def action(machineid, disks, iotune):
from CloudscalerLibcloud.utils.libvirtutil import LibvirtUtil
import libvirt
connection = LibvirtUtil()
domain = connection.get_domain_obj(machineid)
if domain is None:
return
domaindisks = list(connection.get_domain_disks(domain.XMLDesc()))
flags = []
if domain.isPersistent():
flags.append("--config")
if domain.state()[0] == libvirt.VIR_DOMAIN_RUNNING:
flags.append("--live")
for diskurl in disks:
dev = connection.get_domain_disk(diskurl, domaindisks)
if dev:
cmd = ["virsh", "blkdeviotune", str(machineid), str(dev)]
for key, value in iotune.items():
if value is not None:
cmd.extend(["--%s" % key, str(value)])
cmd.extend(flags)
j.system.process.execute(" ".join(cmd))
return True
def action(ovs_connection, size, diskguid, disk_info=None):
import json
# Creates a disk from a disk template
#
# ovs_connection: dict holding connection info for ovs restapi
# eg: { ips: ['ip1', 'ip2', 'ip3'], client_id: 'dsfgfs', client_secret: 'sadfafsdf'}
# size: size of the disk in GB
# diskguid: guid of the disk that needs to be used to update
# the volume.
# returns true if disk was resized. False if need to restart machine in order to reflect the changes
ovs = j.clients.openvstorage.get(
ips=ovs_connection["ips"],
credentials=(ovs_connection["client_id"],
ovs_connection["client_secret"]),
)
# Then resize to the correct size
path = "/vdisks/{}/extend".format(diskguid)
res = True
new_size = size * 1024**3
params = dict(new_size=new_size)
taskguid = ovs.post(path, data=json.dumps(params))
success, result = ovs.wait_for_task(taskguid)
if not success:
raise Exception("Could not update disk:\n{}".format(result))
if disk_info is not None and disk_info["machineRefId"] is not None:
# leave import here as this is only relevant when execute on cpu node
from CloudscalerLibcloud.utils.libvirtutil import LibvirtUtil
import libvirt
connection = LibvirtUtil()
domain = connection.get_domain_obj(disk_info["machineRefId"])
if domain:
domaindisks = list(connection.get_domain_disks(domain.XMLDesc()))
dev = connection.get_domain_disk(disk_info["referenceId"],
domaindisks)
try:
domain.blockResize(dev, new_size,
libvirt.VIR_DOMAIN_BLOCK_RESIZE_BYTES)
except:
res = False
return res