_FS_UNAVAIL = object()
_FS_OFFLINE = object()
+#: List of all special status
+_FS_ALL = frozenset([_FS_UNKNOWN, _FS_NODATA, _FS_UNAVAIL, _FS_OFFLINE])
+
#: VType to QFT mapping
_VTToQFT = {
# TODO: fix validation of empty strings
return not fn(lhs, rhs)
+def _PrepareRegex(pattern):
+ """Compiles a regular expression.
+
+ """
+ try:
+ return re.compile(pattern)
+ except re.error, err:
+ raise errors.ParameterError("Invalid regex pattern (%s)" % err)
+
+
class _FilterCompilerHelper:
"""Converts a query filter to a callable usable for filtering.
_EQUALITY_CHECKS = [
(QFF_HOSTNAME,
lambda lhs, rhs: utils.MatchNameComponent(rhs, [lhs],
- case_sensitive=False)),
- (None, operator.eq),
+ case_sensitive=False),
+ None),
+ (None, operator.eq, None),
]
"""Known operators
- C{_OPTYPE_LOGIC}: Callable taking any number of arguments; used by
L{_HandleLogicOp}
- - C{_OPTYPE_UNARY}: Callable taking exactly one parameter; used by
- L{_HandleUnaryOp}
+ - C{_OPTYPE_UNARY}: Always C{None}; details handled by L{_HandleUnaryOp}
- C{_OPTYPE_BINARY}: Callable taking exactly two parameters, the left- and
right-hand side of the operator, used by L{_HandleBinaryOp}
qlang.OP_AND: (_OPTYPE_LOGIC, compat.all),
# Unary operators
- qlang.OP_NOT: (_OPTYPE_UNARY, operator.not_),
+ qlang.OP_NOT: (_OPTYPE_UNARY, None),
+ qlang.OP_TRUE: (_OPTYPE_UNARY, None),
# Binary operators
qlang.OP_EQUAL: (_OPTYPE_BINARY, _EQUALITY_CHECKS),
qlang.OP_NOT_EQUAL:
- (_OPTYPE_BINARY, [(flags, compat.partial(_WrapNot, fn))
- for (flags, fn) in _EQUALITY_CHECKS]),
- qlang.OP_GLOB: (_OPTYPE_BINARY, NotImplemented),
- qlang.OP_REGEXP: (_OPTYPE_BINARY, NotImplemented),
+ (_OPTYPE_BINARY, [(flags, compat.partial(_WrapNot, fn), valprepfn)
+ for (flags, fn, valprepfn) in _EQUALITY_CHECKS]),
+ qlang.OP_REGEXP: (_OPTYPE_BINARY, [
+ (None, lambda lhs, rhs: rhs.search(lhs), _PrepareRegex),
+ ]),
qlang.OP_CONTAINS: (_OPTYPE_BINARY, [
- (None, operator.contains),
+ (None, operator.contains, None),
]),
}
return handler(hints_cb, level, op, op_data, operands)
+ def _LookupField(self, name):
+ """Returns a field definition by name.
+
+ """
+ try:
+ return self._fields[name]
+ except KeyError:
+ raise errors.ParameterError("Unknown field '%s'" % name)
+
def _HandleLogicOp(self, hints_fn, level, op, op_fn, operands):
"""Handles logic operators.
@param operands: List of operands
"""
+ assert op_fn is None
+
if hints_fn:
hints_fn(op)
raise errors.ParameterError("Unary operator '%s' expects exactly one"
" operand" % op)
- return compat.partial(_WrapUnaryOp, op_fn,
- self._Compile(operands[0], level + 1))
+ if op == qlang.OP_TRUE:
+ (_, _, _, retrieval_fn) = self._LookupField(operands[0])
+
+ op_fn = operator.truth
+ arg = retrieval_fn
+ elif op == qlang.OP_NOT:
+ op_fn = operator.not_
+ arg = self._Compile(operands[0], level + 1)
+ else:
+ raise errors.ProgrammerError("Can't handle operator '%s'" % op)
+
+ return compat.partial(_WrapUnaryOp, op_fn, arg)
def _HandleBinaryOp(self, hints_fn, level, op, op_data, operands):
"""Handles binary operators.
raise errors.ParameterError("Invalid binary operator, expected exactly"
" two operands")
- try:
- (fdef, datakind, field_flags, retrieval_fn) = self._fields[name]
- except KeyError:
- raise errors.ParameterError("Unknown field '%s'" % name)
+ (fdef, datakind, field_flags, retrieval_fn) = self._LookupField(name)
assert fdef.kind != QFT_UNKNOWN
if hints_fn:
hints_fn(op, datakind, name, value)
- for (fn_flags, fn) in op_data:
+ for (fn_flags, fn, valprepfn) in op_data:
if fn_flags is None or fn_flags & field_flags:
+ # Prepare value if necessary (e.g. compile regular expression)
+ if valprepfn:
+ value = valprepfn(value)
+
return compat.partial(_WrapBinaryOp, fn, retrieval_fn, value)
raise errors.ProgrammerError("Unable to find operator implementation"
return lambda _, item: getter(item)
+def _ConvWrapInner(convert, fn, ctx, item):
+ """Wrapper for converting values.
+
+ @param convert: Conversion function receiving value as single parameter
+ @param fn: Retrieval function
+
+ """
+ value = fn(ctx, item)
+
+ # Is the value an abnormal status?
