def deletevm(conn, phy, name):
'''
: 1. destory vm
: 2. undefine vm
: 3. delete img
:param name:
:return:
'''
try:
ret_message = []
# destory
@qemu_isalive(host=phy)
def destory(conn, name):
return destoryvm(conn, name)
err, message = destory(name)
assert err is None, '{} shutdown force error!'.format(name)
ret_message.append(message)
# undefine
dom = conn.lookupByName(name)
ret = dom.undefine()
assert ret == 0, '{} undefine error!'.format(name)
ret_message.append({
"error": 0,
"message": "{} undefine!".format(name)
})
# delete
img_path = os.path.join(settings.IMG_PATH, name + '.qcow2')
err, host = get_host()
assert err is None, "GET HOST ERROR"
host_list = '{},'.format(host)
task_list = [
dict(action=dict(module='file',
args="name={} state=absent".format(img_path))),
dict(action=dict(
module='file',
args="path=/ddhome/kvm/config/{} state=absent".format(name)))
]
ans = AnsibleRun(host_list, task_list)
ans.task_run()
msg = ans.get_result()
if msg["failed"]:
raise OSError({"error": 1, "message": msg.get('failed')})
elif msg['unreachable']:
raise OSError({"error": 1, "message": msg.get('unreachable')})
elif msg['ok']:
ret_message.append({"error": 0, "message": msg.get('ok')})
return None, ret_message
except Exception as e:
return True, {"error": 1, 'message': "{}".format(e)}
def createvm(conn, xmldesc, ifdesc, name):
'''
: 1. define
: 2. copy ifcfg-eth0
: 3. virt-copy-in
:param conn:
:param xmldesc:
:param rcdesc:
:param name:
:return:
'''
try:
ret_message = []
# define
dom = conn.defineXML(xmldesc)
assert dom.name() == name, '{} define error'.format(name)
ret_message.append({"error": 0, "message": "{} define!".format(name)})
# copy ifcfg-eth0 and virt-copy-in
with open('templates/{}_ifcfg-eth0'.format(name), 'w') as fp:
fp.write(ifdesc)
err, host = get_host()
assert err is None, "GET HOST ERROR"
host_list = '{},'.format(host)
task_list = [
dict(action=dict(module="file",
args="path=/ddhome/kvm/config/{} state=directory".
format(name))),
dict(
action=dict(module='copy',
args='src=templates/{name}_ifcfg-eth0 '
'dest=/ddhome/kvm/config/{name}/ifcfg-eth0'.format(
name=name))),
dict(action=dict(
module='shell',
args=
'/usr/bin/virt-copy-in -d {name} /ddhome/kvm/config/{name}/ifcfg-eth0 '
'/etc/sysconfig/network-scripts/'.format(name=name)))
]
ans = AnsibleRun(host_list, task_list)
ans.task_run()
msg = ans.get_result()
if msg["failed"]:
raise OSError({"error": 1, "message": msg.get('failed')})
elif msg['unreachable']:
raise OSError({"error": 1, "message": msg.get('unreachable')})
elif msg['ok']:
ret_message.append({"error": 0, "message": msg.get('ok')})
return None, ret_message
except Exception as e:
return True, {"error": 1, "message": "{}".format(e)}
def qemu_connect(host=None):
if host is None:
try:
err, host = get_host()
assert err is None, "GET HOST ERROR"
conn = libvirt.open('qemu+tcp://{}:16509/system'.format(host))
return None, conn
except libvirt.libvirtError as e:
return True, {"error": 1, "message": "{}".format(e)}
else:
try:
conn = libvirt.open('qemu+tcp://{}:16509/system'.format(host))
return None, conn
except libvirt.libvirtError as e:
return True, {"error": 1, "message": "{}".format(e)}
def get(self, request, phy=None, format=None):
'''
: ansible facts
:param request:
:param format:
:return:
'''
err, host = get_host()
assert err is None, 'GET HOST ERROR'
host_list = '{},'.format(phy or host)
task_list = [
dict(action=dict(module='script', args='templates/sys_info.py')),
]
ans = AnsibleRun(host_list, task_list)
ans.task_run()
return Response(ans.get_result(), status=status.HTTP_200_OK)
def delete_no_destroyvm(conn, name):
'''
:
:param conn:
:param name:
:return:
'''
try:
ret_message = []
# undefine
dom = conn.lookupByName(name)
ret = dom.undefine()
assert ret == 0, '{} undefine error!'.format(name)
ret_message.append({
"error": 0,
"message": "{} undefine!".format(name)
})
# delete
img_path = os.path.join(settings.IMG_PATH, name + '.qcow2')
err, host = get_host()
assert err is None, "GET HOST ERROR"
host_list = '{},'.format(host)
task_list = [
dict(action=dict(module='file',
args="name={} state=absent".format(img_path))),
]
ans = AnsibleRun(host_list, task_list)
ans.task_run()
msg = ans.get_result()
if msg["failed"]:
raise OSError({"error": 1, "message": msg.get('failed')})
elif msg['unreachable']:
raise OSError({"error": 1, "message": msg.get('unreachable')})
elif msg['ok']:
ret_message.append({"error": 0, "message": msg.get('ok')})
return None, ret_message
except Exception as e:
print(e)
return True, {"error": 1, 'message': "{}".format(e)}
def get(self, request, format=None):
'''
:param request:
:param format:
:return:
'''
# 获取默认的宿主机
err, host = get_host()
assert err is None, 'GET HOST ERROR'
@qemu_isalive(host=host)
def lst(conn):
return domlist(conn)
err, vm_list = lst()
if err:
return Response(vm_list,
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
serializer = VMListSerializer(data=vm_list, many=True)
if serializer.is_valid():
return Response(serializer.validated_data,
status=status.HTTP_200_OK)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)