2:21 p.m.
From: Aline Manera <alinefm(a)br.ibm.com>
The model implementation for vm interface and its sub-resources were added to
model_/vmifaces.py
Signed-off-by: Aline Manera <alinefm(a)br.ibm.com>
---
src/kimchi/model_/vmifaces.py | 135 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 135 insertions(+)
create mode 100644 src/kimchi/model_/vmifaces.py
diff --git a/src/kimchi/model_/vmifaces.py b/src/kimchi/model_/vmifaces.py
new file mode 100644
index 0000000..4ec0c7b
--- /dev/null
+++ b/src/kimchi/model_/vmifaces.py
@@ -0,0 +1,135 @@
+#
+# Project Kimchi
+#
+# Copyright IBM, Corp. 2013
+#
+# Authors:
+# Aline Manera <alinefm(a)linux.vnet.ibm.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import random
+
+import libvirt
+from lxml import etree, objectify
+from lxml.builder import E
+
+from kimchi.exception import InvalidOperation, InvalidParameter, NotFoundError
+from kimchi.model_.vms import DOM_STATE_MAP, VMModel
+
+
+class VMIfacesModel(object):
+ def __init__(self, **kargs):
+ self.conn = kargs['conn']
+
+ def get_list(self, vm):
+ macs = []
+ for iface in self.get_vmifaces(vm, self.conn):
+ macs.append(iface.mac.get('address'))
+ return macs
+
+ def create(self, vm, params):
+ def randomMAC():
+ mac = [0x52, 0x54, 0x00,
+ random.randint(0x00, 0x7f),
+ random.randint(0x00, 0xff),
+ random.randint(0x00, 0xff)]
+ return ':'.join(map(lambda x: "%02x" % x, mac))
+
+ conn = self.conn.get()
+ networks = conn.listNetworks() + conn.listDefinedNetworks()
+
+ if params["type"] == "network" and
params["network"] not in networks:
+ raise InvalidParameter("%s is not an available network" %
+ params["network"])
+
+ dom = VMModel.get_vm(vm, self.conn)
+ if DOM_STATE_MAP[dom.info()[0]] != "shutoff":
+ raise InvalidOperation("do not support hot plugging attach "
+ "guest interface")
+
+ macs = (iface.mac.get('address')
+ for iface in self.get_vmifaces(vm, self.conn))
+
+ mac = randomMAC()
+ while True:
+ if mac not in macs:
+ break
+ mac = randomMAC()
+
+ children = [E.mac(address=mac)]
+ ("network" in params.keys() and
+ children.append(E.source(network=params['network'])))
+ ("model" in params.keys() and
+ children.append(E.model(type=params['model'])))
+ attrib = {"type": params["type"]}
+
+ xml = etree.tostring(E.interface(*children, **attrib))
+
+ dom.attachDeviceFlags(xml, libvirt.VIR_DOMAIN_AFFECT_CURRENT)
+
+ return mac
+
+ @staticmethod
+ def get_vmifaces(vm, conn):
+ dom = VMModel.get_vm(vm, conn)
+ xml = dom.XMLDesc(0)
+ root = objectify.fromstring(xml)
+
+ return root.devices.findall("interface")
+
+
+class VMIfaceModel(object):
+ def __init__(self, **kargs):
+ self.conn = kargs['conn']
+
+ def _get_vmiface(self, vm, mac):
+ ifaces = VMIfacesModel.get_vmifaces(vm, self.conn)
+
+ for iface in ifaces:
+ if iface.mac.get('address') == mac:
+ return iface
+ return None
+
+ def lookup(self, vm, mac):
+ info = {}
+
+ iface = self._get_vmiface(vm, mac)
+ if iface is None:
+ raise NotFoundError('iface: "%s"' % mac)
+
+ info['type'] = iface.attrib['type']
+ info['mac'] = iface.mac.get('address')
+ if iface.find("model") is not None:
+ info['model'] = iface.model.get('type')
+ if info['type'] == 'network':
+ info['network'] = iface.source.get('network')
+ if info['type'] == 'bridge':
+ info['bridge'] = iface.source.get('bridge')
+
+ return info
+
+ def delete(self, vm, mac):
+ dom = VMModel.get_vm(vm, self.conn)
+ iface = self._get_vmiface(vm, mac)
+
+ if DOM_STATE_MAP[dom.info()[0]] != "shutoff":
+ raise InvalidOperation("do not support hot plugging detach "
+ "guest interface")
+ if iface is None:
+ raise NotFoundError('iface: "%s"' % mac)
+
+ dom.detachDeviceFlags(etree.tostring(iface),
+ libvirt.VIR_DOMAIN_AFFECT_CURRENT)
--
1.7.10.4