Package ganeti :: Module objects

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Module objects

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Transportable objects for Ganeti.

This module provides small, mostly data-only objects which are safe to pass to and from external parties.

Classes

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ConfigObject
A generic config object.

TaggableObject
An generic class supporting tags.

MasterNetworkParameters
Network configuration parameters for the master

ConfigData
Top-level config object.

NIC
Config object representing a network card.

Filter
Config object representing a filter rule.

Maintenance
Config object representing the state of the maintenance daemon

Disk
Config object representing a block device.

InstancePolicy
Config object representing instance policy limits dictionary.

Instance
Config object representing an instance.

OS
Config object representing an operating system.

ExtStorage
Config object representing an External Storage Provider.

NodeHvState
Hypvervisor state on a node.

NodeDiskState
Disk state on a node.

Node
Config object representing a node.

NodeGroup
Config object representing a node group.

Cluster
Config object representing the cluster.

BlockDevStatus
Config object representing the status of a block device.

ImportExportStatus
Config object representing the status of an import or export.

ImportExportOptions
Options for import/export daemon

ConfdRequest
Object holding a confd request.

ConfdReply
Object holding a confd reply.

QueryFieldDefinition
Object holding a query field definition.

_QueryResponseBase

QueryResponse
Object holding the response to a query.

QueryFieldsRequest
Object holding a request for querying available fields.

QueryFieldsResponse
Object holding the response to a query for fields.

MigrationStatus
Object holding the status of a migration.

InstanceConsole
Object describing how to access the console of an instance.

Network
Object representing a network definition for ganeti.

SerializableConfigParser
Simple wrapper over ConfigParse that allows serialization.

LvmPvInfo
Information about an LVM physical volume (PV).

Functions

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dict

FillDict(defaults_dict, custom_dict, skip_keys=None)
Basic function to apply settings on top a default dict.

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FillIPolicy(default_ipolicy, custom_ipolicy)
Fills an instance policy with defaults.

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FillDiskParams(default_dparams, custom_dparams, skip_keys=None)
Fills the disk parameter defaults.

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UpgradeGroupedParams(target, defaults)
Update all groups for the target parameter.

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UpgradeBeParams(target)
Update the be parameters dict to the new format.

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dict

UpgradeDiskParams(diskparams)
Upgrade the disk parameters.

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dict

UpgradeNDParams(ndparams)
Upgrade ndparams structure.

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MakeEmptyIPolicy()
Create empty IPolicy dictionary.

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string or NoneType

GetOSImage(osparams)
Gets the OS image value from the OS parameters.

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NoneType

PutOSImage(osparams, os_image)
Update OS image value in the OS parameters

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Variables

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_TIMESTAMPS = ["ctime", "mtime"]

_UUID = ["uuid"]

Imports: ConfigParser, re, copy, logging, time, StringIO, errors, constants, netutils, outils, utils, serializer, AF_INET

Function Details

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FillDict(defaults_dict, custom_dict, skip_keys=None)

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Basic function to apply settings on top a default dict.

Parameters:

defaults_dict (dict) - dictionary holding the default values
custom_dict (dict) - dictionary holding customized value
skip_keys (list) - which keys not to fill

Returns: dict

dict with the 'full' values

FillDiskParams(default_dparams, custom_dparams, skip_keys=None)

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Fills the disk parameter defaults.

See Also: FillDict for parameters and return value

UpgradeGroupedParams(target, defaults)

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Update all groups for the target parameter.

Parameters:

target (dict of dicts) - {group: {parameter: value}}
defaults (dict) - default parameter values

UpgradeBeParams(target)

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Update the be parameters dict to the new format.

Parameters:

target (dict) - "be" parameters dict

UpgradeDiskParams(diskparams)

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Upgrade the disk parameters.

Parameters:

diskparams (dict) - disk parameters to upgrade

Returns: dict

the upgraded disk parameters dict

UpgradeNDParams(ndparams)

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Upgrade ndparams structure.

Parameters:

ndparams (dict) - disk parameters to upgrade

Returns: dict

the upgraded node parameters dict

GetOSImage(osparams)

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Gets the OS image value from the OS parameters.

Parameters:

osparams (dict or NoneType) - OS parameters or None

Returns: string or NoneType

value of OS image contained in OS parameters, or None if the OS parameters are None or the OS parameters do not contain an OS image

PutOSImage(osparams, os_image)

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Update OS image value in the OS parameters

Parameters:

osparams (dict) - OS parameters
os_image (string) - OS image

Returns: NoneType

None