class ClusterConnector(object):
"""
These objects will be used by the web application to interact with the infrastructure
@attention: DO NOT rely on the command IDs internal representation: it may change without prior notice.
"""
def __init__(self, userID):
"""
Initializes the connector's state
Args:
userID: el identificador del usuario que accede al sistema. Se trata de un entero.
"""
self.__userID = userID
self.__commandsHandler = CommandsHandler(SpanishCodesTranslator())
def connectToDatabases(self, endpointDBName, commandsDBName, databaseUser,
databasePassword):
"""
Establishes the database connections
Args:
endpointDBName: the cluster endpoint database's name
commandsDBName: the commands database's name
databaseUser: the web application database user
databasePassword: the web application database user password
Returns:
Nothing
"""
self.__endpointDBConnector = MinimalClusterEndpointDBConnector(
databaseUser, databasePassword, endpointDBName)
self.__commandsDBConnector = CommandsDatabaseConnector(
databaseUser, databasePassword, commandsDBName, 1)
def dispose(self):
"""
Closes the databse connections
Args:
None
Returns:
Nothing
"""
pass
def getActiveVMsData(self, showAllVMs=False, showEditionVMs=False):
"""
Returns the active virtual machine's data
Argumentos:
ownerID: the virtual machines' owner. If it's None, all the active virtual machines' VNC data
will be returned
show_edited: if it's True, the edition virtual machines data will also be returned.
Returns:
a list of dictionaries. Each one contains an active virtual machine's VNC data
"""
if not showAllVMs:
userID = self.__userID
else:
userID = None
return self.__endpointDBConnector.getActiveVMsVNCData(
userID, showEditionVMs)
def getVMDistributionData(self):
"""
Returns all the image copies distribution.
Args:
None
Returns:
a list of dictionaries. Each one contains an image location's data.
"""
return self.__endpointDBConnector.getImageCopiesDistributionData()
def getVMServersData(self):
"""
Returns all the virtual machine servers configuration
Args:
None
Returns:
a list of dictionaries. Each one contains a virtual machine server's configuration.
"""
return self.__endpointDBConnector.getVMServersConfiguration()
def registerVMServer(self, vmServerIP, vmServerPort, vmServerName,
isEditionServer):
"""
Registers a virtual machine server
Args:
vmServerIP: the new virtual machine server's IP address
vmServerPort: the new virtual machine server's listenning port
vmServerName: the new virtual machine server's name
isEditionServer: indicates if the virtual machine server will be used to create and edit
images or not
Returns:
a command ID
"""
(commandType, commandArgs
) = self.__commandsHandler.createVMServerRegistrationCommand(
vmServerIP, vmServerPort, vmServerName, isEditionServer)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def unregisterVMServer(self, vmServerNameOrIP, halt):
"""
Unregisters a virtual machine server
Args:
unregister: if it's True, an virtual machine server unregistration command will be created. If it's False,
a virtual machine server shutdown command will be created.
vmServerNameOrIPAddress: the virtual machine server's name or IPv4 address
halt: indicates if the virtual machines must be immediately shut down or not
Returns:
a command ID
"""
(
commandType, commandArgs
) = self.__commandsHandler.createVMServerUnregistrationOrShutdownCommand(
True, vmServerNameOrIP, halt)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def shutdownVMServer(self, vmServerNameOrIP, haltVMs):
"""
Shuts down a virtual machine server
Args:
vmServerNameOrIPAddress: the virtual machine server's name or IPv4 address
haltVMs: indicates if the virtual machines must be immediately shut down or not
Returns:
a command ID
"""
(
commandType, commandArgs
) = self.__commandsHandler.createVMServerUnregistrationOrShutdownCommand(
False, vmServerNameOrIP, haltVMs)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def bootUpVMServer(self, vmServerNameOrIP):
"""
Boots up a virtual machine server
Args:
vmServerNameOrIP: the virtual machine server's name or IP address
Returns:
a command ID
"""
(commandType, commandArgs
) = self.__commandsHandler.createVMServerBootCommand(vmServerNameOrIP)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def bootUpVM(self, imageID):
"""
Boots up a virtual machine
Args:
imageID: an image ID
Returns:
a command ID
"""
(commandType,
commandArgs) = self.__commandsHandler.createVMBootCommand(
imageID, self.__userID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def shutDownInfrastructure(self, haltVMServers):
"""
Shuts down all the infrastructure machines.
