
is:
- ViosInfo
- Info
- ViosSample
- ViosMemory
- ViosNetwork
- ViosNetworkAdpt (List)
- ViosSharedEthernetAdapter (List)
- ViosStorage
- ViosFCPhysAdpt (List)
- ViosFCVirtAdpt (List)
- ViosStoragePAdpt (List)
- ViosStorageVAdpt (List)
- ViosSSP (List)
"""
def __init__(self, raw_json):
data = json.loads(raw_json)
systemUtil = data.get('systemUtil')
self.info = pcm.Info(systemUtil.get('utilInfo'))
self.sample = ViosSample(systemUtil.get('utilSample'))
class ViosSample(object):
def __init__(self, util_sample):
self.time_stamp = util_sample.get('timeStamp')
# TODO(thorst) Evaluate with multi VIOS.
vios = util_sample.get('viosUtil')[0]
# Convert the ID to keep consistent with phyp.
self.id = int(vios.get('id'))
self.name = vios.get('name')
# Complex types
mem = vios.get('memory')
self.mem = ViosMemory(mem) if mem else None
net = vios.get('network')
self.network = ViosNetwork(net) if net else None
storage = vios.get('storage')
self.storage = ViosStorage(storage) if storage else None
class ViosMemory(object):
def __init__(self, mem):
self.utilized_mem = mem.get('utilizedMem')
class ViosNetwork(object):
"""The Network elements within the VIOS."""
def __init__(self, net):
self.adpts = [ViosNetworkAdpt(x)
for x in net.get('genericAdapters', [])]
self.seas = [ViosSharedEthernetAdapter(x)
for x in net.get('sharedAdapters', [])]
class ViosNetworkAdpt(object):
"""Represents a Network Adapter on the system."""
def __init__(self, adpt):
self.name = adpt.get('id')
# Type: 'virtual' or 'physical' or 'sea' (if NetworkBridge)
self.type = adpt.get('type')
self.physical_location = adpt.get('physicalLocation')
self.received_packets = adpt.get('receivedPackets')
self.sent_packets = adpt.get('sentPackets')
self.dropped_packets = adpt.get('droppedPackets')
self.received_bytes = adpt.get('receivedBytes')
self.sent_bytes = adpt.get('sentBytes')
class ViosSharedEthernetAdapter(ViosNetworkAdpt):
"""Represents a Shared Ethernet Adapter on the VIOS."""
def __init__(self, bridge):
super(ViosSharedEthernetAdapter, self).__init__(bridge)
self.bridged_adpts = bridge.get('bridgedAdapters')
class ViosStorage(object):
"""Represents the storage elements on the VIOS."""
def __init__(self, storage):
fc_adpts = storage.get('fiberChannelAdapters', [])
self.fc_adpts = [ViosFCPhysAdpt(x) for x in fc_adpts]
phys_adpts = storage.get('genericPhysicalAdapters', [])
self.phys_adpts = [ViosStoragePAdpt(x) for x in phys_adpts]
virt_adpts = storage.get('genericVirtualAdapters', [])
self.virt_adpts = [ViosStorageVAdpt(x) for x in virt_adpts]
ssps = storage.get('sharedStoragePools', [])
self.ssps = [ViosSSP(x) for x in ssps]
@six.add_metaclass(abc.ABCMeta)
class ViosStorageAdpt(object):
"""Base class for storage adapters."""
def __init__(self, adpt):
self.name = adpt.get('id')
self.physical_location = adpt.get('physicalLocation')
self.num_reads = adpt.get('numOfReads')
self.num_writes = adpt.get('numOfWrites')
self.read_bytes = adpt.get('readBytes')
self.write_bytes = adpt.get('writeBytes')
class ViosFCPhysAdpt(ViosStorageAdpt):
"""Represents a physical fiber channel adapter on the VIOS."""
def __init__(self, adpt):
super(ViosFCPhysAdpt, self).__init__(adpt)
self.wwpn = adpt.get('wwpn')
# Appears to be Gb/s interface speed
self.running_speed = adpt.get('runningSpeed')
# TODO(thorst) Add FC Ports (need vfc mappings)
vadpts = adpt.get('ports', [])
self.ports = [ViosFCVirtAdpt(x) for x in vadpts]
class ViosFCVirtAdpt(ViosStorageAdpt):
"""Represents a Virtual FC Port (NPIV)."""
def __init__(self, vadpt):
super(ViosFCVirtAdpt, self).__init__(vadpt)
self.wwpn = vadpt.get('wwpn')
# Appears to be Gb/s interface speed
self.running_speed = vadpt.get('runningSpeed')
class ViosStoragePAdpt(ViosStorageAdpt):
"""Represents a physical storage adapter (typically a SAS drive)."""
def __init__(self, adpt):
super(ViosStoragePAdpt, self).__init__(adpt)
self.type = adpt.get('type')
class ViosStorageVAdpt(ViosStorageAdpt):
"""Represents a virtual storage adapter (vscsi)."""
def __init__(self, adpt):
super(ViosStorageVAdpt, self).__init__(adpt)
self.type = adpt.get('type')
class ViosSSP(object):
"""Represents a Shared Storage Pool (entire element)."""
def __init__(self, ssp):
self.name = ssp.get('id')
self.pool_disks = ssp.get('poolDisks')
self.num_reads = ssp.get('numOfReads')
self.num_writes = ssp.get('numOfWrites')
self.total_space = ssp.get('totalSpace')
self.used_space = ssp.get('usedSpace')
self.read_bytes = ssp.get('readBytes')
self.write_bytes = ssp.get('writeBytes')
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