root / lib / opcodes.py @ 1559e1e7
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# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""OpCodes module
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This module implements the data structures which define the cluster
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operations - the so-called opcodes.
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Every operation which modifies the cluster state is expressed via
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opcodes.
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"""
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# this are practically structures, so disable the message about too
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# few public methods:
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# pylint: disable=R0903
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import logging |
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import re |
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from ganeti import compat |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import ht |
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# Common opcode attributes
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#: output fields for a query operation
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_POutputFields = ("output_fields", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
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"Selected output fields")
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#: the shutdown timeout
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_PShutdownTimeout = \ |
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("shutdown_timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT, ht.TPositiveInt,
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"How long to wait for instance to shut down")
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#: the force parameter
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_PForce = ("force", False, ht.TBool, "Whether to force the operation") |
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#: a required instance name (for single-instance LUs)
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_PInstanceName = ("instance_name", ht.NoDefault, ht.TNonEmptyString,
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"Instance name")
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#: Whether to ignore offline nodes
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_PIgnoreOfflineNodes = ("ignore_offline_nodes", False, ht.TBool, |
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"Whether to ignore offline nodes")
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#: a required node name (for single-node LUs)
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_PNodeName = ("node_name", ht.NoDefault, ht.TNonEmptyString, "Node name") |
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#: a required node group name (for single-group LUs)
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_PGroupName = ("group_name", ht.NoDefault, ht.TNonEmptyString, "Group name") |
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#: Migration type (live/non-live)
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_PMigrationMode = ("mode", None, |
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ht.TOr(ht.TNone, ht.TElemOf(constants.HT_MIGRATION_MODES)), |
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"Migration mode")
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#: Obsolete 'live' migration mode (boolean)
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_PMigrationLive = ("live", None, ht.TMaybeBool, |
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"Legacy setting for live migration, do not use")
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#: Tag type
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_PTagKind = ("kind", ht.NoDefault, ht.TElemOf(constants.VALID_TAG_TYPES), None) |
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#: List of tag strings
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_PTags = ("tags", ht.NoDefault, ht.TListOf(ht.TNonEmptyString), None) |
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_PForceVariant = ("force_variant", False, ht.TBool, |
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"Whether to force an unknown OS variant")
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_PWaitForSync = ("wait_for_sync", True, ht.TBool, |
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"Whether to wait for the disk to synchronize")
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_PIgnoreConsistency = ("ignore_consistency", False, ht.TBool, |
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"Whether to ignore disk consistency")
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_PStorageName = ("name", ht.NoDefault, ht.TMaybeString, "Storage name") |
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_PUseLocking = ("use_locking", False, ht.TBool, |
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"Whether to use synchronization")
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_PNameCheck = ("name_check", True, ht.TBool, "Whether to check name") |
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_PNodeGroupAllocPolicy = \ |
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("alloc_policy", None, |
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ht.TOr(ht.TNone, ht.TElemOf(constants.VALID_ALLOC_POLICIES)), |
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"Instance allocation policy")
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_PGroupNodeParams = ("ndparams", None, ht.TMaybeDict, |
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"Default node parameters for group")
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_PQueryWhat = ("what", ht.NoDefault, ht.TElemOf(constants.QR_VIA_OP),
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"Resource(s) to query for")
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_PEarlyRelease = ("early_release", False, ht.TBool, |
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"Whether to release locks as soon as possible")
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_PIpCheckDoc = "Whether to ensure instance's IP address is inactive"
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#: Do not remember instance state changes
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_PNoRemember = ("no_remember", False, ht.TBool, |
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"Do not remember the state change")
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#: Target node for instance migration/failover
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_PMigrationTargetNode = ("target_node", None, ht.TMaybeString, |
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"Target node for shared-storage instances")
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_PStartupPaused = ("startup_paused", False, ht.TBool, |
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"Pause instance at startup")
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_PVerbose = ("verbose", False, ht.TBool, "Verbose mode") |
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# Parameters for cluster verification
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_PDebugSimulateErrors = ("debug_simulate_errors", False, ht.TBool, |
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"Whether to simulate errors (useful for debugging)")
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_PErrorCodes = ("error_codes", False, ht.TBool, "Error codes") |
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_PSkipChecks = ("skip_checks", ht.EmptyList,
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ht.TListOf(ht.TElemOf(constants.VERIFY_OPTIONAL_CHECKS)), |
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"Which checks to skip")
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_PIgnoreErrors = ("ignore_errors", ht.EmptyList,
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ht.TListOf(ht.TElemOf(constants.CV_ALL_ECODES_STRINGS)), |
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"List of error codes that should be treated as warnings")
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# Disk parameters
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_PDiskParams = ("diskparams", None, |
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ht.TOr( |
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ht.TDictOf(ht.TElemOf(constants.DISK_TEMPLATES), ht.TDict), |
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ht.TNone), |
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"Disk templates' parameter defaults")
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# Parameters for node resource model
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_PHvState = ("hv_state", None, ht.TMaybeDict, "Set hypervisor states") |
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_PDiskState = ("disk_state", None, ht.TMaybeDict, "Set disk states") |
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_PIgnoreIpolicy = ("ignore_ipolicy", False, ht.TBool, |
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"Whether to ignore ipolicy violations")
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#: OP_ID conversion regular expression
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_OPID_RE = re.compile("([a-z])([A-Z])")
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#: Utility function for L{OpClusterSetParams}
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_TestClusterOsList = ht.TOr(ht.TNone, |
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ht.TListOf(ht.TAnd(ht.TList, ht.TIsLength(2),
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ht.TMap(ht.WithDesc("GetFirstItem")(compat.fst),
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ht.TElemOf(constants.DDMS_VALUES))))) |
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# TODO: Generate check from constants.INIC_PARAMS_TYPES
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#: Utility function for testing NIC definitions
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_TestNicDef = ht.TDictOf(ht.TElemOf(constants.INIC_PARAMS), |
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ht.TOr(ht.TNone, ht.TNonEmptyString)) |
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_TSetParamsResultItemItems = [ |
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ht.Comment("name of changed parameter")(ht.TNonEmptyString),
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ht.Comment("new value")(ht.TAny),
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] |
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_TSetParamsResult = \ |
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ht.TListOf(ht.TAnd(ht.TIsLength(len(_TSetParamsResultItemItems)),
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ht.TItems(_TSetParamsResultItemItems))) |
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_SUMMARY_PREFIX = { |
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"CLUSTER_": "C_", |
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"GROUP_": "G_", |
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"NODE_": "N_", |
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"INSTANCE_": "I_", |
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} |
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#: Attribute name for dependencies
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DEPEND_ATTR = "depends"
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#: Attribute name for comment
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COMMENT_ATTR = "comment"
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def _NameToId(name): |
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"""Convert an opcode class name to an OP_ID.
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@type name: string
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@param name: the class name, as OpXxxYyy
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@rtype: string
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@return: the name in the OP_XXXX_YYYY format
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"""
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if not name.startswith("Op"): |
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return None |
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# Note: (?<=[a-z])(?=[A-Z]) would be ideal, since it wouldn't
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# consume any input, and hence we would just have all the elements
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# in the list, one by one; but it seems that split doesn't work on
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# non-consuming input, hence we have to process the input string a
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# bit
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name = _OPID_RE.sub(r"\1,\2", name)
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elems = name.split(",")
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return "_".join(n.upper() for n in elems) |
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def RequireFileStorage(): |
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"""Checks that file storage is enabled.
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While it doesn't really fit into this module, L{utils} was deemed too large
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of a dependency to be imported for just one or two functions.
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@raise errors.OpPrereqError: when file storage is disabled
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"""
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if not constants.ENABLE_FILE_STORAGE: |
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raise errors.OpPrereqError("File storage disabled at configure time", |
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errors.ECODE_INVAL) |
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def RequireSharedFileStorage(): |
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"""Checks that shared file storage is enabled.
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While it doesn't really fit into this module, L{utils} was deemed too large
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of a dependency to be imported for just one or two functions.
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@raise errors.OpPrereqError: when shared file storage is disabled
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"""
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if not constants.ENABLE_SHARED_FILE_STORAGE: |
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raise errors.OpPrereqError("Shared file storage disabled at" |
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" configure time", errors.ECODE_INVAL)
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@ht.WithDesc("CheckFileStorage") |
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def _CheckFileStorage(value): |
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"""Ensures file storage is enabled if used.
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"""
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if value == constants.DT_FILE:
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RequireFileStorage() |
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elif value == constants.DT_SHARED_FILE:
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RequireSharedFileStorage() |
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return True |
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def _BuildDiskTemplateCheck(accept_none): |
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"""Builds check for disk template.
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@type accept_none: bool
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@param accept_none: whether to accept None as a correct value
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@rtype: callable
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"""
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template_check = ht.TElemOf(constants.DISK_TEMPLATES) |
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if accept_none:
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template_check = ht.TOr(template_check, ht.TNone) |
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return ht.TAnd(template_check, _CheckFileStorage)
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def _CheckStorageType(storage_type): |
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"""Ensure a given storage type is valid.
