root / lib / opcodes.py @ 9b28d122
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# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 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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import ipaddr |
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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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from ganeti import objects |
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from ganeti import outils |
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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.TNonNegativeInt,
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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.TMaybe(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),
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"Tag kind")
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#: List of tag strings
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_PTags = ("tags", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
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"List of tag names")
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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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_PWaitForSyncFalse = ("wait_for_sync", False, ht.TBool, |
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"Whether to wait for the disk to synchronize"
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" (defaults to false)")
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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.TMaybe(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 = \ |
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("diskparams", None, |
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ht.TMaybe(ht.TDictOf(ht.TElemOf(constants.DISK_TEMPLATES), ht.TDict)), |
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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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#: Opportunistic locking
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_POpportunisticLocking = \ |
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("opportunistic_locking", False, ht.TBool, |
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("Whether to employ opportunistic locking for nodes, meaning nodes"
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" already locked by another opcode won't be considered for instance"
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" allocation (only when an iallocator is used)"))
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_PIgnoreIpolicy = ("ignore_ipolicy", False, ht.TBool, |
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"Whether to ignore ipolicy violations")
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# Allow runtime changes while migrating
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_PAllowRuntimeChgs = ("allow_runtime_changes", True, ht.TBool, |
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"Allow runtime changes (eg. memory ballooning)")
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#: IAllocator field builder
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_PIAllocFromDesc = lambda desc: ("iallocator", None, ht.TMaybeString, desc) |
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#: a required network name
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_PNetworkName = ("network_name", ht.NoDefault, ht.TNonEmptyString,
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"Set network name")
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_PTargetGroups = \ |
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("target_groups", None, ht.TMaybeListOf(ht.TNonEmptyString), |
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"Destination group names or UUIDs (defaults to \"all but current group\")")
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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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_TestClusterOsListItem = \ |
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ht.TAnd(ht.TIsLength(2), ht.TItems([
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ht.TElemOf(constants.DDMS_VALUES), |
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ht.TNonEmptyString, |
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])) |
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_TestClusterOsList = ht.TMaybeListOf(_TestClusterOsListItem) |
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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 = \ |
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ht.Comment("NIC parameters")(ht.TDictOf(ht.TElemOf(constants.INIC_PARAMS),
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ht.TMaybeString)) |
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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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# In the disks option we can provide arbitrary parameters too, which
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# we may not be able to validate at this level, so we just check the
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# format of the dict here and the checks concerning IDISK_PARAMS will
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# happen at the LU level
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_TDiskParams = \ |
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ht.Comment("Disk parameters")(ht.TDictOf(ht.TNonEmptyString,
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ht.TOr(ht.TNonEmptyString, ht.TInt))) |
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_TQueryRow = \ |
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ht.TListOf(ht.TAnd(ht.TIsLength(2),
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ht.TItems([ht.TElemOf(constants.RS_ALL), |
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ht.TAny]))) |
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_TQueryResult = ht.TListOf(_TQueryRow) |
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_TOldQueryRow = ht.TListOf(ht.TAny) |
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_TOldQueryResult = ht.TListOf(_TOldQueryRow) |
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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 _NameComponents(name): |
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"""Split an opcode class name into its components
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@type name: string
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@param name: the class name, as OpXxxYyy
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@rtype: array of strings
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@return: the components of the name
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"""
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assert name.startswith("Op") |
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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 elems
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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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return "_".join(n.upper() for n in _NameComponents(name)) |
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def NameToReasonSrc(name): |
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"""Convert an opcode class name to a source string for the reason trail
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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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return "%s:%s" % (constants.OPCODE_REASON_SRC_OPCODE, |
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"_".join(n.lower() for n in _NameComponents(name))) |
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def _GenerateObjectTypeCheck(obj, fields_types): |
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"""Helper to generate type checks for objects.
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@param obj: The object to generate type checks
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@param fields_types: The fields and their types as a dict
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@return: A ht type check function
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"""
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assert set(obj.GetAllSlots()) == set(fields_types.keys()), \ |
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"%s != %s" % (set(obj.GetAllSlots()), set(fields_types.keys())) |
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return ht.TStrictDict(True, True, fields_types) |
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_TQueryFieldDef = \ |
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_GenerateObjectTypeCheck(objects.QueryFieldDefinition, { |
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"name": ht.TNonEmptyString,
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"title": ht.TNonEmptyString,
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"kind": ht.TElemOf(constants.QFT_ALL),
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"doc": ht.TNonEmptyString,
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}) |
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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.TMaybe(template_check) |
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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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# TODO: What about shared file storage?
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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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@ht.WithDesc("IPv4 network") |
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def _CheckCIDRNetNotation(value): |
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"""Ensure a given CIDR notation type is valid.
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"""
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try:
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ipaddr.IPv4Network(value) |
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except ipaddr.AddressValueError:
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return False |
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return True |
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@ht.WithDesc("IPv4 address") |
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def _CheckCIDRAddrNotation(value): |
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"""Ensure a given CIDR notation type is valid.
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"""
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try:
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ipaddr.IPv4Address(value) |
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except ipaddr.AddressValueError:
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return False |
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return True |
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@ht.WithDesc("IPv6 address") |
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def _CheckCIDR6AddrNotation(value): |
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"""Ensure a given CIDR notation type is valid.
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"""
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try:
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ipaddr.IPv6Address(value) |
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except ipaddr.AddressValueError:
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return False |
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return True |
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@ht.WithDesc("IPv6 network") |
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def _CheckCIDR6NetNotation(value): |
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"""Ensure a given CIDR notation type is valid.
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"""
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try:
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ipaddr.IPv6Network(value) |
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except ipaddr.AddressValueError:
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return False |
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return True |
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_TIpAddress4 = ht.TAnd(ht.TString, _CheckCIDRAddrNotation) |
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_TIpAddress6 = ht.TAnd(ht.TString, _CheckCIDR6AddrNotation) |
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_TIpNetwork4 = ht.TAnd(ht.TString, _CheckCIDRNetNotation) |
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_TIpNetwork6 = ht.TAnd(ht.TString, _CheckCIDR6NetNotation) |
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_TMaybeAddr4List = ht.TMaybe(ht.TListOf(_TIpAddress4)) |
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class _AutoOpParamSlots(outils.AutoSlots): |
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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 "OP_ID" not in attrs, "Class '%s' defining OP_ID" % name |
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slots = mcs._GetSlots(attrs) |
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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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assert ("OP_DSC_FORMATTER" not in attrs or |
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callable(attrs["OP_DSC_FORMATTER"])), \ |
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("Class '%s' uses non-callable in OP_DSC_FORMATTER (%s)" %
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(name, type(attrs["OP_DSC_FORMATTER"]))) |
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attrs["OP_ID"] = _NameToId(name)
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return outils.AutoSlots.__new__(mcs, name, bases, attrs)
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|
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@classmethod
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def _GetSlots(mcs, attrs): |
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"""Build the slots out of OP_PARAMS.
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|
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"""
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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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return [pname for (pname, _, _, _) in params] |
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|
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|
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class BaseOpCode(outils.ValidatedSlots): |
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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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"""
|
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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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|
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def __getstate__(self): |
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"""Generic serializer.
|
501 |
|
502 |
This method just returns the contents of the instance as a
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dictionary.
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504 |
|
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@rtype: C{dict}
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506 |
@return: the instance attributes and their values
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"""
|
509 |
state = {} |
510 |
for name in self.GetAllSlots(): |
511 |
if hasattr(self, name): |
512 |
state[name] = getattr(self, name) |
513 |
return state
|
514 |
|
515 |
def __setstate__(self, state): |
516 |
"""Generic unserializer.
|
517 |
|
518 |
This method just restores from the serialized state the attributes
|
519 |
of the current instance.
|
520 |
|
521 |
@param state: the serialized opcode data
|
522 |
@type state: C{dict}
|
523 |
|
524 |
"""
|
525 |
if not isinstance(state, dict): |
526 |
raise ValueError("Invalid data to __setstate__: expected dict, got %s" % |
527 |
type(state))
|
528 |
|
529 |
for name in self.GetAllSlots(): |
530 |
if name not in state and hasattr(self, name): |
531 |
delattr(self, name) |
532 |
|
533 |
for name in state: |
534 |
setattr(self, name, state[name]) |
535 |
|
536 |
@classmethod
|
537 |
def GetAllParams(cls): |
538 |
"""Compute list of all parameters for an opcode.
|
539 |
|
540 |
"""
|
541 |
slots = [] |
542 |
for parent in cls.__mro__: |
543 |
slots.extend(getattr(parent, "OP_PARAMS", [])) |
544 |
return slots
|
545 |
|
546 |
def Validate(self, set_defaults): # pylint: disable=W0221 |
547 |
"""Validate opcode parameters, optionally setting default values.
|
548 |
|
549 |
@type set_defaults: bool
|
550 |
@param set_defaults: Whether to set default values
|
551 |
@raise errors.OpPrereqError: When a parameter value doesn't match
|
552 |
requirements
|
553 |
|
554 |
"""
|
555 |
for (attr_name, default, test, _) in self.GetAllParams(): |
556 |
assert test == ht.NoType or callable(test) |
557 |
|
558 |
if not hasattr(self, attr_name): |
559 |
if default == ht.NoDefault:
|
560 |
raise errors.OpPrereqError("Required parameter '%s.%s' missing" % |
561 |
(self.OP_ID, attr_name),
|
562 |
errors.ECODE_INVAL) |
563 |
elif set_defaults:
|
564 |
if callable(default): |
565 |
dval = default() |
566 |
else:
|
567 |
dval = default |
568 |
setattr(self, attr_name, dval) |
569 |
|
570 |
if test == ht.NoType:
|
571 |
# no tests here
|
572 |
continue
|
573 |
|
574 |
if set_defaults or hasattr(self, attr_name): |
575 |
attr_val = getattr(self, attr_name) |
576 |
if not test(attr_val): |
577 |
logging.error("OpCode %s, parameter %s, has invalid type %s/value"
|
578 |
" '%s' expecting type %s",
|
579 |
self.OP_ID, attr_name, type(attr_val), attr_val, test) |
580 |
raise errors.OpPrereqError("Parameter '%s.%s' fails validation" % |
581 |
(self.OP_ID, attr_name),
|
582 |
errors.ECODE_INVAL) |
583 |
|
584 |
|
585 |
def _BuildJobDepCheck(relative): |
586 |
"""Builds check for job dependencies (L{DEPEND_ATTR}).
