root / lib / opcodes.py @ 45d4c81c
History | View | Annotate | Download (42.2 kB)
1 |
#
|
---|---|
2 |
#
|
3 |
|
4 |
# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
|
5 |
#
|
6 |
# This program is free software; you can redistribute it and/or modify
|
7 |
# it under the terms of the GNU General Public License as published by
|
8 |
# the Free Software Foundation; either version 2 of the License, or
|
9 |
# (at your option) any later version.
|
10 |
#
|
11 |
# This program is distributed in the hope that it will be useful, but
|
12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 |
# General Public License for more details.
|
15 |
#
|
16 |
# You should have received a copy of the GNU General Public License
|
17 |
# along with this program; if not, write to the Free Software
|
18 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 |
# 02110-1301, USA.
|
20 |
|
21 |
|
22 |
"""OpCodes module
|
23 |
|
24 |
This module implements the data structures which define the cluster
|
25 |
operations - the so-called opcodes.
|
26 |
|
27 |
Every operation which modifies the cluster state is expressed via
|
28 |
opcodes.
|
29 |
|
30 |
"""
|
31 |
|
32 |
# this are practically structures, so disable the message about too
|
33 |
# few public methods:
|
34 |
# pylint: disable-msg=R0903
|
35 |
|
36 |
import logging |
37 |
import re |
38 |
import operator |
39 |
|
40 |
from ganeti import constants |
41 |
from ganeti import errors |
42 |
from ganeti import ht |
43 |
|
44 |
|
45 |
# Common opcode attributes
|
46 |
|
47 |
#: output fields for a query operation
|
48 |
_POutputFields = ("output_fields", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
49 |
"Selected output fields")
|
50 |
|
51 |
#: the shutdown timeout
|
52 |
_PShutdownTimeout = \ |
53 |
("shutdown_timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT, ht.TPositiveInt,
|
54 |
"How long to wait for instance to shut down")
|
55 |
|
56 |
#: the force parameter
|
57 |
_PForce = ("force", False, ht.TBool, "Whether to force the operation") |
58 |
|
59 |
#: a required instance name (for single-instance LUs)
|
60 |
_PInstanceName = ("instance_name", ht.NoDefault, ht.TNonEmptyString,
|
61 |
"Instance name")
|
62 |
|
63 |
#: Whether to ignore offline nodes
|
64 |
_PIgnoreOfflineNodes = ("ignore_offline_nodes", False, ht.TBool, |
65 |
"Whether to ignore offline nodes")
|
66 |
|
67 |
#: a required node name (for single-node LUs)
|
68 |
_PNodeName = ("node_name", ht.NoDefault, ht.TNonEmptyString, "Node name") |
69 |
|
70 |
#: a required node group name (for single-group LUs)
|
71 |
_PGroupName = ("group_name", ht.NoDefault, ht.TNonEmptyString, "Group name") |
72 |
|
73 |
#: Migration type (live/non-live)
|
74 |
_PMigrationMode = ("mode", None, |
75 |
ht.TOr(ht.TNone, ht.TElemOf(constants.HT_MIGRATION_MODES)), |
76 |
"Migration mode")
|
77 |
|
78 |
#: Obsolete 'live' migration mode (boolean)
|
79 |
_PMigrationLive = ("live", None, ht.TMaybeBool, |
80 |
"Legacy setting for live migration, do not use")
|
81 |
|
82 |
#: Tag type
|
83 |
_PTagKind = ("kind", ht.NoDefault, ht.TElemOf(constants.VALID_TAG_TYPES), None) |
84 |
|
85 |
#: List of tag strings
|
86 |
_PTags = ("tags", ht.NoDefault, ht.TListOf(ht.TNonEmptyString), None) |
87 |
|
88 |
_PForceVariant = ("force_variant", False, ht.TBool, |
89 |
"Whether to force an unknown OS variant")
|
90 |
|
91 |
_PWaitForSync = ("wait_for_sync", True, ht.TBool, |
92 |
"Whether to wait for the disk to synchronize")
|
93 |
|
94 |
_PIgnoreConsistency = ("ignore_consistency", False, ht.TBool, |
95 |
"Whether to ignore disk consistency")
|
96 |
|
97 |
_PStorageName = ("name", ht.NoDefault, ht.TMaybeString, "Storage name") |
98 |
|
99 |
_PUseLocking = ("use_locking", False, ht.TBool, |
100 |
"Whether to use synchronization")
|
101 |
|
102 |
_PNameCheck = ("name_check", True, ht.TBool, "Whether to check name") |
103 |
|
104 |
_PNodeGroupAllocPolicy = \ |
105 |
("alloc_policy", None, |
106 |
ht.TOr(ht.TNone, ht.TElemOf(constants.VALID_ALLOC_POLICIES)), |
107 |
"Instance allocation policy")
|
108 |
|
109 |
_PGroupNodeParams = ("ndparams", None, ht.TMaybeDict, |
110 |
"Default node parameters for group")
|
111 |
|
112 |
_PIpCheckDoc = "Whether to ensure instance's IP address is inactive"
|
113 |
|
114 |
#: OP_ID conversion regular expression
|
115 |
_OPID_RE = re.compile("([a-z])([A-Z])")
|
116 |
|
117 |
#: Utility function for L{OpClusterSetParams}
|
118 |
_TestClusterOsList = ht.TOr(ht.TNone, |
119 |
ht.TListOf(ht.TAnd(ht.TList, ht.TIsLength(2),
|
120 |
ht.TMap(ht.WithDesc("GetFirstItem")(operator.itemgetter(0)), |
121 |
ht.TElemOf(constants.DDMS_VALUES))))) |
122 |
|
123 |
|
124 |
def _NameToId(name): |
125 |
"""Convert an opcode class name to an OP_ID.
|
126 |
|
127 |
@type name: string
|
128 |
@param name: the class name, as OpXxxYyy
|
129 |
@rtype: string
|
130 |
@return: the name in the OP_XXXX_YYYY format
|
131 |
|
132 |
"""
|
133 |
if not name.startswith("Op"): |
134 |
return None |
135 |
# Note: (?<=[a-z])(?=[A-Z]) would be ideal, since it wouldn't
|
136 |
# consume any input, and hence we would just have all the elements
|
137 |
# in the list, one by one; but it seems that split doesn't work on
|
138 |
# non-consuming input, hence we have to process the input string a
|
139 |
# bit
|
140 |
name = _OPID_RE.sub(r"\1,\2", name)
|
141 |
elems = name.split(",")
|
142 |
return "_".join(n.upper() for n in elems) |
143 |
|
144 |
|
145 |
def RequireFileStorage(): |
146 |
"""Checks that file storage is enabled.
|
147 |
|
148 |
While it doesn't really fit into this module, L{utils} was deemed too large
|
149 |
of a dependency to be imported for just one or two functions.
|
150 |
|
151 |
@raise errors.OpPrereqError: when file storage is disabled
|
152 |
|
153 |
"""
|
154 |
if not constants.ENABLE_FILE_STORAGE: |
155 |
raise errors.OpPrereqError("File storage disabled at configure time", |
156 |
errors.ECODE_INVAL) |
157 |
|
158 |
|
159 |
@ht.WithDesc("CheckFileStorage") |
160 |
def _CheckFileStorage(value): |
161 |
"""Ensures file storage is enabled if used.
|
162 |
|
163 |
"""
|
164 |
if value == constants.DT_FILE:
|
165 |
RequireFileStorage() |
166 |
return True |
167 |
|
168 |
|
169 |
_CheckDiskTemplate = ht.TAnd(ht.TElemOf(constants.DISK_TEMPLATES), |
170 |
_CheckFileStorage) |
171 |
|
172 |
|
173 |
def _CheckStorageType(storage_type): |
174 |
"""Ensure a given storage type is valid.