+ if compat.any(value is fs for fs in _FS_ALL):
+ # Return right away
+ return value
+
+ # TODO: Should conversion function also receive context, item or both?
+ return convert(value)
+
+
+def _ConvWrap(convert, fn):
+ """Convenience wrapper for L{_ConvWrapInner}.
+
+ @param convert: Conversion function receiving value as single parameter
+ @param fn: Retrieval function
+
+ """
+ return compat.partial(_ConvWrapInner, convert, fn)
+
+
def _GetItemTimestamp(getter):
"""Returns function for getting timestamp of item.
# Used for individual rows
self.inst_hvparams = None
self.inst_beparams = None
+ self.inst_osparams = None
self.inst_nicparams = None
def __iter__(self):
for inst in self.instances:
self.inst_hvparams = self.cluster.FillHV(inst, skip_globals=True)
self.inst_beparams = self.cluster.FillBE(inst)
+ self.inst_osparams = self.cluster.SimpleFillOS(inst.os, inst.osparams)
self.inst_nicparams = [self.cluster.SimpleFillNIC(nic.nicparams)
for nic in inst.nics]
fields = [
# Filled parameters
(_MakeField("hvparams", "HypervisorParameters", QFT_OTHER,
- "Hypervisor parameters"),
+ "Hypervisor parameters (merged)"),
IQ_CONFIG, 0, lambda ctx, _: ctx.inst_hvparams),
(_MakeField("beparams", "BackendParameters", QFT_OTHER,
- "Backend parameters"),
+ "Backend parameters (merged)"),
IQ_CONFIG, 0, lambda ctx, _: ctx.inst_beparams),
+ (_MakeField("osparams", "OpSysParameters", QFT_OTHER,
+ "Operating system parameters (merged)"),
+ IQ_CONFIG, 0, lambda ctx, _: ctx.inst_osparams),
# Unfilled parameters
(_MakeField("custom_hvparams", "CustomHypervisorParameters", QFT_OTHER,
(_MakeField("custom_beparams", "CustomBackendParameters", QFT_OTHER,
"Custom backend parameters",),
IQ_CONFIG, 0, _GetItemAttr("beparams")),
+ (_MakeField("custom_osparams", "CustomOpSysParameters", QFT_OTHER,
+ "Custom operating system parameters",),
+ IQ_CONFIG, 0, _GetItemAttr("osparams")),
(_MakeField("custom_nicparams", "CustomNicParameters", QFT_OTHER,
"Custom network interface parameters"),
IQ_CONFIG, 0, lambda ctx, inst: [nic.nicparams for nic in inst.nics]),
GQ_INST, 0, _GetSortedList(group_to_instances)),
])
+ # Other fields
+ fields.extend([
+ (_MakeField("tags", "Tags", QFT_OTHER, "Tags"), GQ_CONFIG, 0,
+ lambda ctx, group: list(group.GetTags())),
+ ])
+
fields.extend(_GetItemTimestampFields(GQ_CONFIG))
return _PrepareFieldList(fields, [])
+class OsInfo(objects.ConfigObject):
+ __slots__ = [
+ "name",
+ "valid",
+ "hidden",
+ "blacklisted",
+ "variants",
+ "api_versions",
+ "parameters",
+ "node_status",
+ ]
+
+
+def _BuildOsFields():
+ """Builds list of fields for operating system queries.
+
+ """
+ fields = [
+ (_MakeField("name", "Name", QFT_TEXT, "Operating system name"),
+ None, 0, _GetItemAttr("name")),
+ (_MakeField("valid", "Valid", QFT_BOOL,
+ "Whether operating system definition is valid"),
+ None, 0, _GetItemAttr("valid")),
+ (_MakeField("hidden", "Hidden", QFT_BOOL,
+ "Whether operating system is hidden"),
+ None, 0, _GetItemAttr("hidden")),
+ (_MakeField("blacklisted", "Blacklisted", QFT_BOOL,
+ "Whether operating system is blacklisted"),
+ None, 0, _GetItemAttr("blacklisted")),
+ (_MakeField("variants", "Variants", QFT_OTHER,
+ "Operating system variants"),
+ None, 0, _ConvWrap(utils.NiceSort, _GetItemAttr("variants"))),
+ (_MakeField("api_versions", "ApiVersions", QFT_OTHER,
+ "Operating system API versions"),
+ None, 0, _ConvWrap(sorted, _GetItemAttr("api_versions"))),
+ (_MakeField("parameters", "Parameters", QFT_OTHER,
+ "Operating system parameters"),
+ None, 0, _ConvWrap(utils.NiceSort, _GetItemAttr("parameters"))),
+ (_MakeField("node_status", "NodeStatus", QFT_OTHER,
+ "Status from node"),
+ None, 0, _GetItemAttr("node_status")),
+ ]
+
+ return _PrepareFieldList(fields, [])
+
+
#: Fields available for node queries
NODE_FIELDS = _BuildNodeFields()
#: Fields available for node group queries
GROUP_FIELDS = _BuildGroupFields()
+#: Fields available for operating system queries
+OS_FIELDS = _BuildOsFields()
+
#: All available resources
ALL_FIELDS = {
constants.QR_INSTANCE: INSTANCE_FIELDS,
constants.QR_NODE: NODE_FIELDS,
constants.QR_LOCK: LOCK_FIELDS,
constants.QR_GROUP: GROUP_FIELDS,
+ constants.QR_OS: OS_FIELDS,
}
#: All available field lists
projects / ganeti-local / blobdiff