Args:
haltServers: indicates if the virtual machine servers must be shut down immediately or not.
Returns:
a command ID
"""
(commandType,
commandArgs) = self.__commandsHandler.createHaltCommand(haltVMServers)
self.__commandsDBConnector.addCommand(self.__userID, commandType,
commandArgs)
def destroyDomain(self, domainID):
"""
Destroys a virtual machine
Args:
domainID: the domain to be destructed ID
Devuelve:
a command ID
"""
(commandType, commandArgs
) = self.__commandsHandler.createDomainDestructionCommand(domainID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def rebootDomain(self, domainID):
"""
Reboots a virtual machine
Args:
domainID: the domain to be rebooted ID
Devuelve:
a command ID
"""
(commandType, commandArgs
) = self.__commandsHandler.createDomainRebootCommand(domainID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def deployImage(self, serverNameOrIPAddress, imageID):
"""
Deploys an image in a virtual machine server
Args:
serverNameOrIPAddress: the host's name or IP address
imageID: the affected image's ID
Returns:
a command ID
"""
(commandType,
commandArgs) = self.__commandsHandler.createImageDeploymentCommand(
True, serverNameOrIPAddress, imageID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def deleteImage(self, serverNameOrIPAddress, imageID):
"""
Deletes an image from a virtual machine server
Args:
serverNameOrIPAddress: the host's name or IP address
imageID: the affected image's ID
Returns:
a command ID
"""
(commandType,
commandArgs) = self.__commandsHandler.createImageDeploymentCommand(
False, serverNameOrIPAddress, imageID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def createImage(self, baseImageID, imageName, imageDescription):
"""
Creates a new image
Args:
baseImageID: the base image's ID
imageName: the new image's name
imageDescription: the new image's description
Returns:
a command ID
"""
(commandType,
commandArgs) = self.__commandsHandler.createImageAdditionCommand(
self.__userID, baseImageID, imageName, imageDescription)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def editImage(self, imageID):
"""
Edits an existing image
Args:
imageID: the affected image's ID
Returns:
a command ID
"""
if (isinstance(imageID, str)):
imageID = self.__endpointDBConnector.getImageID(imageID)
(commandType,
commandArgs) = self.__commandsHandler.createImageEditionCommand(
imageID, self.__userID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def deleteImageFromInfrastructure(self, imageID):
"""
Deletes an image from the infrastructure
Args:
imageID: the affected image's ID
Returns:
a command ID
"""
(commandType, commandArgs
) = self.__commandsHandler.createDeleteImageFromInfrastructureCommand(
imageID)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def deployEditedImage(self, temporaryID):
"""
Deploys an edited image
Args:
temporaryID: a temporary ID
Returns:
a command ID
"""
imageID = self.__endpointDBConnector.getImageData(
temporaryID)["ImageID"]
(commandType,
commandArgs) = self.__commandsHandler.createAutoDeploymentCommand(
imageID, -1)
l = temporaryID.split("|")
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs,
float(l[1]))
def deployNewImage(self, temporaryID, max_instances):
""""
Deploys a new image
Args:
temporaryID: a temporary ID
max_instances: the maximum instance number
Returns:
a command ID
"""
imageID = self.__endpointDBConnector.getImageData(
temporaryID)["ImageID"]
(commandType,
commandArgs) = self.__commandsHandler.createAutoDeploymentCommand(
imageID, max_instances)
l = temporaryID.split("|")
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs,
float(l[1]))
def autoDeployImage(self, imageID, instances):
"""
Performs an automatic image deployment operation
Args:
imageID: the affected image's ID
max_instances: the maximum new instance number
Returns:
a command ID
"""
(commandType,
commandArgs) = self.__commandsHandler.createAutoDeploymentCommand(
imageID, instances)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def changeVMServerConfiguration(self, serverNameOrIPAddress, newName,
newIPAddress, newPort,
newImageEditionBehavior):
"""
Modifies a virtual machine server's configuration
Args:
serverNameOrIPAddress: the virtual machine server's name or IP address
newName: the virtual machine server's new name
newIPAddress: the virtual machine server's IP new address
newPort: the virtual machine server's new port
newImageEditionBehavior: indicates if the virtual machine server will be used to create and edit
images or not
Returns:
a command ID
"""
(commandType, commandArgs
) = self.__commandsHandler.createVMServerConfigurationChangeCommand(
serverNameOrIPAddress, newName, newIPAddress, newPort,
newImageEditionBehavior)
return self.__commandsDBConnector.addCommand(self.__userID,
commandType, commandArgs)
def getCommandOutput(self, commandID):
"""
Returns a command's output
Args:
commandID: the command's ID
Returns:
- an empty tuple if the command is still running, or
- a dictionary containing its output if it's not
"""
if (self.__commandsDBConnector.isRunning(commandID)):
return ()
else:
result = self.__commandsDBConnector.getCommandOutput(commandID)
if (result != None):
(outputType, outputContent) = result
result = self.__commandsHandler.deserializeCommandOutput(
outputType, outputContent)
return result
def waitForCommandOutput(self, commandID):
"""
Returns a command's output. This is a blocking operation.