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"""
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if storage_type not in constants.VALID_STORAGE_TYPES: |
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raise errors.OpPrereqError("Unknown storage type: %s" % storage_type, |
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errors.ECODE_INVAL) |
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if storage_type == constants.ST_FILE:
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RequireFileStorage() |
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return True |
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#: Storage type parameter
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_PStorageType = ("storage_type", ht.NoDefault, _CheckStorageType,
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"Storage type")
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class _AutoOpParamSlots(type): |
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"""Meta class for opcode definitions.
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"""
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def __new__(mcs, name, bases, attrs): |
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"""Called when a class should be created.
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@param mcs: The meta class
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@param name: Name of created class
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@param bases: Base classes
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@type attrs: dict
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@param attrs: Class attributes
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"""
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assert "__slots__" not in attrs, \ |
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"Class '%s' defines __slots__ when it should use OP_PARAMS" % name
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assert "OP_ID" not in attrs, "Class '%s' defining OP_ID" % name |
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attrs["OP_ID"] = _NameToId(name)
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# Always set OP_PARAMS to avoid duplicates in BaseOpCode.GetAllParams
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params = attrs.setdefault("OP_PARAMS", [])
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# Use parameter names as slots
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slots = [pname for (pname, _, _, _) in params] |
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assert "OP_DSC_FIELD" not in attrs or attrs["OP_DSC_FIELD"] in slots, \ |
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"Class '%s' uses unknown field in OP_DSC_FIELD" % name
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attrs["__slots__"] = slots
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return type.__new__(mcs, name, bases, attrs) |
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class BaseOpCode(object): |
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"""A simple serializable object.
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This object serves as a parent class for OpCode without any custom
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field handling.
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"""
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# pylint: disable=E1101
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# as OP_ID is dynamically defined
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__metaclass__ = _AutoOpParamSlots |
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def __init__(self, **kwargs): |
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"""Constructor for BaseOpCode.
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The constructor takes only keyword arguments and will set
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attributes on this object based on the passed arguments. As such,
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it means that you should not pass arguments which are not in the
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__slots__ attribute for this class.
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"""
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slots = self._all_slots()
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for key in kwargs: |
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if key not in slots: |
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raise TypeError("Object %s doesn't support the parameter '%s'" % |
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(self.__class__.__name__, key))
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setattr(self, key, kwargs[key]) |
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def __getstate__(self): |
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"""Generic serializer.
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This method just returns the contents of the instance as a
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dictionary.
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@rtype: C{dict}
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@return: the instance attributes and their values
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"""
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state = {} |
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for name in self._all_slots(): |
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if hasattr(self, name): |
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state[name] = getattr(self, name) |
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return state
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def __setstate__(self, state): |
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"""Generic unserializer.
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This method just restores from the serialized state the attributes
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of the current instance.
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@param state: the serialized opcode data
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@type state: C{dict}
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"""
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if not isinstance(state, dict): |
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raise ValueError("Invalid data to __setstate__: expected dict, got %s" % |
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type(state))
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for name in self._all_slots(): |
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if name not in state and hasattr(self, name): |
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delattr(self, name) |
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for name in state: |
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setattr(self, name, state[name]) |
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@classmethod
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def _all_slots(cls): |
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"""Compute the list of all declared slots for a class.
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"""
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slots = [] |
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for parent in cls.__mro__: |
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slots.extend(getattr(parent, "__slots__", [])) |
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return slots
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@classmethod
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def GetAllParams(cls): |
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"""Compute list of all parameters for an opcode.
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"""
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slots = [] |
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for parent in cls.__mro__: |
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slots.extend(getattr(parent, "OP_PARAMS", [])) |
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return slots
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def Validate(self, set_defaults): |
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"""Validate opcode parameters, optionally setting default values.
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@type set_defaults: bool
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@param set_defaults: Whether to set default values
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@raise errors.OpPrereqError: When a parameter value doesn't match
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requirements
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"""
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for (attr_name, default, test, _) in self.GetAllParams(): |
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assert test == ht.NoType or callable(test) |
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if not hasattr(self, attr_name): |
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if default == ht.NoDefault:
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raise errors.OpPrereqError("Required parameter '%s.%s' missing" % |
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(self.OP_ID, attr_name),
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errors.ECODE_INVAL) |
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elif set_defaults:
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if callable(default): |
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dval = default() |
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else:
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dval = default |
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setattr(self, attr_name, dval) |
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if test == ht.NoType:
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# no tests here
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continue
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if set_defaults or hasattr(self, attr_name): |
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attr_val = getattr(self, attr_name) |
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if not test(attr_val): |
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logging.error("OpCode %s, parameter %s, has invalid type %s/value %s",
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self.OP_ID, attr_name, type(attr_val), attr_val) |
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raise errors.OpPrereqError("Parameter '%s.%s' fails validation" % |
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(self.OP_ID, attr_name),
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errors.ECODE_INVAL) |
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def _BuildJobDepCheck(relative): |
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"""Builds check for job dependencies (L{DEPEND_ATTR}).
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@type relative: bool
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@param relative: Whether to accept relative job IDs (negative)
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@rtype: callable
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"""
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if relative:
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job_id = ht.TOr(ht.TJobId, ht.TRelativeJobId) |
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else:
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job_id = ht.TJobId |
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job_dep = \ |
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ht.TAnd(ht.TIsLength(2),
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ht.TItems([job_id, |
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ht.TListOf(ht.TElemOf(constants.JOBS_FINALIZED))])) |
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return ht.TOr(ht.TNone, ht.TListOf(job_dep))
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TNoRelativeJobDependencies = _BuildJobDepCheck(False)
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#: List of submission status and job ID as returned by C{SubmitManyJobs}
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_TJobIdListItem = \ |
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ht.TAnd(ht.TIsLength(2),
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ht.TItems([ht.Comment("success")(ht.TBool),
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ht.Comment("Job ID if successful, error message"
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" otherwise")(ht.TOr(ht.TString,
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ht.TJobId))])) |
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TJobIdList = ht.TListOf(_TJobIdListItem) |
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#: Result containing only list of submitted jobs
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TJobIdListOnly = ht.TStrictDict(True, True, { |
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constants.JOB_IDS_KEY: ht.Comment("List of submitted jobs")(TJobIdList),
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}) |
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class OpCode(BaseOpCode): |
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"""Abstract OpCode.
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This is the root of the actual OpCode hierarchy. All clases derived
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from this class should override OP_ID.
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@cvar OP_ID: The ID of this opcode. This should be unique amongst all
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children of this class.
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@cvar OP_DSC_FIELD: The name of a field whose value will be included in the
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string returned by Summary(); see the docstring of that
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method for details).
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@cvar OP_PARAMS: List of opcode attributes, the default values they should
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get if not already defined, and types they must match.
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@cvar OP_RESULT: Callable to verify opcode result
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@cvar WITH_LU: Boolean that specifies whether this should be included in
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mcpu's dispatch table
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@ivar dry_run: Whether the LU should be run in dry-run mode, i.e. just
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the check steps
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@ivar priority: Opcode priority for queue
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"""
|
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# pylint: disable=E1101
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# as OP_ID is dynamically defined
|
508 |
WITH_LU = True
|
509 |
OP_PARAMS = [ |
510 |
("dry_run", None, ht.TMaybeBool, "Run checks only, don't execute"), |
511 |
("debug_level", None, ht.TOr(ht.TNone, ht.TPositiveInt), "Debug level"), |
512 |
("priority", constants.OP_PRIO_DEFAULT,
|
513 |
ht.TElemOf(constants.OP_PRIO_SUBMIT_VALID), "Opcode priority"),
|
514 |
(DEPEND_ATTR, None, _BuildJobDepCheck(True), |
515 |
"Job dependencies; if used through ``SubmitManyJobs`` relative (negative)"
|
516 |
" job IDs can be used; see :doc:`design document <design-chained-jobs>`"
|
517 |
" for details"),
|
518 |
(COMMENT_ATTR, None, ht.TMaybeString,
|
519 |
"Comment describing the purpose of the opcode"),
|
520 |
] |
521 |
OP_RESULT = None
|
522 |
|
523 |
def __getstate__(self): |
524 |
"""Specialized getstate for opcodes.
|
525 |
|
526 |
This method adds to the state dictionary the OP_ID of the class,
|
527 |
so that on unload we can identify the correct class for
|
528 |
instantiating the opcode.
|
529 |
|
530 |
@rtype: C{dict}
|
531 |
@return: the state as a dictionary
|
532 |
|
533 |
"""
|
534 |
data = BaseOpCode.__getstate__(self)
|
535 |
data["OP_ID"] = self.OP_ID |
536 |
return data
|
537 |
|
538 |
@classmethod
|
539 |
def LoadOpCode(cls, data): |
540 |
"""Generic load opcode method.
|
541 |
|
542 |
The method identifies the correct opcode class from the dict-form
|
543 |
by looking for a OP_ID key, if this is not found, or its value is
|
544 |
not available in this module as a child of this class, we fail.