|
175 |
|
176 |
"""
|
177 |
if storage_type not in constants.VALID_STORAGE_TYPES: |
178 |
raise errors.OpPrereqError("Unknown storage type: %s" % storage_type, |
179 |
errors.ECODE_INVAL) |
180 |
if storage_type == constants.ST_FILE:
|
181 |
RequireFileStorage() |
182 |
return True |
183 |
|
184 |
|
185 |
#: Storage type parameter
|
186 |
_PStorageType = ("storage_type", ht.NoDefault, _CheckStorageType,
|
187 |
"Storage type")
|
188 |
|
189 |
|
190 |
class _AutoOpParamSlots(type): |
191 |
"""Meta class for opcode definitions.
|
192 |
|
193 |
"""
|
194 |
def __new__(mcs, name, bases, attrs): |
195 |
"""Called when a class should be created.
|
196 |
|
197 |
@param mcs: The meta class
|
198 |
@param name: Name of created class
|
199 |
@param bases: Base classes
|
200 |
@type attrs: dict
|
201 |
@param attrs: Class attributes
|
202 |
|
203 |
"""
|
204 |
assert "__slots__" not in attrs, \ |
205 |
"Class '%s' defines __slots__ when it should use OP_PARAMS" % name
|
206 |
assert "OP_ID" not in attrs, "Class '%s' defining OP_ID" % name |
207 |
|
208 |
attrs["OP_ID"] = _NameToId(name)
|
209 |
|
210 |
# Always set OP_PARAMS to avoid duplicates in BaseOpCode.GetAllParams
|
211 |
params = attrs.setdefault("OP_PARAMS", [])
|
212 |
|
213 |
# Use parameter names as slots
|
214 |
slots = [pname for (pname, _, _, _) in params] |
215 |
|
216 |
assert "OP_DSC_FIELD" not in attrs or attrs["OP_DSC_FIELD"] in slots, \ |
217 |
"Class '%s' uses unknown field in OP_DSC_FIELD" % name
|
218 |
|
219 |
attrs["__slots__"] = slots
|
220 |
|
221 |
return type.__new__(mcs, name, bases, attrs) |
222 |
|
223 |
|
224 |
class BaseOpCode(object): |
225 |
"""A simple serializable object.
|
226 |
|
227 |
This object serves as a parent class for OpCode without any custom
|
228 |
field handling.
|
229 |
|
230 |
"""
|
231 |
# pylint: disable-msg=E1101
|
232 |
# as OP_ID is dynamically defined
|
233 |
__metaclass__ = _AutoOpParamSlots |
234 |
|
235 |
def __init__(self, **kwargs): |
236 |
"""Constructor for BaseOpCode.
|
237 |
|
238 |
The constructor takes only keyword arguments and will set
|
239 |
attributes on this object based on the passed arguments. As such,
|
240 |
it means that you should not pass arguments which are not in the
|
241 |
__slots__ attribute for this class.
|
242 |
|
243 |
"""
|
244 |
slots = self._all_slots()
|
245 |
for key in kwargs: |
246 |
if key not in slots: |
247 |
raise TypeError("Object %s doesn't support the parameter '%s'" % |
248 |
(self.__class__.__name__, key))
|
249 |
setattr(self, key, kwargs[key]) |
250 |
|
251 |
def __getstate__(self): |
252 |
"""Generic serializer.
|
253 |
|
254 |
This method just returns the contents of the instance as a
|
255 |
dictionary.
|
256 |
|
257 |
@rtype: C{dict}
|
258 |
@return: the instance attributes and their values
|
259 |
|
260 |
"""
|
261 |
state = {} |
262 |
for name in self._all_slots(): |
263 |
if hasattr(self, name): |
264 |
state[name] = getattr(self, name) |
265 |
return state
|
266 |
|
267 |
def __setstate__(self, state): |
268 |
"""Generic unserializer.
|
269 |
|
270 |
This method just restores from the serialized state the attributes
|
271 |
of the current instance.
|
272 |
|
273 |
@param state: the serialized opcode data
|
274 |
@type state: C{dict}
|
275 |
|
276 |
"""
|
277 |
if not isinstance(state, dict): |
278 |
raise ValueError("Invalid data to __setstate__: expected dict, got %s" % |
279 |
type(state))
|
280 |
|
281 |
for name in self._all_slots(): |
282 |
if name not in state and hasattr(self, name): |
283 |
delattr(self, name) |
284 |
|
285 |
for name in state: |
286 |
setattr(self, name, state[name]) |
287 |
|
288 |
@classmethod
|
289 |
def _all_slots(cls): |
290 |
"""Compute the list of all declared slots for a class.
|
291 |
|
292 |
"""
|
293 |
slots = [] |
294 |
for parent in cls.__mro__: |
295 |
slots.extend(getattr(parent, "__slots__", [])) |
296 |
return slots
|
297 |
|
298 |
@classmethod
|
299 |
def GetAllParams(cls): |
300 |
"""Compute list of all parameters for an opcode.
|
301 |
|
302 |
"""
|
303 |
slots = [] |
304 |
for parent in cls.__mro__: |
305 |
slots.extend(getattr(parent, "OP_PARAMS", [])) |
306 |
return slots
|
307 |
|
308 |
def Validate(self, set_defaults): |
309 |
"""Validate opcode parameters, optionally setting default values.
|
310 |
|
311 |
@type set_defaults: bool
|
312 |
@param set_defaults: Whether to set default values
|
313 |
@raise errors.OpPrereqError: When a parameter value doesn't match
|
314 |
requirements
|
315 |
|
316 |
"""
|
317 |
for (attr_name, default, test, _) in self.GetAllParams(): |
318 |
assert test == ht.NoType or callable(test) |
319 |
|
320 |
if not hasattr(self, attr_name): |
321 |
if default == ht.NoDefault:
|
322 |
raise errors.OpPrereqError("Required parameter '%s.%s' missing" % |
323 |
(self.OP_ID, attr_name),
|
324 |
errors.ECODE_INVAL) |
325 |
elif set_defaults:
|
326 |
if callable(default): |
327 |
dval = default() |
328 |
else:
|
329 |
dval = default |
330 |
setattr(self, attr_name, dval) |
331 |
|
332 |
if test == ht.NoType:
|
333 |
# no tests here
|
334 |
continue
|
335 |
|
336 |
if set_defaults or hasattr(self, attr_name): |
337 |
attr_val = getattr(self, attr_name) |
338 |
if not test(attr_val): |
339 |
logging.error("OpCode %s, parameter %s, has invalid type %s/value %s",
|
340 |
self.OP_ID, attr_name, type(attr_val), attr_val) |
341 |
raise errors.OpPrereqError("Parameter '%s.%s' fails validation" % |
342 |
(self.OP_ID, attr_name),
|
343 |
errors.ECODE_INVAL) |
344 |
|
345 |
|
346 |
class OpCode(BaseOpCode): |
347 |
"""Abstract OpCode.
|
348 |
|
349 |
This is the root of the actual OpCode hierarchy. All clases derived
|
350 |
from this class should override OP_ID.
|
351 |
|
352 |
@cvar OP_ID: The ID of this opcode. This should be unique amongst all
|
353 |
children of this class.
|
354 |
@cvar OP_DSC_FIELD: The name of a field whose value will be included in the
|
355 |
string returned by Summary(); see the docstring of that
|
356 |
method for details).
|
357 |
@cvar OP_PARAMS: List of opcode attributes, the default values they should
|
358 |
get if not already defined, and types they must match.
