def setLogLevel(level, module_name):
level = level.upper()
if level not in logging._levelNames:
LOG.error(_(' Invalid log level %s ') % level)
l = logging.getLevelName(level.upper())
if module_name == 'healthnmon':
logging.getLogger().setLevel(l)
log.getLogger().logger.setLevel(l)
else:
log.getLogger(module_name).logger.setLevel(l)
LOG.audit(_(module_name + ' log level set to %s ') % level)
def test_set_log_level_AUDIT(self):
self.log = log.getLogger('healthnmon.example')
self.assertEqual(logging.INFO, self.log.logger.getEffectiveLevel())
helper.setLogLevel('AUDIT', 'healthnmon.example')
self.assertEqual(log.logging.AUDIT,
self.log.logger.getEffectiveLevel())
def test_set_log_level_AUDIT(self):
self.log = log.getLogger('healthnmon.example')
self.assertEqual(logging.INFO, self.log.logger.getEffectiveLevel())
helper.setLogLevel('AUDIT', 'healthnmon.example')
self.assertEqual(
log.logging.AUDIT, self.log.logger.getEffectiveLevel())
def test_set_log_level_healthnmon_invalid_loglevel(self):
self.log = log.getLogger('healthnmon.example')
self.assertEqual(logging.INFO, self.log.logger.getEffectiveLevel())
helper.setLogLevel('test', 'healthnmon')
self.assertNotEqual(logging.DEBUG, self.log.logger.getEffectiveLevel())
self.assertNotEqual(logging.DEBUG,
logging.getLogger().getEffectiveLevel())
def test_set_log_level_healthnmon_invalid_loglevel(self):
self.log = log.getLogger('healthnmon.example')
self.assertEqual(logging.INFO, self.log.logger.getEffectiveLevel())
helper.setLogLevel('test', 'healthnmon')
self.assertNotEqual(logging.DEBUG, self.log.logger.getEffectiveLevel())
self.assertNotEqual(
logging.DEBUG, logging.getLogger().getEffectiveLevel())
def notify(context, message):
"""Notifies the recipient of the desired event given the model.
Log notifications using nova's default logging system"""
priority = message.get('priority',
CONF.healthnmon_default_notification_level)
priority = priority.lower()
logger = logging.getLogger('healthnmon.notification.%s'
% message['event_type'])
getattr(logger, priority)(json.dumps(message))
def setUp(self):
super(HealthnmonAuditFormatterTestCase, self).setUp()
self.log = log.getLogger()
self.stream = cStringIO.StringIO()
self.handler = logging.StreamHandler(self.stream)
self.log.logger.addHandler(self.handler)
self.formatter = log.HealthnmonFormatter()
self.handler.setFormatter(self.formatter)
self.log.logger.addHandler(self.handler)
self.level = self.log.logger.getEffectiveLevel()
self.log.logger.setLevel(logging.DEBUG)
def setUp(self):
super(HealthnmonAuditFormatterTestCase, self).setUp()
self.log = log.getLogger()
self.stream = cStringIO.StringIO()
self.handler = logging.StreamHandler(self.stream)
self.log.logger.addHandler(self.handler)
self.formatter = log.HealthnmonFormatter()
self.handler.setFormatter(self.formatter)
self.log.logger.addHandler(self.handler)
self.level = self.log.logger.getEffectiveLevel()
self.log.logger.setLevel(logging.DEBUG)
def profile_cputime(*args, **kwarg):
if not modules:
getmodules()
module = get_module_name(name)
status = get_state(module)
if status:
st = time.time()
rt = fn(*args, **kwarg)
logger = logging.getLogger(module)
logger.debug(_(' %(fn_name)s | %(time)f | ms'),
{'fn_name': name,
'time': (time.time() - st) * 1000})
return rt
else:
return fn(*args, **kwarg)
def profile_cputime(*args, **kwarg):
if not modules:
getmodules()
module = get_module_name(name)
status = get_state(module)
if status:
st = time.time()
rt = fn(*args, **kwarg)
logger = logging.getLogger(module)
logger.debug(_(' %(fn_name)s | %(time)f | ms'), {
'fn_name': name,
