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Diffstat (limited to 'laas-fog/source/domain.py')
| -rw-r--r-- | laas-fog/source/domain.py | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/laas-fog/source/domain.py b/laas-fog/source/domain.py deleted file mode 100644 index 6f00239..0000000 --- a/laas-fog/source/domain.py +++ /dev/null @@ -1,244 +0,0 @@ -""" -############################################################################# -#Copyright 2017 Parker Berberian and others # -# # -#Licensed under the Apache License, Version 2.0 (the "License"); # -#you may not use this file except in compliance with the License. # -#You may obtain a copy of the License at # -# # -# http://www.apache.org/licenses/LICENSE-2.0 # -# # -#Unless required by applicable law or agreed to in writing, software # -#distributed under the License is distributed on an "AS IS" BASIS, # -#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # -#See the License for the specific language governing permissions and # -#limitations under the License. # -############################################################################# -""" - -import xml.dom -import xml.dom.minidom -import yaml - - -class Domain: - """ - This class defines a libvirt vm abstraction that can parse our simple - config file and add all necessary boiler plate and info to write a full xml - definition of itself for libvirt. - """ - - def __init__(self, propertiesDict): - """ - init function. - properiesDict should be one of the dictionaries returned by the static - method parseConfigFile - """ - self.name = propertiesDict['name'] - self.memory = propertiesDict['memory'] - self.vcpus = propertiesDict['vcpus'] - self.disk = propertiesDict['disk'] - self.iso = propertiesDict['iso'] - # the vm will either boot from an iso or pxe - self.netBoot = not self.iso['used'] - self.interfaces = propertiesDict['interfaces'] - - def toXML(self): - """ - combines the given configuration with a lot of - boiler plate to create a valid libvirt xml - definition of a domain. - returns a string - """ - definition = xml.dom.minidom.parseString("<domain>\n</domain>") - definition.documentElement.setAttribute('type', 'kvm') - - nameElem = definition.createElement('name') - nameElem.appendChild(definition.createTextNode(self.name)) - definition.documentElement.appendChild(nameElem) - - memElem = definition.createElement('memory') - memElem.appendChild(definition.createTextNode(str(self.memory))) - definition.documentElement.appendChild(memElem) - - curMemElem = definition.createElement('currentMemory') - curMemElem.appendChild(definition.createTextNode(str(self.memory))) - definition.documentElement.appendChild(curMemElem) - - vcpuElem = definition.createElement('vcpu') - vcpuElem.appendChild(definition.createTextNode(str(self.vcpus))) - definition.documentElement.appendChild(vcpuElem) - - osElem = definition.createElement('os') - - typeElem = definition.createElement('type') - typeElem.setAttribute('arch', 'x86_64') - typeElem.appendChild(definition.createTextNode('hvm')) - osElem.appendChild(typeElem) - - if self.netBoot: - bootElem = definition.createElement('boot') - bootElem.setAttribute('dev', 'network') - osElem.appendChild(bootElem) - - bootElem = definition.createElement('boot') - bootElem.setAttribute('dev', 'hd') - osElem.appendChild(bootElem) - - if self.iso['used']: - bootElem = definition.createElement('boot') - bootElem.setAttribute('dev', 'cdrom') - osElem.appendChild(bootElem) - - definition.documentElement.appendChild(osElem) - - featureElem = definition.createElement('feature') - featureElem.appendChild(definition.createElement('acpi')) - featureElem.appendChild(definition.createElement('apic')) - - definition.documentElement.appendChild(featureElem) - - cpuElem = definition.createElement('cpu') - cpuElem.setAttribute('mode', 'custom') - cpuElem.setAttribute('match', 'exact') - modelElem = definition.createElement('model') - modelElem.appendChild(definition.createTextNode('Broadwell')) - cpuElem.appendChild(modelElem) - - definition.documentElement.appendChild(cpuElem) - - clockElem = definition.createElement('clock') - clockElem.setAttribute('offset', 'utc') - - timeElem = definition.createElement('timer') - timeElem.setAttribute('name', 'rtc') - timeElem.setAttribute('tickpolicy', 'catchup') - clockElem.appendChild(timeElem) - - timeElem = definition.createElement('timer') - timeElem.setAttribute('name', 'pit') - timeElem.setAttribute('tickpolicy', 'delay') - clockElem.appendChild(timeElem) - - timeElem = definition.createElement('timer') - timeElem.setAttribute('name', 'hpet') - timeElem.setAttribute('present', 'no') - clockElem.appendChild(timeElem) - - definition.documentElement.appendChild(clockElem) - - poweroffElem = definition.createElement('on_poweroff') - poweroffElem.appendChild(definition.createTextNode('destroy')) - - definition.documentElement.appendChild(poweroffElem) - - rebootElem = definition.createElement('on_reboot') - rebootElem.appendChild(definition.createTextNode('restart')) - - definition.documentElement.appendChild(rebootElem) - - crashElem = definition.createElement('on_reboot') - crashElem.appendChild(definition.createTextNode('restart')) - - definition.documentElement.appendChild(crashElem) - - pmElem = definition.createElement('pm') - memElem = definition.createElement('suspend-to-mem') - memElem.setAttribute('enabled', 'no') - pmElem.appendChild(memElem) - diskElem = definition.createElement('suspend-to-disk') - diskElem.setAttribute('enabled', 'no') - pmElem.appendChild(diskElem) - - definition.documentElement.appendChild(pmElem) - - deviceElem = definition.createElement('devices') - - emuElem = definition.createElement('emulator') - emuElem.appendChild(definition.createTextNode('/usr/libexec/qemu-kvm')) - deviceElem.appendChild(emuElem) - - diskElem = definition.createElement('disk') - diskElem.setAttribute('type', 'file') - diskElem.setAttribute('device', 'disk') - - driverElem = definition.createElement('driver') - driverElem.setAttribute('name', 'qemu') - driverElem.setAttribute('type', 'qcow2') - diskElem.appendChild(driverElem) - - sourceElem = definition.createElement('source') - sourceElem.setAttribute('file', self.disk) - diskElem.appendChild(sourceElem) - - targetElem = definition.createElement('target') - targetElem.setAttribute('dev', 'hda') - targetElem.setAttribute('bus', 'ide') - diskElem.appendChild(targetElem) - - deviceElem.appendChild(diskElem) - - if self.iso['used']: - diskElem = definition.createElement('disk') - diskElem.setAttribute('type', 'file') - diskElem.setAttribute('device', 'cdrom') - - driverElem = definition.createElement('driver') - driverElem.setAttribute('name', 'qemu') - driverElem.setAttribute('type', 'raw') - diskElem.appendChild(driverElem) - - sourceElem = definition.createElement('source') - sourceElem.setAttribute('file', self.iso['location']) - diskElem.appendChild(sourceElem) - - targetElem = definition.createElement('target') - targetElem.setAttribute('dev', 'hdb') - targetElem.setAttribute('bus', 'ide') - diskElem.appendChild(targetElem) - - diskElem.appendChild(definition.createElement('readonly')) - deviceElem.appendChild(diskElem) - - for iface in self.interfaces: - ifaceElem = definition.createElement('interface') - ifaceElem.setAttribute('type', iface['type']) - sourceElem = definition.createElement('source') - sourceElem.setAttribute(iface['type'], iface['name']) - modelElem = definition.createElement('model') - modelElem.setAttribute('type', 'e1000') - ifaceElem.appendChild(sourceElem) - ifaceElem.appendChild(modelElem) - deviceElem.appendChild(ifaceElem) - - graphicElem = definition.createElement('graphics') - graphicElem.setAttribute('type', 'vnc') - graphicElem.setAttribute('port', '-1') - deviceElem.appendChild(graphicElem) - - consoleElem = definition.createElement('console') - consoleElem.setAttribute('type', 'pty') - deviceElem.appendChild(consoleElem) - - definition.documentElement.appendChild(deviceElem) - return definition.toprettyxml() - - def writeXML(self, filePath): - """ - writes this domain's xml definition to the given file. - """ - f = open(filePath, 'w') - f.write(self.toXML()) - f.close() - - @staticmethod - def parseConfigFile(path): - """ - parses the domains config file - """ - configFile = open(path, 'r') - try: - config = yaml.safe_load(configFile) - except Exception: - print "Invalid domain configuration. exiting" - return config |