Args:
commandID: the command's ID
Returns:
- None if the command has no output, or
- a dictionary containing the command's output if it's not.
"""
while (self.__commandsDBConnector.isRunning(commandID)):
sleep(0.5)
result = self.__commandsDBConnector.getCommandOutput(commandID)
if result == None:
return None
else:
return self.__commandsHandler.deserializeCommandOutput(
result[0], result[1])
def getBootableImagesData(self, imageIDs):
"""
Returns the bootable image data
Args:
imageID: a list of image identifiers. If it's not empty, it will be used
to filter the query results.
Returns:
A list of dictionaries. Each one contains a bootable image's data.
"""
return self.__endpointDBConnector.getBootableImagesData(imageIDs)
def getBaseImagesData(self):
"""
Returns the base images data
Args:
None
Returns:
A list of dictionaries. Each one contains a base image's data.
"""
return self.__endpointDBConnector.getBaseImagesData()
def getEditedImageIDs(self, userID):
"""
Returns the edited images temporary IDs
Args:
userID: a user ID. If it's none, all the edited images' IDs will be returned
Returns:
a list containing the edited images' temporary IDs.
"""
return self.__endpointDBConnector.getEditedImageIDs(userID)
def getVanillaImageFamilyID(self, imageID):
"""
Returns the virtual machine family ID associated with an image.
Args:
imageID: an image ID
Returns:
the virtual machine family ID associated with the given image.
"""
return self.__endpointDBConnector.getVMFamilyID(imageID)
def getVanillaImageFamilyData(self, vanillaImageFamilyID):
"""
Returns a virtual machine family data
Args:
vmFamilyID: a virtual machine family ID
Returns:
A dictionary containing the virtual machine family's data
"""
return self.__endpointDBConnector.getVMFamilyData(vanillaImageFamilyID)
def getMaxVanillaImageFamilyData(self):
"""
Returns the most powerful virtual machine family data
Args:
None
Returns:
A dictionary containing the most powerful virtual machine family data
"""
return self.__endpointDBConnector.getMaxVMFamilyData()
def getImageRepositoryStatus(self):
"""
Returns the image repository current status
Args:
None
Returns:
A dictionary containing the image repository current status
"""
return self.__endpointDBConnector.getImageRepositoryStatus()
def getVirtualMachineServerStatus(self, serverName):
"""
Returns a virtual machine server's status
Args:
A virtual machine server's name
Returns:
a dictionary containing the virtual machine server's status
"""
return self.__endpointDBConnector.getVirtualMachineServerStatus(
serverName)
def getOSTypes(self):
"""
Returns the registered OS types
Args:
None
Returns:
a list of dictionaries. Each one contains one of the registered OS types data.
"""
return self.__endpointDBConnector.getOSTypes()
def getOSTypeVariants(self, familyID):
"""
Returns the registered OS variants
Args:
None
Returns:
a list of dictionaries. Each one contains one of the registered OS variantas data.
"""
return self.__endpointDBConnector.getOSTypeVariants(familyID)
def getImageData(self, imageID):
"""
Returns an image's data
Args:
imageID: a permanent or a temporary image ID
Returns:
a dictionary containing the image's data
"""
return self.__endpointDBConnector.getImageData(imageID)
def getPendingNotifications(self):
"""
Returns the user's pending notifications
Args:
None
Returns:
A list of strings containing the user's pending notifications.