'time': (time.time() - st) * 1000
})
return rt
else:
return fn(*args, **kwarg)
def setUp(self):
super(HealthnmonFormatterTestCase, self).setUp()
self.flags(logging_greenthread_format_string="GTHREAD ID | "
"%(gthread_id)d | "
"%(message)s",
logging_thread_format_string="THREAD ID | "
"%(message)s")
self.log = log.getLogger()
self.stream = cStringIO.StringIO()
self.handler = logging.StreamHandler(self.stream)
self.log.logger.addHandler(self.handler)
self.formatter = log.HealthnmonFormatter()
self.handler.setFormatter(self.formatter)
self.log.logger.addHandler(self.handler)
self.level = self.log.logger.getEffectiveLevel()
self.log.logger.setLevel(logging.DEBUG)
def setUp(self):
super(HealthnmonFormatterTestCase, self).setUp()
self.flags(logging_greenthread_format_string="GTHREAD ID | "
"%(gthread_id)d | "
"%(message)s",
logging_thread_format_string="THREAD ID | "
"%(message)s")
self.log = log.getLogger()
self.stream = cStringIO.StringIO()
self.handler = logging.StreamHandler(self.stream)
self.log.logger.addHandler(self.handler)
self.formatter = log.HealthnmonFormatter()
self.handler.setFormatter(self.formatter)
self.log.logger.addHandler(self.handler)
self.level = self.log.logger.getEffectiveLevel()
self.log.logger.setLevel(logging.DEBUG)
def setUp(self):
super(HealthnmonLoggerTestCase, self).setUp()
self.flags(logging_greenthread_format_string="GTHREAD ID | "
"%(levelname)s | "
"%(gthread_id)d | "
"%(message)s",
logging_thread_format_string="THREAD ID | "
"%(thread)d | "
"%(message)s",
healthnmon_log_config=self.log_config_file_path,
healthnmon_manage_log_config=self.manage_log_config_file_path)
logdir = 'healthnmon'
if not os.path.exists(logdir):
os.makedirs(logdir)
log.setup()
self.log = log.getLogger()
def setUp(self):
super(HealthnmonLoggerTestCase, self).setUp()
self.flags(
logging_greenthread_format_string="GTHREAD ID | "
"%(levelname)s | "
"%(gthread_id)d | "
"%(message)s",
logging_thread_format_string="THREAD ID | "
"%(thread)d | "
"%(message)s",
healthnmon_log_config=self.log_config_file_path,
healthnmon_manage_log_config=self.manage_log_config_file_path)
logdir = 'healthnmon'
if not os.path.exists(logdir):
os.makedirs(logdir)
log.setup()
self.log = log.getLogger()
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2012 Hewlett-Packard Development Company, L.P.
# Module: Database schema for all ISC models
# Author: Raj N Marndi, Litty Preeth, Renuka Prasad
from sqlalchemy import Column, Integer, String, MetaData, ForeignKey, \
Boolean, Numeric, Enum, BigInteger
from sqlalchemy.schema import Table
from healthnmon import log as logging
LOG = logging.getLogger('healthnmon.db.models')
meta = MetaData()
def __common_columns():
"""
List of common column definitions for entity sub classes.
"""
return (Column('createEpoch', BigInteger),
Column('lastModifiedEpoch', BigInteger),
Column('deletedEpoch', BigInteger),
Column('deleted', Boolean, default=False))
Cost = Table('healthnmon_cost', meta, Column('id', Integer,
primary_key=True, autoincrement=True), Column('value',
Numeric(16, 2)), Column('units', String(255)))
import sys
import os
import pwd
import warnings
with warnings.catch_warnings():
warnings.simplefilter("ignore")
import paramiko
import subprocess
import time
import socket
import libvirt
from healthnmon import log
from nova import crypto
LOG = log.getLogger('healthnmon.common.sshConfiguration')
"""
Find's nova Home path
"""
def get_nova_home():
"""
retrieve home path of nova . By default it is /var/lib/nova
"""
nova_home = pwd.getpwnam('nova').pw_dir
LOG.debug(_('Nova Home Directory' + nova_home))