|
359 |
@cvar WITH_LU: Boolean that specifies whether this should be included in
|
360 |
mcpu's dispatch table
|
361 |
@ivar dry_run: Whether the LU should be run in dry-run mode, i.e. just
|
362 |
the check steps
|
363 |
@ivar priority: Opcode priority for queue
|
364 |
|
365 |
"""
|
366 |
# pylint: disable-msg=E1101
|
367 |
# as OP_ID is dynamically defined
|
368 |
WITH_LU = True
|
369 |
OP_PARAMS = [ |
370 |
("dry_run", None, ht.TMaybeBool, "Run checks only, don't execute"), |
371 |
("debug_level", None, ht.TOr(ht.TNone, ht.TPositiveInt), "Debug level"), |
372 |
("priority", constants.OP_PRIO_DEFAULT,
|
373 |
ht.TElemOf(constants.OP_PRIO_SUBMIT_VALID), "Opcode priority"),
|
374 |
] |
375 |
|
376 |
def __getstate__(self): |
377 |
"""Specialized getstate for opcodes.
|
378 |
|
379 |
This method adds to the state dictionary the OP_ID of the class,
|
380 |
so that on unload we can identify the correct class for
|
381 |
instantiating the opcode.
|
382 |
|
383 |
@rtype: C{dict}
|
384 |
@return: the state as a dictionary
|
385 |
|
386 |
"""
|
387 |
data = BaseOpCode.__getstate__(self)
|
388 |
data["OP_ID"] = self.OP_ID |
389 |
return data
|
390 |
|
391 |
@classmethod
|
392 |
def LoadOpCode(cls, data): |
393 |
"""Generic load opcode method.
|
394 |
|
395 |
The method identifies the correct opcode class from the dict-form
|
396 |
by looking for a OP_ID key, if this is not found, or its value is
|
397 |
not available in this module as a child of this class, we fail.
|
398 |
|
399 |
@type data: C{dict}
|
400 |
@param data: the serialized opcode
|
401 |
|
402 |
"""
|
403 |
if not isinstance(data, dict): |
404 |
raise ValueError("Invalid data to LoadOpCode (%s)" % type(data)) |
405 |
if "OP_ID" not in data: |
406 |
raise ValueError("Invalid data to LoadOpcode, missing OP_ID") |
407 |
op_id = data["OP_ID"]
|
408 |
op_class = None
|
409 |
if op_id in OP_MAPPING: |
410 |
op_class = OP_MAPPING[op_id] |
411 |
else:
|
412 |
raise ValueError("Invalid data to LoadOpCode: OP_ID %s unsupported" % |
413 |
op_id) |
414 |
op = op_class() |
415 |
new_data = data.copy() |
416 |
del new_data["OP_ID"] |
417 |
op.__setstate__(new_data) |
418 |
return op
|
419 |
|
420 |
def Summary(self): |
421 |
"""Generates a summary description of this opcode.
|
422 |
|
423 |
The summary is the value of the OP_ID attribute (without the "OP_"
|
424 |
prefix), plus the value of the OP_DSC_FIELD attribute, if one was
|
425 |
defined; this field should allow to easily identify the operation
|
426 |
(for an instance creation job, e.g., it would be the instance
|
427 |
name).
|
428 |
|
429 |
"""
|
430 |
assert self.OP_ID is not None and len(self.OP_ID) > 3 |
431 |
# all OP_ID start with OP_, we remove that
|
432 |
txt = self.OP_ID[3:] |
433 |
field_name = getattr(self, "OP_DSC_FIELD", None) |
434 |
if field_name:
|
435 |
field_value = getattr(self, field_name, None) |
436 |
if isinstance(field_value, (list, tuple)): |
437 |
field_value = ",".join(str(i) for i in field_value) |
438 |
txt = "%s(%s)" % (txt, field_value)
|
439 |
return txt
|
440 |
|
441 |
|
442 |
# cluster opcodes
|
443 |
|
444 |
class OpClusterPostInit(OpCode): |
445 |
"""Post cluster initialization.
|
446 |
|
447 |
This opcode does not touch the cluster at all. Its purpose is to run hooks
|
448 |
after the cluster has been initialized.
|
449 |
|
450 |
"""
|
451 |
|
452 |
|
453 |
class OpClusterDestroy(OpCode): |
454 |
"""Destroy the cluster.
|
455 |
|
456 |
This opcode has no other parameters. All the state is irreversibly
|
457 |
lost after the execution of this opcode.
|
458 |
|
459 |
"""
|
460 |
|
461 |
|
462 |
class OpClusterQuery(OpCode): |
463 |
"""Query cluster information."""
|
464 |
|
465 |
|
466 |
class OpClusterVerify(OpCode): |
467 |
"""Verify the cluster state.
|
468 |
|
469 |
@type skip_checks: C{list}
|
470 |
@ivar skip_checks: steps to be skipped from the verify process; this
|
471 |
needs to be a subset of
|
472 |
L{constants.VERIFY_OPTIONAL_CHECKS}; currently
|
473 |
only L{constants.VERIFY_NPLUSONE_MEM} can be passed
|
474 |
|
475 |
"""
|
476 |
OP_PARAMS = [ |
477 |
("skip_checks", ht.EmptyList,
|
478 |
ht.TListOf(ht.TElemOf(constants.VERIFY_OPTIONAL_CHECKS)), None),
|
479 |
("verbose", False, ht.TBool, None), |
480 |
("error_codes", False, ht.TBool, None), |
481 |
("debug_simulate_errors", False, ht.TBool, None), |
482 |
] |
483 |
|
484 |
|
485 |
class OpClusterVerifyDisks(OpCode): |
486 |
"""Verify the cluster disks.
|
487 |
|
488 |
Parameters: none
|
489 |
|
490 |
Result: a tuple of four elements:
|
491 |
- list of node names with bad data returned (unreachable, etc.)
|
492 |
- dict of node names with broken volume groups (values: error msg)
|
493 |
- list of instances with degraded disks (that should be activated)
|
494 |
- dict of instances with missing logical volumes (values: (node, vol)
|
495 |
pairs with details about the missing volumes)
|
496 |
|
497 |
In normal operation, all lists should be empty. A non-empty instance
|
498 |
list (3rd element of the result) is still ok (errors were fixed) but
|
499 |
non-empty node list means some node is down, and probably there are
|
500 |
unfixable drbd errors.
|
501 |
|
502 |
Note that only instances that are drbd-based are taken into
|
503 |
consideration. This might need to be revisited in the future.
|
504 |
|
505 |
"""
|
506 |
|
507 |
|
508 |
class OpClusterRepairDiskSizes(OpCode): |
509 |
"""Verify the disk sizes of the instances and fixes configuration
|
510 |
mimatches.
|
511 |
|
512 |
Parameters: optional instances list, in case we want to restrict the
|
513 |
checks to only a subset of the instances.
|
514 |
|
515 |
Result: a list of tuples, (instance, disk, new-size) for changed
|
516 |
configurations.
|
517 |
|
518 |
In normal operation, the list should be empty.
|
519 |
|
520 |
@type instances: list
|
521 |
@ivar instances: the list of instances to check, or empty for all instances
|
522 |
|
523 |
"""
|
524 |
OP_PARAMS = [ |
525 |
("instances", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
526 |
] |
527 |
|
528 |
|
529 |
class OpClusterConfigQuery(OpCode): |
530 |
"""Query cluster configuration values."""
|
531 |
OP_PARAMS = [ |
532 |
_POutputFields |
533 |
] |
534 |
|
535 |
|
536 |
class OpClusterRename(OpCode): |
537 |
"""Rename the cluster.
|
538 |
|
539 |
@type name: C{str}
|
540 |
@ivar name: The new name of the cluster. The name and/or the master IP
|
541 |
address will be changed to match the new name and its IP
|
542 |
address.
|
543 |
|
544 |
"""
|
545 |
OP_DSC_FIELD = "name"
|
546 |
OP_PARAMS = [ |
547 |
("name", ht.NoDefault, ht.TNonEmptyString, None), |
548 |
] |
549 |
|
550 |
|
551 |
class OpClusterSetParams(OpCode): |
552 |
"""Change the parameters of the cluster.
|
553 |
|
554 |
@type vg_name: C{str} or C{None}
|
555 |
@ivar vg_name: The new volume group name or None to disable LVM usage.