|
587 |
|
588 |
@type relative: bool
|
589 |
@param relative: Whether to accept relative job IDs (negative)
|
590 |
@rtype: callable
|
591 |
|
592 |
"""
|
593 |
if relative:
|
594 |
job_id = ht.TOr(ht.TJobId, ht.TRelativeJobId) |
595 |
else:
|
596 |
job_id = ht.TJobId |
597 |
|
598 |
job_dep = \ |
599 |
ht.TAnd(ht.TOr(ht.TList, ht.TTuple), |
600 |
ht.TIsLength(2),
|
601 |
ht.TItems([job_id, |
602 |
ht.TListOf(ht.TElemOf(constants.JOBS_FINALIZED))])) |
603 |
|
604 |
return ht.TMaybeListOf(job_dep)
|
605 |
|
606 |
|
607 |
TNoRelativeJobDependencies = _BuildJobDepCheck(False)
|
608 |
|
609 |
#: List of submission status and job ID as returned by C{SubmitManyJobs}
|
610 |
_TJobIdListItem = \ |
611 |
ht.TAnd(ht.TIsLength(2),
|
612 |
ht.TItems([ht.Comment("success")(ht.TBool),
|
613 |
ht.Comment("Job ID if successful, error message"
|
614 |
" otherwise")(ht.TOr(ht.TString,
|
615 |
ht.TJobId))])) |
616 |
TJobIdList = ht.TListOf(_TJobIdListItem) |
617 |
|
618 |
#: Result containing only list of submitted jobs
|
619 |
TJobIdListOnly = ht.TStrictDict(True, True, { |
620 |
constants.JOB_IDS_KEY: ht.Comment("List of submitted jobs")(TJobIdList),
|
621 |
}) |
622 |
|
623 |
|
624 |
class OpCode(BaseOpCode): |
625 |
"""Abstract OpCode.
|
626 |
|
627 |
This is the root of the actual OpCode hierarchy. All clases derived
|
628 |
from this class should override OP_ID.
|
629 |
|
630 |
@cvar OP_ID: The ID of this opcode. This should be unique amongst all
|
631 |
children of this class.
|
632 |
@cvar OP_DSC_FIELD: The name of a field whose value will be included in the
|
633 |
string returned by Summary(); see the docstring of that
|
634 |
method for details).
|
635 |
@cvar OP_DSC_FORMATTER: A callable that should format the OP_DSC_FIELD; if
|
636 |
not present, then the field will be simply converted
|
637 |
to string
|
638 |
@cvar OP_PARAMS: List of opcode attributes, the default values they should
|
639 |
get if not already defined, and types they must match.
|
640 |
@cvar OP_RESULT: Callable to verify opcode result
|
641 |
@cvar WITH_LU: Boolean that specifies whether this should be included in
|
642 |
mcpu's dispatch table
|
643 |
@ivar dry_run: Whether the LU should be run in dry-run mode, i.e. just
|
644 |
the check steps
|
645 |
@ivar priority: Opcode priority for queue
|
646 |
|
647 |
"""
|
648 |
# pylint: disable=E1101
|
649 |
# as OP_ID is dynamically defined
|
650 |
WITH_LU = True
|
651 |
OP_PARAMS = [ |
652 |
("dry_run", None, ht.TMaybeBool, "Run checks only, don't execute"), |
653 |
("debug_level", None, ht.TMaybe(ht.TNonNegativeInt), "Debug level"), |
654 |
("priority", constants.OP_PRIO_DEFAULT,
|
655 |
ht.TElemOf(constants.OP_PRIO_SUBMIT_VALID), "Opcode priority"),
|
656 |
(DEPEND_ATTR, None, _BuildJobDepCheck(True), |
657 |
"Job dependencies; if used through ``SubmitManyJobs`` relative (negative)"
|
658 |
" job IDs can be used; see :doc:`design document <design-chained-jobs>`"
|
659 |
" for details"),
|
660 |
(COMMENT_ATTR, None, ht.TMaybeString,
|
661 |
"Comment describing the purpose of the opcode"),
|
662 |
(constants.OPCODE_REASON, ht.EmptyList, ht.TMaybeList, |
663 |
"The reason trail, describing why the OpCode is executed"),
|
664 |
] |
665 |
OP_RESULT = None
|
666 |
|
667 |
def __getstate__(self): |
668 |
"""Specialized getstate for opcodes.
|
669 |
|
670 |
This method adds to the state dictionary the OP_ID of the class,
|
671 |
so that on unload we can identify the correct class for
|
672 |
instantiating the opcode.
|
673 |
|
674 |
@rtype: C{dict}
|
675 |
@return: the state as a dictionary
|
676 |
|
677 |
"""
|
678 |
data = BaseOpCode.__getstate__(self)
|
679 |
data["OP_ID"] = self.OP_ID |
680 |
return data
|
681 |
|
682 |
@classmethod
|
683 |
def LoadOpCode(cls, data): |
684 |
"""Generic load opcode method.
|
685 |
|
686 |
The method identifies the correct opcode class from the dict-form
|
687 |
by looking for a OP_ID key, if this is not found, or its value is
|
688 |
not available in this module as a child of this class, we fail.
|
689 |
|
690 |
@type data: C{dict}
|
691 |
@param data: the serialized opcode
|
692 |
|
693 |
"""
|
694 |
if not isinstance(data, dict): |
695 |
raise ValueError("Invalid data to LoadOpCode (%s)" % type(data)) |
696 |
if "OP_ID" not in data: |
697 |
raise ValueError("Invalid data to LoadOpcode, missing OP_ID") |
698 |
op_id = data["OP_ID"]
|
699 |
op_class = None
|
700 |
if op_id in OP_MAPPING: |
701 |
op_class = OP_MAPPING[op_id] |
702 |
else:
|
703 |
raise ValueError("Invalid data to LoadOpCode: OP_ID %s unsupported" % |
704 |
op_id) |
705 |
op = op_class() |
706 |
new_data = data.copy() |
707 |
del new_data["OP_ID"] |
708 |
op.__setstate__(new_data) |
709 |
return op
|
710 |
|
711 |
def Summary(self): |
712 |
"""Generates a summary description of this opcode.
|
713 |
|
714 |
The summary is the value of the OP_ID attribute (without the "OP_"
|
715 |
prefix), plus the value of the OP_DSC_FIELD attribute, if one was
|
716 |
defined; this field should allow to easily identify the operation
|
717 |
(for an instance creation job, e.g., it would be the instance
|
718 |
name).
|
719 |
|
720 |
"""
|
721 |
assert self.OP_ID is not None and len(self.OP_ID) > 3 |
722 |
# all OP_ID start with OP_, we remove that
|
723 |
txt = self.OP_ID[3:] |
724 |
field_name = getattr(self, "OP_DSC_FIELD", None) |
725 |
if field_name:
|
726 |
field_value = getattr(self, field_name, None) |
727 |
field_formatter = getattr(self, "OP_DSC_FORMATTER", None) |
728 |
if callable(field_formatter): |
729 |
field_value = field_formatter(field_value) |
730 |
elif isinstance(field_value, (list, tuple)): |
731 |
field_value = ",".join(str(i) for i in field_value) |
732 |
txt = "%s(%s)" % (txt, field_value)
|
733 |
return txt
|
734 |
|
735 |
def TinySummary(self): |
736 |
"""Generates a compact summary description of the opcode.
|
737 |
|
738 |
"""
|
739 |
assert self.OP_ID.startswith("OP_") |
740 |
|
741 |
text = self.OP_ID[3:] |
742 |
|
743 |
for (prefix, supplement) in _SUMMARY_PREFIX.items(): |
744 |
if text.startswith(prefix):
|
745 |
return supplement + text[len(prefix):] |
746 |
|
747 |
return text
|
748 |
|
749 |
|
750 |
# cluster opcodes
|
751 |
|
752 |
class OpClusterPostInit(OpCode): |
753 |
"""Post cluster initialization.
|
754 |
|
755 |
This opcode does not touch the cluster at all. Its purpose is to run hooks
|
756 |
after the cluster has been initialized.
|
757 |
|
758 |
"""
|
759 |
OP_RESULT = ht.TBool |
760 |
|
761 |
|
762 |
class OpClusterDestroy(OpCode): |
763 |
"""Destroy the cluster.
|
764 |
|
765 |
This opcode has no other parameters. All the state is irreversibly
|
766 |
lost after the execution of this opcode.
|
767 |
|
768 |
"""
|
769 |
OP_RESULT = ht.TNonEmptyString |
770 |
|
771 |
|
772 |
class OpClusterQuery(OpCode): |
773 |
"""Query cluster information."""
|
774 |
OP_RESULT = ht.TDictOf(ht.TNonEmptyString, ht.TAny) |
775 |
|
776 |
|
777 |
class OpClusterVerify(OpCode): |
778 |
"""Submits all jobs necessary to verify the cluster.
|
779 |
|
780 |
"""
|
781 |
OP_PARAMS = [ |
782 |
_PDebugSimulateErrors, |
783 |
_PErrorCodes, |
784 |
_PSkipChecks, |
785 |
_PIgnoreErrors, |
786 |
_PVerbose, |
787 |
("group_name", None, ht.TMaybeString, "Group to verify"), |
788 |
] |
789 |
OP_RESULT = TJobIdListOnly |
790 |
|
791 |
|
792 |
class OpClusterVerifyConfig(OpCode): |
793 |
"""Verify the cluster config.
|
794 |
|
795 |
"""
|
796 |
OP_PARAMS = [ |
797 |
_PDebugSimulateErrors, |
798 |
_PErrorCodes, |
799 |
_PIgnoreErrors, |
800 |
_PVerbose, |
801 |
] |
802 |
OP_RESULT = ht.TBool |
803 |
|
804 |
|
805 |
class OpClusterVerifyGroup(OpCode): |
806 |
"""Run verify on a node group from the cluster.
|
807 |
|
808 |
@type skip_checks: C{list}
|
809 |
@ivar skip_checks: steps to be skipped from the verify process; this
|
810 |
needs to be a subset of
|
811 |
L{constants.VERIFY_OPTIONAL_CHECKS}; currently
|
812 |
only L{constants.VERIFY_NPLUSONE_MEM} can be passed
|
813 |
|
814 |
"""
|
815 |
OP_DSC_FIELD = "group_name"
|
816 |
OP_PARAMS = [ |
817 |
_PGroupName, |
818 |
_PDebugSimulateErrors, |
819 |
_PErrorCodes, |
820 |
_PSkipChecks, |
821 |
_PIgnoreErrors, |
822 |
_PVerbose, |
823 |
] |
824 |
OP_RESULT = ht.TBool |
825 |
|
826 |
|
827 |
class OpClusterVerifyDisks(OpCode): |
828 |
"""Verify the cluster disks.
|
829 |
|
830 |
"""
|
831 |
OP_RESULT = TJobIdListOnly |
832 |
|
833 |
|
834 |
class OpGroupVerifyDisks(OpCode): |
835 |
"""Verifies the status of all disks in a node group.
|
836 |
|
837 |
Result: a tuple of three elements:
|
838 |
- dict of node names with issues (values: error msg)
|
839 |
- list of instances with degraded disks (that should be activated)
|
840 |
- dict of instances with missing logical volumes (values: (node, vol)
|
841 |
pairs with details about the missing volumes)
|
842 |
|
843 |
In normal operation, all lists should be empty. A non-empty instance
|
844 |
list (3rd element of the result) is still ok (errors were fixed) but
|
845 |
non-empty node list means some node is down, and probably there are
|
846 |
unfixable drbd errors.
|
847 |
|
848 |
Note that only instances that are drbd-based are taken into
|
849 |
consideration. This might need to be revisited in the future.