return nova_home
# 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.
import sys
import pyclbr
import inspect
import logging
import traceback
from nova.openstack.common import importutils
from healthnmon import log
from healthnmon.profiler import profile_cpu, profile_mem
LOG = log.getLogger('healthnmon.utils')
def profile_cputime(module, decorator_name, status):
try:
if status:
profile_cpu.add_module(module)
else:
profile_cpu.delete_module(module)
# import decorator function
decorator = importutils.import_class(decorator_name)
__import__(module)
# Retrieve module information using pyclbr
module_data = pyclbr.readmodule_ex(module)
for key in module_data.keys():
""" Healthnmon notifier api
Implements the healthnmon notifier API
"""
import uuid
from nova.openstack.common import cfg
from nova.openstack.common import timeutils, jsonutils, importutils
from healthnmon import log as logging
from nova.openstack.common import cfg
from nova import exception
import time
from healthnmon.constants import Constants
LOG = logging.getLogger('healthnmon.notifier.api')
CONF = cfg.CONF
WARN = 'WARN'
INFO = 'INFO'
ERROR = 'ERROR'
CRITICAL = 'CRITICAL'
DEBUG = 'DEBUG'
priorities = (DEBUG, WARN, INFO, ERROR, CRITICAL)
drivers = None
class BadPriorityException(Exception):
# 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.
"""
A fake (in-memory) hypervisor+api.
Allows nova testing w/o a hypervisor. This module also documents the
semantics of real hypervisor connections.
"""
from healthnmon.virt import driver
from healthnmon import log as logging
LOG = logging.getLogger('healthnmon.virt.fake')
def get_connection(_=None):
# The read_only parameter is ignored.
return FakeConnection.instance()
class FakeConnection(driver.ComputeInventoryDriver):
"""Fake hypervisor driver"""
def __init__(self):
self.instances = {}
self.host_status = {
'host_name-description': 'Fake Host',
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Defines decorator for profiling heathnmon Service
Uses heapy- for memory profiling
"""
from healthnmon import log as logging
from nova.openstack.common import cfg
import traceback
import functools
import os
LOG = logging.getLogger('healthnmon.profiler')
CONF = cfg.CONF
h = None
mem_profile_path = None
hpy = None
modules_profiling_status = {}
setref = None
def profile_memory_decorator(method, fn):
""" decorator for logging which is used from utils.monkey_patch()
:param name: name of the function
:param function: - object of the function
:returns: function -- decorated function
from healthnmon.resourcemodel.healthnmonResourceModel import ResourceUtilization
from healthnmon.utils import XMLUtils
from healthnmon.inventory_cache_manager import InventoryCacheManager
from healthnmon.events import api as event_api
from healthnmon.events import event_metadata
from healthnmon.constants import Constants
from healthnmon.perfmon.perf_stats import Stats
from healthnmon import log
from nova.openstack.common import cfg
import time
import datetime
import paramiko
CONF = cfg.CONF
LOG = log.getLogger('healthnmon.libvirt_perfdata')
class LibvirtPerfMonitor:
perfDataCache = {}
@staticmethod
def get_perfdata_fromCache(uuid, stats_type):
LOG.debug(_(' Entering into get_perfdata_fromCache for uuid ' + uuid))
if uuid in LibvirtPerfMonitor.perfDataCache:
return LibvirtPerfMonitor.perfDataCache[uuid][stats_type]
@staticmethod
def update_perfdata_InCache(uuid, old_stats, new_stats):
LOG.debug(_(' Entering into update_perfdata_InCache for uuid ' + uuid))
"""
heathnmon Service - Manage communication with compute nodes and
collects inventory and monitoring info
"""
from nova import manager, utils
from healthnmon.profiler import helper
from nova.openstack.common import importutils
from nova.openstack.common import cfg
from healthnmon.constants import Constants
from healthnmon import driver
from healthnmon import log as logging
from nova import exception
import sys
LOG = logging.getLogger("healthnmon.manager")
manager_opts = [
cfg.StrOpt(
"healthnmon_driver",
default="healthnmon.driver.Healthnmon",
help="Default driver to use for the healthnmon service",
)
]
perfmon_opts = [cfg.IntOpt("perfmon_refresh_interval", default=300, help="performance data refresh period.")]