|
556 |
|
557 |
"""
|
558 |
OP_PARAMS = [ |
559 |
("vg_name", None, ht.TMaybeString, "Volume group name"), |
560 |
("enabled_hypervisors", None, |
561 |
ht.TOr(ht.TAnd(ht.TListOf(ht.TElemOf(constants.HYPER_TYPES)), ht.TTrue), |
562 |
ht.TNone), |
563 |
"List of enabled hypervisors"),
|
564 |
("hvparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict), |
565 |
ht.TNone), |
566 |
"Cluster-wide hypervisor parameter defaults, hypervisor-dependent"),
|
567 |
("beparams", None, ht.TOr(ht.TDict, ht.TNone), |
568 |
"Cluster-wide backend parameter defaults"),
|
569 |
("os_hvp", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict), |
570 |
ht.TNone), |
571 |
"Cluster-wide per-OS hypervisor parameter defaults"),
|
572 |
("osparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict), |
573 |
ht.TNone), |
574 |
"Cluster-wide OS parameter defaults"),
|
575 |
("candidate_pool_size", None, ht.TOr(ht.TStrictPositiveInt, ht.TNone), |
576 |
"Master candidate pool size"),
|
577 |
("uid_pool", None, ht.NoType, |
578 |
"Set UID pool, must be list of lists describing UID ranges (two items,"
|
579 |
" start and end inclusive)"),
|
580 |
("add_uids", None, ht.NoType, |
581 |
"Extend UID pool, must be list of lists describing UID ranges (two"
|
582 |
" items, start and end inclusive) to be added"),
|
583 |
("remove_uids", None, ht.NoType, |
584 |
"Shrink UID pool, must be list of lists describing UID ranges (two"
|
585 |
" items, start and end inclusive) to be removed"),
|
586 |
("maintain_node_health", None, ht.TMaybeBool, |
587 |
"Whether to automatically maintain node health"),
|
588 |
("prealloc_wipe_disks", None, ht.TMaybeBool, |
589 |
"Whether to wipe disks before allocating them to instances"),
|
590 |
("nicparams", None, ht.TMaybeDict, "Cluster-wide NIC parameter defaults"), |
591 |
("ndparams", None, ht.TMaybeDict, "Cluster-wide node parameter defaults"), |
592 |
("drbd_helper", None, ht.TOr(ht.TString, ht.TNone), "DRBD helper program"), |
593 |
("default_iallocator", None, ht.TOr(ht.TString, ht.TNone), |
594 |
"Default iallocator for cluster"),
|
595 |
("master_netdev", None, ht.TOr(ht.TString, ht.TNone), |
596 |
"Master network device"),
|
597 |
("reserved_lvs", None, ht.TOr(ht.TListOf(ht.TNonEmptyString), ht.TNone), |
598 |
"List of reserved LVs"),
|
599 |
("hidden_os", None, _TestClusterOsList, |
600 |
"Modify list of hidden operating systems. Each modification must have"
|
601 |
" two items, the operation and the OS name. The operation can be"
|
602 |
" ``%s`` or ``%s``." % (constants.DDM_ADD, constants.DDM_REMOVE)),
|
603 |
("blacklisted_os", None, _TestClusterOsList, |
604 |
"Modify list of blacklisted operating systems. Each modification must have"
|
605 |
" two items, the operation and the OS name. The operation can be"
|
606 |
" ``%s`` or ``%s``." % (constants.DDM_ADD, constants.DDM_REMOVE)),
|
607 |
] |
608 |
|
609 |
|
610 |
class OpClusterRedistConf(OpCode): |
611 |
"""Force a full push of the cluster configuration.
|
612 |
|
613 |
"""
|
614 |
|
615 |
|
616 |
class OpQuery(OpCode): |
617 |
"""Query for resources/items.
|
618 |
|
619 |
@ivar what: Resources to query for, must be one of L{constants.QR_OP_QUERY}
|
620 |
@ivar fields: List of fields to retrieve
|
621 |
@ivar filter: Query filter
|
622 |
|
623 |
"""
|
624 |
OP_PARAMS = [ |
625 |
("what", ht.NoDefault, ht.TElemOf(constants.QR_OP_QUERY),
|
626 |
"Resource(s) to query for"),
|
627 |
("fields", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
628 |
"Requested fields"),
|
629 |
("filter", None, ht.TOr(ht.TNone, |
630 |
ht.TListOf(ht.TOr(ht.TNonEmptyString, ht.TList))), |
631 |
"Query filter"),
|
632 |
] |
633 |
|
634 |
|
635 |
class OpQueryFields(OpCode): |
636 |
"""Query for available resource/item fields.
|
637 |
|
638 |
@ivar what: Resources to query for, must be one of L{constants.QR_OP_QUERY}
|
639 |
@ivar fields: List of fields to retrieve
|
640 |
|
641 |
"""
|
642 |
OP_PARAMS = [ |
643 |
("what", ht.NoDefault, ht.TElemOf(constants.QR_OP_QUERY), None), |
644 |
("fields", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), None), |
645 |
] |
646 |
|
647 |
|
648 |
class OpOobCommand(OpCode): |
649 |
"""Interact with OOB."""
|
650 |
OP_PARAMS = [ |
651 |
("node_names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
652 |
("command", None, ht.TElemOf(constants.OOB_COMMANDS), None), |
653 |
("timeout", constants.OOB_TIMEOUT, ht.TInt, None), |
654 |
("ignore_status", False, ht.TBool, None), |
655 |
("force_master", False, ht.TBool, None), |
656 |
] |
657 |
|
658 |
|
659 |
# node opcodes
|
660 |
|
661 |
class OpNodeRemove(OpCode): |
662 |
"""Remove a node.
|
663 |
|
664 |
@type node_name: C{str}
|
665 |
@ivar node_name: The name of the node to remove. If the node still has
|
666 |
instances on it, the operation will fail.
|
667 |
|
668 |
"""
|
669 |
OP_DSC_FIELD = "node_name"
|
670 |
OP_PARAMS = [ |
671 |
_PNodeName, |
672 |
] |
673 |
|
674 |
|
675 |
class OpNodeAdd(OpCode): |
676 |
"""Add a node to the cluster.
|
677 |
|
678 |
@type node_name: C{str}
|
679 |
@ivar node_name: The name of the node to add. This can be a short name,
|
680 |
but it will be expanded to the FQDN.
|
681 |
@type primary_ip: IP address
|
682 |
@ivar primary_ip: The primary IP of the node. This will be ignored when the
|
683 |
opcode is submitted, but will be filled during the node
|
684 |
add (so it will be visible in the job query).
|
685 |
@type secondary_ip: IP address
|
686 |
@ivar secondary_ip: The secondary IP of the node. This needs to be passed
|
687 |
if the cluster has been initialized in 'dual-network'
|
688 |
mode, otherwise it must not be given.
|
689 |
@type readd: C{bool}
|
690 |
@ivar readd: Whether to re-add an existing node to the cluster. If
|
691 |
this is not passed, then the operation will abort if the node
|
692 |
name is already in the cluster; use this parameter to 'repair'
|
693 |
a node that had its configuration broken, or was reinstalled
|
694 |
without removal from the cluster.
|
695 |
@type group: C{str}
|
696 |
@ivar group: The node group to which this node will belong.
|
697 |
@type vm_capable: C{bool}
|
698 |
@ivar vm_capable: The vm_capable node attribute
|
699 |
@type master_capable: C{bool}
|
700 |
@ivar master_capable: The master_capable node attribute
|
701 |
|
702 |
"""
|
703 |
OP_DSC_FIELD = "node_name"
|
704 |
OP_PARAMS = [ |
705 |
_PNodeName, |
706 |
("primary_ip", None, ht.NoType, "Primary IP address"), |
707 |
("secondary_ip", None, ht.TMaybeString, "Secondary IP address"), |
708 |
("readd", False, ht.TBool, "Whether node is re-added to cluster"), |
709 |
("group", None, ht.TMaybeString, "Initial node group"), |
710 |
("master_capable", None, ht.TMaybeBool, |
711 |
"Whether node can become master or master candidate"),
|
712 |
("vm_capable", None, ht.TMaybeBool, |
713 |
"Whether node can host instances"),
|
714 |
("ndparams", None, ht.TMaybeDict, "Node parameters"), |
715 |
] |
716 |
|
717 |
|
718 |
class OpNodeQuery(OpCode): |
719 |
"""Compute the list of nodes."""