"""
return self.__commandsDBConnector.getPendingNotifications(
self.__userID)
def countPendingNotifications(self):
"""
Counts the user's pending notifications
Args:
None
Returns:
the user's pending notification number
"""
return self.__commandsDBConnector.countPendingNotifications(
self.__userID)
def test_createVMServerBootCommand(self):
result = CommandsHandler.createVMServerBootCommand("Server1")
expectedResult = (COMMAND_TYPE.BOOTUP_VM_SERVER, "Server1")
self.assertEquals(result, expectedResult, "createVMServerBootCommand does not work")
def test_createVMServerBootCommand(self):
result = CommandsHandler.createVMServerBootCommand("Server1")
expectedResult = (COMMAND_TYPE.BOOTUP_VM_SERVER, "Server1")
self.assertEquals(result, expectedResult,
"createVMServerBootCommand does not work")
class ClusterConnector(object):
"""
These objects will be used by the web application to interact with the infrastructure
@attention: DO NOT rely on the command IDs internal representation: it may change without prior notice.
"""
def __init__(self, userID):
"""
Initializes the connector's state
Args:
userID: el identificador del usuario que accede al sistema. Se trata de un entero.
"""
self.__userID = userID
self.__commandsHandler = CommandsHandler(SpanishCodesTranslator())
def connectToDatabases(self, endpointDBName, commandsDBName, databaseUser, databasePassword):
"""
Establishes the database connections
Args:
endpointDBName: the cluster endpoint database's name
commandsDBName: the commands database's name
databaseUser: the web application database user
databasePassword: the web application database user password
Returns:
Nothing
"""
self.__endpointDBConnector = MinimalClusterEndpointDBConnector(databaseUser, databasePassword, endpointDBName)
self.__commandsDBConnector = CommandsDatabaseConnector(databaseUser, databasePassword, commandsDBName, 1)
def dispose(self):
"""
Closes the databse connections
Args:
None
Returns:
Nothing
"""
pass
def getActiveVMsData(self, showAllVMs=False, showEditionVMs=False):
"""
Returns the active virtual machine's data
Argumentos:
ownerID: the virtual machines' owner. If it's None, all the active virtual machines' VNC data
will be returned
show_edited: if it's True, the edition virtual machines data will also be returned.
Returns:
a list of dictionaries. Each one contains an active virtual machine's VNC data
"""
if not showAllVMs :
userID = self.__userID
else :
userID = None
return self.__endpointDBConnector.getActiveVMsVNCData(userID, showEditionVMs)
def getVMDistributionData(self):
"""
Returns all the image copies distribution.
Args:
None
Returns:
a list of dictionaries. Each one contains an image location's data.
"""
return self.__endpointDBConnector.getImageCopiesDistributionData()
def getVMServersData(self):
"""
Returns all the virtual machine servers configuration
Args:
None
Returns:
a list of dictionaries. Each one contains a virtual machine server's configuration.
"""
return self.__endpointDBConnector.getVMServersConfiguration()
def registerVMServer(self, vmServerIP, vmServerPort, vmServerName, isEditionServer):
"""
Registers a virtual machine server
Args:
vmServerIP: the new virtual machine server's IP address
vmServerPort: the new virtual machine server's listenning port
vmServerName: the new virtual machine server's name
isEditionServer: indicates if the virtual machine server will be used to create and edit
images or not
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createVMServerRegistrationCommand(vmServerIP, vmServerPort, vmServerName, isEditionServer)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def unregisterVMServer(self, vmServerNameOrIP, halt):
"""
Unregisters a virtual machine server
Args:
unregister: if it's True, an virtual machine server unregistration command will be created. If it's False,
a virtual machine server shutdown command will be created.
vmServerNameOrIPAddress: the virtual machine server's name or IPv4 address
halt: indicates if the virtual machines must be immediately shut down or not
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createVMServerUnregistrationOrShutdownCommand(True, vmServerNameOrIP, halt)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def shutdownVMServer(self, vmServerNameOrIP, haltVMs):
"""
Shuts down a virtual machine server
Args:
vmServerNameOrIPAddress: the virtual machine server's name or IPv4 address
haltVMs: indicates if the virtual machines must be immediately shut down or not
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createVMServerUnregistrationOrShutdownCommand(False, vmServerNameOrIP, haltVMs)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def bootUpVMServer(self, vmServerNameOrIP):
"""
Boots up a virtual machine server
Args:
vmServerNameOrIP: the virtual machine server's name or IP address
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createVMServerBootCommand(vmServerNameOrIP)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def bootUpVM(self, imageID):
"""
Boots up a virtual machine
Args:
imageID: an image ID
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createVMBootCommand(imageID, self.__userID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def shutDownInfrastructure(self, haltVMServers):
"""
Shuts down all the infrastructure machines.