topic_opts = [cfg.StrOpt("healthnmon_topic", default="healthnmon", help="the topic healthnmon service listen on")]
CONF = cfg.CONF
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import time
from lxml import etree
from healthnmon.resourcemodel import resourcemodel_diff
from nova import utils
from nova.openstack.common import cfg
from nova.openstack.common import timeutils
from healthnmon import log
# including instances_path defined in nova.compute.manager in order to create nova-storage-pool
CONF = cfg.CONF
CONF.import_opt('instances_path', 'nova.compute.manager')
LOG = log.getLogger(__name__)
def get_current_epoch_ms():
return long(time.time() * 1000)
def getFlagByKey(key):
""" Returns the value of the flag queried based on key"""
CONF = cfg.CONF
return CONF.get(key)
def is_service_alive(updated_at, created_at):
delta = timeutils.utcnow() - (updated_at or created_at)
return abs(utils.total_seconds(delta)) <= CONF.service_down_time
# 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.
"""
Defines decorator for profiling heathnmon Service
Uses heapy- for memory profiling
"""
from healthnmon import log as logging
from nova.openstack.common import cfg
import traceback
import functools
import os
LOG = logging.getLogger('healthnmon.profiler')
CONF = cfg.CONF
h = None
mem_profile_path = None
hpy = None
modules_profiling_status = {}
setref = None
def profile_memory_decorator(method, fn):
""" decorator for logging which is used from utils.monkey_patch()
:param name: name of the function
:param function: - object of the function
:returns: function -- decorated function
#
# 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.
"""
ResourceModelDiff - Handles comparing two resource model objects
and provides dictionary of add, update and delete attributes
"""
from healthnmon import log as logging
logging = logging.getLogger('healthnmon.resourcemodeldiff')
class ResourceModelDiff(object):
"""
ResourceModelDIff - Handles comparing two resource model objects
and provides dictionary of add, update and delete attributes
"""
def __init__(self, old_resource_model=None, new_resource_model=None):
self.old_modelobj = old_resource_model
self.new_modelobj = new_resource_model
def _collate_results(self, result):
"""Method to collate the results"""
out_result = {}
import sys
import os
import pwd
import warnings
with warnings.catch_warnings():
warnings.simplefilter("ignore")
import paramiko
import subprocess
import time
import socket
import libvirt
from healthnmon import log
from nova import crypto
LOG = log.getLogger('healthnmon.common.sshConfiguration')
"""
Find's nova Home path
"""
def get_nova_home():
"""
retrieve home path of nova . By default it is /var/lib/nova
"""
nova_home = pwd.getpwnam('nova').pw_dir
LOG.debug(_('Nova Home Directory' + nova_home))
return nova_home
# under the License.
import time
from lxml import etree
from healthnmon.resourcemodel import resourcemodel_diff
from nova import utils
from nova.openstack.common import cfg
from nova.openstack.common import timeutils
from healthnmon import log
# including instances_path defined in nova.compute.manager
# in order to create nova-storage-pool
CONF = cfg.CONF
CONF.import_opt("instances_path", "nova.compute.manager")
CONF.import_opt("service_down_time", "nova.service")
LOG = log.getLogger(__name__)
def get_current_epoch_ms():
return long(time.time() * 1000)
def getFlagByKey(key):
""" Returns the value of the flag queried based on key"""
CONF = cfg.CONF
return CONF.get(key)
def is_service_alive(updated_at, created_at):
delta = timeutils.utcnow() - (updated_at or created_at)
return abs(utils.total_seconds(delta)) <= CONF.service_down_time
"""
heathnmon Service - Manage communication with compute nodes and
collects inventory and monitoring info
"""
from nova import manager, utils
from healthnmon.profiler import helper
from nova.openstack.common import importutils
from nova.openstack.common import cfg
from healthnmon.constants import Constants
from healthnmon import driver
from healthnmon import log as logging
from nova import exception
import sys
LOG = logging.getLogger('healthnmon.manager')
manager_opts = [
cfg.StrOpt('healthnmon_driver',
default='healthnmon.driver.Healthnmon',
help='Default driver to use for the healthnmon service')
]
perfmon_opts = [
cfg.IntOpt("perfmon_refresh_interval",
default=300,
help="performance data refresh period.")
]
topic_opts = [
cfg.StrOpt('healthnmon_topic',
# 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.
"""
Handles all requests relating to inventory.