|
720 |
OP_PARAMS = [ |
721 |
_POutputFields, |
722 |
_PUseLocking, |
723 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
724 |
"Empty list to query all nodes, node names otherwise"),
|
725 |
] |
726 |
|
727 |
|
728 |
class OpNodeQueryvols(OpCode): |
729 |
"""Get list of volumes on node."""
|
730 |
OP_PARAMS = [ |
731 |
_POutputFields, |
732 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
733 |
"Empty list to query all nodes, node names otherwise"),
|
734 |
] |
735 |
|
736 |
|
737 |
class OpNodeQueryStorage(OpCode): |
738 |
"""Get information on storage for node(s)."""
|
739 |
OP_PARAMS = [ |
740 |
_POutputFields, |
741 |
_PStorageType, |
742 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), "List of nodes"), |
743 |
("name", None, ht.TMaybeString, "Storage name"), |
744 |
] |
745 |
|
746 |
|
747 |
class OpNodeModifyStorage(OpCode): |
748 |
"""Modifies the properies of a storage unit"""
|
749 |
OP_PARAMS = [ |
750 |
_PNodeName, |
751 |
_PStorageType, |
752 |
_PStorageName, |
753 |
("changes", ht.NoDefault, ht.TDict, "Requested changes"), |
754 |
] |
755 |
|
756 |
|
757 |
class OpRepairNodeStorage(OpCode): |
758 |
"""Repairs the volume group on a node."""
|
759 |
OP_DSC_FIELD = "node_name"
|
760 |
OP_PARAMS = [ |
761 |
_PNodeName, |
762 |
_PStorageType, |
763 |
_PStorageName, |
764 |
_PIgnoreConsistency, |
765 |
] |
766 |
|
767 |
|
768 |
class OpNodeSetParams(OpCode): |
769 |
"""Change the parameters of a node."""
|
770 |
OP_DSC_FIELD = "node_name"
|
771 |
OP_PARAMS = [ |
772 |
_PNodeName, |
773 |
_PForce, |
774 |
("master_candidate", None, ht.TMaybeBool, |
775 |
"Whether the node should become a master candidate"),
|
776 |
("offline", None, ht.TMaybeBool, |
777 |
"Whether the node should be marked as offline"),
|
778 |
("drained", None, ht.TMaybeBool, |
779 |
"Whether the node should be marked as drained"),
|
780 |
("auto_promote", False, ht.TBool, |
781 |
"Whether node(s) should be promoted to master candidate if necessary"),
|
782 |
("master_capable", None, ht.TMaybeBool, |
783 |
"Denote whether node can become master or master candidate"),
|
784 |
("vm_capable", None, ht.TMaybeBool, |
785 |
"Denote whether node can host instances"),
|
786 |
("secondary_ip", None, ht.TMaybeString, |
787 |
"Change node's secondary IP address"),
|
788 |
("ndparams", None, ht.TMaybeDict, "Set node parameters"), |
789 |
("powered", None, ht.TMaybeBool, |
790 |
"Whether the node should be marked as powered"),
|
791 |
] |
792 |
|
793 |
|
794 |
class OpNodePowercycle(OpCode): |
795 |
"""Tries to powercycle a node."""
|
796 |
OP_DSC_FIELD = "node_name"
|
797 |
OP_PARAMS = [ |
798 |
_PNodeName, |
799 |
_PForce, |
800 |
] |
801 |
|
802 |
|
803 |
class OpNodeMigrate(OpCode): |
804 |
"""Migrate all instances from a node."""
|
805 |
OP_DSC_FIELD = "node_name"
|
806 |
OP_PARAMS = [ |
807 |
_PNodeName, |
808 |
_PMigrationMode, |
809 |
_PMigrationLive, |
810 |
] |
811 |
|
812 |
|
813 |
class OpNodeEvacStrategy(OpCode): |
814 |
"""Compute the evacuation strategy for a list of nodes."""
|
815 |
OP_DSC_FIELD = "nodes"
|
816 |
OP_PARAMS = [ |
817 |
("nodes", ht.NoDefault, ht.TListOf(ht.TNonEmptyString), None), |
818 |
("remote_node", None, ht.TMaybeString, None), |
819 |
("iallocator", None, ht.TMaybeString, None), |
820 |
] |
821 |
|
822 |
|
823 |
# instance opcodes
|
824 |
|
825 |
class OpInstanceCreate(OpCode): |
826 |
"""Create an instance.
|
827 |
|
828 |
@ivar instance_name: Instance name
|
829 |
@ivar mode: Instance creation mode (one of L{constants.INSTANCE_CREATE_MODES})
|
830 |
@ivar source_handshake: Signed handshake from source (remote import only)
|
831 |
@ivar source_x509_ca: Source X509 CA in PEM format (remote import only)
|
832 |
@ivar source_instance_name: Previous name of instance (remote import only)
|
833 |
@ivar source_shutdown_timeout: Shutdown timeout used for source instance
|
834 |
(remote import only)
|
835 |
|
836 |
"""
|
837 |
OP_DSC_FIELD = "instance_name"
|
838 |
OP_PARAMS = [ |
839 |
_PInstanceName, |
840 |
_PForceVariant, |
841 |
_PWaitForSync, |
842 |
_PNameCheck, |
843 |
("beparams", ht.EmptyDict, ht.TDict, "Backend parameters for instance"), |
844 |
("disks", ht.NoDefault, ht.TListOf(ht.TDict), "Disk descriptions"), |
845 |
("disk_template", ht.NoDefault, _CheckDiskTemplate, "Disk template"), |
846 |
("file_driver", None, ht.TOr(ht.TNone, ht.TElemOf(constants.FILE_DRIVER)), |
847 |
"Driver for file-backed disks"),
|
848 |
("file_storage_dir", None, ht.TMaybeString, |
849 |
"Directory for storing file-backed disks"),
|
850 |
("hvparams", ht.EmptyDict, ht.TDict,
|
851 |
"Hypervisor parameters for instance, hypervisor-dependent"),
|
852 |
("hypervisor", None, ht.TMaybeString, "Hypervisor"), |
853 |
("iallocator", None, ht.TMaybeString, |
854 |
"Iallocator for deciding which node(s) to use"),
|
855 |
("identify_defaults", False, ht.TBool, |
856 |
"Reset instance parameters to default if equal"),
|
857 |
("ip_check", True, ht.TBool, _PIpCheckDoc), |
858 |
("mode", ht.NoDefault, ht.TElemOf(constants.INSTANCE_CREATE_MODES),
|
859 |
"Instance creation mode"),
|
860 |
("nics", ht.NoDefault, ht.TListOf(ht.TDict),
|
861 |
"List of NIC (network interface) definitions"),
|
862 |
("no_install", None, ht.TMaybeBool, |
863 |
"Do not install the OS (will disable automatic start)"),
|
864 |
("osparams", ht.EmptyDict, ht.TDict, "OS parameters for instance"), |
865 |
("os_type", None, ht.TMaybeString, "Operating system"), |
866 |
("pnode", None, ht.TMaybeString, "Primary node"), |
867 |
("snode", None, ht.TMaybeString, "Secondary node"), |
868 |
("source_handshake", None, ht.TOr(ht.TList, ht.TNone), |
869 |
"Signed handshake from source (remote import only)"),
|
870 |
("source_instance_name", None, ht.TMaybeString, |
871 |
"Source instance name (remote import only)"),
|
872 |
("source_shutdown_timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT,
|
873 |
ht.TPositiveInt, "How long source instance was given to shut down"),
|
874 |
("source_x509_ca", None, ht.TMaybeString, |
875 |
"Source X509 CA in PEM format (remote import only)"),
|
876 |
("src_node", None, ht.TMaybeString, "Source node for import"), |
877 |
("src_path", None, ht.TMaybeString, "Source directory for import"), |
878 |
("start", True, ht.TBool, "Whether to start instance after creation"), |
879 |
] |
880 |
|
881 |
|
882 |
class OpInstanceReinstall(OpCode): |
883 |
"""Reinstall an instance's OS."""