|
850 |
|
851 |
"""
|
852 |
OP_DSC_FIELD = "group_name"
|
853 |
OP_PARAMS = [ |
854 |
_PGroupName, |
855 |
] |
856 |
OP_RESULT = \ |
857 |
ht.TAnd(ht.TIsLength(3),
|
858 |
ht.TItems([ht.TDictOf(ht.TString, ht.TString), |
859 |
ht.TListOf(ht.TString), |
860 |
ht.TDictOf(ht.TString, |
861 |
ht.TListOf(ht.TListOf(ht.TString)))])) |
862 |
|
863 |
|
864 |
class OpClusterRepairDiskSizes(OpCode): |
865 |
"""Verify the disk sizes of the instances and fixes configuration
|
866 |
mimatches.
|
867 |
|
868 |
Parameters: optional instances list, in case we want to restrict the
|
869 |
checks to only a subset of the instances.
|
870 |
|
871 |
Result: a list of tuples, (instance, disk, new-size) for changed
|
872 |
configurations.
|
873 |
|
874 |
In normal operation, the list should be empty.
|
875 |
|
876 |
@type instances: list
|
877 |
@ivar instances: the list of instances to check, or empty for all instances
|
878 |
|
879 |
"""
|
880 |
OP_PARAMS = [ |
881 |
("instances", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
882 |
] |
883 |
OP_RESULT = ht.TListOf(ht.TAnd(ht.TIsLength(3),
|
884 |
ht.TItems([ht.TNonEmptyString, |
885 |
ht.TNonNegativeInt, |
886 |
ht.TNonNegativeInt]))) |
887 |
|
888 |
|
889 |
class OpClusterConfigQuery(OpCode): |
890 |
"""Query cluster configuration values."""
|
891 |
OP_PARAMS = [ |
892 |
_POutputFields, |
893 |
] |
894 |
OP_RESULT = ht.TListOf(ht.TAny) |
895 |
|
896 |
|
897 |
class OpClusterRename(OpCode): |
898 |
"""Rename the cluster.
|
899 |
|
900 |
@type name: C{str}
|
901 |
@ivar name: The new name of the cluster. The name and/or the master IP
|
902 |
address will be changed to match the new name and its IP
|
903 |
address.
|
904 |
|
905 |
"""
|
906 |
OP_DSC_FIELD = "name"
|
907 |
OP_PARAMS = [ |
908 |
("name", ht.NoDefault, ht.TNonEmptyString, None), |
909 |
] |
910 |
OP_RESULT = ht.TNonEmptyString |
911 |
|
912 |
|
913 |
class OpClusterSetParams(OpCode): |
914 |
"""Change the parameters of the cluster.
|
915 |
|
916 |
@type vg_name: C{str} or C{None}
|
917 |
@ivar vg_name: The new volume group name or None to disable LVM usage.
|
918 |
|
919 |
"""
|
920 |
OP_PARAMS = [ |
921 |
_PForce, |
922 |
_PHvState, |
923 |
_PDiskState, |
924 |
("vg_name", None, ht.TMaybe(ht.TString), "Volume group name"), |
925 |
("enabled_hypervisors", None, |
926 |
ht.TMaybe(ht.TAnd(ht.TListOf(ht.TElemOf(constants.HYPER_TYPES)), |
927 |
ht.TTrue)), |
928 |
"List of enabled hypervisors"),
|
929 |
("hvparams", None, |
930 |
ht.TMaybe(ht.TDictOf(ht.TNonEmptyString, ht.TDict)), |
931 |
"Cluster-wide hypervisor parameter defaults, hypervisor-dependent"),
|
932 |
("beparams", None, ht.TMaybeDict, |
933 |
"Cluster-wide backend parameter defaults"),
|
934 |
("os_hvp", None, ht.TMaybe(ht.TDictOf(ht.TNonEmptyString, ht.TDict)), |
935 |
"Cluster-wide per-OS hypervisor parameter defaults"),
|
936 |
("osparams", None, |
937 |
ht.TMaybe(ht.TDictOf(ht.TNonEmptyString, ht.TDict)), |
938 |
"Cluster-wide OS parameter defaults"),
|
939 |
_PDiskParams, |
940 |
("candidate_pool_size", None, ht.TMaybe(ht.TPositiveInt), |
941 |
"Master candidate pool size"),
|
942 |
("uid_pool", None, ht.NoType, |
943 |
"Set UID pool, must be list of lists describing UID ranges (two items,"
|
944 |
" start and end inclusive)"),
|
945 |
("add_uids", None, ht.NoType, |
946 |
"Extend UID pool, must be list of lists describing UID ranges (two"
|
947 |
" items, start and end inclusive) to be added"),
|
948 |
("remove_uids", None, ht.NoType, |
949 |
"Shrink UID pool, must be list of lists describing UID ranges (two"
|
950 |
" items, start and end inclusive) to be removed"),
|
951 |
("maintain_node_health", None, ht.TMaybeBool, |
952 |
"Whether to automatically maintain node health"),
|
953 |
("prealloc_wipe_disks", None, ht.TMaybeBool, |
954 |
"Whether to wipe disks before allocating them to instances"),
|
955 |
("nicparams", None, ht.TMaybeDict, "Cluster-wide NIC parameter defaults"), |
956 |
("ndparams", None, ht.TMaybeDict, "Cluster-wide node parameter defaults"), |
957 |
("ipolicy", None, ht.TMaybeDict, |
958 |
"Cluster-wide :ref:`instance policy <rapi-ipolicy>` specs"),
|
959 |
("drbd_helper", None, ht.TMaybe(ht.TString), "DRBD helper program"), |
960 |
("default_iallocator", None, ht.TMaybe(ht.TString), |
961 |
"Default iallocator for cluster"),
|
962 |
("master_netdev", None, ht.TMaybe(ht.TString), |
963 |
"Master network device"),
|
964 |
("master_netmask", None, ht.TMaybe(ht.TNonNegativeInt), |
965 |
"Netmask of the master IP"),
|
966 |
("reserved_lvs", None, ht.TMaybeListOf(ht.TNonEmptyString), |
967 |
"List of reserved LVs"),
|
968 |
("hidden_os", None, _TestClusterOsList, |
969 |
"Modify list of hidden operating systems: each modification must have"
|
970 |
" two items, the operation and the OS name; the operation can be"
|
971 |
" ``%s`` or ``%s``" % (constants.DDM_ADD, constants.DDM_REMOVE)),
|
972 |
("blacklisted_os", None, _TestClusterOsList, |
973 |
"Modify list of blacklisted operating systems: each modification must"
|
974 |
" have two items, the operation and the OS name; the operation can be"
|
975 |
" ``%s`` or ``%s``" % (constants.DDM_ADD, constants.DDM_REMOVE)),
|
976 |
("use_external_mip_script", None, ht.TMaybeBool, |
977 |
"Whether to use an external master IP address setup script"),
|
978 |
("enabled_disk_templates", None, |
979 |
ht.TMaybe(ht.TAnd(ht.TListOf(ht.TElemOf(constants.DISK_TEMPLATES)), |
980 |
ht.TTrue)), |
981 |
"List of enabled disk templates"),
|
982 |
("modify_etc_hosts", None, ht.TMaybeBool, |
983 |
"Whether the cluster can modify and keep in sync the /etc/hosts files"),
|
984 |
] |
985 |
OP_RESULT = ht.TNone |
986 |
|
987 |
|
988 |
class OpClusterRedistConf(OpCode): |
989 |
"""Force a full push of the cluster configuration.
|
990 |
|
991 |
"""
|
992 |
OP_RESULT = ht.TNone |
993 |
|
994 |
|
995 |
class OpClusterActivateMasterIp(OpCode): |
996 |
"""Activate the master IP on the master node.
|
997 |
|
998 |
"""
|
999 |
OP_RESULT = ht.TNone |
1000 |
|
1001 |
|
1002 |
class OpClusterDeactivateMasterIp(OpCode): |
1003 |
"""Deactivate the master IP on the master node.
|
1004 |
|
1005 |
"""
|
1006 |
OP_RESULT = ht.TNone |
1007 |
|
1008 |
|
1009 |
class OpQuery(OpCode): |
1010 |
"""Query for resources/items.
|
1011 |
|
1012 |
@ivar what: Resources to query for, must be one of L{constants.QR_VIA_OP}
|
1013 |
@ivar fields: List of fields to retrieve
|
1014 |
@ivar qfilter: Query filter
|
1015 |
|
1016 |
"""
|
1017 |
OP_DSC_FIELD = "what"
|
1018 |
OP_PARAMS = [ |
1019 |
_PQueryWhat, |
1020 |
_PUseLocking, |
1021 |
("fields", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
1022 |
"Requested fields"),
|
1023 |
("qfilter", None, ht.TMaybe(ht.TList), |
1024 |
"Query filter"),
|
1025 |
] |
1026 |
OP_RESULT = \ |
1027 |
_GenerateObjectTypeCheck(objects.QueryResponse, { |
1028 |
"fields": ht.TListOf(_TQueryFieldDef),
|
1029 |
"data": _TQueryResult,
|
1030 |
}) |
1031 |
|
1032 |
|
1033 |
class OpQueryFields(OpCode): |
1034 |
"""Query for available resource/item fields.
|
1035 |
|
1036 |
@ivar what: Resources to query for, must be one of L{constants.QR_VIA_OP}
|
1037 |
@ivar fields: List of fields to retrieve
|
1038 |
|
1039 |
"""
|
1040 |
OP_DSC_FIELD = "what"
|
1041 |
OP_PARAMS = [ |
1042 |
_PQueryWhat, |
1043 |
("fields", None, ht.TMaybeListOf(ht.TNonEmptyString), |
1044 |
"Requested fields; if not given, all are returned"),
|
1045 |
] |
1046 |
OP_RESULT = \ |
1047 |
_GenerateObjectTypeCheck(objects.QueryFieldsResponse, { |
1048 |
"fields": ht.TListOf(_TQueryFieldDef),
|
1049 |
}) |
1050 |
|
1051 |
|
1052 |
class OpOobCommand(OpCode): |
1053 |
"""Interact with OOB."""
|
1054 |
OP_PARAMS = [ |
1055 |
("node_names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1056 |
"List of nodes to run the OOB command against"),
|
1057 |
("command", ht.NoDefault, ht.TElemOf(constants.OOB_COMMANDS),
|
1058 |
"OOB command to be run"),
|
1059 |
("timeout", constants.OOB_TIMEOUT, ht.TInt,
|
1060 |
"Timeout before the OOB helper will be terminated"),
|
1061 |
("ignore_status", False, ht.TBool, |
1062 |
"Ignores the node offline status for power off"),
|
1063 |
("power_delay", constants.OOB_POWER_DELAY, ht.TNonNegativeFloat,
|
1064 |
"Time in seconds to wait between powering on nodes"),
|
1065 |
] |
1066 |
# Fixme: Make it more specific with all the special cases in LUOobCommand
|
1067 |
OP_RESULT = _TQueryResult |
1068 |
|
1069 |
|
1070 |
class OpRestrictedCommand(OpCode): |
1071 |
"""Runs a restricted command on node(s).
