Class: OvirtSDK4::DiskService

Inherits:
MeasurableService show all
Defined in:
lib/ovirtsdk4/services.rb,
lib/ovirtsdk4/services.rb

Instance Method Summary collapse

Methods inherited from Service

#inspect, #to_s

Instance Method Details

#copy(opts = {}) ⇒ Object

This operation copies a disk to the specified storage domain.

For example, a disk can be copied using the following request:

POST /ovirt-engine/api/disks/123/copy

With a request body like this:

<action>
  <storage_domain id="456"/>
  <disk>
    <name>mydisk</name>
  </disk>
</action>

If the disk profile or the quota currently used by the disk are not defined for the new storage domain, they can be explicitly specified. If they are not specified, the first available disk profile and the default quota are used.

For example, to specify disk profile 987 and quota 753, send a request body like this:

<action>
  <storage_domain id="456"/>
  <disk_profile id="987"/>
  <quota id="753"/>
</action>

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :async (Boolean)

    Indicates if the copy should be performed asynchronously.

  • :disk (Disk)
  • :disk_profile (DiskProfile)

    Disk profile for the disk in the new storage domain.

    Disk profiles are defined for storage domains, so the old disk profile will not exist in the new storage domain. If this parameter is not used, the first disk profile from the new storage domain to which the user has permissions will be assigned to the disk.

  • :filter (Boolean)

    Indicates if the results should be filtered according to the permissions of the user.

  • :quota (Quota)

    Quota for the disk in the new storage domain.

    This optional parameter can be used to specify new quota for the disk, because the current quota may not be defined for the new storage domain. If this parameter is not used and the old quota is not defined for the new storage domain, the default (unlimited) quota will be assigned to the disk.

  • :storage_domain (StorageDomain)

    The storage domain where the new disk is created. This can be specified using the id or name attributes. For example, to copy a disk to the storage domain called mydata, send a request like this:

    POST /ovirt-engine/api/storagedomains/123/disks/789

    With a request body like this:

    <action>
      <storage_domain>
        <name>mydata</name>
      </storage_domain>
    </action>
  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35438

def copy(opts = {})
  internal_action(:copy, nil, COPY, opts)
end

#export(opts = {}) ⇒ Object

Exports a disk to an export storage domain.

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :async (Boolean)

    Indicates if the export should be performed asynchronously.

  • :filter (Boolean)

    Indicates if the results should be filtered according to the permissions of the user.

  • :storage_domain (StorageDomain)

    The export storage domain where the disk will be exported to.

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35470

def export(opts = {})
  internal_action(:export, nil, EXPORT, opts)
end

#get(opts = {}) ⇒ Disk

Retrieves the description of the disk.

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :all_content (Boolean)

    Indicates if all of the attributes of the disk should be included in the response.

    By default the following disk attributes are excluded:

    • vms

    For example, to retrieve the complete representation of disk '123':

    GET /ovirt-engine/api/disks/123?all_content=true
  • :follow (String)

    Indicates which inner links should be followed. The objects referenced by these links will be fetched as part of the current request. See here for details.

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.

Returns:


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# File 'lib/ovirtsdk4/services.rb', line 35512

def get(opts = {})
  internal_get(GET, opts)
end

#move(opts = {}) ⇒ Object

Moves a disk to another storage domain.

For example, to move the disk with identifier 123 to a storage domain with identifier 456 send the following request:

POST /ovirt-engine/api/disks/123/move

With the following request body:

<action>
  <storage_domain id="456"/>
</action>

If the disk profile or the quota used currently by the disk aren’t defined for the new storage domain, then they can be explicitly specified. If they aren’t then the first available disk profile and the default quota are used.

For example, to explicitly use disk profile 987 and quota 753 send a request body like this:

<action>
  <storage_domain id="456"/>
  <disk_profile id="987"/>
  <quota id="753"/>
</action>

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :async (Boolean)

    Indicates if the move should be performed asynchronously.

  • :disk_profile (DiskProfile)

    Disk profile for the disk in the new storage domain.

    Disk profiles are defined for storage domains, so the old disk profile will not exist in the new storage domain. If this parameter is not used, the first disk profile from the new storage domain to which the user has permissions will be assigned to the disk.

  • :filter (Boolean)

    Indicates if the results should be filtered according to the permissions of the user.

  • :quota (Quota)

    Quota for the disk in the new storage domain.

    This optional parameter can be used to specify new quota for the disk, because the current quota may not be defined for the new storage domain. If this parameter is not used and the old quota is not defined for the new storage domain, the default (unlimited) quota will be assigned to the disk.

  • :storage_domain (StorageDomain)

    The storage domain where the disk will be moved to.

