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disk_control.py
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disk_control.py
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#-*- coding:utf-8 -*-
from dbMgnt import redisMgnt
import domain_opera
import xmltodict
import script
import json
import subprocess
import ConfigParser
from random import Random
import datetime
def diskRegister(path=None):
def createName():
str1 = ""
chars = '1234567890ABCDEFabcdef'
length = len(chars) - 1
random = Random()
for i in range(10):
str1 += chars[random.randint(0, 13)]
return str1
id = createName()
now = datetime.datetime.now()
time = now.strftime("%Y:%m:%d %H:%M:%S")
cf = ConfigParser.ConfigParser()
cf.read("/git_csdn/kvm/src/global.conf")
pool_name = cf.get("storage","pool_name")
a = str(path).split('/')
name = a[-1]
del a[0]
del a[-1]
path = "/"
for i in a:
path += i + "/"
rg = [{
'image': name,
'path': path,
'time': "'{}'".format(time),
'st' : "'N'",
'UUID' : "'{}'".format(id),
}]
pyHost = redisMgnt().control(type='select',Dict=['UUID','nodeIP'],table='host_nodeinfo',Where={'nodeSTATUS':"'0'"})
for i in [ m[1] for m in pyHost ]:
obj = domain_opera.virConn(i).getStoragePoolObject(pool_name,"name")
domain_opera.storage_edit(obj).refer()
hl = [ m[1] for m in pyHost]
ho = hl[Random().randint(0,len(hl) -1 )]
volObject = domain_opera.virConn(ho).getVolObj(rg[0]['path'] + rg[0]['image'])
rg[0]['AllSize'] = "'{}'".format(domain_opera.vol_edit(volObject).size()["AllSize"])
rg[0]['UseSize'] = "'{}'".format(domain_opera.vol_edit(volObject).size()["UseSize"])
rg[0]['image'] = "'{}'".format(rg[0]['image'])
rg[0]['path'] = "'{}'".format(rg[0]['path'])
rcode = redisMgnt().control(type='insert',Dict=rg[0],table='disk_diskregister')
if rcode == 200:
return {'code' : 200}
def diskRefer(**kwargs):
try:
conn = redisMgnt()
imageName = kwargs["image"]
inhost = [x[0] for x in conn.control(type="select", Dict=['nodeIP'], table="host_nodeinfo")]
path = "{}{}".format(conn.control(type="select", Dict=['path'], table="disk_diskregister",
Where={'image': '"{}"'.format(imageName)})[0][0], imageName)
rn = Random().randint(0, len(inhost) - 1)
obj = domain_opera.virConn(inhost[rn]).getVolObj(path)
AllSize = domain_opera.vol_edit(obj).size()["AllSize"]
UseSize = domain_opera.vol_edit(obj).size()["UseSize"]
# print(AllSize)
conn.control(type="update",Dict={'AllSize': '"{}"'.format(AllSize), 'UseSize': '"{}"'.format(UseSize)},table="disk_diskregister", Where={'image': '"{}"'.format(imageName)})
conn.__exit__()
return 200
except Exception, msg:
print(msg)
#disk is use check
def diskUseCheck():
try:
conn = redisMgnt()
d = conn.control(type='select',Dict=['disk','UUID'],table='domain_machineinfo')
_tmp = {}
for k in d:
f = json.loads(k[0])
for i in f:
if i[i.keys()[0]]["devType"] == 'disk':
f = i[i.keys()[0]]["devPath"]
a = f.split("/")
name = a[-1]
del a[-1]
path = ""
for i in a:
path += i + "/"
DescHost = k[1]
_tmp['{}{}'.format(path,name)] = DescHost
disk1 = conn.control(type="select", table="disk_diskregister",
Dict=['path', 'image', 'Dhost', 'st', 'UUID'])
diskList = {}
for i in disk1:
diskList[i[4]] = {'path': i[0], 'image': i[1], 'Dhost': i[2], 'st': i[3]}
for m in diskList.keys():
str = "{}{}".format(diskList[m]['path'],diskList[m]['image'])
if str in [ x for x in _tmp.keys()]:
diskList[m]['st'] = "'Y'"
diskList[m]['Dhost'] = "'{}'".format(_tmp[str])
else:
diskList[m]['st'] = "'N'"
diskList[m]['Dhost'] = "' '"
if diskRefer(image=diskList[m]['image']) == 200:
diskList[m]['path'] = "'{}'".format(diskList[m]['path'])
diskList[m]['image'] = "'{}'".format(diskList[m]['image'])
conn.control(type='update',Dict=diskList[m],table='disk_diskregister',Where={'UUID':"'{}'".format(m)})
conn.__exit__()
print({'status':'ok','task':'refer disk use check','module':'disk_control-diskUseCheck'})
return {'code' : 200}
except Exception,msg:
print(msg)
return {'code' : 451}
def diskCreate(**kwargs):
try:
type = "qcow2"
name = kwargs["name"]
size = kwargs["size"]
cf = ConfigParser.ConfigParser()
cf.read("/git_csdn/kvm/src/global.conf")
image_path = cf.get('storage', 'pool_path')
str = "qemu-img create -f {} {}/{} {}G".format(type, image_path, name, size)
subprocess.Popen(str, shell=True, stdout=subprocess.PIPE)
diskRegister("{}/{}.img".format(image_path, name))
return 200
except Exception:
return {'error': 452}
def diskResize(**kwargs):
try:
UUID = kwargs["UUID"]
size = int(kwargs["size"]) * 1024 * 1024 * 1024
inhost = [ x[0] for x in redisMgnt().control(type="select",Dict=['nodeIP'],table="host_nodeinfo") ]
f = redisMgnt().control(type="select", Dict=['path', 'image'], table="disk_diskregister",
Where={'UUID': '"{}"'.format(UUID)})
path = f[0][0] + f[0][1]
rn = Random().randint(0,len(inhost) - 1)
obj = domain_opera.virConn(inhost[rn]).getVolObj(path)
#print domainOpera.vol_edit(obj).size();
domain_opera.vol_edit(obj).resize(size)
#print domainOpera.vol_edit(obj).size();
def diskRefer(**kwargs):
try:
UUID = kwargs["image"]
inhost = [x[0] for x in redisMgnt().control(type="select", Dict=['nodeIP'], table="host_nodeinfo")]
f = redisMgnt().control(type="select", Dict=['path', 'image'], table="disk_diskregister",
Where={'UUID': '"{}"'.format(UUID)})
path = f[0][0] + f[0][1]
rn = Random().randint(0, len(inhost) - 1)
obj = domain_opera.virConn(inhost[rn]).getVolObj(path)
AllSize = domain_opera.vol_edit(obj).size()["AllSize"]
UseSize = domain_opera.vol_edit(obj).size()["UseSize"]
if AllSize * 1024 * 1024 * 1024 != kwargs['size']:
return diskRefer(image=kwargs['image'], size=kwargs['size'])
else:
# print(AllSize)
redisMgnt().control(type="update",
Dict={'AllSize': '"{}"'.format(AllSize), 'UseSize': '"{}"'.format(UseSize)},
table="disk_diskregister", Where={'UUID': '"{}"'.format(UUID)})
return 200
except Exception,msg:
return {'error' : 451}
recode = diskRefer(image=UUID,size=size)
if recode == 200:
return {'code' : 200}
else:
return recode
except Exception,msg:
print(msg)
def imageRegister(path=None,SysType=None):
def createName():
str1 = ""
chars = 'abcdHIGKL1234567890'
length = len(chars) - 1
random = Random()
for i in range(10):
str1 += chars[random.randint(0, 13)]
return str1
id = createName()
now = datetime.datetime.now()
time = now.strftime("%Y:%m:%d %H:%M:%S")
cf = ConfigParser.ConfigParser()
cf.read("/git_csdn/kvm/conf/kvm.conf")
image_path = cf.get('image', 'pool_path')
a = str(path).split('/')
name = a[-1]
del a[0]
del a[-1]
path = "/"
for i in a:
path+= i + "/"
rg = {
'image' : '"{}"'.format(name),
'path' : '"{}"'.format(path),
'time' : '"{}"'.format(time),
'UUID' : '"{}"'.format(id),
'systemType' : '"{}"'.format(SysType),
}
redisMgnt().control(type='insert',Dict=rg,table="imageregister")
def diskDelete(**kwargs):
try:
UUID = kwargs["UUID"]
inhost = [x[0] for x in redisMgnt().control(type="select", Dict=['nodeIP'], table="host_nodeinfo")]
f = redisMgnt().control(type="select", Dict=['path','image'], table="disk_diskregister",
Where={'UUID': '"{}"'.format(UUID)})
path = f[0][0] + f[0][1]
rn = Random().randint(0, len(inhost) - 1)
obj = domain_opera.virConn(inhost[rn]).getVolObj(path)
domain_opera.vol_edit(obj).delete()
redisMgnt().control(type="delete",table="disk_diskregister",Where={'UUID':'"{}"'.format(UUID)})
return 200
except Exception,msg:
print(msg)
return 202
def diskInfo(UUID):
try:
dI = ['image','AllSize','Dhost','status','UseSize']
tmp = list(redisMgnt().control(type='select',Dict=['image','AllSize','Dhost','st','UseSize'],table='disk_diskregister',Where={'UUID':"'{}'".format(UUID)})[0])
if not tmp[2].encode("utf-8") == str(" "):
tmp[2] = redisMgnt().control(type='select',Dict=['vName'],table='domain_machineinfo',Where={'UUID':"'{}'".format(tmp[2])})[0][0]
return dict(zip(dI,tmp))
except Exception,msg:
print(msg)