|
1072 |
|
1073 |
"""
|
1074 |
OP_PARAMS = [ |
1075 |
_PUseLocking, |
1076 |
("nodes", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
1077 |
"Nodes on which the command should be run (at least one)"),
|
1078 |
("command", ht.NoDefault, ht.TNonEmptyString,
|
1079 |
"Command name (no parameters)"),
|
1080 |
] |
1081 |
|
1082 |
_RESULT_ITEMS = [ |
1083 |
ht.Comment("success")(ht.TBool),
|
1084 |
ht.Comment("output or error message")(ht.TString),
|
1085 |
] |
1086 |
|
1087 |
OP_RESULT = \ |
1088 |
ht.TListOf(ht.TAnd(ht.TIsLength(len(_RESULT_ITEMS)),
|
1089 |
ht.TItems(_RESULT_ITEMS))) |
1090 |
|
1091 |
|
1092 |
# node opcodes
|
1093 |
|
1094 |
class OpNodeRemove(OpCode): |
1095 |
"""Remove a node.
|
1096 |
|
1097 |
@type node_name: C{str}
|
1098 |
@ivar node_name: The name of the node to remove. If the node still has
|
1099 |
instances on it, the operation will fail.
|
1100 |
|
1101 |
"""
|
1102 |
OP_DSC_FIELD = "node_name"
|
1103 |
OP_PARAMS = [ |
1104 |
_PNodeName, |
1105 |
] |
1106 |
OP_RESULT = ht.TNone |
1107 |
|
1108 |
|
1109 |
class OpNodeAdd(OpCode): |
1110 |
"""Add a node to the cluster.
|
1111 |
|
1112 |
@type node_name: C{str}
|
1113 |
@ivar node_name: The name of the node to add. This can be a short name,
|
1114 |
but it will be expanded to the FQDN.
|
1115 |
@type primary_ip: IP address
|
1116 |
@ivar primary_ip: The primary IP of the node. This will be ignored when the
|
1117 |
opcode is submitted, but will be filled during the node
|
1118 |
add (so it will be visible in the job query).
|
1119 |
@type secondary_ip: IP address
|
1120 |
@ivar secondary_ip: The secondary IP of the node. This needs to be passed
|
1121 |
if the cluster has been initialized in 'dual-network'
|
1122 |
mode, otherwise it must not be given.
|
1123 |
@type readd: C{bool}
|
1124 |
@ivar readd: Whether to re-add an existing node to the cluster. If
|
1125 |
this is not passed, then the operation will abort if the node
|
1126 |
name is already in the cluster; use this parameter to 'repair'
|
1127 |
a node that had its configuration broken, or was reinstalled
|
1128 |
without removal from the cluster.
|
1129 |
@type group: C{str}
|
1130 |
@ivar group: The node group to which this node will belong.
|
1131 |
@type vm_capable: C{bool}
|
1132 |
@ivar vm_capable: The vm_capable node attribute
|
1133 |
@type master_capable: C{bool}
|
1134 |
@ivar master_capable: The master_capable node attribute
|
1135 |
|
1136 |
"""
|
1137 |
OP_DSC_FIELD = "node_name"
|
1138 |
OP_PARAMS = [ |
1139 |
_PNodeName, |
1140 |
_PHvState, |
1141 |
_PDiskState, |
1142 |
("primary_ip", None, ht.NoType, "Primary IP address"), |
1143 |
("secondary_ip", None, ht.TMaybeString, "Secondary IP address"), |
1144 |
("readd", False, ht.TBool, "Whether node is re-added to cluster"), |
1145 |
("group", None, ht.TMaybeString, "Initial node group"), |
1146 |
("master_capable", None, ht.TMaybeBool, |
1147 |
"Whether node can become master or master candidate"),
|
1148 |
("vm_capable", None, ht.TMaybeBool, |
1149 |
"Whether node can host instances"),
|
1150 |
("ndparams", None, ht.TMaybeDict, "Node parameters"), |
1151 |
] |
1152 |
OP_RESULT = ht.TNone |
1153 |
|
1154 |
|
1155 |
class OpNodeQuery(OpCode): |
1156 |
"""Compute the list of nodes."""
|
1157 |
OP_PARAMS = [ |
1158 |
_POutputFields, |
1159 |
_PUseLocking, |
1160 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1161 |
"Empty list to query all nodes, node names otherwise"),
|
1162 |
] |
1163 |
OP_RESULT = _TOldQueryResult |
1164 |
|
1165 |
|
1166 |
class OpNodeQueryvols(OpCode): |
1167 |
"""Get list of volumes on node."""
|
1168 |
OP_PARAMS = [ |
1169 |
_POutputFields, |
1170 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1171 |
"Empty list to query all nodes, node names otherwise"),
|
1172 |
] |
1173 |
OP_RESULT = ht.TListOf(ht.TAny) |
1174 |
|
1175 |
|
1176 |
class OpNodeQueryStorage(OpCode): |
1177 |
"""Get information on storage for node(s)."""
|
1178 |
OP_PARAMS = [ |
1179 |
_POutputFields, |
1180 |
_PStorageType, |
1181 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), "List of nodes"), |
1182 |
("name", None, ht.TMaybeString, "Storage name"), |
1183 |
] |
1184 |
OP_RESULT = _TOldQueryResult |
1185 |
|
1186 |
|
1187 |
class OpNodeModifyStorage(OpCode): |
1188 |
"""Modifies the properies of a storage unit"""
|
1189 |
OP_DSC_FIELD = "node_name"
|
1190 |
OP_PARAMS = [ |
1191 |
_PNodeName, |
1192 |
_PStorageType, |
1193 |
_PStorageName, |
1194 |
("changes", ht.NoDefault, ht.TDict, "Requested changes"), |
1195 |
] |
1196 |
OP_RESULT = ht.TNone |
1197 |
|
1198 |
|
1199 |
class OpRepairNodeStorage(OpCode): |
1200 |
"""Repairs the volume group on a node."""
|
1201 |
OP_DSC_FIELD = "node_name"
|
1202 |
OP_PARAMS = [ |
1203 |
_PNodeName, |
1204 |
_PStorageType, |
1205 |
_PStorageName, |
1206 |
_PIgnoreConsistency, |
1207 |
] |
1208 |
OP_RESULT = ht.TNone |
1209 |
|
1210 |
|
1211 |
class OpNodeSetParams(OpCode): |
1212 |
"""Change the parameters of a node."""
|
1213 |
OP_DSC_FIELD = "node_name"
|
1214 |
OP_PARAMS = [ |
1215 |
_PNodeName, |
1216 |
_PForce, |
1217 |
_PHvState, |
1218 |
_PDiskState, |
1219 |
("master_candidate", None, ht.TMaybeBool, |
1220 |
"Whether the node should become a master candidate"),
|
1221 |
("offline", None, ht.TMaybeBool, |
1222 |
"Whether the node should be marked as offline"),
|
1223 |
("drained", None, ht.TMaybeBool, |
1224 |
"Whether the node should be marked as drained"),
|
1225 |
("auto_promote", False, ht.TBool, |
1226 |
"Whether node(s) should be promoted to master candidate if necessary"),
|
1227 |
("master_capable", None, ht.TMaybeBool, |
1228 |
"Denote whether node can become master or master candidate"),
|
1229 |
("vm_capable", None, ht.TMaybeBool, |
1230 |
"Denote whether node can host instances"),
|
1231 |
("secondary_ip", None, ht.TMaybeString, |
1232 |
"Change node's secondary IP address"),
|
1233 |
("ndparams", None, ht.TMaybeDict, "Set node parameters"), |
1234 |
("powered", None, ht.TMaybeBool, |
1235 |
"Whether the node should be marked as powered"),
|
1236 |
] |
1237 |
OP_RESULT = _TSetParamsResult |
1238 |
|
1239 |
|
1240 |
class OpNodePowercycle(OpCode): |
1241 |
"""Tries to powercycle a node."""
|
1242 |
OP_DSC_FIELD = "node_name"
|
1243 |
OP_PARAMS = [ |
1244 |
_PNodeName, |
1245 |
_PForce, |
1246 |
] |
1247 |
OP_RESULT = ht.TMaybeString |
1248 |
|
1249 |
|
1250 |
class OpNodeMigrate(OpCode): |
1251 |
"""Migrate all instances from a node."""
|
1252 |
OP_DSC_FIELD = "node_name"
|
1253 |
OP_PARAMS = [ |
1254 |
_PNodeName, |
1255 |
_PMigrationMode, |
1256 |
_PMigrationLive, |
1257 |
_PMigrationTargetNode, |
1258 |
_PAllowRuntimeChgs, |
1259 |
_PIgnoreIpolicy, |
1260 |
_PIAllocFromDesc("Iallocator for deciding the target node"
|
1261 |
" for shared-storage instances"),
|
1262 |
] |
1263 |
OP_RESULT = TJobIdListOnly |
1264 |
|
1265 |
|
1266 |
class OpNodeEvacuate(OpCode): |
1267 |
"""Evacuate instances off a number of nodes."""
|
1268 |
OP_DSC_FIELD = "node_name"
|
1269 |
OP_PARAMS = [ |
1270 |
_PEarlyRelease, |
1271 |
_PNodeName, |
1272 |
("remote_node", None, ht.TMaybeString, "New secondary node"), |
1273 |
_PIAllocFromDesc("Iallocator for computing solution"),
|
1274 |
("mode", ht.NoDefault, ht.TElemOf(constants.NODE_EVAC_MODES),
|
1275 |
"Node evacuation mode"),
|
1276 |
] |
1277 |
OP_RESULT = TJobIdListOnly |
1278 |
|
1279 |
|
1280 |
# instance opcodes
|
1281 |
|
1282 |
class OpInstanceCreate(OpCode): |
1283 |
"""Create an instance.