|
884 |
OP_DSC_FIELD = "instance_name"
|
885 |
OP_PARAMS = [ |
886 |
_PInstanceName, |
887 |
_PForceVariant, |
888 |
("os_type", None, ht.TMaybeString, "Instance operating system"), |
889 |
("osparams", None, ht.TMaybeDict, "Temporary OS parameters"), |
890 |
] |
891 |
|
892 |
|
893 |
class OpInstanceRemove(OpCode): |
894 |
"""Remove an instance."""
|
895 |
OP_DSC_FIELD = "instance_name"
|
896 |
OP_PARAMS = [ |
897 |
_PInstanceName, |
898 |
_PShutdownTimeout, |
899 |
("ignore_failures", False, ht.TBool, |
900 |
"Whether to ignore failures during removal"),
|
901 |
] |
902 |
|
903 |
|
904 |
class OpInstanceRename(OpCode): |
905 |
"""Rename an instance."""
|
906 |
OP_PARAMS = [ |
907 |
_PInstanceName, |
908 |
_PNameCheck, |
909 |
("new_name", ht.NoDefault, ht.TNonEmptyString, "New instance name"), |
910 |
("ip_check", False, ht.TBool, _PIpCheckDoc), |
911 |
] |
912 |
|
913 |
|
914 |
class OpInstanceStartup(OpCode): |
915 |
"""Startup an instance."""
|
916 |
OP_DSC_FIELD = "instance_name"
|
917 |
OP_PARAMS = [ |
918 |
_PInstanceName, |
919 |
_PForce, |
920 |
_PIgnoreOfflineNodes, |
921 |
("hvparams", ht.EmptyDict, ht.TDict,
|
922 |
"Temporary hypervisor parameters, hypervisor-dependent"),
|
923 |
("beparams", ht.EmptyDict, ht.TDict, "Temporary backend parameters"), |
924 |
] |
925 |
|
926 |
|
927 |
class OpInstanceShutdown(OpCode): |
928 |
"""Shutdown an instance."""
|
929 |
OP_DSC_FIELD = "instance_name"
|
930 |
OP_PARAMS = [ |
931 |
_PInstanceName, |
932 |
_PIgnoreOfflineNodes, |
933 |
("timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT, ht.TPositiveInt,
|
934 |
"How long to wait for instance to shut down"),
|
935 |
] |
936 |
|
937 |
|
938 |
class OpInstanceReboot(OpCode): |
939 |
"""Reboot an instance."""
|
940 |
OP_DSC_FIELD = "instance_name"
|
941 |
OP_PARAMS = [ |
942 |
_PInstanceName, |
943 |
_PShutdownTimeout, |
944 |
("ignore_secondaries", False, ht.TBool, |
945 |
"Whether to start the instance even if secondary disks are failing"),
|
946 |
("reboot_type", ht.NoDefault, ht.TElemOf(constants.REBOOT_TYPES),
|
947 |
"How to reboot instance"),
|
948 |
] |
949 |
|
950 |
|
951 |
class OpInstanceReplaceDisks(OpCode): |
952 |
"""Replace the disks of an instance."""
|
953 |
OP_DSC_FIELD = "instance_name"
|
954 |
OP_PARAMS = [ |
955 |
_PInstanceName, |
956 |
("mode", ht.NoDefault, ht.TElemOf(constants.REPLACE_MODES),
|
957 |
"Replacement mode"),
|
958 |
("disks", ht.EmptyList, ht.TListOf(ht.TPositiveInt),
|
959 |
"Disk indexes"),
|
960 |
("remote_node", None, ht.TMaybeString, "New secondary node"), |
961 |
("iallocator", None, ht.TMaybeString, |
962 |
"Iallocator for deciding new secondary node"),
|
963 |
("early_release", False, ht.TBool, |
964 |
"Whether to release locks as soon as possible"),
|
965 |
] |
966 |
|
967 |
|
968 |
class OpInstanceFailover(OpCode): |
969 |
"""Failover an instance."""
|
970 |
OP_DSC_FIELD = "instance_name"
|
971 |
OP_PARAMS = [ |
972 |
_PInstanceName, |
973 |
_PShutdownTimeout, |
974 |
_PIgnoreConsistency, |
975 |
] |
976 |
|
977 |
|
978 |
class OpInstanceMigrate(OpCode): |
979 |
"""Migrate an instance.
|
980 |
|
981 |
This migrates (without shutting down an instance) to its secondary
|
982 |
node.
|
983 |
|
984 |
@ivar instance_name: the name of the instance
|
985 |
@ivar mode: the migration mode (live, non-live or None for auto)
|
986 |
|
987 |
"""
|
988 |
OP_DSC_FIELD = "instance_name"
|
989 |
OP_PARAMS = [ |
990 |
_PInstanceName, |
991 |
_PMigrationMode, |
992 |
_PMigrationLive, |
993 |
("cleanup", False, ht.TBool, |
994 |
"Whether a previously failed migration should be cleaned up"),
|
995 |
] |
996 |
|
997 |
|
998 |
class OpInstanceMove(OpCode): |
999 |
"""Move an instance.
|
1000 |
|
1001 |
This move (with shutting down an instance and data copying) to an
|
1002 |
arbitrary node.
|
1003 |
|
1004 |
@ivar instance_name: the name of the instance
|
1005 |
@ivar target_node: the destination node
|
1006 |
|
1007 |
"""
|
1008 |
OP_DSC_FIELD = "instance_name"
|
1009 |
OP_PARAMS = [ |
1010 |
_PInstanceName, |
1011 |
_PShutdownTimeout, |
1012 |
("target_node", ht.NoDefault, ht.TNonEmptyString, "Target node"), |
1013 |
] |
1014 |
|
1015 |
|
1016 |
class OpInstanceConsole(OpCode): |
1017 |
"""Connect to an instance's console."""
|
1018 |
OP_DSC_FIELD = "instance_name"
|
1019 |
OP_PARAMS = [ |
1020 |
_PInstanceName |
1021 |
] |
1022 |
|
1023 |
|
1024 |
class OpInstanceActivateDisks(OpCode): |
1025 |
"""Activate an instance's disks."""
|
1026 |
OP_DSC_FIELD = "instance_name"
|
1027 |
OP_PARAMS = [ |
1028 |
_PInstanceName, |
1029 |
("ignore_size", False, ht.TBool, "Whether to ignore recorded size"), |
1030 |
] |
1031 |
|
1032 |
|
1033 |
class OpInstanceDeactivateDisks(OpCode): |
1034 |
"""Deactivate an instance's disks."""
|
1035 |
OP_DSC_FIELD = "instance_name"
|
1036 |
OP_PARAMS = [ |
1037 |
_PInstanceName, |
1038 |
_PForce, |
1039 |
] |
1040 |
|
1041 |
|
1042 |
class OpInstanceRecreateDisks(OpCode): |
1043 |
"""Deactivate an instance's disks."""
|
1044 |
OP_DSC_FIELD = "instance_name"
|
1045 |
OP_PARAMS = [ |
1046 |
_PInstanceName, |
1047 |
("disks", ht.EmptyList, ht.TListOf(ht.TPositiveInt),
|
1048 |
"List of disk indexes"),
|
1049 |
] |
1050 |
|
1051 |
|
1052 |
class OpInstanceQuery(OpCode): |
1053 |
"""Compute the list of instances."""
