+++ /dev/null
-#!/usr/bin/python3
-
-import xml.etree.ElementTree as ET
-
-from disk import disk
-
-from serial_connection import serial_connection
-
-import os
-import libvirt
-
-import logging
-
-logger = logging.getLogger("nitsi.machine")
-
-class machine():
- def __init__(self, libvirt_con, vm_xml_file, snapshot_xml_file, image, root_uid, username, password):
- self.log = logger.getChild(os.path.basename(vm_xml_file))
- self.con = libvirt_con
- try:
- with open(vm_xml_file) as fobj:
- self.vm_xml = fobj.read()
- except FileNotFoundError as error:
- logger.error("No such file: {}".format(vm_xml_file))
-
- try:
- self.name = self.get_name()
- except BaseException as error:
- logger.error("Could not get name of the machine: {}".format(vm_xml_file))
- raise error
-
- self.log = logger.getChild(self.name)
- self.log.debug("Name of this machine is {}".format(self.name))
-
- try:
- with open(snapshot_xml_file) as fobj:
- self.snapshot_xml = fobj.read()
- except FileNotFoundError as error:
- self.log.error("No such file: {}".format(snapshot_xml_file))
-
- self.image = image
-
- if not os.path.isfile(self.image):
- self.log.error("No such file: {}".format(self.image))
-
- self.root_uid = root_uid
- self.disk = disk(image)
-
- self.username = username
- self.password = password
-
- def define(self):
- self.dom = self.con.defineXML(self.vm_xml)
- if self.dom == None:
- self.log.error("Could not define VM")
- raise BaseException
-
- def start(self):
- if self.dom.create() < 0:
- self.log.error("Could not start VM")
- raise BaseException
-
- def shutdown(self):
- if self.is_running():
- if self.dom.shutdown() < 0:
- self.log.error("Could not shutdown VM")
- raise BaseException
- else:
- self.log.error("Domain is not running")
-
- def undefine(self):
- self.dom.undefine()
-
- def create_snapshot(self):
-
- self.snapshot = self.dom.snapshotCreateXML(self.snapshot_xml)
-
- if not self.snapshot:
- self.log.error("Could not create snapshot")
- raise BaseException
-
- def revert_snapshot(self):
- self.dom.revertToSnapshot(self.snapshot)
- self.snapshot.delete()
-
- def is_running(self):
-
- state, reason = self.dom.state()
-
- if state == libvirt.VIR_DOMAIN_RUNNING:
- return True
- else:
- return False
-
- def get_serial_device(self):
-
- if not self.is_running():
- raise BaseException
-
- xml_root = ET.fromstring(self.dom.XMLDesc(0))
-
- elem = xml_root.find("./devices/serial/source")
- return elem.get("path")
-
- def get_name(self):
- xml_root = ET.fromstring(self.vm_xml)
-
- elem = xml_root.find("./name")
- return elem.text
-
- def check_is_booted_up(self):
- serial_con = serial_connection(self.get_serial_device())
-
- serial_con.write("\n")
- # This will block till the domain is booted up
- serial_con.read(1)
-
- #serial_con.close()
-
- def login(self):
- try:
- self.serial_con = serial_connection(self.get_serial_device(), username=self.username)
- self.serial_con.login(self.password)
- except BaseException as e:
- self.log.error("Could not connect to the domain via serial console")
-
- def cmd(self, cmd):
- return self.serial_con.command(cmd)
-
- def copy_in(self, fr, to):
- try:
- self.disk.mount(self.root_uid, "/")
- self.disk.copy_in(fr, to)
- except BaseException as e:
- self.log.error(e)
- finally:
- self.disk.umount("/")
- self.disk.close()
\ No newline at end of file