|
1284 |
|
1285 |
@ivar instance_name: Instance name
|
1286 |
@ivar mode: Instance creation mode (one of L{constants.INSTANCE_CREATE_MODES})
|
1287 |
@ivar source_handshake: Signed handshake from source (remote import only)
|
1288 |
@ivar source_x509_ca: Source X509 CA in PEM format (remote import only)
|
1289 |
@ivar source_instance_name: Previous name of instance (remote import only)
|
1290 |
@ivar source_shutdown_timeout: Shutdown timeout used for source instance
|
1291 |
(remote import only)
|
1292 |
|
1293 |
"""
|
1294 |
OP_DSC_FIELD = "instance_name"
|
1295 |
OP_PARAMS = [ |
1296 |
_PInstanceName, |
1297 |
_PForceVariant, |
1298 |
_PWaitForSync, |
1299 |
_PNameCheck, |
1300 |
_PIgnoreIpolicy, |
1301 |
_POpportunisticLocking, |
1302 |
("beparams", ht.EmptyDict, ht.TDict, "Backend parameters for instance"), |
1303 |
("disks", ht.NoDefault, ht.TListOf(_TDiskParams),
|
1304 |
"Disk descriptions, for example ``[{\"%s\": 100}, {\"%s\": 5}]``;"
|
1305 |
" each disk definition must contain a ``%s`` value and"
|
1306 |
" can contain an optional ``%s`` value denoting the disk access mode"
|
1307 |
" (%s)" %
|
1308 |
(constants.IDISK_SIZE, constants.IDISK_SIZE, constants.IDISK_SIZE, |
1309 |
constants.IDISK_MODE, |
1310 |
" or ".join("``%s``" % i for i in sorted(constants.DISK_ACCESS_SET)))), |
1311 |
("disk_template", ht.NoDefault, _BuildDiskTemplateCheck(True), |
1312 |
"Disk template"),
|
1313 |
("file_driver", None, ht.TMaybe(ht.TElemOf(constants.FILE_DRIVER)), |
1314 |
"Driver for file-backed disks"),
|
1315 |
("file_storage_dir", None, ht.TMaybeString, |
1316 |
"Directory for storing file-backed disks"),
|
1317 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1318 |
"Hypervisor parameters for instance, hypervisor-dependent"),
|
1319 |
("hypervisor", None, ht.TMaybeString, "Hypervisor"), |
1320 |
_PIAllocFromDesc("Iallocator for deciding which node(s) to use"),
|
1321 |
("identify_defaults", False, ht.TBool, |
1322 |
"Reset instance parameters to default if equal"),
|
1323 |
("ip_check", True, ht.TBool, _PIpCheckDoc), |
1324 |
("conflicts_check", True, ht.TBool, "Check for conflicting IPs"), |
1325 |
("mode", ht.NoDefault, ht.TElemOf(constants.INSTANCE_CREATE_MODES),
|
1326 |
"Instance creation mode"),
|
1327 |
("nics", ht.NoDefault, ht.TListOf(_TestNicDef),
|
1328 |
"List of NIC (network interface) definitions, for example"
|
1329 |
" ``[{}, {}, {\"%s\": \"198.51.100.4\"}]``; each NIC definition can"
|
1330 |
" contain the optional values %s" %
|
1331 |
(constants.INIC_IP, |
1332 |
", ".join("``%s``" % i for i in sorted(constants.INIC_PARAMS)))), |
1333 |
("no_install", None, ht.TMaybeBool, |
1334 |
"Do not install the OS (will disable automatic start)"),
|
1335 |
("osparams", ht.EmptyDict, ht.TDict, "OS parameters for instance"), |
1336 |
("os_type", None, ht.TMaybeString, "Operating system"), |
1337 |
("pnode", None, ht.TMaybeString, "Primary node"), |
1338 |
("snode", None, ht.TMaybeString, "Secondary node"), |
1339 |
("source_handshake", None, ht.TMaybe(ht.TList), |
1340 |
"Signed handshake from source (remote import only)"),
|
1341 |
("source_instance_name", None, ht.TMaybeString, |
1342 |
"Source instance name (remote import only)"),
|
1343 |
("source_shutdown_timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT,
|
1344 |
ht.TNonNegativeInt, |
1345 |
"How long source instance was given to shut down (remote import only)"),
|
1346 |
("source_x509_ca", None, ht.TMaybeString, |
1347 |
"Source X509 CA in PEM format (remote import only)"),
|
1348 |
("src_node", None, ht.TMaybeString, "Source node for import"), |
1349 |
("src_path", None, ht.TMaybeString, "Source directory for import"), |
1350 |
("start", True, ht.TBool, "Whether to start instance after creation"), |
1351 |
("tags", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), "Instance tags"), |
1352 |
] |
1353 |
OP_RESULT = ht.Comment("instance nodes")(ht.TListOf(ht.TNonEmptyString))
|
1354 |
|
1355 |
|
1356 |
class OpInstanceMultiAlloc(OpCode): |
1357 |
"""Allocates multiple instances.
|
1358 |
|
1359 |
"""
|
1360 |
OP_PARAMS = [ |
1361 |
_POpportunisticLocking, |
1362 |
_PIAllocFromDesc("Iallocator used to allocate all the instances"),
|
1363 |
("instances", ht.EmptyList, ht.TListOf(ht.TInstanceOf(OpInstanceCreate)),
|
1364 |
"List of instance create opcodes describing the instances to allocate"),
|
1365 |
] |
1366 |
_JOB_LIST = ht.Comment("List of submitted jobs")(TJobIdList)
|
1367 |
ALLOCATABLE_KEY = "allocatable"
|
1368 |
FAILED_KEY = "allocatable"
|
1369 |
OP_RESULT = ht.TStrictDict(True, True, { |
1370 |
constants.JOB_IDS_KEY: _JOB_LIST, |
1371 |
ALLOCATABLE_KEY: ht.TListOf(ht.TNonEmptyString), |
1372 |
FAILED_KEY: ht.TListOf(ht.TNonEmptyString), |
1373 |
}) |
1374 |
|
1375 |
def __getstate__(self): |
1376 |
"""Generic serializer.
|
1377 |
|
1378 |
"""
|
1379 |
state = OpCode.__getstate__(self)
|
1380 |
if hasattr(self, "instances"): |
1381 |
# pylint: disable=E1101
|
1382 |
state["instances"] = [inst.__getstate__() for inst in self.instances] |
1383 |
return state
|
1384 |
|
1385 |
def __setstate__(self, state): |
1386 |
"""Generic unserializer.
|
1387 |
|
1388 |
This method just restores from the serialized state the attributes
|
1389 |
of the current instance.
|
1390 |
|
1391 |
@param state: the serialized opcode data
|
1392 |
@type state: C{dict}
|
1393 |
|
1394 |
"""
|
1395 |
if not isinstance(state, dict): |
1396 |
raise ValueError("Invalid data to __setstate__: expected dict, got %s" % |
1397 |
type(state))
|
1398 |
|
1399 |
if "instances" in state: |
1400 |
state["instances"] = map(OpCode.LoadOpCode, state["instances"]) |
1401 |
|
1402 |
return OpCode.__setstate__(self, state) |
1403 |
|
1404 |
def Validate(self, set_defaults): |
1405 |
"""Validates this opcode.
|
1406 |
|
1407 |
We do this recursively.
|
1408 |
|
1409 |
"""
|
1410 |
OpCode.Validate(self, set_defaults)
|
1411 |
|
1412 |
for inst in self.instances: # pylint: disable=E1101 |
1413 |
inst.Validate(set_defaults) |
1414 |
|
1415 |
|
1416 |
class OpInstanceReinstall(OpCode): |
1417 |
"""Reinstall an instance's OS."""
|
1418 |
OP_DSC_FIELD = "instance_name"
|
1419 |
OP_PARAMS = [ |
1420 |
_PInstanceName, |
1421 |
_PForceVariant, |
1422 |
("os_type", None, ht.TMaybeString, "Instance operating system"), |
1423 |
("osparams", None, ht.TMaybeDict, "Temporary OS parameters"), |
1424 |
] |
1425 |
OP_RESULT = ht.TNone |
1426 |
|
1427 |
|
1428 |
class OpInstanceRemove(OpCode): |
1429 |
"""Remove an instance."""
|
1430 |
OP_DSC_FIELD = "instance_name"
|
1431 |
OP_PARAMS = [ |
1432 |
_PInstanceName, |
1433 |
_PShutdownTimeout, |
1434 |
("ignore_failures", False, ht.TBool, |
1435 |
"Whether to ignore failures during removal"),
|
1436 |
] |
1437 |
OP_RESULT = ht.TNone |
1438 |
|
1439 |
|
1440 |
class OpInstanceRename(OpCode): |
1441 |
"""Rename an instance."""
|
1442 |
OP_PARAMS = [ |
1443 |
_PInstanceName, |
1444 |
_PNameCheck, |
1445 |
("new_name", ht.NoDefault, ht.TNonEmptyString, "New instance name"), |
1446 |
("ip_check", False, ht.TBool, _PIpCheckDoc), |
1447 |
] |
1448 |
OP_RESULT = ht.Comment("New instance name")(ht.TNonEmptyString)
|
1449 |
|
1450 |
|
1451 |
class OpInstanceStartup(OpCode): |
1452 |
"""Startup an instance."""
|
1453 |
OP_DSC_FIELD = "instance_name"
|
1454 |
OP_PARAMS = [ |
1455 |
_PInstanceName, |
1456 |
_PForce, |
1457 |
_PIgnoreOfflineNodes, |
1458 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1459 |
"Temporary hypervisor parameters, hypervisor-dependent"),
|
1460 |
("beparams", ht.EmptyDict, ht.TDict, "Temporary backend parameters"), |
1461 |
_PNoRemember, |
1462 |
_PStartupPaused, |
1463 |
] |
1464 |
OP_RESULT = ht.TNone |
1465 |
|
1466 |
|
1467 |
class OpInstanceShutdown(OpCode): |
1468 |
"""Shutdown an instance."""
|
1469 |
OP_DSC_FIELD = "instance_name"
|
1470 |
OP_PARAMS = [ |
1471 |
_PInstanceName, |
1472 |
_PForce, |
1473 |
_PIgnoreOfflineNodes, |
1474 |
("timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT, ht.TNonNegativeInt,
|
1475 |
"How long to wait for instance to shut down"),
|
1476 |
_PNoRemember, |
1477 |
] |
1478 |
OP_RESULT = ht.TNone |
1479 |
|
1480 |
|
1481 |
class OpInstanceReboot(OpCode): |
1482 |
"""Reboot an instance."""
|
1483 |
OP_DSC_FIELD = "instance_name"
|
1484 |
OP_PARAMS = [ |
1485 |
_PInstanceName, |
1486 |
_PShutdownTimeout, |
1487 |
("ignore_secondaries", False, ht.TBool, |
1488 |
"Whether to start the instance even if secondary disks are failing"),
|
1489 |
("reboot_type", ht.NoDefault, ht.TElemOf(constants.REBOOT_TYPES),
|
1490 |
"How to reboot instance"),
|
1491 |
] |
1492 |
OP_RESULT = ht.TNone |
1493 |
|
1494 |
|
1495 |
class OpInstanceReplaceDisks(OpCode): |
1496 |
"""Replace the disks of an instance."""
|
1497 |
OP_DSC_FIELD = "instance_name"
|
1498 |
OP_PARAMS = [ |
1499 |
_PInstanceName, |
1500 |
_PEarlyRelease, |
1501 |
_PIgnoreIpolicy, |
1502 |
("mode", ht.NoDefault, ht.TElemOf(constants.REPLACE_MODES),
|
1503 |
"Replacement mode"),
|
1504 |
("disks", ht.EmptyList, ht.TListOf(ht.TNonNegativeInt),
|
1505 |
"Disk indexes"),
|
1506 |
("remote_node", None, ht.TMaybeString, "New secondary node"), |
1507 |
_PIAllocFromDesc("Iallocator for deciding new secondary node"),
|
1508 |
] |
1509 |
OP_RESULT = ht.TNone |
1510 |
|
1511 |
|
1512 |
class OpInstanceFailover(OpCode): |
1513 |
"""Failover an instance."""
|
1514 |
OP_DSC_FIELD = "instance_name"
|
1515 |
OP_PARAMS = [ |
1516 |
_PInstanceName, |
1517 |
_PShutdownTimeout, |
1518 |
_PIgnoreConsistency, |
1519 |
_PMigrationTargetNode, |
1520 |
_PIgnoreIpolicy, |
1521 |
_PIAllocFromDesc("Iallocator for deciding the target node for"
|
1522 |
" shared-storage instances"),
|
1523 |
("cleanup", False, ht.TBool, |
1524 |
"Whether a previously failed failover should be cleaned up"),
|
1525 |
] |
1526 |
OP_RESULT = ht.TNone |
1527 |
|
1528 |
|
1529 |
class OpInstanceMigrate(OpCode): |
1530 |
"""Migrate an instance.