"""
from healthnmon import log as logging
from nova.openstack.common import cfg
from nova.db.sqlalchemy import api as context_api
from healthnmon.db import api
from nova.openstack.common import rpc
from nova.openstack.common import cfg
LOG = logging.getLogger('healthnmon.healthnmon_api')
api_opts = [
cfg.StrOpt('healthnmon_topic',
default='healthnmon',
help='the topic healthnmon service listen on')
]
CONF = cfg.CONF
try:
CONF.healthnmon_topic
except cfg.NoSuchOptError:
CONF.register_opts(api_opts)
'''def vm_host_get_all(context):
""" This API will make a call to db layer to fetch the list of all
# 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.
import sys
import pyclbr
import inspect
import logging
import traceback
from nova.openstack.common import importutils
from healthnmon import log
from healthnmon.profiler import profile_cpu, profile_mem
LOG = log.getLogger('healthnmon.utils')
def profile_cputime(module, decorator_name, status):
try:
if status:
profile_cpu.add_module(module)
else:
profile_cpu.delete_module(module)
# import decorator function
decorator = importutils.import_class(decorator_name)
__import__(module)
# Retrieve module information using pyclbr
module_data = pyclbr.readmodule_ex(module)
for key in module_data.keys():
# 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.
from sqlalchemy import Column, Integer, String, MetaData, ForeignKey, Boolean, Numeric, Enum, BigInteger
from sqlalchemy.schema import Table
from healthnmon import log as logging
LOG = logging.getLogger("healthnmon.db.models")
meta = MetaData()
def __common_columns():
"""
List of common column definitions for entity sub classes.
"""
return (
Column("createEpoch", BigInteger),
Column("lastModifiedEpoch", BigInteger),
Column("deletedEpoch", BigInteger),
Column("deleted", Boolean, default=False),
)
# 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.
"""
heathnmon Service default driver - Manage communication with
compute nodes and collects inventory and monitoring info
"""
from nova.openstack.common import cfg
from nova.openstack.common import importutils
from healthnmon import log as logging
LOG = logging.getLogger('healthnmon.driver')
driver_opts = [
cfg.StrOpt('healthnmon_inventory_manager',
default='healthnmon.inventory_manager.InventoryManager',
help='The healthnmon inventory manager class to use'),
]
CONF = cfg.CONF
CONF.register_opts(driver_opts)
class Healthnmon(object):
"""The base class that all healthnmon classes should inherit from."""
def __init__(self):
# 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.
"""
Handles all requests relating to inventory.
"""
from healthnmon import log as logging
from nova.openstack.common import cfg
from nova.db.sqlalchemy import api as context_api
from healthnmon.db import api
from nova.openstack.common import rpc
from nova.openstack.common import cfg
LOG = logging.getLogger('healthnmon.healthnmon_api')
api_opts = [
cfg.StrOpt('healthnmon_topic',
default='healthnmon',
help='the topic healthnmon service listen on')
]
CONF = cfg.CONF
try:
CONF.healthnmon_topic
except cfg.NoSuchOptError:
CONF.register_opts(api_opts)
#
# 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.
"""Common utility methods for events module
"""
from healthnmon.resourcemodel.healthnmonResourceModel import Vm, \
PortGroup
from healthnmon import log
LOG = log.getLogger('healthnmon.events.util')
# Properties of different resource model types for which updated event is ignored
ignoredProperties = {
Vm: [
'connectionState',
'powerState',
'cpuResourceAllocation',
'memoryResourceAllocation',
'processorSpeedMhz',
'processorSpeedTotalMhz',
'memoryConsumed',
'processorLoadPercent',
'utilization',
'limits',
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
A fake (in-memory) hypervisor+api.
Allows nova testing w/o a hypervisor. This module also documents the
semantics of real hypervisor connections.
"""
from healthnmon.virt import driver
from healthnmon import log as logging
LOG = logging.getLogger('healthnmon.virt.fake')
def get_connection(_=None):
# The read_only parameter is ignored.
return FakeConnection.instance()
class FakeConnection(driver.ComputeInventoryDriver):
"""Fake hypervisor driver"""
def __init__(self):
self.instances = {}
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Event generator module
Generates events by by calling healthnmon notifier
"""
from healthnmon.inventory_cache_manager import InventoryCacheManager
from healthnmon.events import event_metadata, payload_generator
from healthnmon.constants import Constants
from healthnmon.notifier import api as notifier_api
from nova import context
from nova.db import api as nova_db
from healthnmon import log
LOG = log.getLogger('healthnmon.events.api')
def notify(event_type, obj, **kwargs):
"""Generate event for a event type id
This API is used by the different healthnmon modules which need to generate event.