|
545 |
|
546 |
@type data: C{dict}
|
547 |
@param data: the serialized opcode
|
548 |
|
549 |
"""
|
550 |
if not isinstance(data, dict): |
551 |
raise ValueError("Invalid data to LoadOpCode (%s)" % type(data)) |
552 |
if "OP_ID" not in data: |
553 |
raise ValueError("Invalid data to LoadOpcode, missing OP_ID") |
554 |
op_id = data["OP_ID"]
|
555 |
op_class = None
|
556 |
if op_id in OP_MAPPING: |
557 |
op_class = OP_MAPPING[op_id] |
558 |
else:
|
559 |
raise ValueError("Invalid data to LoadOpCode: OP_ID %s unsupported" % |
560 |
op_id) |
561 |
op = op_class() |
562 |
new_data = data.copy() |
563 |
del new_data["OP_ID"] |
564 |
op.__setstate__(new_data) |
565 |
return op
|
566 |
|
567 |
def Summary(self): |
568 |
"""Generates a summary description of this opcode.
|
569 |
|
570 |
The summary is the value of the OP_ID attribute (without the "OP_"
|
571 |
prefix), plus the value of the OP_DSC_FIELD attribute, if one was
|
572 |
defined; this field should allow to easily identify the operation
|
573 |
(for an instance creation job, e.g., it would be the instance
|
574 |
name).
|
575 |
|
576 |
"""
|
577 |
assert self.OP_ID is not None and len(self.OP_ID) > 3 |
578 |
# all OP_ID start with OP_, we remove that
|
579 |
txt = self.OP_ID[3:] |
580 |
field_name = getattr(self, "OP_DSC_FIELD", None) |
581 |
if field_name:
|
582 |
field_value = getattr(self, field_name, None) |
583 |
if isinstance(field_value, (list, tuple)): |
584 |
field_value = ",".join(str(i) for i in field_value) |
585 |
txt = "%s(%s)" % (txt, field_value)
|
586 |
return txt
|
587 |
|
588 |
def TinySummary(self): |
589 |
"""Generates a compact summary description of the opcode.
|
590 |
|
591 |
"""
|
592 |
assert self.OP_ID.startswith("OP_") |
593 |
|
594 |
text = self.OP_ID[3:] |
595 |
|
596 |
for (prefix, supplement) in _SUMMARY_PREFIX.items(): |
597 |
if text.startswith(prefix):
|
598 |
return supplement + text[len(prefix):] |
599 |
|
600 |
return text
|
601 |
|
602 |
|
603 |
# cluster opcodes
|
604 |
|
605 |
class OpClusterPostInit(OpCode): |
606 |
"""Post cluster initialization.
|
607 |
|
608 |
This opcode does not touch the cluster at all. Its purpose is to run hooks
|
609 |
after the cluster has been initialized.
|
610 |
|
611 |
"""
|
612 |
|
613 |
|
614 |
class OpClusterDestroy(OpCode): |
615 |
"""Destroy the cluster.
|
616 |
|
617 |
This opcode has no other parameters. All the state is irreversibly
|
618 |
lost after the execution of this opcode.
|
619 |
|
620 |
"""
|
621 |
|
622 |
|
623 |
class OpClusterQuery(OpCode): |
624 |
"""Query cluster information."""
|
625 |
|
626 |
|
627 |
class OpClusterVerify(OpCode): |
628 |
"""Submits all jobs necessary to verify the cluster.
|
629 |
|
630 |
"""
|
631 |
OP_PARAMS = [ |
632 |
_PDebugSimulateErrors, |
633 |
_PErrorCodes, |
634 |
_PSkipChecks, |
635 |
_PIgnoreErrors, |
636 |
_PVerbose, |
637 |
("group_name", None, ht.TMaybeString, "Group to verify") |
638 |
] |
639 |
OP_RESULT = TJobIdListOnly |
640 |
|
641 |
|
642 |
class OpClusterVerifyConfig(OpCode): |
643 |
"""Verify the cluster config.
|
644 |
|
645 |
"""
|
646 |
OP_PARAMS = [ |
647 |
_PDebugSimulateErrors, |
648 |
_PErrorCodes, |
649 |
_PIgnoreErrors, |
650 |
_PVerbose, |
651 |
] |
652 |
OP_RESULT = ht.TBool |
653 |
|
654 |
|
655 |
class OpClusterVerifyGroup(OpCode): |
656 |
"""Run verify on a node group from the cluster.
|
657 |
|
658 |
@type skip_checks: C{list}
|
659 |
@ivar skip_checks: steps to be skipped from the verify process; this
|
660 |
needs to be a subset of
|
661 |
L{constants.VERIFY_OPTIONAL_CHECKS}; currently
|
662 |
only L{constants.VERIFY_NPLUSONE_MEM} can be passed
|
663 |
|
664 |
"""
|
665 |
OP_DSC_FIELD = "group_name"
|
666 |
OP_PARAMS = [ |
667 |
_PGroupName, |
668 |
_PDebugSimulateErrors, |
669 |
_PErrorCodes, |
670 |
_PSkipChecks, |
671 |
_PIgnoreErrors, |
672 |
_PVerbose, |
673 |
] |
674 |
OP_RESULT = ht.TBool |
675 |
|
676 |
|
677 |
class OpClusterVerifyDisks(OpCode): |
678 |
"""Verify the cluster disks.
|
679 |
|
680 |
"""
|
681 |
OP_RESULT = TJobIdListOnly |
682 |
|
683 |
|
684 |
class OpGroupVerifyDisks(OpCode): |
685 |
"""Verifies the status of all disks in a node group.
|
686 |
|
687 |
Result: a tuple of three elements:
|
688 |
- dict of node names with issues (values: error msg)
|
689 |
- list of instances with degraded disks (that should be activated)
|
690 |
- dict of instances with missing logical volumes (values: (node, vol)
|
691 |
pairs with details about the missing volumes)
|
692 |
|
693 |
In normal operation, all lists should be empty. A non-empty instance
|
694 |
list (3rd element of the result) is still ok (errors were fixed) but
|
695 |
non-empty node list means some node is down, and probably there are
|
696 |
unfixable drbd errors.
|
697 |
|
698 |
Note that only instances that are drbd-based are taken into
|
699 |
consideration. This might need to be revisited in the future.
|
700 |
|
701 |
"""
|
702 |
OP_DSC_FIELD = "group_name"
|
703 |
OP_PARAMS = [ |
704 |
_PGroupName, |
705 |
] |
706 |
OP_RESULT = \ |
707 |
ht.TAnd(ht.TIsLength(3),
|
708 |
ht.TItems([ht.TDictOf(ht.TString, ht.TString), |
709 |
ht.TListOf(ht.TString), |
710 |
ht.TDictOf(ht.TString, |
711 |
ht.TListOf(ht.TListOf(ht.TString)))])) |
712 |
|
713 |
|
714 |
class OpClusterRepairDiskSizes(OpCode): |
715 |
"""Verify the disk sizes of the instances and fixes configuration
|
716 |
mimatches.
|
717 |
|
718 |
Parameters: optional instances list, in case we want to restrict the
|
719 |
checks to only a subset of the instances.
|
720 |
|
721 |
Result: a list of tuples, (instance, disk, new-size) for changed
|
722 |
configurations.
|
723 |
|
724 |
In normal operation, the list should be empty.
|
725 |
|
726 |
@type instances: list
|
727 |
@ivar instances: the list of instances to check, or empty for all instances
|
728 |
|
729 |
"""
|
730 |
OP_PARAMS = [ |
731 |
("instances", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
732 |
] |
733 |
|
734 |
|
735 |
class OpClusterConfigQuery(OpCode): |
736 |
"""Query cluster configuration values."""
|
737 |
OP_PARAMS = [ |
738 |
_POutputFields |
739 |
] |
740 |
|
741 |
|
742 |
class OpClusterRename(OpCode): |
743 |
"""Rename the cluster.
|
744 |
|
745 |
@type name: C{str}
|
746 |
@ivar name: The new name of the cluster. The name and/or the master IP
|
747 |
address will be changed to match the new name and its IP
|
748 |
address.
|
749 |
|
750 |
"""
|
751 |
OP_DSC_FIELD = "name"
|
752 |
OP_PARAMS = [ |
753 |
("name", ht.NoDefault, ht.TNonEmptyString, None), |
754 |
] |
755 |
|
756 |
|
757 |
class OpClusterSetParams(OpCode): |
758 |
"""Change the parameters of the cluster.
|
759 |
|
760 |
@type vg_name: C{str} or C{None}
|
761 |
@ivar vg_name: The new volume group name or None to disable LVM usage.