|
1054 |
OP_PARAMS = [ |
1055 |
_POutputFields, |
1056 |
_PUseLocking, |
1057 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1058 |
"Empty list to query all instances, instance names otherwise"),
|
1059 |
] |
1060 |
|
1061 |
|
1062 |
class OpInstanceQueryData(OpCode): |
1063 |
"""Compute the run-time status of instances."""
|
1064 |
OP_PARAMS = [ |
1065 |
("instances", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
1066 |
("static", False, ht.TBool, None), |
1067 |
] |
1068 |
|
1069 |
|
1070 |
class OpInstanceSetParams(OpCode): |
1071 |
"""Change the parameters of an instance."""
|
1072 |
OP_DSC_FIELD = "instance_name"
|
1073 |
OP_PARAMS = [ |
1074 |
_PInstanceName, |
1075 |
_PForce, |
1076 |
_PForceVariant, |
1077 |
("nics", ht.EmptyList, ht.TList,
|
1078 |
"List of NIC changes. Each item is of the form ``(op, settings)``."
|
1079 |
" ``op`` can be ``%s`` to add a new NIC with the specified settings,"
|
1080 |
" ``%s`` to remove the last NIC or a number to modify the settings"
|
1081 |
" of the NIC with that index." %
|
1082 |
(constants.DDM_ADD, constants.DDM_REMOVE)), |
1083 |
("disks", ht.EmptyList, ht.TList, "List of disk changes. See ``nics``."), |
1084 |
("beparams", ht.EmptyDict, ht.TDict, "Per-instance backend parameters"), |
1085 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1086 |
"Per-instance hypervisor parameters, hypervisor-dependent"),
|
1087 |
("disk_template", None, ht.TOr(ht.TNone, _CheckDiskTemplate), |
1088 |
"Disk template for instance"),
|
1089 |
("remote_node", None, ht.TMaybeString, |
1090 |
"Secondary node (used when changing disk template)"),
|
1091 |
("os_name", None, ht.TMaybeString, |
1092 |
"Change instance's OS name. Does not reinstall the instance."),
|
1093 |
("osparams", None, ht.TMaybeDict, "Per-instance OS parameters"), |
1094 |
] |
1095 |
|
1096 |
|
1097 |
class OpInstanceGrowDisk(OpCode): |
1098 |
"""Grow a disk of an instance."""
|
1099 |
OP_DSC_FIELD = "instance_name"
|
1100 |
OP_PARAMS = [ |
1101 |
_PInstanceName, |
1102 |
_PWaitForSync, |
1103 |
("disk", ht.NoDefault, ht.TInt, "Disk index"), |
1104 |
("amount", ht.NoDefault, ht.TInt,
|
1105 |
"Amount of disk space to add (megabytes)"),
|
1106 |
] |
1107 |
|
1108 |
|
1109 |
# Node group opcodes
|
1110 |
|
1111 |
class OpGroupAdd(OpCode): |
1112 |
"""Add a node group to the cluster."""
|
1113 |
OP_DSC_FIELD = "group_name"
|
1114 |
OP_PARAMS = [ |
1115 |
_PGroupName, |
1116 |
_PNodeGroupAllocPolicy, |
1117 |
_PGroupNodeParams, |
1118 |
] |
1119 |
|
1120 |
|
1121 |
class OpGroupAssignNodes(OpCode): |
1122 |
"""Assign nodes to a node group."""
|
1123 |
OP_DSC_FIELD = "group_name"
|
1124 |
OP_PARAMS = [ |
1125 |
_PGroupName, |
1126 |
_PForce, |
1127 |
("nodes", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
1128 |
"List of nodes to assign"),
|
1129 |
] |
1130 |
|
1131 |
|
1132 |
class OpGroupQuery(OpCode): |
1133 |
"""Compute the list of node groups."""
|
1134 |
OP_PARAMS = [ |
1135 |
_POutputFields, |
1136 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1137 |
"Empty list to query all groups, group names otherwise"),
|
1138 |
] |
1139 |
|
1140 |
|
1141 |
class OpGroupSetParams(OpCode): |
1142 |
"""Change the parameters of a node group."""
|
1143 |
OP_DSC_FIELD = "group_name"
|
1144 |
OP_PARAMS = [ |
1145 |
_PGroupName, |
1146 |
_PNodeGroupAllocPolicy, |
1147 |
_PGroupNodeParams, |
1148 |
] |
1149 |
|
1150 |
|
1151 |
class OpGroupRemove(OpCode): |
1152 |
"""Remove a node group from the cluster."""
|
1153 |
OP_DSC_FIELD = "group_name"
|
1154 |
OP_PARAMS = [ |
1155 |
_PGroupName, |
1156 |
] |
1157 |
|
1158 |
|
1159 |
class OpGroupRename(OpCode): |
1160 |
"""Rename a node group in the cluster."""
|
1161 |
OP_DSC_FIELD = "old_name"
|
1162 |
OP_PARAMS = [ |
1163 |
("old_name", ht.NoDefault, ht.TNonEmptyString, None), |
1164 |
("new_name", ht.NoDefault, ht.TNonEmptyString, None), |
1165 |
] |
1166 |
|
1167 |
|
1168 |
# OS opcodes
|
1169 |
class OpOsDiagnose(OpCode): |
1170 |
"""Compute the list of guest operating systems."""
|
1171 |
OP_PARAMS = [ |
1172 |
_POutputFields, |
1173 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1174 |
"Which operating systems to diagnose"),
|
1175 |
] |
1176 |
|
1177 |
|
1178 |
# Exports opcodes
|
1179 |
class OpBackupQuery(OpCode): |
1180 |
"""Compute the list of exported images."""
|
1181 |
OP_PARAMS = [ |
1182 |
_PUseLocking, |
1183 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1184 |
"Empty list to query all nodes, node names otherwise"),
|
1185 |
] |
1186 |
|
1187 |
|
1188 |
class OpBackupPrepare(OpCode): |
1189 |
"""Prepares an instance export.
|
1190 |
|
1191 |
@ivar instance_name: Instance name
|
1192 |
@ivar mode: Export mode (one of L{constants.EXPORT_MODES})
|
1193 |
|
1194 |
"""
|
1195 |
OP_DSC_FIELD = "instance_name"
|
1196 |
OP_PARAMS = [ |
1197 |
_PInstanceName, |
1198 |
("mode", ht.NoDefault, ht.TElemOf(constants.EXPORT_MODES),
|
1199 |
"Export mode"),
|
1200 |
] |
1201 |
|
1202 |
|
1203 |
class OpBackupExport(OpCode): |
1204 |
"""Export an instance.
|
1205 |
|
1206 |
For local exports, the export destination is the node name. For remote
|
1207 |
exports, the export destination is a list of tuples, each consisting of
|
1208 |
hostname/IP address, port, HMAC and HMAC salt. The HMAC is calculated using
|
1209 |
the cluster domain secret over the value "${index}:${hostname}:${port}". The
|
1210 |
destination X509 CA must be a signed certificate.