Parameters:
event_type - One of the event types declared in healthnmon.events.event_meta_data
obj - Vm, VmHost or StorageVolume object for which this event is to be generated
"""
eventmetadata_obj = event_metadata.get_EventMetaData(event_type)
payload = payload_generator.generate_payload(eventmetadata_obj, obj,
**kwargs)
import traceback
invman_opts = [
cfg.IntOpt("compute_db_check_interval", default=60, help="Interval for refresh of inventory from DB"),
cfg.IntOpt(
"compute_failures_to_offline",
default=3,
help="Number of consecutive errors \
before marking compute_node offline ",
),
cfg.StrOpt("_compute_inventory_driver", default="healthnmon.virt.connection", help="connection "),
]
CONF = cfg.CONF
CONF.register_opts(invman_opts)
LOG = logging.getLogger("healthnmon.inventory_manager")
class ComputeInventory(object):
"""Holds the compute node inventory for a particular compute node
that is being managed in the zone."""
def __init__(self, compute_rmcontext):
self.is_active = True
self.attempt = 0
self.last_seen = datetime.datetime.min
self.last_exception = None
self.last_exception_time = None
self.compute_rmcontext = compute_rmcontext
self.compute_info = {}
# 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.
"""Common utility methods for events module
"""
from healthnmon.resourcemodel.healthnmonResourceModel import Vm, \
PortGroup
from healthnmon import log
LOG = log.getLogger('healthnmon.events.util')
# Properties of different resource model types for which updated event is ignored
ignoredProperties = {Vm: [
'connectionState',
'powerState',
'cpuResourceAllocation',
'memoryResourceAllocation',
'processorSpeedMhz',
'processorSpeedTotalMhz',
'memoryConsumed',
'processorLoadPercent',
'utilization',
'limits',
'createEpoch',
# 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.
"""
ResourceModelDiff - Handles comparing two resource model objects
and provides dictionary of add, update and delete attributes
"""
from healthnmon import log as logging
logging = logging.getLogger("healthnmon.resourcemodeldiff")
class ResourceModelDiff(object):
"""
ResourceModelDIff - Handles comparing two resource model objects
and provides dictionary of add, update and delete attributes
"""
def __init__(self, old_resource_model=None, new_resource_model=None):
self.old_modelobj = old_resource_model
self.new_modelobj = new_resource_model
def _collate_results(self, result):
"""Method to collate the results"""
#
# 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.
"""
heathnmon Service default driver - Manage communication with compute nodes and collects inventory and monitoring info
"""
from nova.openstack.common import cfg
from nova.openstack.common import importutils
from nova.openstack.common import cfg
from healthnmon import log as logging
LOG = logging.getLogger('healthnmon.driver')
driver_opts = [
cfg.StrOpt('healthnmon_inventory_manager',
default='healthnmon.inventory_manager.InventoryManager',
help='The healthnmon inventory manager class to use'),
]
CONF = cfg.CONF
CONF.register_opts(driver_opts)
class Healthnmon(object):
"""The base class that all healthnmon classes should inherit from."""
def __init__(self):
self.inventory_manager = \
importutils.import_object(CONF.healthnmon_inventory_manager)
from healthnmon.resourcemodel.healthnmonResourceModel import ResourceUtilization
from healthnmon.utils import XMLUtils
from healthnmon.inventory_cache_manager import InventoryCacheManager
from healthnmon.events import api as event_api
from healthnmon.events import event_metadata
from healthnmon.constants import Constants
from healthnmon.perfmon.perf_stats import Stats
from healthnmon import log
from nova.openstack.common import cfg
import time
import datetime
import paramiko
CONF = cfg.CONF
LOG = log.getLogger('healthnmon.libvirt_perfdata')
class LibvirtPerfMonitor:
perfDataCache = {}
@staticmethod
def get_perfdata_fromCache(uuid, stats_type):
LOG.debug(_(' Entering into get_perfdata_fromCache for uuid '
+ uuid))
if uuid in LibvirtPerfMonitor.perfDataCache:
return LibvirtPerfMonitor.perfDataCache[uuid][stats_type]
@staticmethod
def update_perfdata_InCache(uuid, old_stats, new_stats):
# 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.
from sqlalchemy import Column, Integer, String, MetaData, ForeignKey, \
Boolean, Numeric, Enum, BigInteger
from sqlalchemy.schema import Table
from healthnmon import log as logging
LOG = logging.getLogger('healthnmon.db.models')
meta = MetaData()
def __common_columns():
"""
List of common column definitions for entity sub classes.