|
762 |
|
763 |
"""
|
764 |
OP_PARAMS = [ |
765 |
_PHvState, |
766 |
_PDiskState, |
767 |
("vg_name", None, ht.TMaybeString, "Volume group name"), |
768 |
("enabled_hypervisors", None, |
769 |
ht.TOr(ht.TAnd(ht.TListOf(ht.TElemOf(constants.HYPER_TYPES)), ht.TTrue), |
770 |
ht.TNone), |
771 |
"List of enabled hypervisors"),
|
772 |
("hvparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict), |
773 |
ht.TNone), |
774 |
"Cluster-wide hypervisor parameter defaults, hypervisor-dependent"),
|
775 |
("beparams", None, ht.TOr(ht.TDict, ht.TNone), |
776 |
"Cluster-wide backend parameter defaults"),
|
777 |
("os_hvp", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict), |
778 |
ht.TNone), |
779 |
"Cluster-wide per-OS hypervisor parameter defaults"),
|
780 |
("osparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict), |
781 |
ht.TNone), |
782 |
"Cluster-wide OS parameter defaults"),
|
783 |
_PDiskParams, |
784 |
("candidate_pool_size", None, ht.TOr(ht.TStrictPositiveInt, ht.TNone), |
785 |
"Master candidate pool size"),
|
786 |
("uid_pool", None, ht.NoType, |
787 |
"Set UID pool, must be list of lists describing UID ranges (two items,"
|
788 |
" start and end inclusive)"),
|
789 |
("add_uids", None, ht.NoType, |
790 |
"Extend UID pool, must be list of lists describing UID ranges (two"
|
791 |
" items, start and end inclusive) to be added"),
|
792 |
("remove_uids", None, ht.NoType, |
793 |
"Shrink UID pool, must be list of lists describing UID ranges (two"
|
794 |
" items, start and end inclusive) to be removed"),
|
795 |
("maintain_node_health", None, ht.TMaybeBool, |
796 |
"Whether to automatically maintain node health"),
|
797 |
("prealloc_wipe_disks", None, ht.TMaybeBool, |
798 |
"Whether to wipe disks before allocating them to instances"),
|
799 |
("nicparams", None, ht.TMaybeDict, "Cluster-wide NIC parameter defaults"), |
800 |
("ndparams", None, ht.TMaybeDict, "Cluster-wide node parameter defaults"), |
801 |
("ipolicy", None, ht.TMaybeDict, "Cluster-wide instance policy specs"), |
802 |
("drbd_helper", None, ht.TOr(ht.TString, ht.TNone), "DRBD helper program"), |
803 |
("default_iallocator", None, ht.TOr(ht.TString, ht.TNone), |
804 |
"Default iallocator for cluster"),
|
805 |
("master_netdev", None, ht.TOr(ht.TString, ht.TNone), |
806 |
"Master network device"),
|
807 |
("master_netmask", None, ht.TOr(ht.TInt, ht.TNone), |
808 |
"Netmask of the master IP"),
|
809 |
("reserved_lvs", None, ht.TOr(ht.TListOf(ht.TNonEmptyString), ht.TNone), |
810 |
"List of reserved LVs"),
|
811 |
("hidden_os", None, _TestClusterOsList, |
812 |
"Modify list of hidden operating systems. Each modification must have"
|
813 |
" two items, the operation and the OS name. The operation can be"
|
814 |
" ``%s`` or ``%s``." % (constants.DDM_ADD, constants.DDM_REMOVE)),
|
815 |
("blacklisted_os", None, _TestClusterOsList, |
816 |
"Modify list of blacklisted operating systems. Each modification must have"
|
817 |
" two items, the operation and the OS name. The operation can be"
|
818 |
" ``%s`` or ``%s``." % (constants.DDM_ADD, constants.DDM_REMOVE)),
|
819 |
("use_external_mip_script", None, ht.TMaybeBool, |
820 |
"Whether to use an external master IP address setup script"),
|
821 |
] |
822 |
|
823 |
|
824 |
class OpClusterRedistConf(OpCode): |
825 |
"""Force a full push of the cluster configuration.
|
826 |
|
827 |
"""
|
828 |
|
829 |
|
830 |
class OpClusterActivateMasterIp(OpCode): |
831 |
"""Activate the master IP on the master node.
|
832 |
|
833 |
"""
|
834 |
|
835 |
|
836 |
class OpClusterDeactivateMasterIp(OpCode): |
837 |
"""Deactivate the master IP on the master node.
|
838 |
|
839 |
"""
|
840 |
|
841 |
|
842 |
class OpQuery(OpCode): |
843 |
"""Query for resources/items.
|
844 |
|
845 |
@ivar what: Resources to query for, must be one of L{constants.QR_VIA_OP}
|
846 |
@ivar fields: List of fields to retrieve
|
847 |
@ivar qfilter: Query filter
|
848 |
|
849 |
"""
|
850 |
OP_DSC_FIELD = "what"
|
851 |
OP_PARAMS = [ |
852 |
_PQueryWhat, |
853 |
_PUseLocking, |
854 |
("fields", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
855 |
"Requested fields"),
|
856 |
("qfilter", None, ht.TOr(ht.TNone, ht.TListOf), |
857 |
"Query filter"),
|
858 |
] |
859 |
|
860 |
|
861 |
class OpQueryFields(OpCode): |
862 |
"""Query for available resource/item fields.
|
863 |
|
864 |
@ivar what: Resources to query for, must be one of L{constants.QR_VIA_OP}
|
865 |
@ivar fields: List of fields to retrieve
|
866 |
|
867 |
"""
|
868 |
OP_DSC_FIELD = "what"
|
869 |
OP_PARAMS = [ |
870 |
_PQueryWhat, |
871 |
("fields", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), |
872 |
"Requested fields; if not given, all are returned"),
|
873 |
] |
874 |
|
875 |
|
876 |
class OpOobCommand(OpCode): |
877 |
"""Interact with OOB."""
|
878 |
OP_PARAMS = [ |
879 |
("node_names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
880 |
"List of nodes to run the OOB command against"),
|
881 |
("command", None, ht.TElemOf(constants.OOB_COMMANDS), |
882 |
"OOB command to be run"),
|
883 |
("timeout", constants.OOB_TIMEOUT, ht.TInt,
|
884 |
"Timeout before the OOB helper will be terminated"),
|
885 |
("ignore_status", False, ht.TBool, |
886 |
"Ignores the node offline status for power off"),
|
887 |
("power_delay", constants.OOB_POWER_DELAY, ht.TPositiveFloat,
|
888 |
"Time in seconds to wait between powering on nodes"),
|
889 |
] |
890 |
|
891 |
|
892 |
# node opcodes
|
893 |
|
894 |
class OpNodeRemove(OpCode): |
895 |
"""Remove a node.
|
896 |
|
897 |
@type node_name: C{str}
|
898 |
@ivar node_name: The name of the node to remove. If the node still has
|
899 |
instances on it, the operation will fail.
|
900 |
|
901 |
"""
|
902 |
OP_DSC_FIELD = "node_name"
|
903 |
OP_PARAMS = [ |
904 |
_PNodeName, |
905 |
] |
906 |
|
907 |
|
908 |
class OpNodeAdd(OpCode): |
909 |
"""Add a node to the cluster.
|
910 |
|
911 |
@type node_name: C{str}
|
912 |
@ivar node_name: The name of the node to add. This can be a short name,
|
913 |
but it will be expanded to the FQDN.
|
914 |
@type primary_ip: IP address
|
915 |
@ivar primary_ip: The primary IP of the node. This will be ignored when the
|
916 |
opcode is submitted, but will be filled during the node
|
917 |
add (so it will be visible in the job query).
|
918 |
@type secondary_ip: IP address
|
919 |
@ivar secondary_ip: The secondary IP of the node. This needs to be passed
|
920 |
if the cluster has been initialized in 'dual-network'
|
921 |
mode, otherwise it must not be given.
|
922 |
@type readd: C{bool}
|
923 |
@ivar readd: Whether to re-add an existing node to the cluster. If
|
924 |
this is not passed, then the operation will abort if the node
|
925 |
name is already in the cluster; use this parameter to 'repair'
|
926 |
a node that had its configuration broken, or was reinstalled
|
927 |
without removal from the cluster.
|
928 |
@type group: C{str}
|
929 |
@ivar group: The node group to which this node will belong.
|
930 |
@type vm_capable: C{bool}
|
931 |
@ivar vm_capable: The vm_capable node attribute
|
932 |
@type master_capable: C{bool}
|
933 |
@ivar master_capable: The master_capable node attribute
|
934 |
|
935 |
"""
|
936 |
OP_DSC_FIELD = "node_name"
|
937 |
OP_PARAMS = [ |
938 |
_PNodeName, |
939 |
_PHvState, |
940 |
_PDiskState, |
941 |
("primary_ip", None, ht.NoType, "Primary IP address"), |
942 |
("secondary_ip", None, ht.TMaybeString, "Secondary IP address"), |
943 |
("readd", False, ht.TBool, "Whether node is re-added to cluster"), |
944 |
("group", None, ht.TMaybeString, "Initial node group"), |
945 |
("master_capable", None, ht.TMaybeBool, |
946 |
"Whether node can become master or master candidate"),
|
947 |
("vm_capable", None, ht.TMaybeBool, |
948 |
"Whether node can host instances"),
|
949 |
("ndparams", None, ht.TMaybeDict, "Node parameters"), |
950 |
] |
951 |
|
952 |
|
953 |
class OpNodeQuery(OpCode): |
954 |
"""Compute the list of nodes."""
|
955 |
OP_PARAMS = [ |
956 |
_POutputFields, |
957 |
_PUseLocking, |
958 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
959 |
"Empty list to query all nodes, node names otherwise"),
|
960 |
] |
961 |
|
962 |
|
963 |
class OpNodeQueryvols(OpCode): |
964 |
"""Get list of volumes on node."""