Args:
haltServers: indicates if the virtual machine servers must be shut down immediately or not.
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createHaltCommand(haltVMServers)
self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def destroyDomain(self, domainID):
"""
Destroys a virtual machine
Args:
domainID: the domain to be destructed ID
Devuelve:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createDomainDestructionCommand(domainID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def rebootDomain(self, domainID):
"""
Reboots a virtual machine
Args:
domainID: the domain to be rebooted ID
Devuelve:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createDomainRebootCommand(domainID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def deployImage(self, serverNameOrIPAddress, imageID):
"""
Deploys an image in a virtual machine server
Args:
serverNameOrIPAddress: the host's name or IP address
imageID: the affected image's ID
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createImageDeploymentCommand(True, serverNameOrIPAddress, imageID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def deleteImage(self, serverNameOrIPAddress, imageID):
"""
Deletes an image from a virtual machine server
Args:
serverNameOrIPAddress: the host's name or IP address
imageID: the affected image's ID
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createImageDeploymentCommand(False, serverNameOrIPAddress, imageID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def createImage(self, baseImageID, imageName, imageDescription):
"""
Creates a new image
Args:
baseImageID: the base image's ID
imageName: the new image's name
imageDescription: the new image's description
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createImageAdditionCommand(self.__userID, baseImageID, imageName, imageDescription)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def editImage(self, imageID):
"""
Edits an existing image
Args:
imageID: the affected image's ID
Returns:
a command ID
"""
if (isinstance(imageID, str)) :
imageID = self.__endpointDBConnector.getImageID(imageID)
(commandType, commandArgs) = self.__commandsHandler.createImageEditionCommand(imageID, self.__userID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def deleteImageFromInfrastructure(self, imageID):
"""
Deletes an image from the infrastructure
Args:
imageID: the affected image's ID
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createDeleteImageFromInfrastructureCommand(imageID)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def deployEditedImage(self, temporaryID):
"""
Deploys an edited image
Args:
temporaryID: a temporary ID
Returns:
a command ID
"""
imageID = self.__endpointDBConnector.getImageData(temporaryID)["ImageID"]
(commandType, commandArgs) = self.__commandsHandler.createAutoDeploymentCommand(imageID, -1)
l = temporaryID.split("|")
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs, float(l[1]))
def deployNewImage(self, temporaryID, max_instances):
""""
Deploys a new image
Args:
temporaryID: a temporary ID
max_instances: the maximum instance number
Returns:
a command ID
"""
imageID = self.__endpointDBConnector.getImageData(temporaryID)["ImageID"]
(commandType, commandArgs) = self.__commandsHandler.createAutoDeploymentCommand(imageID, max_instances)
l = temporaryID.split("|")
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs, float(l[1]))
def autoDeployImage(self, imageID, instances):
"""
Performs an automatic image deployment operation
Args:
imageID: the affected image's ID
max_instances: the maximum new instance number
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createAutoDeploymentCommand(imageID, instances)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def changeVMServerConfiguration(self, serverNameOrIPAddress, newName, newIPAddress, newPort,
newImageEditionBehavior):
"""
Modifies a virtual machine server's configuration
Args:
serverNameOrIPAddress: the virtual machine server's name or IP address
newName: the virtual machine server's new name
newIPAddress: the virtual machine server's IP new address
newPort: the virtual machine server's new port
newImageEditionBehavior: indicates if the virtual machine server will be used to create and edit
images or not
Returns:
a command ID
"""
(commandType, commandArgs) = self.__commandsHandler.createVMServerConfigurationChangeCommand(serverNameOrIPAddress,
newName, newIPAddress, newPort, newImageEditionBehavior)
return self.__commandsDBConnector.addCommand(self.__userID, commandType, commandArgs)
def getCommandOutput(self, commandID):
"""
Returns a command's output
Args:
commandID: the command's ID
Returns:
- an empty tuple if the command is still running, or
- a dictionary containing its output if it's not
"""
if (self.__commandsDBConnector.isRunning(commandID)) :
return ()
else :
result = self.__commandsDBConnector.getCommandOutput(commandID)
if (result != None) :
(outputType, outputContent) = result
result = self.__commandsHandler.deserializeCommandOutput(outputType, outputContent)
return result
def waitForCommandOutput(self, commandID):
"""
Returns a command's output. This is a blocking operation.
