def get_class_version(conn, name, namespace=None, cache=None):
"""
Query broker for version of particular CIM class. Version is stored in
``Version`` qualifier of particular CIM class.
:param conn: Connection object.
:param string name: Name of class to query.
:param string namespace: Optional CIM namespace. Defaults to configured namespace.
:param dictionary cache: Optional cache used to speed up expression prrocessing.
:returns: Version of CIM matching class. Empty string if class is registered but
is missing ``Version`` qualifier and ``None`` if it is not registered.
:rtype: string
"""
if namespace is None:
namespace = Configuration.get_instance().namespace
if cache and (namespace, name) in cache:
return cache[(conn.uri, namespace, name)]
ns = conn.get_namespace(namespace)
cls = getattr(ns, name, None)
if not cls:
ret = None
else:
quals = cls.wrapped_object.qualifiers
if 'Version' not in quals:
ret = ''
else:
ret = quals['Version'].value
if cache is not None:
cache[(conn.uri, namespace, name)] = ret
return ret
def _process_property(prop, inst):
"""
Takes a single property and instance. Returns computed value.
:rtype: ``(str, any)`` A pair of property name and value.
"""
if isinstance(prop, basestring):
prop_name = prop
if not prop in inst.properties():
LOG().warn('property "%s" not present in instance of "%s"',
prop, inst.path)
value = "UNKNOWN"
else:
value = getattr(inst, prop)
else:
if not isinstance(prop, (tuple, list)):
raise TypeError("prop must be a string or tuple, not %s" %
repr(prop))
prop_name = prop[0]
try:
if callable(prop[1]):
value = prop[1](inst)
else:
value = getattr(inst, prop[1])
except Exception as exc:
if Configuration.get_instance().trace:
LOG().exception('failed to render property "%s"', prop[0])
else:
LOG().error('failed to render property "%s": %s', prop[0],
exc)
value = "ERROR"
return prop_name, value
def _process_property(prop, inst):
"""
Takes a single property and instance. Returns computed value.
:rtype: ``(str, any)`` A pair of property name and value.
"""
if isinstance(prop, basestring):
prop_name = prop
if not prop in inst.properties():
LOG().warn('property "%s" not present in instance of "%s"', prop, inst.path)
value = "UNKNOWN"
else:
value = getattr(inst, prop)
else:
if not isinstance(prop, (tuple, list)):
raise TypeError("prop must be a string or tuple, not %s" % repr(prop))
prop_name = prop[0]
try:
if callable(prop[1]):
value = prop[1](inst)
else:
value = getattr(inst, prop[1])
except Exception as exc:
if Configuration.get_instance().trace:
LOG().exception('failed to render property "%s"', prop[0])
else:
LOG().error('failed to render property "%s": %s', prop[0], exc)
value = "ERROR"
return prop_name, value
def __init__(self, namespace=None):
if namespace is not None and not isinstance(namespace, basestring):
raise TypeError("namespace must be a string")
if namespace is None:
namespace = Configuration.get_instance().get_safe(
"Main", "CommandNamespace")
self._namespace = namespace
self._commands = {}
self._load_commands()
def __init__(self, namespace=None):
if namespace is not None and not isinstance(namespace, basestring):
raise TypeError("namespace must be a string")
if namespace is None:
namespace = Configuration.get_instance().get_safe(
"Main", "CommandNamespace")
self._namespace = namespace
self._commands = {}
self._load_commands()
def cim_namespace(cls):
"""
This returns default cim namespace, the connection object will be
nested into before being passed to associated function.
It can be overriden in few ways:
1. by setting ``[CIM] Namespace`` option in configuration
2. by giving ``--namespace`` argument on command line to the
``lmi`` meta-command
3. by setting ``NAMESPACE`` property in declaration of command
Higher number means higher priority.
"""
return Configuration.get_instance().namespace
def cim_namespace(cls):
"""
This returns default cim namespace, the connection object will be
nested into before being passed to associated function.
It can be overriden in few ways:
1. by setting ``[CIM] Namespace`` option in configuration
2. by giving ``--namespace`` argument on command line to the
``lmi`` meta-command
3. by setting ``NAMESPACE`` property in declaration of command
Higher number means higher priority.
"""
return Configuration.get_instance().namespace
def eval_respl(expr, conn, namespace=None, cache=None):
"""
Evaluate LMIReSpL expression on particular broker.
:param string expr: Expression to evaluate.
:param conn: Connection object.
:param string namespace: Optional CIM namespace where CIM classes will be
searched.
:param dictionary cache: Optional cache speeding up evaluation.
:returns: ``True`` if requirements in expression are satisfied.
:rtype: boolean
"""
if namespace is None:
namespace = Configuration.get_instance().namespace
stack = []
pvget = functools.partial(get_profile_version, conn, cache=cache)
cvget = functools.partial(get_class_version, conn,
namespace=namespace, cache=cache)
pr = parser.bnf_parser(stack, pvget, cvget)
pr.parseString(expr, parseAll=True)
# Now evaluate starting non-terminal created on stack.
return stack[0]()
import urlparse
from lmi.scripts.common import Configuration
from lmi.scripts.common import get_logger
PYTHON_EGG_NAME = "openlmi-scripts"
RE_NETLOC = re.compile(r'^((?P<username>[^:@]+)(:(?P<password>[^@]+))?@)?'
r'(?P<hostname>[^:]+)(:(?P<port>\d+))?$')
DEFAULT_LOGGING_CONFIG = {
'version': 1,
'disable_existing_loggers': True,
'formatters': {
'console': {
'format': Configuration.default_options()['ConsoleFormat'],
'datefmt': '%Y-%m-%d %H:%M:%S'
},
'file': {
'format': Configuration.default_options()['FileFormat'],
'datefmt': '%Y-%m-%d %H:%M:%S'
}
},
'handlers': {
'console': {
'class': "logging.StreamHandler",
'level': logging.ERROR,
'formatter': 'console',
},
'file': {
'class': "logging.FileHandler",
import urlparse
from lmi.scripts.common import Configuration
from lmi.scripts.common import get_logger
PYTHON_EGG_NAME = "openlmi-scripts"
RE_NETLOC = re.compile(r'^((?P<username>[^:@]+)(:(?P<password>[^@]+))?@)?'
r'(?P<hostname>[^:]+)(:(?P<port>\d+))?$')
DEFAULT_LOGGING_CONFIG = {
'version' : 1,
'disable_existing_loggers': True,
'formatters' : {
'console' : {
'format': Configuration.default_options()['ConsoleFormat'],
'datefmt' : '%Y-%m-%d %H:%M:%S'
},
'file' : {
'format' : Configuration.default_options()['FileFormat'],
'datefmt' : '%Y-%m-%d %H:%M:%S'
}
},
'handlers' : {
'console': {
'class' : "logging.StreamHandler",
'level' : logging.ERROR,
'formatter': 'console',
},
'file' : {
'class' : "logging.FileHandler",