|
965 |
OP_PARAMS = [ |
966 |
_POutputFields, |
967 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
968 |
"Empty list to query all nodes, node names otherwise"),
|
969 |
] |
970 |
|
971 |
|
972 |
class OpNodeQueryStorage(OpCode): |
973 |
"""Get information on storage for node(s)."""
|
974 |
OP_PARAMS = [ |
975 |
_POutputFields, |
976 |
_PStorageType, |
977 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), "List of nodes"), |
978 |
("name", None, ht.TMaybeString, "Storage name"), |
979 |
] |
980 |
|
981 |
|
982 |
class OpNodeModifyStorage(OpCode): |
983 |
"""Modifies the properies of a storage unit"""
|
984 |
OP_PARAMS = [ |
985 |
_PNodeName, |
986 |
_PStorageType, |
987 |
_PStorageName, |
988 |
("changes", ht.NoDefault, ht.TDict, "Requested changes"), |
989 |
] |
990 |
|
991 |
|
992 |
class OpRepairNodeStorage(OpCode): |
993 |
"""Repairs the volume group on a node."""
|
994 |
OP_DSC_FIELD = "node_name"
|
995 |
OP_PARAMS = [ |
996 |
_PNodeName, |
997 |
_PStorageType, |
998 |
_PStorageName, |
999 |
_PIgnoreConsistency, |
1000 |
] |
1001 |
|
1002 |
|
1003 |
class OpNodeSetParams(OpCode): |
1004 |
"""Change the parameters of a node."""
|
1005 |
OP_DSC_FIELD = "node_name"
|
1006 |
OP_PARAMS = [ |
1007 |
_PNodeName, |
1008 |
_PForce, |
1009 |
_PHvState, |
1010 |
_PDiskState, |
1011 |
("master_candidate", None, ht.TMaybeBool, |
1012 |
"Whether the node should become a master candidate"),
|
1013 |
("offline", None, ht.TMaybeBool, |
1014 |
"Whether the node should be marked as offline"),
|
1015 |
("drained", None, ht.TMaybeBool, |
1016 |
"Whether the node should be marked as drained"),
|
1017 |
("auto_promote", False, ht.TBool, |
1018 |
"Whether node(s) should be promoted to master candidate if necessary"),
|
1019 |
("master_capable", None, ht.TMaybeBool, |
1020 |
"Denote whether node can become master or master candidate"),
|
1021 |
("vm_capable", None, ht.TMaybeBool, |
1022 |
"Denote whether node can host instances"),
|
1023 |
("secondary_ip", None, ht.TMaybeString, |
1024 |
"Change node's secondary IP address"),
|
1025 |
("ndparams", None, ht.TMaybeDict, "Set node parameters"), |
1026 |
("powered", None, ht.TMaybeBool, |
1027 |
"Whether the node should be marked as powered"),
|
1028 |
] |
1029 |
OP_RESULT = _TSetParamsResult |
1030 |
|
1031 |
|
1032 |
class OpNodePowercycle(OpCode): |
1033 |
"""Tries to powercycle a node."""
|
1034 |
OP_DSC_FIELD = "node_name"
|
1035 |
OP_PARAMS = [ |
1036 |
_PNodeName, |
1037 |
_PForce, |
1038 |
] |
1039 |
|
1040 |
|
1041 |
class OpNodeMigrate(OpCode): |
1042 |
"""Migrate all instances from a node."""
|
1043 |
OP_DSC_FIELD = "node_name"
|
1044 |
OP_PARAMS = [ |
1045 |
_PNodeName, |
1046 |
_PMigrationMode, |
1047 |
_PMigrationLive, |
1048 |
_PMigrationTargetNode, |
1049 |
("iallocator", None, ht.TMaybeString, |
1050 |
"Iallocator for deciding the target node for shared-storage instances"),
|
1051 |
] |
1052 |
OP_RESULT = TJobIdListOnly |
1053 |
|
1054 |
|
1055 |
class OpNodeEvacuate(OpCode): |
1056 |
"""Evacuate instances off a number of nodes."""
|
1057 |
OP_DSC_FIELD = "node_name"
|
1058 |
OP_PARAMS = [ |
1059 |
_PEarlyRelease, |
1060 |
_PNodeName, |
1061 |
("remote_node", None, ht.TMaybeString, "New secondary node"), |
1062 |
("iallocator", None, ht.TMaybeString, "Iallocator for computing solution"), |
1063 |
("mode", ht.NoDefault, ht.TElemOf(constants.NODE_EVAC_MODES),
|
1064 |
"Node evacuation mode"),
|
1065 |
] |
1066 |
OP_RESULT = TJobIdListOnly |
1067 |
|
1068 |
|
1069 |
# instance opcodes
|
1070 |
|
1071 |
class OpInstanceCreate(OpCode): |
1072 |
"""Create an instance.
|
1073 |
|
1074 |
@ivar instance_name: Instance name
|
1075 |
@ivar mode: Instance creation mode (one of L{constants.INSTANCE_CREATE_MODES})
|
1076 |
@ivar source_handshake: Signed handshake from source (remote import only)
|
1077 |
@ivar source_x509_ca: Source X509 CA in PEM format (remote import only)
|
1078 |
@ivar source_instance_name: Previous name of instance (remote import only)
|
1079 |
@ivar source_shutdown_timeout: Shutdown timeout used for source instance
|
1080 |
(remote import only)
|
1081 |
|
1082 |
"""
|
1083 |
OP_DSC_FIELD = "instance_name"
|
1084 |
OP_PARAMS = [ |
1085 |
_PInstanceName, |
1086 |
_PForceVariant, |
1087 |
_PWaitForSync, |
1088 |
_PNameCheck, |
1089 |
("beparams", ht.EmptyDict, ht.TDict, "Backend parameters for instance"), |
1090 |
("disks", ht.NoDefault,
|
1091 |
# TODO: Generate check from constants.IDISK_PARAMS_TYPES
|
1092 |
ht.TListOf(ht.TDictOf(ht.TElemOf(constants.IDISK_PARAMS), |
1093 |
ht.TOr(ht.TNonEmptyString, ht.TInt))), |
1094 |
"Disk descriptions, for example ``[{\"%s\": 100}, {\"%s\": 5}]``;"
|
1095 |
" each disk definition must contain a ``%s`` value and"
|
1096 |
" can contain an optional ``%s`` value denoting the disk access mode"
|
1097 |
" (%s)" %
|
1098 |
(constants.IDISK_SIZE, constants.IDISK_SIZE, constants.IDISK_SIZE, |
1099 |
constants.IDISK_MODE, |
1100 |
" or ".join("``%s``" % i for i in sorted(constants.DISK_ACCESS_SET)))), |
1101 |
("disk_template", ht.NoDefault, _BuildDiskTemplateCheck(True), |
1102 |
"Disk template"),
|
1103 |
("file_driver", None, ht.TOr(ht.TNone, ht.TElemOf(constants.FILE_DRIVER)), |
1104 |
"Driver for file-backed disks"),
|
1105 |
("file_storage_dir", None, ht.TMaybeString, |
1106 |
"Directory for storing file-backed disks"),
|
1107 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1108 |
"Hypervisor parameters for instance, hypervisor-dependent"),
|
1109 |
("hypervisor", None, ht.TMaybeString, "Hypervisor"), |
1110 |
("iallocator", None, ht.TMaybeString, |
1111 |
"Iallocator for deciding which node(s) to use"),
|
1112 |
("identify_defaults", False, ht.TBool, |
1113 |
"Reset instance parameters to default if equal"),
|
1114 |
("ip_check", True, ht.TBool, _PIpCheckDoc), |
1115 |
("mode", ht.NoDefault, ht.TElemOf(constants.INSTANCE_CREATE_MODES),
|
1116 |
"Instance creation mode"),
|
1117 |
("nics", ht.NoDefault, ht.TListOf(_TestNicDef),
|
1118 |
"List of NIC (network interface) definitions, for example"
|
1119 |
" ``[{}, {}, {\"%s\": \"198.51.100.4\"}]``; each NIC definition can"
|
1120 |
" contain the optional values %s" %
|
1121 |
(constants.INIC_IP, |
1122 |
", ".join("``%s``" % i for i in sorted(constants.INIC_PARAMS)))), |
1123 |
("no_install", None, ht.TMaybeBool, |
1124 |
"Do not install the OS (will disable automatic start)"),
|
1125 |
("osparams", ht.EmptyDict, ht.TDict, "OS parameters for instance"), |
1126 |
("os_type", None, ht.TMaybeString, "Operating system"), |
1127 |
("pnode", None, ht.TMaybeString, "Primary node"), |
1128 |
("snode", None, ht.TMaybeString, "Secondary node"), |
1129 |
("source_handshake", None, ht.TOr(ht.TList, ht.TNone), |
1130 |
"Signed handshake from source (remote import only)"),
|
1131 |
("source_instance_name", None, ht.TMaybeString, |
1132 |
"Source instance name (remote import only)"),
|
1133 |
("source_shutdown_timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT,
|
1134 |
ht.TPositiveInt, |
1135 |
"How long source instance was given to shut down (remote import only)"),
|
1136 |
("source_x509_ca", None, ht.TMaybeString, |
1137 |
"Source X509 CA in PEM format (remote import only)"),
|
1138 |
("src_node", None, ht.TMaybeString, "Source node for import"), |
1139 |
("src_path", None, ht.TMaybeString, "Source directory for import"), |
1140 |
("start", True, ht.TBool, "Whether to start instance after creation"), |
1141 |
("tags", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), "Instance tags"), |
1142 |
] |
1143 |
OP_RESULT = ht.Comment("instance nodes")(ht.TListOf(ht.TNonEmptyString))
|
1144 |
|
1145 |
|
1146 |
class OpInstanceReinstall(OpCode): |
1147 |
"""Reinstall an instance's OS."""