|
1531 |
|
1532 |
This migrates (without shutting down an instance) to its secondary
|
1533 |
node.
|
1534 |
|
1535 |
@ivar instance_name: the name of the instance
|
1536 |
@ivar mode: the migration mode (live, non-live or None for auto)
|
1537 |
|
1538 |
"""
|
1539 |
OP_DSC_FIELD = "instance_name"
|
1540 |
OP_PARAMS = [ |
1541 |
_PInstanceName, |
1542 |
_PMigrationMode, |
1543 |
_PMigrationLive, |
1544 |
_PMigrationTargetNode, |
1545 |
_PAllowRuntimeChgs, |
1546 |
_PIgnoreIpolicy, |
1547 |
("cleanup", False, ht.TBool, |
1548 |
"Whether a previously failed migration should be cleaned up"),
|
1549 |
_PIAllocFromDesc("Iallocator for deciding the target node for"
|
1550 |
" shared-storage instances"),
|
1551 |
("allow_failover", False, ht.TBool, |
1552 |
"Whether we can fallback to failover if migration is not possible"),
|
1553 |
] |
1554 |
OP_RESULT = ht.TNone |
1555 |
|
1556 |
|
1557 |
class OpInstanceMove(OpCode): |
1558 |
"""Move an instance.
|
1559 |
|
1560 |
This move (with shutting down an instance and data copying) to an
|
1561 |
arbitrary node.
|
1562 |
|
1563 |
@ivar instance_name: the name of the instance
|
1564 |
@ivar target_node: the destination node
|
1565 |
|
1566 |
"""
|
1567 |
OP_DSC_FIELD = "instance_name"
|
1568 |
OP_PARAMS = [ |
1569 |
_PInstanceName, |
1570 |
_PShutdownTimeout, |
1571 |
_PIgnoreIpolicy, |
1572 |
("target_node", ht.NoDefault, ht.TNonEmptyString, "Target node"), |
1573 |
_PIgnoreConsistency, |
1574 |
] |
1575 |
OP_RESULT = ht.TNone |
1576 |
|
1577 |
|
1578 |
class OpInstanceConsole(OpCode): |
1579 |
"""Connect to an instance's console."""
|
1580 |
OP_DSC_FIELD = "instance_name"
|
1581 |
OP_PARAMS = [ |
1582 |
_PInstanceName, |
1583 |
] |
1584 |
OP_RESULT = ht.TDict |
1585 |
|
1586 |
|
1587 |
class OpInstanceActivateDisks(OpCode): |
1588 |
"""Activate an instance's disks."""
|
1589 |
OP_DSC_FIELD = "instance_name"
|
1590 |
OP_PARAMS = [ |
1591 |
_PInstanceName, |
1592 |
("ignore_size", False, ht.TBool, "Whether to ignore recorded size"), |
1593 |
_PWaitForSyncFalse, |
1594 |
] |
1595 |
OP_RESULT = ht.TListOf(ht.TAnd(ht.TIsLength(3),
|
1596 |
ht.TItems([ht.TNonEmptyString, |
1597 |
ht.TNonEmptyString, |
1598 |
ht.TNonEmptyString]))) |
1599 |
|
1600 |
|
1601 |
class OpInstanceDeactivateDisks(OpCode): |
1602 |
"""Deactivate an instance's disks."""
|
1603 |
OP_DSC_FIELD = "instance_name"
|
1604 |
OP_PARAMS = [ |
1605 |
_PInstanceName, |
1606 |
_PForce, |
1607 |
] |
1608 |
OP_RESULT = ht.TNone |
1609 |
|
1610 |
|
1611 |
class OpInstanceRecreateDisks(OpCode): |
1612 |
"""Recreate an instance's disks."""
|
1613 |
_TDiskChanges = \ |
1614 |
ht.TAnd(ht.TIsLength(2),
|
1615 |
ht.TItems([ht.Comment("Disk index")(ht.TNonNegativeInt),
|
1616 |
ht.Comment("Parameters")(_TDiskParams)]))
|
1617 |
|
1618 |
OP_DSC_FIELD = "instance_name"
|
1619 |
OP_PARAMS = [ |
1620 |
_PInstanceName, |
1621 |
("disks", ht.EmptyList,
|
1622 |
ht.TOr(ht.TListOf(ht.TNonNegativeInt), ht.TListOf(_TDiskChanges)), |
1623 |
"List of disk indexes (deprecated) or a list of tuples containing a disk"
|
1624 |
" index and a possibly empty dictionary with disk parameter changes"),
|
1625 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1626 |
"New instance nodes, if relocation is desired"),
|
1627 |
_PIAllocFromDesc("Iallocator for deciding new nodes"),
|
1628 |
] |
1629 |
OP_RESULT = ht.TNone |
1630 |
|
1631 |
|
1632 |
class OpInstanceQuery(OpCode): |
1633 |
"""Compute the list of instances."""
|
1634 |
OP_PARAMS = [ |
1635 |
_POutputFields, |
1636 |
_PUseLocking, |
1637 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1638 |
"Empty list to query all instances, instance names otherwise"),
|
1639 |
] |
1640 |
OP_RESULT = _TOldQueryResult |
1641 |
|
1642 |
|
1643 |
class OpInstanceQueryData(OpCode): |
1644 |
"""Compute the run-time status of instances."""
|
1645 |
OP_PARAMS = [ |
1646 |
_PUseLocking, |
1647 |
("instances", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1648 |
"Instance names"),
|
1649 |
("static", False, ht.TBool, |
1650 |
"Whether to only return configuration data without querying"
|
1651 |
" nodes"),
|
1652 |
] |
1653 |
OP_RESULT = ht.TDictOf(ht.TNonEmptyString, ht.TDict) |
1654 |
|
1655 |
|
1656 |
def _TestInstSetParamsModList(fn): |
1657 |
"""Generates a check for modification lists.
|
1658 |
|
1659 |
"""
|
1660 |
# Old format
|
1661 |
# TODO: Remove in version 2.8 including support in LUInstanceSetParams
|
1662 |
old_mod_item_fn = \ |
1663 |
ht.TAnd(ht.TIsLength(2), ht.TItems([
|
1664 |
ht.TOr(ht.TElemOf(constants.DDMS_VALUES), ht.TNonNegativeInt), |
1665 |
fn, |
1666 |
])) |
1667 |
|
1668 |
# New format, supporting adding/removing disks/NICs at arbitrary indices
|
1669 |
mod_item_fn = \ |
1670 |
ht.TAnd(ht.TIsLength(3), ht.TItems([
|
1671 |
ht.TElemOf(constants.DDMS_VALUES_WITH_MODIFY), |
1672 |
ht.Comment("Device index, can be negative, e.g. -1 for last disk")
|
1673 |
(ht.TOr(ht.TInt, ht.TString)), |
1674 |
fn, |
1675 |
])) |
1676 |
|
1677 |
return ht.TOr(ht.Comment("Recommended")(ht.TListOf(mod_item_fn)), |
1678 |
ht.Comment("Deprecated")(ht.TListOf(old_mod_item_fn)))
|
1679 |
|
1680 |
|
1681 |
class OpInstanceSetParams(OpCode): |
1682 |
"""Change the parameters of an instance.
|
1683 |
|
1684 |
"""
|
1685 |
TestNicModifications = _TestInstSetParamsModList(_TestNicDef) |
1686 |
TestDiskModifications = _TestInstSetParamsModList(_TDiskParams) |
1687 |
|
1688 |
OP_DSC_FIELD = "instance_name"
|
1689 |
OP_PARAMS = [ |
1690 |
_PInstanceName, |
1691 |
_PForce, |
1692 |
_PForceVariant, |
1693 |
_PIgnoreIpolicy, |
1694 |
("nics", ht.EmptyList, TestNicModifications,
|
1695 |
"List of NIC changes: each item is of the form"
|
1696 |
" ``(op, identifier, settings)``, ``op`` is one of ``%s``, ``%s`` or"
|
1697 |
" ``%s``, ``identifier`` can be a zero-based index number (or -1 to refer"
|
1698 |
" to the last position), the NIC's UUID of the NIC's name; a"
|
1699 |
" deprecated version of this parameter used the form ``(op, settings)``,"
|
1700 |
" where ``op`` can be ``%s`` to add a new NIC with the specified"
|
1701 |
" settings, ``%s`` to remove the last NIC or a number to modify the"
|
1702 |
" settings of the NIC with that index" %
|
1703 |
(constants.DDM_ADD, constants.DDM_MODIFY, constants.DDM_REMOVE, |
1704 |
constants.DDM_ADD, constants.DDM_REMOVE)), |
1705 |
("disks", ht.EmptyList, TestDiskModifications,
|
1706 |
"List of disk changes; see ``nics``"),
|
1707 |
("beparams", ht.EmptyDict, ht.TDict, "Per-instance backend parameters"), |
1708 |
("runtime_mem", None, ht.TMaybePositiveInt, "New runtime memory"), |
1709 |
("hvparams", ht.EmptyDict, ht.TDict,
|
1710 |
"Per-instance hypervisor parameters, hypervisor-dependent"),
|
1711 |
("disk_template", None, ht.TMaybe(_BuildDiskTemplateCheck(False)), |
1712 |
"Disk template for instance"),
|
1713 |
("pnode", None, ht.TMaybeString, "New primary node"), |
1714 |
("remote_node", None, ht.TMaybeString, |
1715 |
"Secondary node (used when changing disk template)"),
|
1716 |
("os_name", None, ht.TMaybeString, |
1717 |
"Change the instance's OS without reinstalling the instance"),
|
1718 |
("osparams", None, ht.TMaybeDict, "Per-instance OS parameters"), |
1719 |
("wait_for_sync", True, ht.TBool, |
1720 |
"Whether to wait for the disk to synchronize, when changing template"),
|
1721 |
("offline", None, ht.TMaybeBool, "Whether to mark instance as offline"), |
1722 |
("conflicts_check", True, ht.TBool, "Check for conflicting IPs"), |
1723 |
("hotplug", False, ht.TBool, "Whether to hotplug device"), |
1724 |
("hotplug_if_possible", False, ht.TBool, "If possible then hotplug device"), |
1725 |
] |
1726 |
OP_RESULT = _TSetParamsResult |
1727 |
|
1728 |
|
1729 |
class OpInstanceGrowDisk(OpCode): |
1730 |
"""Grow a disk of an instance."""
|
1731 |
OP_DSC_FIELD = "instance_name"
|
1732 |
OP_PARAMS = [ |
1733 |
_PInstanceName, |
1734 |
_PWaitForSync, |
1735 |
("disk", ht.NoDefault, ht.TInt, "Disk index"), |
1736 |
("amount", ht.NoDefault, ht.TNonNegativeInt,
|
1737 |
"Amount of disk space to add (megabytes)"),
|
1738 |
("absolute", False, ht.TBool, |
1739 |
"Whether the amount parameter is an absolute target or a relative one"),
|
1740 |
] |
1741 |
OP_RESULT = ht.TNone |
1742 |
|
1743 |
|
1744 |
class OpInstanceChangeGroup(OpCode): |
1745 |
"""Moves an instance to another node group."""