"""
return (Column('createEpoch',
BigInteger), Column('lastModifiedEpoch', BigInteger),
Column('deletedEpoch',
BigInteger), Column('deleted', Boolean, default=False))
Cost = Table('healthnmon_cost', meta,
Column('id', Integer, primary_key=True, autoincrement=True),
# License for the specific language governing permissions and limitations
# under the License.
"""Event generator module
Generates events by by calling healthnmon notifier
"""
from healthnmon.inventory_cache_manager import InventoryCacheManager
from healthnmon.events import event_metadata, payload_generator
from healthnmon.constants import Constants
from healthnmon.notifier import api as notifier_api
from nova import context
from nova.db import api as nova_db
from healthnmon import log
LOG = log.getLogger('healthnmon.events.api')
def notify(event_type, obj, **kwargs):
"""Generate event for a event type id
This API is used by the different healthnmon modules
which need to generate event.
Parameters:
event_type - One of the event types declared
in healthnmon.events.event_meta_data
obj - Vm, VmHost or StorageVolume object
for which this event is to be generated
"""
eventmetadata_obj = event_metadata.get_EventMetaData(event_type)
:libvirt_type: Libvirt domain type. Can be kvm, qemu, uml, xen
(default: kvm).
:libvirt_uri: Override for the default libvirt URI (depends on libvirt_type).
"""
from healthnmon import libvirt_inventorymonitor
from healthnmon.perfmon import libvirt_perfdata
from healthnmon.virt import driver
from healthnmon import log as logging
from nova.openstack.common import cfg
import traceback
libvirt = None
LOG = logging.getLogger('healthnmon.virt.libvirt.connection')
conn_opts = [
cfg.StrOpt('libvirt_type',
default='kvm',
help='Libvirt domain type (valid options are: '
'kvm, lxc, qemu, uml, xen)'),
cfg.StrOpt('libvirt_uri',
default='',
help='Override the default libvirt URI (which is dependent'
' on libvirt_type)')
]
CONF = cfg.CONF
CONF.register_opts(conn_opts)
:libvirt_type: Libvirt domain type. Can be kvm, qemu, uml, xen
(default: kvm).
:libvirt_uri: Override for the default libvirt URI (depends on libvirt_type).
"""
from healthnmon import libvirt_inventorymonitor
from healthnmon.perfmon import libvirt_perfdata
from healthnmon.virt import driver
from healthnmon import log as logging
from nova.openstack.common import cfg
import traceback
libvirt = None
LOG = logging.getLogger('healthnmon.virt.libvirt.connection')
conn_opts = [
cfg.StrOpt('libvirt_type',
default='kvm',
help='Libvirt domain type (valid options are: '
'kvm, lxc, qemu, uml, xen)'),
cfg.StrOpt('libvirt_uri',
default='',
help='Override the default libvirt URI (which is dependent'
' on libvirt_type)')
]
CONF = cfg.CONF
CONF.register_opts(conn_opts)
invman_opts = [
cfg.IntOpt('compute_db_check_interval',
default=60,
help='Interval for refresh of inventory from DB'),
cfg.IntOpt('compute_failures_to_offline',
default=3,
help='Number of consecutive errors \
before marking compute_node offline '),
cfg.StrOpt('_compute_inventory_driver',
default='healthnmon.virt.connection',
help='connection ')
]
CONF = cfg.CONF
CONF.register_opts(invman_opts)
LOG = logging.getLogger('healthnmon.inventory_manager')
class ComputeInventory(object):
"""Holds the compute node inventory for a particular compute node
that is being managed in the zone."""
def __init__(self, compute_rmcontext):
self.is_active = True
self.attempt = 0
self.last_seen = datetime.datetime.min
self.last_exception = None
self.last_exception_time = None
self.compute_rmcontext = compute_rmcontext
self.compute_info = {}