82 lines
3.6 KiB
Python
82 lines
3.6 KiB
Python
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import os
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from config import *
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from xml.dom import minidom
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import subprocess
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from functions.fpool import *
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def get_volume_disk(disk_path):
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refresh_pool()
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vol_disk = conn.storageVolLookupByPath(disk_path)
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vol_size = vol_disk.info()[1]
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vol_size_G = vol_size / (1024*1024*1024)
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return vol_size_G
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def get_disks_info(vm_name):
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disks = []
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dom = conn.lookupByName(vm_name)
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raw_xml = dom.XMLDesc(0)
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xml = minidom.parseString(raw_xml)
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diskTypes = xml.getElementsByTagName('disk')
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for diskType in diskTypes:
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if diskType.getAttribute('device') == 'disk':
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disk_unit = []
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disk_id = 'Unknown'
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diskNodes = diskType.childNodes
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for diskNode in diskNodes:
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if diskNode.nodeName == 'target':
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for attr in diskNode.attributes.keys():
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if diskNode.attributes[attr].name == 'dev':
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disk_id = diskNode.attributes[attr].value
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if diskNode.nodeName == 'source':
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for attr in diskNode.attributes.keys():
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if diskNode.attributes[attr].name == 'file':
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blkinf = dom.blockInfo(diskNode.attributes[attr].value)
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vol_size = os.path.getsize(diskNode.attributes[attr].value)
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diskname = os.path.basename(diskNode.attributes[attr].value)
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volsize = get_volume_disk(diskNode.attributes[attr].value)
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disksize = round(blkinf[0] / 1024**3)
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diskused = round(blkinf[1] / 1024**3)
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if disksize > 0:
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diskpercent = (diskused*100 / disksize)
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else:
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diskpercent = 0
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disk_unit = [diskNode.attributes[attr].value,disksize,diskused,diskpercent,diskname,int(volsize)]
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if diskNode.nodeName == 'target':
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for attr in diskNode.attributes.keys():
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if diskNode.attributes[attr].name == 'dev':
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disk_id = diskNode.attributes[attr].value
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disk_unit.append(disk_id)
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disks.append(disk_unit)
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return disks
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def create_attached_disk(vm_name,disk_name,disk_size,disk_id):
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cmd = "qemu-img create -f qcow2 "+str(disk_path)+str(disk_name)+".qcow2 "+str(disk_size)+"G"
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subprocess.call(cmd, shell=True)
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dom = conn.lookupByName(vm_name)
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if not dom.isActive():
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dom.create()
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disk_full = disk_path+disk_name+".qcow2"
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cmd = "virsh attach-disk --domain "+vm_name+" "+disk_full+" --target "+disk_id+" --persistent --config --live"
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subprocess.call(cmd, shell=True)
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refresh_pool()
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def resize_disk(disk_file,actual_size,new_size,vm_name,disk_id):
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cmd = "virsh detach-disk '"+vm_name+"' "+disk_file+" --persistent --config --live"
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subprocess.call(cmd, shell=True)
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if int(actual_size) < int(new_size):
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cmd = "qemu-img resize -f qcow2 "+str(disk_file)+" "+str(new_size)+"G"
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subprocess.call(cmd, shell=True)
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else:
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cmd = "qemu-img resize -f qcow2 --shrink "+str(disk_file)+" "+str(new_size)+"G"
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subprocess.call(cmd, shell=True)
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cmd = "virsh attach-disk '"+str(vm_name)+"' "+str(disk_file)+" "+str(disk_id)+" --cache none --persistent --config --live"
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subprocess.call(cmd, shell=True)
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refresh_pool()
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def detach_disk(vm_name,diskfile):
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cmd = "virsh detach-disk '"+str(vm_name)+"' "+str(diskfile)+" --persistent --config --live"
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subprocess.call(cmd, shell=True)
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refresh_pool()
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