ganeti.ovf.OVFExporter

class documentation

class OVFExporter(Converter):

Converter from Ganeti config file to OVF

Method	`Parse`	Parses the data and creates a structure containing all required info.
Method	`Save`	Saves the gathered configuration in an apropriate format.
Instance Variable	`config_parser`	parser for the config.ini file
Instance Variable	`input_dir`	directory in which the config.ini file resides
Instance Variable	`input_path`	complete path to the config.ini file
Instance Variable	`output_dir`	directory to which the results of conversion shall be written
Instance Variable	`output_path`	complete path to .ovf file
Instance Variable	`ovf_writer`	Undocumented
Instance Variable	`packed_dir`	if we want OVA package, this points to the real (i.e. not temp) output directory
Instance Variable	`reference_files`	files referenced in the ovf file
Instance Variable	`references_files`	Undocumented
Instance Variable	`results_disk`	list of dictionaries of disk options from config.ini
Instance Variable	`results_ganeti`	dictionary of Ganeti-specific options from config.ini
Instance Variable	`results_memory`	RAM memory in MB
Instance Variable	`results_name`	name of the instance
Instance Variable	`results_network`	list of dictionaries of network options form config.ini
Instance Variable	`results_vcpus`	number of VCPUs
Instance Variable	`temp_dir`	Undocumented
Static Method	`_PrepareTarFile`	Creates tarfile from the files in OVF package.
Method	`_GetDiskOptions`	Convert the disk and gather disk info for .ovf file.
Method	`_ParseDisks`	Parses disk data from config file.
Method	`_ParseGaneti`	Parses Ganeti data from config file.
Method	`_ParseMemory`	Parses vcpus number from config file.
Method	`_ParseName`	Parses name from command line options or config file.
Method	`_ParseNetworks`	Parses network data from config file.
Method	`_ParseVCPUs`	Parses vcpus number from config file.
Method	`_PrepareManifest`	Creates manifest for all the files in OVF package.
Method	`_ReadInputData`	Reads the data on which the conversion will take place.

Inherited from Converter:

Method	`__init__`	Initialize the converter.
Method	`Cleanup`	Cleans the temporary directory, if one was created.
Instance Variable	`options`	options parsed from the command line
Instance Variable	`temp_file_manager`	container for temporary files created during conversion
Static Method	`_GetDiskQemuInfo`	Figures out some information of the disk using qemu-img.
Method	`_CompressDisk`	Performs (de)compression on the disk and returns the new path
Method	`_ConvertDisk`	Performes conversion to specified format.

def Parse(self): ¶

overrides ganeti.ovf.Converter.Parse

Parses the data and creates a structure containing all required info.

def Save(self): ¶

overrides ganeti.ovf.Converter.Save

Saves the gathered configuration in an apropriate format.

Raises
`errors.OpPrereqError`	if unable to create output directory

config_parser: ConfigParserWithDefaults = ¶

parser for the config.ini file

input_dir: string = ¶

directory in which the config.ini file resides

input_path: string = ¶

complete path to the config.ini file

output_dir: string = ¶

overrides ganeti.ovf.Converter.output_dir

directory to which the results of conversion shall be written

output_path: string = ¶

complete path to .ovf file

ovf_writer = ¶

Undocumented

packed_dir: string = ¶

if we want OVA package, this points to the real (i.e. not temp) output directory

reference_files: list = ¶

files referenced in the ovf file

references_files: list = ¶

Undocumented

results_disk: list = ¶

list of dictionaries of disk options from config.ini

results_ganeti: dict = ¶

dictionary of Ganeti-specific options from config.ini

results_memory: string = ¶

RAM memory in MB

results_name: string = ¶

name of the instance

results_network: list = ¶

list of dictionaries of network options form config.ini

results_vcpus: string = ¶

number of VCPUs

temp_dir = ¶

overrides ganeti.ovf.Converter.temp_dir

Undocumented

@staticmethod
def _PrepareTarFile(tar_path, files_list): ¶

Creates tarfile from the files in OVF package.

Parameters
tar_path:string	path to the resulting file
files_list:list	list of files in the OVF package

def _GetDiskOptions(self, disk_file, compression): ¶

Convert the disk and gather disk info for .ovf file.

Parameters
disk_file:string	name of the disk (without the full path)
compression:bool	whether the disk should be compressed or not
Raises
`errors.OpPrereqError`	when disk image does not exist

def _ParseDisks(self): ¶

Parses disk data from config file.

Returns
list	list of dictionaries of disk options

def _ParseGaneti(self): ¶

Parses Ganeti data from config file.

Returns
dictionary	dictionary of Ganeti-specific options

def _ParseMemory(self): ¶

Parses vcpus number from config file.

Returns
int	amount of memory in MB
Raises
`errors.OpPrereqError`	if amount of memory equals 0

def _ParseName(self): ¶

Parses name from command line options or config file.

Returns
string	name of Ganeti instance
Raises
`errors.OpPrereqError`	if name of the instance is not provided

def _ParseNetworks(self): ¶

Parses network data from config file.

Returns
list	list of dictionaries of network options
Raises
`errors.OpPrereqError`	then network mode is not recognized

def _ParseVCPUs(self): ¶

Parses vcpus number from config file.

Returns
int	number of virtual CPUs
Raises
`errors.OpPrereqError`	if number of VCPUs equals 0

def _PrepareManifest(self, path): ¶

Creates manifest for all the files in OVF package.

Parameters
path:string	path to manifesto file
Raises
`errors.OpPrereqError`	if error occurs when writing file

def _ReadInputData(self, input_path): ¶

overrides ganeti.ovf.Converter._ReadInputData

Reads the data on which the conversion will take place.

Parameters
input_path:string	absolute path to the config.ini input file
Raises
`errors.OpPrereqError`	error when reading the config file