|
1148 |
OP_DSC_FIELD = "instance_name"
|
1149 |
OP_PARAMS = [ |
1150 |
_PInstanceName, |
1151 |
_PForceVariant, |
1152 |
("os_type", None, ht.TMaybeString, "Instance operating system"), |
1153 |
("osparams", None, ht.TMaybeDict, "Temporary OS parameters"), |
1154 |
] |
1155 |
|
1156 |
|
1157 |
class OpInstanceRemove(OpCode): |
1158 |
"""Remove an instance."""
|
1159 |
OP_DSC_FIELD = "instance_name"
|
1160 |
OP_PARAMS = [ |
1161 |
_PInstanceName, |
1162 |
_PShutdownTimeout, |
1163 |
("ignore_failures", False, ht.TBool, |
1164 |
"Whether to ignore failures during removal"),
|
1165 |
] |
1166 |
|
1167 |
|
1168 |
class OpInstanceRename(OpCode): |
1169 |
"""Rename an instance."""
|
1170 |
OP_PARAMS = [ |
1171 |
_PInstanceName, |
1172 |
_PNameCheck, |
1173 |
("new_name", ht.NoDefault, ht.TNonEmptyString, "New instance name"), |
1174 |
("ip_check", False, ht.TBool, _PIpCheckDoc), |
1175 |
] |
1176 |
OP_RESULT = ht.Comment("New instance name")(ht.TNonEmptyString)
|
1177 |
|
1178 |
|
1179 |
class OpInstanceStartup(OpCode): |
1180 |
"""Startup an instance."""
|
1181 |
OP_DSC_FIELD = "instance_name"
|
1182 |
OP_PARAMS = [ |
1183 |
_PInstanceName, |
1184 |
_PForce, |
1185 |
_PIgnoreOfflineNodes, |
1186 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1187 |
"Temporary hypervisor parameters, hypervisor-dependent"),
|
1188 |
("beparams", ht.EmptyDict, ht.TDict, "Temporary backend parameters"), |
1189 |
_PNoRemember, |
1190 |
_PStartupPaused, |
1191 |
] |
1192 |
|
1193 |
|
1194 |
class OpInstanceShutdown(OpCode): |
1195 |
"""Shutdown an instance."""
|
1196 |
OP_DSC_FIELD = "instance_name"
|
1197 |
OP_PARAMS = [ |
1198 |
_PInstanceName, |
1199 |
_PIgnoreOfflineNodes, |
1200 |
("timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT, ht.TPositiveInt,
|
1201 |
"How long to wait for instance to shut down"),
|
1202 |
_PNoRemember, |
1203 |
] |
1204 |
|
1205 |
|
1206 |
class OpInstanceReboot(OpCode): |
1207 |
"""Reboot an instance."""
|
1208 |
OP_DSC_FIELD = "instance_name"
|
1209 |
OP_PARAMS = [ |
1210 |
_PInstanceName, |
1211 |
_PShutdownTimeout, |
1212 |
("ignore_secondaries", False, ht.TBool, |
1213 |
"Whether to start the instance even if secondary disks are failing"),
|
1214 |
("reboot_type", ht.NoDefault, ht.TElemOf(constants.REBOOT_TYPES),
|
1215 |
"How to reboot instance"),
|
1216 |
] |
1217 |
|
1218 |
|
1219 |
class OpInstanceReplaceDisks(OpCode): |
1220 |
"""Replace the disks of an instance."""
|
1221 |
OP_DSC_FIELD = "instance_name"
|
1222 |
OP_PARAMS = [ |
1223 |
_PInstanceName, |
1224 |
_PEarlyRelease, |
1225 |
("mode", ht.NoDefault, ht.TElemOf(constants.REPLACE_MODES),
|
1226 |
"Replacement mode"),
|
1227 |
("disks", ht.EmptyList, ht.TListOf(ht.TPositiveInt),
|
1228 |
"Disk indexes"),
|
1229 |
("remote_node", None, ht.TMaybeString, "New secondary node"), |
1230 |
("iallocator", None, ht.TMaybeString, |
1231 |
"Iallocator for deciding new secondary node"),
|
1232 |
] |
1233 |
|
1234 |
|
1235 |
class OpInstanceFailover(OpCode): |
1236 |
"""Failover an instance."""
|
1237 |
OP_DSC_FIELD = "instance_name"
|
1238 |
OP_PARAMS = [ |
1239 |
_PInstanceName, |
1240 |
_PShutdownTimeout, |
1241 |
_PIgnoreConsistency, |
1242 |
_PMigrationTargetNode, |
1243 |
_PIgnoreIpolicy, |
1244 |
("iallocator", None, ht.TMaybeString, |
1245 |
"Iallocator for deciding the target node for shared-storage instances"),
|
1246 |
] |
1247 |
|
1248 |
|
1249 |
class OpInstanceMigrate(OpCode): |
1250 |
"""Migrate an instance.
|
1251 |
|
1252 |
This migrates (without shutting down an instance) to its secondary
|
1253 |
node.
|
1254 |
|
1255 |
@ivar instance_name: the name of the instance
|
1256 |
@ivar mode: the migration mode (live, non-live or None for auto)
|
1257 |
|
1258 |
"""
|
1259 |
OP_DSC_FIELD = "instance_name"
|
1260 |
OP_PARAMS = [ |
1261 |
_PInstanceName, |
1262 |
_PMigrationMode, |
1263 |
_PMigrationLive, |
1264 |
_PMigrationTargetNode, |
1265 |
_PIgnoreIpolicy, |
1266 |
("cleanup", False, ht.TBool, |
1267 |
"Whether a previously failed migration should be cleaned up"),
|
1268 |
("iallocator", None, ht.TMaybeString, |
1269 |
"Iallocator for deciding the target node for shared-storage instances"),
|
1270 |
("allow_failover", False, ht.TBool, |
1271 |
"Whether we can fallback to failover if migration is not possible"),
|
1272 |
] |
1273 |
|
1274 |
|
1275 |
class OpInstanceMove(OpCode): |
1276 |
"""Move an instance.
|
1277 |
|
1278 |
This move (with shutting down an instance and data copying) to an
|
1279 |
arbitrary node.
|
1280 |
|
1281 |
@ivar instance_name: the name of the instance
|
1282 |
@ivar target_node: the destination node
|
1283 |
|
1284 |
"""
|
1285 |
OP_DSC_FIELD = "instance_name"
|
1286 |
OP_PARAMS = [ |
1287 |
_PInstanceName, |
1288 |
_PShutdownTimeout, |
1289 |
_PIgnoreIpolicy, |
1290 |
("target_node", ht.NoDefault, ht.TNonEmptyString, "Target node"), |
1291 |
_PIgnoreConsistency, |
1292 |
] |
1293 |
|
1294 |
|
1295 |
class OpInstanceConsole(OpCode): |
1296 |
"""Connect to an instance's console."""
|
1297 |
OP_DSC_FIELD = "instance_name"
|
1298 |
OP_PARAMS = [ |
1299 |
_PInstanceName |
1300 |
] |
1301 |
|
1302 |
|
1303 |
class OpInstanceActivateDisks(OpCode): |
1304 |
"""Activate an instance's disks."""
|
1305 |
OP_DSC_FIELD = "instance_name"
|
1306 |
OP_PARAMS = [ |
1307 |
_PInstanceName, |
1308 |
("ignore_size", False, ht.TBool, "Whether to ignore recorded size"), |
1309 |
] |
1310 |
|
1311 |
|
1312 |
class OpInstanceDeactivateDisks(OpCode): |
1313 |
"""Deactivate an instance's disks."""
|
1314 |
OP_DSC_FIELD = "instance_name"
|
1315 |
OP_PARAMS = [ |
1316 |
_PInstanceName, |
1317 |
_PForce, |
1318 |
] |
1319 |
|
1320 |
|
1321 |
class OpInstanceRecreateDisks(OpCode): |
1322 |
"""Recreate an instance's disks."""
|
1323 |
OP_DSC_FIELD = "instance_name"
|
1324 |
OP_PARAMS = [ |
1325 |
_PInstanceName, |
1326 |
("disks", ht.EmptyList, ht.TListOf(ht.TPositiveInt),
|
1327 |
"List of disk indexes"),
|
1328 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1329 |
"New instance nodes, if relocation is desired"),
|
1330 |
] |
1331 |
|
1332 |
|
1333 |
class OpInstanceQuery(OpCode): |
1334 |
"""Compute the list of instances."""
