def attach_interface(params):
"""Attach a interface to domain from xml"""
logger = params['logger']
guestname = params['guestname']
macaddr = params['macaddr']
nicdriver = params['nicdriver']
xmlstr = params['xml']
conn = sharedmod.libvirtobj['conn']
domobj = conn.lookupByName(guestname)
logger.debug("interface xml:\n%s" % xmlstr)
iface_num1 = utils.dev_num(guestname, "interface")
logger.debug("original interface number: %s" %iface_num1)
# Attach interface to domain
try:
domobj.attachDeviceFlags(xmlstr, 0)
iface_num2 = utils.dev_num(guestname, "interface")
logger.debug("update interface number to %s" %iface_num2)
if check_attach_interface(iface_num1, iface_num2):
logger.info("current interface number: %s" %iface_num2)
else:
logger.error("fail to attach a interface to guest: %s" %iface_num2)
return 1
except libvirtError, e:
logger.error("API error message: %s, error code is %s" \
% (e.message, e.get_error_code()))
logger.error("attach a interface to guest %s" % guestname)
return 1
def detach_interface(params):
"""Detach a interface to domain from xml"""
logger = params['logger']
guestname = params['guestname']
macaddr = params['macaddr']
nicdriver = params['nicdriver']
xmlstr = params['xml']
macs = utils.get_dom_mac_addr(guestname)
mac_list = macs.split("\n")
logger.debug("mac address: \n%s" % macs)
conn = sharedmod.libvirtobj['conn']
domobj = conn.lookupByName(guestname)
logger.debug("interface xml:\n%s" % xmlstr)
iface_num1 = utils.dev_num(guestname, "interface")
logger.debug("original interface number: %s" % iface_num1)
try:
domobj.detachDevice(xmlstr)
iface_num2 = utils.dev_num(guestname, "interface")
logger.debug("update interface number to %s" % iface_num2)
if check_detach_interface(iface_num1, iface_num2):
logger.info("current interface number: %s" % iface_num2)
else:
logger.error("fail to detach a interface to guest: %s" %
iface_num2)
return 1
except libvirtError, e:
logger.error("API error message: %s, error code is %s" \
% (e.message, e.get_error_code()))
logger.error("detach the interface from guest %s" % guestname)
return 1
def attach_interface(params):
"""Attach a interface to domain from xml"""
logger = params['logger']
guestname = params['guestname']
macaddr = params['macaddr']
nicdriver = params['nicdriver']
xmlstr = params['xml']
conn = sharedmod.libvirtobj['conn']
domobj = conn.lookupByName(guestname)
logger.debug("interface xml:\n%s" % xmlstr)
iface_num1 = utils.dev_num(guestname, "interface")
logger.debug("original interface number: %s" % iface_num1)
# Attach interface to domain
try:
domobj.attachDeviceFlags(xmlstr, 0)
iface_num2 = utils.dev_num(guestname, "interface")
logger.debug("update interface number to %s" % iface_num2)
if check_attach_interface(iface_num1, iface_num2):
logger.info("current interface number: %s" % iface_num2)
else:
logger.error("fail to attach a interface to guest: %s" %
iface_num2)
return 1
except libvirtError, e:
logger.error("API error message: %s, error code is %s" \
% (e.message, e.get_error_code()))
logger.error("attach a interface to guest %s" % guestname)
return 1
def attach_disk(params):
"""Attach a disk to domain from xml"""
logger = params['logger']
guestname = params['guestname']
imageformat = params['imageformat']
hddriver = params['hddriver']
xmlstr = params['xml']
imagesize = int(params.get('imagesize', 1))
diskpath = params.get('diskpath', '/var/lib/libvirt/images/attacheddisk')
conn = sharedmod.libvirtobj['conn']
# Create image
if create_image(diskpath, imagesize, imageformat, logger):
logger.error("fail to create a image file")
return 1
domobj = conn.lookupByName(guestname)
if hddriver == 'virtio':
xmlstr = xmlstr.replace('DEV', 'vdb')
elif hddriver == 'ide':
xmlstr = xmlstr.replace('DEV', 'hdb')
elif hddriver == 'scsi':
xmlstr = xmlstr.replace('DEV', 'sdb')
logger.debug("disk xml:\n%s" % xmlstr)
disk_num1 = utils.dev_num(guestname, "disk")
logger.debug("original disk number: %s" % disk_num1)
# Attach disk to domain
try:
domobj.attachDevice(xmlstr)
disk_num2 = utils.dev_num(guestname, "disk")