|
1746 |
OP_DSC_FIELD = "instance_name"
|
1747 |
OP_PARAMS = [ |
1748 |
_PInstanceName, |
1749 |
_PEarlyRelease, |
1750 |
_PIAllocFromDesc("Iallocator for computing solution"),
|
1751 |
_PTargetGroups, |
1752 |
] |
1753 |
OP_RESULT = TJobIdListOnly |
1754 |
|
1755 |
|
1756 |
# Node group opcodes
|
1757 |
|
1758 |
class OpGroupAdd(OpCode): |
1759 |
"""Add a node group to the cluster."""
|
1760 |
OP_DSC_FIELD = "group_name"
|
1761 |
OP_PARAMS = [ |
1762 |
_PGroupName, |
1763 |
_PNodeGroupAllocPolicy, |
1764 |
_PGroupNodeParams, |
1765 |
_PDiskParams, |
1766 |
_PHvState, |
1767 |
_PDiskState, |
1768 |
("ipolicy", None, ht.TMaybeDict, |
1769 |
"Group-wide :ref:`instance policy <rapi-ipolicy>` specs"),
|
1770 |
] |
1771 |
OP_RESULT = ht.TNone |
1772 |
|
1773 |
|
1774 |
class OpGroupAssignNodes(OpCode): |
1775 |
"""Assign nodes to a node group."""
|
1776 |
OP_DSC_FIELD = "group_name"
|
1777 |
OP_PARAMS = [ |
1778 |
_PGroupName, |
1779 |
_PForce, |
1780 |
("nodes", ht.NoDefault, ht.TListOf(ht.TNonEmptyString),
|
1781 |
"List of nodes to assign"),
|
1782 |
] |
1783 |
OP_RESULT = ht.TNone |
1784 |
|
1785 |
|
1786 |
class OpGroupQuery(OpCode): |
1787 |
"""Compute the list of node groups."""
|
1788 |
OP_PARAMS = [ |
1789 |
_POutputFields, |
1790 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1791 |
"Empty list to query all groups, group names otherwise"),
|
1792 |
] |
1793 |
OP_RESULT = _TOldQueryResult |
1794 |
|
1795 |
|
1796 |
class OpGroupSetParams(OpCode): |
1797 |
"""Change the parameters of a node group."""
|
1798 |
OP_DSC_FIELD = "group_name"
|
1799 |
OP_PARAMS = [ |
1800 |
_PGroupName, |
1801 |
_PNodeGroupAllocPolicy, |
1802 |
_PGroupNodeParams, |
1803 |
_PDiskParams, |
1804 |
_PHvState, |
1805 |
_PDiskState, |
1806 |
("ipolicy", None, ht.TMaybeDict, "Group-wide instance policy specs"), |
1807 |
] |
1808 |
OP_RESULT = _TSetParamsResult |
1809 |
|
1810 |
|
1811 |
class OpGroupRemove(OpCode): |
1812 |
"""Remove a node group from the cluster."""
|
1813 |
OP_DSC_FIELD = "group_name"
|
1814 |
OP_PARAMS = [ |
1815 |
_PGroupName, |
1816 |
] |
1817 |
OP_RESULT = ht.TNone |
1818 |
|
1819 |
|
1820 |
class OpGroupRename(OpCode): |
1821 |
"""Rename a node group in the cluster."""
|
1822 |
OP_PARAMS = [ |
1823 |
_PGroupName, |
1824 |
("new_name", ht.NoDefault, ht.TNonEmptyString, "New group name"), |
1825 |
] |
1826 |
OP_RESULT = ht.Comment("New group name")(ht.TNonEmptyString)
|
1827 |
|
1828 |
|
1829 |
class OpGroupEvacuate(OpCode): |
1830 |
"""Evacuate a node group in the cluster."""
|
1831 |
OP_DSC_FIELD = "group_name"
|
1832 |
OP_PARAMS = [ |
1833 |
_PGroupName, |
1834 |
_PEarlyRelease, |
1835 |
_PIAllocFromDesc("Iallocator for computing solution"),
|
1836 |
_PTargetGroups, |
1837 |
] |
1838 |
OP_RESULT = TJobIdListOnly |
1839 |
|
1840 |
|
1841 |
# OS opcodes
|
1842 |
class OpOsDiagnose(OpCode): |
1843 |
"""Compute the list of guest operating systems."""
|
1844 |
OP_PARAMS = [ |
1845 |
_POutputFields, |
1846 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1847 |
"Which operating systems to diagnose"),
|
1848 |
] |
1849 |
OP_RESULT = _TOldQueryResult |
1850 |
|
1851 |
|
1852 |
# ExtStorage opcodes
|
1853 |
class OpExtStorageDiagnose(OpCode): |
1854 |
"""Compute the list of external storage providers."""
|
1855 |
OP_PARAMS = [ |
1856 |
_POutputFields, |
1857 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1858 |
"Which ExtStorage Provider to diagnose"),
|
1859 |
] |
1860 |
OP_RESULT = _TOldQueryResult |
1861 |
|
1862 |
|
1863 |
# Exports opcodes
|
1864 |
class OpBackupQuery(OpCode): |
1865 |
"""Compute the list of exported images."""
|
1866 |
OP_PARAMS = [ |
1867 |
_PUseLocking, |
1868 |
("nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
1869 |
"Empty list to query all nodes, node names otherwise"),
|
1870 |
] |
1871 |
OP_RESULT = ht.TDictOf(ht.TNonEmptyString, |
1872 |
ht.TOr(ht.Comment("False on error")(ht.TBool),
|
1873 |
ht.TListOf(ht.TNonEmptyString))) |
1874 |
|
1875 |
|
1876 |
class OpBackupPrepare(OpCode): |
1877 |
"""Prepares an instance export.
|
1878 |
|
1879 |
@ivar instance_name: Instance name
|
1880 |
@ivar mode: Export mode (one of L{constants.EXPORT_MODES})
|
1881 |
|
1882 |
"""
|
1883 |
OP_DSC_FIELD = "instance_name"
|
1884 |
OP_PARAMS = [ |
1885 |
_PInstanceName, |
1886 |
("mode", ht.NoDefault, ht.TElemOf(constants.EXPORT_MODES),
|
1887 |
"Export mode"),
|
1888 |
] |
1889 |
OP_RESULT = ht.TMaybeDict |
1890 |
|
1891 |
|
1892 |
class OpBackupExport(OpCode): |
1893 |
"""Export an instance.
|
1894 |
|
1895 |
For local exports, the export destination is the node name. For
|
1896 |
remote exports, the export destination is a list of tuples, each
|
1897 |
consisting of hostname/IP address, port, magic, HMAC and HMAC
|
1898 |
salt. The HMAC is calculated using the cluster domain secret over
|
1899 |
the value "${index}:${hostname}:${port}". The destination X509 CA
|
1900 |
must be a signed certificate.
|
1901 |
|
1902 |
@ivar mode: Export mode (one of L{constants.EXPORT_MODES})
|
1903 |
@ivar target_node: Export destination
|
1904 |
@ivar x509_key_name: X509 key to use (remote export only)
|
1905 |
@ivar destination_x509_ca: Destination X509 CA in PEM format (remote export
|
1906 |
only)
|
1907 |
|
1908 |
"""
|
1909 |
OP_DSC_FIELD = "instance_name"
|
1910 |
OP_PARAMS = [ |
1911 |
_PInstanceName, |
1912 |
_PShutdownTimeout, |
1913 |
# TODO: Rename target_node as it changes meaning for different export modes
|
1914 |
# (e.g. "destination")
|
1915 |
("target_node", ht.NoDefault, ht.TOr(ht.TNonEmptyString, ht.TList),
|
1916 |
"Destination information, depends on export mode"),
|
1917 |
("shutdown", True, ht.TBool, "Whether to shutdown instance before export"), |
1918 |
("remove_instance", False, ht.TBool, |
1919 |
"Whether to remove instance after export"),
|
1920 |
("ignore_remove_failures", False, ht.TBool, |
1921 |
"Whether to ignore failures while removing instances"),
|
1922 |
("mode", constants.EXPORT_MODE_LOCAL, ht.TElemOf(constants.EXPORT_MODES),
|
1923 |
"Export mode"),
|
1924 |
("x509_key_name", None, ht.TMaybe(ht.TList), |
1925 |
"Name of X509 key (remote export only)"),
|
1926 |
("destination_x509_ca", None, ht.TMaybeString, |
1927 |
"Destination X509 CA (remote export only)"),
|
1928 |
] |
1929 |
OP_RESULT = \ |
1930 |
ht.TAnd(ht.TIsLength(2), ht.TItems([
|
1931 |
ht.Comment("Finalizing status")(ht.TBool),
|
1932 |
ht.Comment("Status for every exported disk")(ht.TListOf(ht.TBool)),
|
1933 |
])) |
1934 |
|
1935 |
|
1936 |
class OpBackupRemove(OpCode): |
1937 |
"""Remove an instance's export."""
|
1938 |
OP_DSC_FIELD = "instance_name"
|
1939 |
OP_PARAMS = [ |
1940 |
_PInstanceName, |
1941 |
] |
1942 |
OP_RESULT = ht.TNone |
1943 |
|
1944 |
|
1945 |
# Tags opcodes
|
1946 |
class OpTagsGet(OpCode): |
1947 |
"""Returns the tags of the given object."""
|
1948 |
OP_DSC_FIELD = "name"
|
1949 |
OP_PARAMS = [ |
1950 |
_PTagKind, |
1951 |
# Not using _PUseLocking as the default is different for historical reasons
|
1952 |
("use_locking", True, ht.TBool, "Whether to use synchronization"), |
1953 |
# Name is only meaningful for nodes and instances
|
1954 |
("name", ht.NoDefault, ht.TMaybeString,
|
1955 |
"Name of object to retrieve tags from"),
|
1956 |
] |
1957 |
OP_RESULT = ht.TListOf(ht.TNonEmptyString) |
1958 |
|
1959 |
|
1960 |
class OpTagsSearch(OpCode): |
1961 |
"""Searches the tags in the cluster for a given pattern."""
|
1962 |
OP_DSC_FIELD = "pattern"
|
1963 |
OP_PARAMS = [ |
1964 |
("pattern", ht.NoDefault, ht.TNonEmptyString,
|
1965 |
"Search pattern (regular expression)"),
|
1966 |
] |
1967 |
OP_RESULT = ht.TListOf(ht.TAnd(ht.TIsLength(2), ht.TItems([
|
1968 |
ht.TNonEmptyString, |
1969 |
ht.TNonEmptyString, |
1970 |
]))) |
1971 |
|
1972 |
|
1973 |
class OpTagsSet(OpCode): |
1974 |
"""Add a list of tags on a given object."""
|
1975 |
OP_PARAMS = [ |
1976 |
_PTagKind, |
1977 |
_PTags, |
1978 |
# Name is only meaningful for groups, nodes and instances
|
1979 |
("name", ht.NoDefault, ht.TMaybeString,
|
1980 |
"Name of object where tag(s) should be added"),
|
1981 |
] |
1982 |
OP_RESULT = ht.TNone |
1983 |
|
1984 |
|
1985 |
class OpTagsDel(OpCode): |
1986 |
"""Remove a list of tags from a given object."""