|
1335 |
OP_PARAMS = [ |
1336 |
_POutputFields, |
1337 |
_PUseLocking, |
1338 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1339 |
"Empty list to query all instances, instance names otherwise"),
|
1340 |
] |
1341 |
|
1342 |
|
1343 |
class OpInstanceQueryData(OpCode): |
1344 |
"""Compute the run-time status of instances."""
|
1345 |
OP_PARAMS = [ |
1346 |
_PUseLocking, |
1347 |
("instances", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1348 |
"Instance names"),
|
1349 |
("static", False, ht.TBool, |
1350 |
"Whether to only return configuration data without querying"
|
1351 |
" nodes"),
|
1352 |
] |
1353 |
|
1354 |
|
1355 |
class OpInstanceSetParams(OpCode): |
1356 |
"""Change the parameters of an instance."""
|
1357 |
OP_DSC_FIELD = "instance_name"
|
1358 |
OP_PARAMS = [ |
1359 |
_PInstanceName, |
1360 |
_PForce, |
1361 |
_PForceVariant, |
1362 |
_PIgnoreIpolicy, |
1363 |
# TODO: Use _TestNicDef
|
1364 |
("nics", ht.EmptyList, ht.TList,
|
1365 |
"List of NIC changes. Each item is of the form ``(op, settings)``."
|
1366 |
" ``op`` can be ``%s`` to add a new NIC with the specified settings,"
|
1367 |
" ``%s`` to remove the last NIC or a number to modify the settings"
|
1368 |
" of the NIC with that index." %
|
1369 |
(constants.DDM_ADD, constants.DDM_REMOVE)), |
1370 |
("disks", ht.EmptyList, ht.TList, "List of disk changes. See ``nics``."), |
1371 |
("beparams", ht.EmptyDict, ht.TDict, "Per-instance backend parameters"), |
1372 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1373 |
"Per-instance hypervisor parameters, hypervisor-dependent"),
|
1374 |
("disk_template", None, ht.TOr(ht.TNone, _BuildDiskTemplateCheck(False)), |
1375 |
"Disk template for instance"),
|
1376 |
("remote_node", None, ht.TMaybeString, |
1377 |
"Secondary node (used when changing disk template)"),
|
1378 |
("os_name", None, ht.TMaybeString, |
1379 |
"Change instance's OS name. Does not reinstall the instance."),
|
1380 |
("osparams", None, ht.TMaybeDict, "Per-instance OS parameters"), |
1381 |
("wait_for_sync", True, ht.TBool, |
1382 |
"Whether to wait for the disk to synchronize, when changing template"),
|
1383 |
("offline_inst", False, ht.TBool, |
1384 |
"Whether to turn off the down instance completely"),
|
1385 |
("online_inst", False, ht.TBool, |
1386 |
"Whether to enable the offline instance"),
|
1387 |
] |
1388 |
OP_RESULT = _TSetParamsResult |
1389 |
|
1390 |
|
1391 |
class OpInstanceGrowDisk(OpCode): |
1392 |
"""Grow a disk of an instance."""
|
1393 |
OP_DSC_FIELD = "instance_name"
|
1394 |
OP_PARAMS = [ |
1395 |
_PInstanceName, |
1396 |
_PWaitForSync, |
1397 |
("disk", ht.NoDefault, ht.TInt, "Disk index"), |
1398 |
("amount", ht.NoDefault, ht.TInt,
|
1399 |
"Amount of disk space to add (megabytes)"),
|
1400 |
] |
1401 |
|
1402 |
|
1403 |
class OpInstanceChangeGroup(OpCode): |
1404 |
"""Moves an instance to another node group."""
|
1405 |
OP_DSC_FIELD = "instance_name"
|
1406 |
OP_PARAMS = [ |
1407 |
_PInstanceName, |
1408 |
_PEarlyRelease, |
1409 |
("iallocator", None, ht.TMaybeString, "Iallocator for computing solution"), |
1410 |
("target_groups", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), |
1411 |
"Destination group names or UUIDs (defaults to \"all but current group\""),
|
1412 |
] |
1413 |
OP_RESULT = TJobIdListOnly |
1414 |
|
1415 |
|
1416 |
# Node group opcodes
|
1417 |
|
1418 |
class OpGroupAdd(OpCode): |
1419 |
"""Add a node group to the cluster."""
|
1420 |
OP_DSC_FIELD = "group_name"
|
1421 |
OP_PARAMS = [ |
1422 |
_PGroupName, |
1423 |
_PNodeGroupAllocPolicy, |
1424 |
_PGroupNodeParams, |
1425 |
_PDiskParams, |
1426 |
_PHvState, |
1427 |
_PDiskState, |
1428 |
("ipolicy", None, ht.TMaybeDict, "Group-wide instance policy specs"), |
1429 |
] |
1430 |
|
1431 |
|
1432 |
class OpGroupAssignNodes(OpCode): |
1433 |
"""Assign nodes to a node group."""
|
1434 |
OP_DSC_FIELD = "group_name"
|
1435 |
OP_PARAMS = [ |
1436 |
_PGroupName, |
1437 |
_PForce, |
1438 |
("nodes", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
1439 |
"List of nodes to assign"),
|
1440 |
] |
1441 |
|
1442 |
|
1443 |
class OpGroupQuery(OpCode): |
1444 |
"""Compute the list of node groups."""
|
1445 |
OP_PARAMS = [ |
1446 |
_POutputFields, |
1447 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1448 |
"Empty list to query all groups, group names otherwise"),
|
1449 |
] |
1450 |
|
1451 |
|
1452 |
class OpGroupSetParams(OpCode): |
1453 |
"""Change the parameters of a node group."""
|
1454 |
OP_DSC_FIELD = "group_name"
|
1455 |
OP_PARAMS = [ |
1456 |
_PGroupName, |
1457 |
_PNodeGroupAllocPolicy, |
1458 |
_PGroupNodeParams, |
1459 |
_PDiskParams, |
1460 |
_PHvState, |
1461 |
_PDiskState, |
1462 |
("ipolicy", None, ht.TMaybeDict, "Group-wide instance policy specs"), |
1463 |
] |
1464 |
OP_RESULT = _TSetParamsResult |
1465 |
|
1466 |
|
1467 |
class OpGroupRemove(OpCode): |
1468 |
"""Remove a node group from the cluster."""
|
1469 |
OP_DSC_FIELD = "group_name"
|
1470 |
OP_PARAMS = [ |
1471 |
_PGroupName, |
1472 |
] |
1473 |
|
1474 |
|
1475 |
class OpGroupRename(OpCode): |
1476 |
"""Rename a node group in the cluster."""
|
1477 |
OP_PARAMS = [ |
1478 |
_PGroupName, |
1479 |
("new_name", ht.NoDefault, ht.TNonEmptyString, "New group name"), |
1480 |
] |
1481 |
OP_RESULT = ht.Comment("New group name")(ht.TNonEmptyString)
|
1482 |
|
1483 |
|
1484 |
class OpGroupEvacuate(OpCode): |
1485 |
"""Evacuate a node group in the cluster."""
|
1486 |
OP_DSC_FIELD = "group_name"
|
1487 |
OP_PARAMS = [ |
1488 |
_PGroupName, |
1489 |
_PEarlyRelease, |
1490 |
("iallocator", None, ht.TMaybeString, "Iallocator for computing solution"), |
1491 |
("target_groups", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), |
1492 |
"Destination group names or UUIDs"),
|
1493 |
] |
1494 |
OP_RESULT = TJobIdListOnly |
1495 |
|
1496 |
|
1497 |
# OS opcodes
|
1498 |
class OpOsDiagnose(OpCode): |
1499 |
"""Compute the list of guest operating systems."""
|
1500 |
OP_PARAMS = [ |
1501 |
_POutputFields, |
1502 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1503 |
"Which operating systems to diagnose"),
|
1504 |
] |
1505 |
|
1506 |
|
1507 |
# Exports opcodes
|
1508 |
class OpBackupQuery(OpCode): |
1509 |
"""Compute the list of exported images."""
|
1510 |
OP_PARAMS = [ |
1511 |
_PUseLocking, |
1512 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1513 |
"Empty list to query all nodes, node names otherwise"),
|
1514 |
] |
1515 |
|
1516 |
|
1517 |
class OpBackupPrepare(OpCode): |
1518 |
"""Prepares an instance export.
|
1519 |
|
1520 |
@ivar instance_name: Instance name
|
1521 |
@ivar mode: Export mode (one of L{constants.EXPORT_MODES})
|
1522 |
|
1523 |
"""
|
1524 |
OP_DSC_FIELD = "instance_name"
|
1525 |
OP_PARAMS = [ |
1526 |
_PInstanceName, |
1527 |
("mode", ht.NoDefault, ht.TElemOf(constants.EXPORT_MODES),
|
1528 |
"Export mode"),
|
1529 |
] |
1530 |
|
1531 |
|
1532 |
class OpBackupExport(OpCode): |
1533 |
"""Export an instance.
|
1534 |
|
1535 |
For local exports, the export destination is the node name. For remote
|
1536 |
exports, the export destination is a list of tuples, each consisting of
|
1537 |
hostname/IP address, port, HMAC and HMAC salt. The HMAC is calculated using
|
1538 |
the cluster domain secret over the value "${index}:${hostname}:${port}". The
|
1539 |
destination X509 CA must be a signed certificate.