logger.debug("update disk number to %s" % disk_num2)
if check_attach_disk(disk_num1, disk_num2):
logger.info("current disk number: %s\n" % disk_num2)
else:
logger.error("fail to attach a disk to guest: %s\n" % disk_num2)
return 1
except libvirtError as e:
logger.error("API error message: %s, error code is %s"
% (e.message, e.get_error_code()))
logger.error("attach %s disk to guest %s" % (diskpath, guestname))
return 1
return 0
def attach_disk(params):
"""Attach a disk to domain from xml"""
logger = params['logger']
guestname = params['guestname']
imageformat = params['imageformat']
hddriver = params['hddriver']
xmlstr = params['xml']
imagesize = int(params.get('imagesize', 1))
diskpath = params.get('diskpath', '/var/lib/libvirt/images/attacheddisk')
conn = sharedmod.libvirtobj['conn']
# Create image
if create_image(diskpath, imagesize, imageformat, logger):
logger.error("fail to create a image file")
return 1
domobj = conn.lookupByName(guestname)
if hddriver == 'virtio':
xmlstr = xmlstr.replace('DEV', 'vdb')
elif hddriver == 'ide':
xmlstr = xmlstr.replace('DEV', 'hdb')
elif hddriver == 'scsi':
xmlstr = xmlstr.replace('DEV', 'sdb')
logger.debug("disk xml:\n%s" % xmlstr)
disk_num1 = utils.dev_num(guestname, "disk")
logger.debug("original disk number: %s" % disk_num1)
# Attach disk to domain
try:
domobj.attachDevice(xmlstr)
disk_num2 = utils.dev_num(guestname, "disk")
logger.debug("update disk number to %s" % disk_num2)
if check_attach_disk(disk_num1, disk_num2):
logger.info("current disk number: %s\n" % disk_num2)
else:
logger.error("fail to attach a disk to guest: %s\n" % disk_num2)
return 1
except libvirtError as e:
logger.error("API error message: %s, error code is %s" %
(e.message, e.get_error_code()))
logger.error("attach %s disk to guest %s" % (diskpath, guestname))
return 1
return 0
def detach_disk(params):
"""Detach a disk to domain from xml"""
logger = params['logger']
guestname = params['guestname']
imageformat = params['imageformat']
hddriver = params['hddriver']
xmlstr = params['xml']
conn = sharedmod.libvirtobj['conn']
domobj = conn.lookupByName(guestname)
if hddriver == 'virtio':
xmlstr = xmlstr.replace('DEV', 'vdb')
elif hddriver == 'ide':
xmlstr = xmlstr.replace('DEV', 'hdb')
elif hddriver == 'scsi':
xmlstr = xmlstr.replace('DEV', 'sdb')
logger.debug("disk xml:\n%s" % xmlstr)
disk_num1 = utils.dev_num(guestname, "disk")
logger.debug("original disk number: %s" % disk_num1)
try:
domobj.detachDevice(xmlstr)
disk_num2 = utils.dev_num(guestname, "disk")
logger.debug("update disk number to %s" % disk_num2)
if check_detach_disk(disk_num1, disk_num2):
logger.info("current disk number: %s\n" % disk_num2)
else:
logger.error("fail to detach a disk to guest: %s\n" % disk_num2)
return 1
except libvirtError as e:
logger.error("API error message: %s, error code is %s"
% (e.message, e.get_error_code()))
logger.error("detach disk from guest %s" % guestname)
return 1
return 0
def detach_interface(params):
"""Detach a interface to domain from xml"""
logger = params['logger']
guestname = params['guestname']
macaddr = params['macaddr']
nicdriver = params['nicdriver']
xmlstr = params['xml']
macs = utils.get_dom_mac_addr(guestname)
mac_list = macs.split("\n")
logger.debug("mac address: \n%s" % macs)
conn = sharedmod.libvirtobj['conn']
domobj = conn.lookupByName(guestname)
logger.debug("interface xml:\n%s" % xmlstr)
iface_num1 = utils.dev_num(guestname, "interface")
logger.debug("original interface number: %s" % iface_num1)
try:
domobj.detachDevice(xmlstr)
iface_num2 = utils.dev_num(guestname, "interface")
logger.debug("update interface number to %s" % iface_num2)
if check_detach_interface(iface_num1, iface_num2):
logger.info("current interface number: %s" % iface_num2)
else:
logger.error("fail to detach a interface to guest: %s" %
iface_num2)
return 1
except libvirtError as e:
logger.error("API error message: %s, error code is %s"
% (e.message, e.get_error_code()))
logger.error("detach the interface from guest %s" % guestname)
return 1
return 0