|
1211 |
|
1212 |
@ivar mode: Export mode (one of L{constants.EXPORT_MODES})
|
1213 |
@ivar target_node: Export destination
|
1214 |
@ivar x509_key_name: X509 key to use (remote export only)
|
1215 |
@ivar destination_x509_ca: Destination X509 CA in PEM format (remote export
|
1216 |
only)
|
1217 |
|
1218 |
"""
|
1219 |
OP_DSC_FIELD = "instance_name"
|
1220 |
OP_PARAMS = [ |
1221 |
_PInstanceName, |
1222 |
_PShutdownTimeout, |
1223 |
# TODO: Rename target_node as it changes meaning for different export modes
|
1224 |
# (e.g. "destination")
|
1225 |
("target_node", ht.NoDefault, ht.TOr(ht.TNonEmptyString, ht.TList),
|
1226 |
"Destination information, depends on export mode"),
|
1227 |
("shutdown", True, ht.TBool, "Whether to shutdown instance before export"), |
1228 |
("remove_instance", False, ht.TBool, |
1229 |
"Whether to remove instance after export"),
|
1230 |
("ignore_remove_failures", False, ht.TBool, |
1231 |
"Whether to ignore failures while removing instances"),
|
1232 |
("mode", constants.EXPORT_MODE_LOCAL, ht.TElemOf(constants.EXPORT_MODES),
|
1233 |
"Export mode"),
|
1234 |
("x509_key_name", None, ht.TOr(ht.TList, ht.TNone), |
1235 |
"Name of X509 key (remote export only)"),
|
1236 |
("destination_x509_ca", None, ht.TMaybeString, |
1237 |
"Destination X509 CA (remote export only)"),
|
1238 |
] |
1239 |
|
1240 |
|
1241 |
class OpBackupRemove(OpCode): |
1242 |
"""Remove an instance's export."""
|
1243 |
OP_DSC_FIELD = "instance_name"
|
1244 |
OP_PARAMS = [ |
1245 |
_PInstanceName, |
1246 |
] |
1247 |
|
1248 |
|
1249 |
# Tags opcodes
|
1250 |
class OpTagsGet(OpCode): |
1251 |
"""Returns the tags of the given object."""
|
1252 |
OP_DSC_FIELD = "name"
|
1253 |
OP_PARAMS = [ |
1254 |
_PTagKind, |
1255 |
# Name is only meaningful for nodes and instances
|
1256 |
("name", ht.NoDefault, ht.TMaybeString, None), |
1257 |
] |
1258 |
|
1259 |
|
1260 |
class OpTagsSearch(OpCode): |
1261 |
"""Searches the tags in the cluster for a given pattern."""
|
1262 |
OP_DSC_FIELD = "pattern"
|
1263 |
OP_PARAMS = [ |
1264 |
("pattern", ht.NoDefault, ht.TNonEmptyString, None), |
1265 |
] |
1266 |
|
1267 |
|
1268 |
class OpTagsSet(OpCode): |
1269 |
"""Add a list of tags on a given object."""
|
1270 |
OP_PARAMS = [ |
1271 |
_PTagKind, |
1272 |
_PTags, |
1273 |
# Name is only meaningful for nodes and instances
|
1274 |
("name", ht.NoDefault, ht.TMaybeString, None), |
1275 |
] |
1276 |
|
1277 |
|
1278 |
class OpTagsDel(OpCode): |
1279 |
"""Remove a list of tags from a given object."""
|
1280 |
OP_PARAMS = [ |
1281 |
_PTagKind, |
1282 |
_PTags, |
1283 |
# Name is only meaningful for nodes and instances
|
1284 |
("name", ht.NoDefault, ht.TMaybeString, None), |
1285 |
] |
1286 |
|
1287 |
# Test opcodes
|
1288 |
class OpTestDelay(OpCode): |
1289 |
"""Sleeps for a configured amount of time.
|
1290 |
|
1291 |
This is used just for debugging and testing.
|
1292 |
|
1293 |
Parameters:
|
1294 |
- duration: the time to sleep
|
1295 |
- on_master: if true, sleep on the master
|
1296 |
- on_nodes: list of nodes in which to sleep
|
1297 |
|
1298 |
If the on_master parameter is true, it will execute a sleep on the
|
1299 |
master (before any node sleep).
|
1300 |
|
1301 |
If the on_nodes list is not empty, it will sleep on those nodes
|
1302 |
(after the sleep on the master, if that is enabled).
|
1303 |
|
1304 |
As an additional feature, the case of duration < 0 will be reported
|
1305 |
as an execution error, so this opcode can be used as a failure
|
1306 |
generator. The case of duration == 0 will not be treated specially.
|
1307 |
|
1308 |
"""
|
1309 |
OP_DSC_FIELD = "duration"
|
1310 |
OP_PARAMS = [ |
1311 |
("duration", ht.NoDefault, ht.TFloat, None), |
1312 |
("on_master", True, ht.TBool, None), |
1313 |
("on_nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
1314 |
("repeat", 0, ht.TPositiveInt, None), |
1315 |
] |
1316 |
|
1317 |
|
1318 |
class OpTestAllocator(OpCode): |
1319 |
"""Allocator framework testing.
|
1320 |
|
1321 |
This opcode has two modes:
|
1322 |
- gather and return allocator input for a given mode (allocate new
|
1323 |
or replace secondary) and a given instance definition (direction
|
1324 |
'in')
|
1325 |
- run a selected allocator for a given operation (as above) and
|
1326 |
return the allocator output (direction 'out')
|
1327 |
|
1328 |
"""
|
1329 |
OP_DSC_FIELD = "allocator"
|
1330 |
OP_PARAMS = [ |
1331 |
("direction", ht.NoDefault,
|
1332 |
ht.TElemOf(constants.VALID_IALLOCATOR_DIRECTIONS), None),
|
1333 |
("mode", ht.NoDefault, ht.TElemOf(constants.VALID_IALLOCATOR_MODES), None), |
1334 |
("name", ht.NoDefault, ht.TNonEmptyString, None), |
1335 |
("nics", ht.NoDefault, ht.TOr(ht.TNone, ht.TListOf(
|
1336 |
ht.TDictOf(ht.TElemOf(["mac", "ip", "bridge"]), |
1337 |
ht.TOr(ht.TNone, ht.TNonEmptyString)))), None),
|
1338 |
("disks", ht.NoDefault, ht.TOr(ht.TNone, ht.TList), None), |
1339 |
("hypervisor", None, ht.TMaybeString, None), |
1340 |
("allocator", None, ht.TMaybeString, None), |
1341 |
("tags", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
1342 |
("mem_size", None, ht.TOr(ht.TNone, ht.TPositiveInt), None), |
1343 |
("vcpus", None, ht.TOr(ht.TNone, ht.TPositiveInt), None), |
1344 |
("os", None, ht.TMaybeString, None), |
1345 |
("disk_template", None, ht.TMaybeString, None), |
1346 |
("evac_nodes", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), |
1347 |
None),
|
1348 |
] |
1349 |
|
1350 |
|
1351 |
class OpTestJqueue(OpCode): |
1352 |
"""Utility opcode to test some aspects of the job queue.
|
1353 |
|
1354 |
"""
|
1355 |
OP_PARAMS = [ |
1356 |
("notify_waitlock", False, ht.TBool, None), |
1357 |
("notify_exec", False, ht.TBool, None), |
1358 |
("log_messages", ht.EmptyList, ht.TListOf(ht.TString), None), |
1359 |
("fail", False, ht.TBool, None), |
1360 |
] |
1361 |
|
1362 |
|
1363 |
class OpTestDummy(OpCode): |
1364 |
"""Utility opcode used by unittests.
|
1365 |
|
1366 |
"""
|
1367 |
OP_PARAMS = [ |
1368 |
("result", ht.NoDefault, ht.NoType, None), |
1369 |
("messages", ht.NoDefault, ht.NoType, None), |
1370 |
("fail", ht.NoDefault, ht.NoType, None), |
1371 |
] |
1372 |
WITH_LU = False
|
1373 |
|
1374 |
|
1375 |
def _GetOpList(): |
1376 |
"""Returns list of all defined opcodes.
|
1377 |
|
1378 |
Does not eliminate duplicates by C{OP_ID}.
|
1379 |
|
1380 |
"""
|
1381 |
return [v for v in globals().values() |
1382 |
if (isinstance(v, type) and issubclass(v, OpCode) and |
1383 |
hasattr(v, "OP_ID") and v is not OpCode)] |
1384 |
|
1385 |
|
1386 |
OP_MAPPING = dict((v.OP_ID, v) for v in _GetOpList()) |