|
1987 |
OP_PARAMS = [ |
1988 |
_PTagKind, |
1989 |
_PTags, |
1990 |
# Name is only meaningful for groups, nodes and instances
|
1991 |
("name", ht.NoDefault, ht.TMaybeString,
|
1992 |
"Name of object where tag(s) should be deleted"),
|
1993 |
] |
1994 |
OP_RESULT = ht.TNone |
1995 |
|
1996 |
|
1997 |
# Test opcodes
|
1998 |
class OpTestDelay(OpCode): |
1999 |
"""Sleeps for a configured amount of time.
|
2000 |
|
2001 |
This is used just for debugging and testing.
|
2002 |
|
2003 |
Parameters:
|
2004 |
- duration: the time to sleep, in seconds
|
2005 |
- on_master: if true, sleep on the master
|
2006 |
- on_nodes: list of nodes in which to sleep
|
2007 |
|
2008 |
If the on_master parameter is true, it will execute a sleep on the
|
2009 |
master (before any node sleep).
|
2010 |
|
2011 |
If the on_nodes list is not empty, it will sleep on those nodes
|
2012 |
(after the sleep on the master, if that is enabled).
|
2013 |
|
2014 |
As an additional feature, the case of duration < 0 will be reported
|
2015 |
as an execution error, so this opcode can be used as a failure
|
2016 |
generator. The case of duration == 0 will not be treated specially.
|
2017 |
|
2018 |
"""
|
2019 |
OP_DSC_FIELD = "duration"
|
2020 |
OP_PARAMS = [ |
2021 |
("duration", ht.NoDefault, ht.TNumber, None), |
2022 |
("on_master", True, ht.TBool, None), |
2023 |
("on_nodes", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
2024 |
("repeat", 0, ht.TNonNegativeInt, None), |
2025 |
] |
2026 |
|
2027 |
def OP_DSC_FORMATTER(self, value): # pylint: disable=C0103,R0201 |
2028 |
"""Custom formatter for duration.
|
2029 |
|
2030 |
"""
|
2031 |
try:
|
2032 |
v = float(value)
|
2033 |
except TypeError: |
2034 |
v = value |
2035 |
return str(v) |
2036 |
|
2037 |
|
2038 |
class OpTestAllocator(OpCode): |
2039 |
"""Allocator framework testing.
|
2040 |
|
2041 |
This opcode has two modes:
|
2042 |
- gather and return allocator input for a given mode (allocate new
|
2043 |
or replace secondary) and a given instance definition (direction
|
2044 |
'in')
|
2045 |
- run a selected allocator for a given operation (as above) and
|
2046 |
return the allocator output (direction 'out')
|
2047 |
|
2048 |
"""
|
2049 |
OP_DSC_FIELD = "iallocator"
|
2050 |
OP_PARAMS = [ |
2051 |
("direction", ht.NoDefault,
|
2052 |
ht.TElemOf(constants.VALID_IALLOCATOR_DIRECTIONS), None),
|
2053 |
("mode", ht.NoDefault, ht.TElemOf(constants.VALID_IALLOCATOR_MODES), None), |
2054 |
("name", ht.NoDefault, ht.TNonEmptyString, None), |
2055 |
("nics", ht.NoDefault,
|
2056 |
ht.TMaybeListOf(ht.TDictOf(ht.TElemOf([constants.INIC_MAC, |
2057 |
constants.INIC_IP, |
2058 |
"bridge"]),
|
2059 |
ht.TMaybeString)), |
2060 |
None),
|
2061 |
("disks", ht.NoDefault, ht.TMaybe(ht.TList), None), |
2062 |
("hypervisor", None, ht.TMaybeString, None), |
2063 |
_PIAllocFromDesc(None),
|
2064 |
("tags", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), None), |
2065 |
("memory", None, ht.TMaybe(ht.TNonNegativeInt), None), |
2066 |
("vcpus", None, ht.TMaybe(ht.TNonNegativeInt), None), |
2067 |
("os", None, ht.TMaybeString, None), |
2068 |
("disk_template", None, ht.TMaybeString, None), |
2069 |
("instances", None, ht.TMaybeListOf(ht.TNonEmptyString), None), |
2070 |
("evac_mode", None, |
2071 |
ht.TMaybe(ht.TElemOf(constants.IALLOCATOR_NEVAC_MODES)), None),
|
2072 |
("target_groups", None, ht.TMaybeListOf(ht.TNonEmptyString), None), |
2073 |
("spindle_use", 1, ht.TNonNegativeInt, None), |
2074 |
("count", 1, ht.TNonNegativeInt, None), |
2075 |
] |
2076 |
|
2077 |
|
2078 |
class OpTestJqueue(OpCode): |
2079 |
"""Utility opcode to test some aspects of the job queue.
|
2080 |
|
2081 |
"""
|
2082 |
OP_PARAMS = [ |
2083 |
("notify_waitlock", False, ht.TBool, None), |
2084 |
("notify_exec", False, ht.TBool, None), |
2085 |
("log_messages", ht.EmptyList, ht.TListOf(ht.TString), None), |
2086 |
("fail", False, ht.TBool, None), |
2087 |
] |
2088 |
|
2089 |
|
2090 |
class OpTestDummy(OpCode): |
2091 |
"""Utility opcode used by unittests.
|
2092 |
|
2093 |
"""
|
2094 |
OP_PARAMS = [ |
2095 |
("result", ht.NoDefault, ht.NoType, None), |
2096 |
("messages", ht.NoDefault, ht.NoType, None), |
2097 |
("fail", ht.NoDefault, ht.NoType, None), |
2098 |
("submit_jobs", None, ht.NoType, None), |
2099 |
] |
2100 |
WITH_LU = False
|
2101 |
|
2102 |
|
2103 |
# Network opcodes
|
2104 |
# Add a new network in the cluster
|
2105 |
class OpNetworkAdd(OpCode): |
2106 |
"""Add an IP network to the cluster."""
|
2107 |
OP_DSC_FIELD = "network_name"
|
2108 |
OP_PARAMS = [ |
2109 |
_PNetworkName, |
2110 |
("network", ht.NoDefault, _TIpNetwork4, "IPv4 subnet"), |
2111 |
("gateway", None, ht.TMaybe(_TIpAddress4), "IPv4 gateway"), |
2112 |
("network6", None, ht.TMaybe(_TIpNetwork6), "IPv6 subnet"), |
2113 |
("gateway6", None, ht.TMaybe(_TIpAddress6), "IPv6 gateway"), |
2114 |
("mac_prefix", None, ht.TMaybeString, |
2115 |
"MAC address prefix that overrides cluster one"),
|
2116 |
("add_reserved_ips", None, _TMaybeAddr4List, |
2117 |
"Which IP addresses to reserve"),
|
2118 |
("conflicts_check", True, ht.TBool, |
2119 |
"Whether to check for conflicting IP addresses"),
|
2120 |
("tags", ht.EmptyList, ht.TListOf(ht.TNonEmptyString), "Network tags"), |
2121 |
] |
2122 |
OP_RESULT = ht.TNone |
2123 |
|
2124 |
|
2125 |
class OpNetworkRemove(OpCode): |
2126 |
"""Remove an existing network from the cluster.
|
2127 |
Must not be connected to any nodegroup.
|
2128 |
|
2129 |
"""
|
2130 |
OP_DSC_FIELD = "network_name"
|
2131 |
OP_PARAMS = [ |
2132 |
_PNetworkName, |
2133 |
_PForce, |
2134 |
] |
2135 |
OP_RESULT = ht.TNone |
2136 |
|
2137 |
|
2138 |
class OpNetworkSetParams(OpCode): |
2139 |
"""Modify Network's parameters except for IPv4 subnet"""
|
2140 |
OP_DSC_FIELD = "network_name"
|
2141 |
OP_PARAMS = [ |
2142 |
_PNetworkName, |
2143 |
("gateway", None, ht.TMaybeValueNone(_TIpAddress4), "IPv4 gateway"), |
2144 |
("network6", None, ht.TMaybeValueNone(_TIpNetwork6), "IPv6 subnet"), |
2145 |
("gateway6", None, ht.TMaybeValueNone(_TIpAddress6), "IPv6 gateway"), |
2146 |
("mac_prefix", None, ht.TMaybeValueNone(ht.TString), |
2147 |
"MAC address prefix that overrides cluster one"),
|
2148 |
("add_reserved_ips", None, _TMaybeAddr4List, |
2149 |
"Which external IP addresses to reserve"),
|
2150 |
("remove_reserved_ips", None, _TMaybeAddr4List, |
2151 |
"Which external IP addresses to release"),
|
2152 |
] |
2153 |
OP_RESULT = ht.TNone |
2154 |
|
2155 |
|
2156 |
class OpNetworkConnect(OpCode): |
2157 |
"""Connect a Network to a specific Nodegroup with the defined netparams
|
2158 |
(mode, link). Nics in this Network will inherit those params.
|
2159 |
Produce errors if a NIC (that its not already assigned to a network)
|
2160 |
has an IP that is contained in the Network this will produce error unless
|
2161 |
--no-conflicts-check is passed.
|
2162 |
|
2163 |
"""
|
2164 |
OP_DSC_FIELD = "network_name"
|
2165 |
OP_PARAMS = [ |
2166 |
_PGroupName, |
2167 |
_PNetworkName, |
2168 |
("network_mode", ht.NoDefault, ht.TElemOf(constants.NIC_VALID_MODES),
|
2169 |
"Connectivity mode"),
|
2170 |
("network_link", ht.NoDefault, ht.TString, "Connectivity link"), |
2171 |
("conflicts_check", True, ht.TBool, "Whether to check for conflicting IPs"), |
2172 |
] |
2173 |
OP_RESULT = ht.TNone |
2174 |
|
2175 |
|
2176 |
class OpNetworkDisconnect(OpCode): |
2177 |
"""Disconnect a Network from a Nodegroup. Produce errors if NICs are
|
2178 |
present in the Network unless --no-conficts-check option is passed.
|
2179 |
|
2180 |
"""
|
2181 |
OP_DSC_FIELD = "network_name"
|
2182 |
OP_PARAMS = [ |
2183 |
_PGroupName, |
2184 |
_PNetworkName, |
2185 |
] |
2186 |
OP_RESULT = ht.TNone |
2187 |
|
2188 |
|
2189 |
class OpNetworkQuery(OpCode): |
2190 |
"""Compute the list of networks."""
|
2191 |
OP_PARAMS = [ |
2192 |
_POutputFields, |
2193 |
_PUseLocking, |
2194 |
("names", ht.EmptyList, ht.TListOf(ht.TNonEmptyString),
|
2195 |
"Empty list to query all groups, group names otherwise"),
|
2196 |
] |
2197 |
OP_RESULT = _TOldQueryResult |
2198 |
|
2199 |
|
2200 |
def _GetOpList(): |
2201 |
"""Returns list of all defined opcodes.
|
2202 |
|
2203 |
Does not eliminate duplicates by C{OP_ID}.
|
2204 |
|
2205 |
"""
|
2206 |
return [v for v in globals().values() |
2207 |
if (isinstance(v, type) and issubclass(v, OpCode) and |
2208 |
hasattr(v, "OP_ID") and v is not OpCode)] |
2209 |
|
2210 |
|
2211 |
OP_MAPPING = dict((v.OP_ID, v) for v in _GetOpList()) |