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35595

def move(opts = {})
  internal_action(:move, nil, MOVE, opts)
end

#permissions_serviceAssignedPermissionsService

Reference to the service that manages the permissions assigned to the disk.

Returns:


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# File 'lib/ovirtsdk4/services.rb', line 35793

def permissions_service
  @permissions_service ||= AssignedPermissionsService.new(self, 'permissions')
end

#reduce(opts = {}) ⇒ Object

Reduces the size of the disk image.

Invokes reduce on the logical volume (i.e. this is only applicable for block storage domains). This is applicable for floating disks and disks attached to non-running virtual machines. There is no need to specify the size as the optimal size is calculated automatically.

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :async (Boolean)

    Indicates if the remove should be performed asynchronously.

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35625

def reduce(opts = {})
  internal_action(:reduce, nil, REDUCE, opts)
end

#refresh_lun(opts = {}) ⇒ Object

Refreshes a direct LUN disk with up-to-date information from the storage.

Refreshing a direct LUN disk is useful when:

  • The LUN was added using the API without the host parameter, and therefore does not contain any information from the storage (see DisksService::add).

  • New information about the LUN is available on the storage and you want to update the LUN with it.

To refresh direct LUN disk 123 using host 456, send the following request:

POST /ovirt-engine/api/disks/123/refreshlun

With the following request body:

<action>
  <host id='456'/>
</action>

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :host (Host)

    The host that will be used to refresh the direct LUN disk.

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35673

def refresh_lun(opts = {})
  internal_action(:refreshlun, nil, REFRESH_LUN, opts)
end

#remove(opts = {}) ⇒ Object

Removes a disk.

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :async (Boolean)

    Indicates if the remove should be performed asynchronously.

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35698

def remove(opts = {})
  internal_remove(REMOVE, opts)
end

#service(path) ⇒ Service

Locates the service corresponding to the given path.

Parameters:

  • path (String)

    The path of the service.

Returns:

  • (Service)

    A reference to the service.

Raises:


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# File 'lib/ovirtsdk4/services.rb', line 35813

def service(path)
  if path.nil? || path == ''
    return self
  end
  if path == 'permissions'
    return permissions_service
  end
  if path.start_with?('permissions/')
    return permissions_service.service(path[12..-1])
  end
  if path == 'statistics'
    return statistics_service
  end
  if path.start_with?('statistics/')
    return statistics_service.service(path[11..-1])
  end
  raise Error.new("The path \"#{path}\" doesn't correspond to any service")
end

#sparsify(opts = {}) ⇒ Object

Sparsify the disk.

Sparsification frees space in the disk image that is not used by its filesystem. As a result, the image will occupy less space on the storage.

Currently sparsification works only on disks without snapshots. Disks having derived disks are also not allowed.

Parameters:

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.


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# File 'lib/ovirtsdk4/services.rb', line 35727

def sparsify(opts = {})
  internal_action(:sparsify, nil, SPARSIFY, opts)
end

#statistics_serviceStatisticsService

Locates the statistics service.

Returns:


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# File 'lib/ovirtsdk4/services.rb', line 35802

def statistics_service
  @statistics_service ||= StatisticsService.new(self, 'statistics')
end

#update(disk, opts = {}) ⇒ Disk

Updates the parameters of the specified disk.

This operation allows updating the following floating disk properties:

  • For Image disks: provisioned_size, alias, description, wipe_after_delete, shareable, backup and disk_profile.

  • For LUN disks: alias, description and shareable.

  • For Cinder and Managed Block disks: provisioned_size, alias and description.

  • For VM attached disks, the qcow_version can also be updated.

For example, a disk’s update can be done by using the following request:

PUT /ovirt-engine/api/disks/123

With a request body like this:

<disk>
  <qcow_version>qcow2_v3</qcow_version>
  <alias>new-alias</alias>
  <description>new-desc</description>
</disk>

Since the backend operation is asynchronous, the disk element that is returned to the user might not be synced with the changed properties.

Parameters:

  • disk (Disk)

    The update to apply to the disk.

  • opts (Hash) (defaults to: {})

    Additional options.

Options Hash (opts):

  • :headers (Hash) — default: {}

    Additional HTTP headers.

  • :query (Hash) — default: {}

    Additional URL query parameters.

  • :timeout (Integer) — default: nil

    The timeout for this request, in seconds. If no value is explicitly given then the timeout set globally for the connection will be used.

  • :wait (Boolean) — default: true

    If true wait for the response.

Returns:


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# File 'lib/ovirtsdk4/services.rb', line 35784

def update(disk, opts = {})
  internal_update(disk, Disk, UPDATE, opts)
end