|
1540 |
|
1541 |
@ivar mode: Export mode (one of L{constants.EXPORT_MODES})
|
1542 |
@ivar target_node: Export destination
|
1543 |
@ivar x509_key_name: X509 key to use (remote export only)
|
1544 |
@ivar destination_x509_ca: Destination X509 CA in PEM format (remote export
|
1545 |
only)
|
1546 |
|
1547 |
"""
|
1548 |
OP_DSC_FIELD = "instance_name"
|
1549 |
OP_PARAMS = [ |
1550 |
_PInstanceName, |
1551 |
_PShutdownTimeout, |
1552 |
# TODO: Rename target_node as it changes meaning for different export modes
|
1553 |
# (e.g. "destination")
|
1554 |
("target_node", ht.NoDefault, ht.TOr(ht.TNonEmptyString, ht.TList),
|
1555 |
"Destination information, depends on export mode"),
|
1556 |
("shutdown", True, ht.TBool, "Whether to shutdown instance before export"), |
1557 |
("remove_instance", False, ht.TBool, |
1558 |
"Whether to remove instance after export"),
|
1559 |
("ignore_remove_failures", False, ht.TBool, |
1560 |
"Whether to ignore failures while removing instances"),
|
1561 |
("mode", constants.EXPORT_MODE_LOCAL, ht.TElemOf(constants.EXPORT_MODES),
|
1562 |
"Export mode"),
|
1563 |
("x509_key_name", None, ht.TOr(ht.TList, ht.TNone), |
1564 |
"Name of X509 key (remote export only)"),
|
1565 |
("destination_x509_ca", None, ht.TMaybeString, |
1566 |
"Destination X509 CA (remote export only)"),
|
1567 |
] |
1568 |
|
1569 |
|
1570 |
class OpBackupRemove(OpCode): |
1571 |
"""Remove an instance's export."""
|
1572 |
OP_DSC_FIELD = "instance_name"
|
1573 |
OP_PARAMS = [ |
1574 |
_PInstanceName, |
1575 |
] |
1576 |
|
1577 |
|
1578 |
# Tags opcodes
|
1579 |
class OpTagsGet(OpCode): |
1580 |
"""Returns the tags of the given object."""
|
1581 |
OP_DSC_FIELD = "name"
|
1582 |
OP_PARAMS = [ |
1583 |
_PTagKind, |
1584 |
# Name is only meaningful for nodes and instances
|
1585 |
("name", ht.NoDefault, ht.TMaybeString, None), |
1586 |
] |
1587 |
|
1588 |
|
1589 |
class OpTagsSearch(OpCode): |
1590 |
"""Searches the tags in the cluster for a given pattern."""
|
1591 |
OP_DSC_FIELD = "pattern"
|
1592 |
OP_PARAMS = [ |
1593 |
("pattern", ht.NoDefault, ht.TNonEmptyString, None), |
1594 |
] |
1595 |
|
1596 |
|
1597 |
class OpTagsSet(OpCode): |
1598 |
"""Add a list of tags on a given object."""
|
1599 |
OP_PARAMS = [ |
1600 |
_PTagKind, |
1601 |
_PTags, |
1602 |
# Name is only meaningful for nodes and instances
|
1603 |
("name", ht.NoDefault, ht.TMaybeString, None), |
1604 |
] |
1605 |
|
1606 |
|
1607 |
class OpTagsDel(OpCode): |
1608 |
"""Remove a list of tags from a given object."""
|
1609 |
OP_PARAMS = [ |
1610 |
_PTagKind, |
1611 |
_PTags, |
1612 |
# Name is only meaningful for nodes and instances
|
1613 |
("name", ht.NoDefault, ht.TMaybeString, None), |
1614 |
] |
1615 |
|
1616 |
|
1617 |
# Test opcodes
|
1618 |
class OpTestDelay(OpCode): |
1619 |
"""Sleeps for a configured amount of time.
|
1620 |
|
1621 |
This is used just for debugging and testing.
|
1622 |
|
1623 |
Parameters:
|
1624 |
- duration: the time to sleep
|
1625 |
- on_master: if true, sleep on the master
|
1626 |
- on_nodes: list of nodes in which to sleep
|
1627 |
|
1628 |
If the on_master parameter is true, it will execute a sleep on the
|
1629 |
master (before any node sleep).
|
1630 |
|
1631 |
If the on_nodes list is not empty, it will sleep on those nodes
|
1632 |
(after the sleep on the master, if that is enabled).
|
1633 |
|
1634 |
As an additional feature, the case of duration < 0 will be reported
|
1635 |
as an execution error, so this opcode can be used as a failure
|
1636 |
generator. The case of duration == 0 will not be treated specially.
|
1637 |
|
1638 |
"""
|
1639 |
OP_DSC_FIELD = "duration"
|
1640 |
OP_PARAMS = [ |
1641 |
("duration", ht.NoDefault, ht.TNumber, None), |
1642 |
("on_master", True, ht.TBool, None), |
1643 |
("on_nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
1644 |
("repeat", 0, ht.TPositiveInt, None), |
1645 |
] |
1646 |
|
1647 |
|
1648 |
class OpTestAllocator(OpCode): |
1649 |
"""Allocator framework testing.
|
1650 |
|
1651 |
This opcode has two modes:
|
1652 |
- gather and return allocator input for a given mode (allocate new
|
1653 |
or replace secondary) and a given instance definition (direction
|
1654 |
'in')
|
1655 |
- run a selected allocator for a given operation (as above) and
|
1656 |
return the allocator output (direction 'out')
|
1657 |
|
1658 |
"""
|
1659 |
OP_DSC_FIELD = "allocator"
|
1660 |
OP_PARAMS = [ |
1661 |
("direction", ht.NoDefault,
|
1662 |
ht.TElemOf(constants.VALID_IALLOCATOR_DIRECTIONS), None),
|
1663 |
("mode", ht.NoDefault, ht.TElemOf(constants.VALID_IALLOCATOR_MODES), None), |
1664 |
("name", ht.NoDefault, ht.TNonEmptyString, None), |
1665 |
("nics", ht.NoDefault, ht.TOr(ht.TNone, ht.TListOf(
|
1666 |
ht.TDictOf(ht.TElemOf([constants.INIC_MAC, constants.INIC_IP, "bridge"]),
|
1667 |
ht.TOr(ht.TNone, ht.TNonEmptyString)))), None),
|
1668 |
("disks", ht.NoDefault, ht.TOr(ht.TNone, ht.TList), None), |
1669 |
("hypervisor", None, ht.TMaybeString, None), |
1670 |
("allocator", None, ht.TMaybeString, None), |
1671 |
("tags", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
1672 |
("memory", None, ht.TOr(ht.TNone, ht.TPositiveInt), None), |
1673 |
("vcpus", None, ht.TOr(ht.TNone, ht.TPositiveInt), None), |
1674 |
("os", None, ht.TMaybeString, None), |
1675 |
("disk_template", None, ht.TMaybeString, None), |
1676 |
("instances", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), |
1677 |
None),
|
1678 |
("evac_mode", None, |
1679 |
ht.TOr(ht.TNone, ht.TElemOf(constants.IALLOCATOR_NEVAC_MODES)), None),
|
1680 |
("target_groups", None, ht.TOr(ht.TNone, ht.TListOf(ht.TNonEmptyString)), |
1681 |
None),
|
1682 |
] |
1683 |
|
1684 |
|
1685 |
class OpTestJqueue(OpCode): |
1686 |
"""Utility opcode to test some aspects of the job queue.
|
1687 |
|
1688 |
"""
|
1689 |
OP_PARAMS = [ |
1690 |
("notify_waitlock", False, ht.TBool, None), |
1691 |
("notify_exec", False, ht.TBool, None), |
1692 |
("log_messages", ht.EmptyList, ht.TListOf(ht.TString), None), |
1693 |
("fail", False, ht.TBool, None), |
1694 |
] |
1695 |
|
1696 |
|
1697 |
class OpTestDummy(OpCode): |
1698 |
"""Utility opcode used by unittests.
|
1699 |
|
1700 |
"""
|
1701 |
OP_PARAMS = [ |
1702 |
("result", ht.NoDefault, ht.NoType, None), |
1703 |
("messages", ht.NoDefault, ht.NoType, None), |
1704 |
("fail", ht.NoDefault, ht.NoType, None), |
1705 |
("submit_jobs", None, ht.NoType, None), |
1706 |
] |
1707 |
WITH_LU = False
|
1708 |
|
1709 |
|
1710 |
def _GetOpList(): |
1711 |
"""Returns list of all defined opcodes.
|
1712 |
|
1713 |
Does not eliminate duplicates by C{OP_ID}.
|
1714 |
|
1715 |
"""
|
1716 |
return [v for v in globals().values() |
1717 |
if (isinstance(v, type) and issubclass(v, OpCode) and |
1718 |
hasattr(v, "OP_ID") and v is not OpCode)] |
1719 |
|
1720 |
|
1721 |
OP_MAPPING = dict((v.OP_ID, v) for v in _GetOpList()) |