Args:
commandID: the command's ID
Returns:
- None if the command has no output, or
- a dictionary containing the command's output if it's not.
"""
while (self.__commandsDBConnector.isRunning(commandID)) :
sleep(0.5)
result = self.__commandsDBConnector.getCommandOutput(commandID)
if result == None :
return None
else :
return self.__commandsHandler.deserializeCommandOutput(result[0], result[1])
def getBootableImagesData(self, imageIDs):
"""
Returns the bootable image data
Args:
imageID: a list of image identifiers. If it's not empty, it will be used
to filter the query results.
Returns:
A list of dictionaries. Each one contains a bootable image's data.
"""
return self.__endpointDBConnector.getBootableImagesData(imageIDs)
def getBaseImagesData(self):
"""
Returns the base images data
Args:
None
Returns:
A list of dictionaries. Each one contains a base image's data.
"""
return self.__endpointDBConnector.getBaseImagesData()
def getEditedImageIDs(self, userID):
"""
Returns the edited images temporary IDs
Args:
userID: a user ID. If it's none, all the edited images' IDs will be returned
Returns:
a list containing the edited images' temporary IDs.
"""
return self.__endpointDBConnector.getEditedImageIDs(userID)
def getVanillaImageFamilyID(self, imageID):
"""
Returns the virtual machine family ID associated with an image.
Args:
imageID: an image ID
Returns:
the virtual machine family ID associated with the given image.
"""
return self.__endpointDBConnector.getVMFamilyID(imageID)
def getVanillaImageFamilyData(self, vanillaImageFamilyID):
"""
Returns a virtual machine family data
Args:
vmFamilyID: a virtual machine family ID
Returns:
A dictionary containing the virtual machine family's data
"""
return self.__endpointDBConnector.getVMFamilyData(vanillaImageFamilyID)
def getMaxVanillaImageFamilyData(self):
"""
Returns the most powerful virtual machine family data
Args:
None
Returns:
A dictionary containing the most powerful virtual machine family data
"""
return self.__endpointDBConnector.getMaxVMFamilyData()
def getImageRepositoryStatus(self):
"""
Returns the image repository current status
Args:
None
Returns:
A dictionary containing the image repository current status
"""
return self.__endpointDBConnector.getImageRepositoryStatus()
def getVirtualMachineServerStatus(self, serverName):
"""
Returns a virtual machine server's status
Args:
A virtual machine server's name
Returns:
a dictionary containing the virtual machine server's status
"""
return self.__endpointDBConnector.getVirtualMachineServerStatus(serverName)
def getOSTypes(self):
"""
Returns the registered OS types
Args:
None
Returns:
a list of dictionaries. Each one contains one of the registered OS types data.
"""
return self.__endpointDBConnector.getOSTypes()
def getOSTypeVariants(self,familyID):
"""
Returns the registered OS variants
Args:
None
Returns:
a list of dictionaries. Each one contains one of the registered OS variantas data.
"""
return self.__endpointDBConnector.getOSTypeVariants(familyID)
def getImageData(self, imageID):
"""
Returns an image's data
Args:
imageID: a permanent or a temporary image ID
Returns:
a dictionary containing the image's data
"""
return self.__endpointDBConnector.getImageData(imageID)
def getPendingNotifications(self):
"""
Returns the user's pending notifications
Args:
None
Returns:
A list of strings containing the user's pending notifications.
"""
return self.__commandsDBConnector.getPendingNotifications(self.__userID)
def countPendingNotifications(self):
"""
Counts the user's pending notifications
Args:
None
Returns:
the user's pending notification number
"""
return self.__commandsDBConnector.countPendingNotifications(self.__userID)