5:20 a.m.
From: Royce Lv <lvroyce(a)linux.vnet.ibm.com>
When bus type is not passed by user,
kimchi choose bus type based on stored os distro and version.
And make right hot plug behavior based on bus type.
Signed-off-by: Royce Lv <lvroyce(a)linux.vnet.ibm.com>
---
src/kimchi/model/vmstorages.py | 40 ++++++++++++++++++++++++++++------------
1 file changed, 28 insertions(+), 12 deletions(-)
diff --git a/src/kimchi/model/vmstorages.py b/src/kimchi/model/vmstorages.py
index c31af24..b265e6a 100644
--- a/src/kimchi/model/vmstorages.py
+++ b/src/kimchi/model/vmstorages.py
@@ -32,9 +32,11 @@ from kimchi.exception import InvalidOperation, InvalidParameter,
NotFoundError
from kimchi.exception import OperationFailed
from kimchi.model.vms import DOM_STATE_MAP, VMModel
from kimchi.utils import check_url_path
+from kimchi.osinfo import lookup
DEV_TYPE_SRC_ATTR_MAP = {'file': 'file',
'block': 'dev'}
+HOTPLUG_TYPE = ['scsi', 'virtio']
def _get_device_xml(dom, dev_name):
@@ -47,6 +49,14 @@ def _get_device_xml(dom, dev_name):
return disk[0]
+def _get_device_bus(dev_type, dom):
+ try:
+ version, distro = VMModel.vm_get_os_metadata(dom)
+ except:
+ version, distro = ('unknown', 'unknown')
+ return lookup(distro, version)[dev_type+'_bus']
+
+
def _get_storage_xml(params):
src_type = params.get('src_type')
disk = E.disk(type=src_type, device=params.get('type'))
@@ -65,7 +75,7 @@ def _get_storage_xml(params):
source.set(DEV_TYPE_SRC_ATTR_MAP[src_type], params.get('path'))
disk.append(source)
- disk.append(E.target(dev=params.get('dev'), bus=params.get('bus',
'ide')))
+ disk.append(E.target(dev=params.get('dev'), bus=params['bus']))
if params.get('address'):
# ide disk target id is always '0'
disk.append(E.address(
@@ -105,7 +115,9 @@ class VMStoragesModel(object):
def __init__(self, **kargs):
self.conn = kargs['conn']
- def _get_available_ide_address(self, vm_name):
+ def _get_available_bus_address(self, bus_type, vm_name):
+ if bus_type not in ['ide']:
+ return dict()
# libvirt limitation of just 1 ide controller
# each controller have at most 2 buses and each bus 2 units.
dom = VMModel.get_vm(vm_name, self.conn)
@@ -130,9 +142,6 @@ class VMStoragesModel(object):
def create(self, vm_name, params):
dom = VMModel.get_vm(vm_name, self.conn)
- if DOM_STATE_MAP[dom.info()[0]] != 'shutoff':
- raise InvalidOperation('KCHVMSTOR0011E')
-
# Use device name passed or pick next
dev_name = params.get('dev', None)
if dev_name is None:
@@ -148,7 +157,13 @@ class VMStoragesModel(object):
path = params['path']
params['src_type'] = _check_cdrom_path(path)
- params.update(self._get_available_ide_address(vm_name))
+ params.setdefault(
+ 'bus', _get_device_bus(params['type'], dom))
+ if (params['bus'] not in HOTPLUG_TYPE
+ and DOM_STATE_MAP[dom.info()[0]] != 'shutoff'):
+ raise InvalidOperation('KCHVMSTOR0011E')
+
+ params.update(self._get_available_bus_address(params['bus'], vm_name))
# Add device to VM
dev_xml = _get_storage_xml(params)
try:
@@ -218,19 +233,20 @@ class VMStorageModel(object):
def delete(self, vm_name, dev_name):
# Get storage device xml
dom = VMModel.get_vm(vm_name, self.conn)
- disk = _get_device_xml(dom, dev_name)
- if disk is None:
- raise NotFoundError("KCHVMSTOR0007E",
- {'dev_name': dev_name,
- 'vm_name': vm_name})
+ try:
+ bus_type = self.lookup(vm_name, dev_name)['bus']
+ except NotFoundError:
+ raise
dom = VMModel.get_vm(vm_name, self.conn)
- if DOM_STATE_MAP[dom.info()[0]] != 'shutoff':
+ if (bus_type not in HOTPLUG_TYPE and
+ DOM_STATE_MAP[dom.info()[0]] != 'shutoff'):
raise InvalidOperation('KCHVMSTOR0011E')
try:
conn = self.conn.get()
dom = conn.lookupByName(vm_name)
+ disk = _get_device_xml(dom, dev_name)
dom.detachDeviceFlags(etree.tostring(disk),
libvirt.VIR_DOMAIN_AFFECT_CURRENT)
except Exception as e:
--
1.8.3.2