From: Jonatan Schlag Date: Fri, 27 Apr 2018 14:19:07 +0000 (+0200) Subject: Move machine class into an own file X-Git-Url: http://git.ipfire.org/?p=nitsi.git;a=commitdiff_plain;h=a6a7fe20f44a9708b9272a673538062f4a3728e0 Move machine class into an own file Signed-off-by: Jonatan Schlag --- diff --git a/machine.py b/machine.py new file mode 100644 index 0000000..035c010 --- /dev/null +++ b/machine.py @@ -0,0 +1,122 @@ +#!/usr/bin/python3 + +import xml.etree.ElementTree as ET + +from disk import disk + +from serial_connection import serial_connection + +from test import libvirt_con + +import os +import libvirt + + +class machine(): + def __init__(self, vm_xml_file, snapshot_xml_file, image, root_uid, username, password): + self.log = log(4) + self.con = libvirt_con("qemu:///system") + try: + with open(vm_xml_file) as fobj: + self.vm_xml = fobj.read() + except FileNotFoundError as error: + self.log.error("No such file: {}".format(vm_xml_file)) + + 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.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 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 diff --git a/test.py b/test.py index b0385d3..36d5277 100755 --- a/test.py +++ b/test.py @@ -3,8 +3,6 @@ import libvirt -import xml.etree.ElementTree as ET - import os import configparser @@ -49,116 +47,6 @@ class libvirt_con(): return self.connection -class machine(): - def __init__(self, vm_xml_file, snapshot_xml_file, image, root_uid, username, password): - self.log = log(4) - self.con = libvirt_con("qemu:///system") - try: - with open(vm_xml_file) as fobj: - self.vm_xml = fobj.read() - except FileNotFoundError as error: - self.log.error("No such file: {}".format(vm_xml_file)) - - 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.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 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() - - # A class which define and undefine a virtual network based on an xml file class network():