def __fetch_nodes(self):
new_nodes = []
hosts = self.rpc.hostpool_info()
hostnames = set([n.hostname for n in self.nodes.values()])
for host in hosts:
# CPU
# OpenNebula reports each CPU as "100"
# (so, a 4-core machine is reported as "400")
# We need to convert this to a multi-instance
# resource type in Haizea
cpu = host.max_cpu
ncpu = cpu / 100
enact_id = host.id
hostname = host.name
# We want to skip nodes we're already aware of ...
if hostname in hostnames:
continue
# ... and those in an error or disabled state ...
if host.state in (OpenNebulaHost.STATE_ERROR,
OpenNebulaHost.STATE_DISABLED):
continue
# ... and those were monitoring information is not yet available.
if cpu == 0:
self.logger.debug(
"Skipping node '%s' (monitoring information not yet available)"
% hostname)
continue
self.max_nod_id += 1
nod_id = self.max_nod_id
capacity = Capacity(
[constants.RES_CPU, constants.RES_MEM, constants.RES_DISK])
capacity.set_ninstances(constants.RES_CPU, ncpu)
for i in range(ncpu):
capacity.set_quantity_instance(constants.RES_CPU, i + 1, 100)
# Memory. Must divide by 1024 to obtain quantity in MB
capacity.set_quantity(constants.RES_MEM, host.max_mem / 1024.0)
# Disk
# OpenNebula doesn't report this correctly yet.
# We set it to an arbitrarily high value.
capacity.set_quantity(constants.RES_DISK, 80000)
node = ResourcePoolNode(nod_id, hostname, capacity)
node.enactment_info = enact_id
self.nodes[nod_id] = node
new_nodes.append(node)
self.logger.debug("Fetched node %i %s %s" %
(node.id, node.hostname, node.capacity))
return new_nodes
def __init__(self, bandwidth):
DeploymentEnactment.__init__(self)
self.logger = logging.getLogger("ENACT.SIMUL.INFO")
self.bandwidth = bandwidth
imgcapacity = Capacity([constants.RES_NETOUT])
imgcapacity.set_quantity(constants.RES_NETOUT, self.bandwidth)
# TODO: Determine node number based on site
self.imagenode = ResourcePoolNode(1000, "image_node", imgcapacity)
def __init__(self, bandwidth):
DeploymentEnactment.__init__(self)
self.logger = logging.getLogger("ENACT.SIMUL.INFO")
self.bandwidth = bandwidth
imgcapacity = Capacity([constants.RES_NETOUT])
imgcapacity.set_quantity(constants.RES_NETOUT, self.bandwidth)
# TODO: Determine node number based on site
self.imagenode = ResourcePoolNode(1000, "image_node", imgcapacity)
def __fetch_nodes(self):
new_nodes = []
hosts = self.rpc.hostpool_info()
hostnames = set([n.hostname for n in self.nodes.values()])
for host in hosts:
# CPU
# OpenNebula reports each CPU as "100"
# (so, a 4-core machine is reported as "400")
# We need to convert this to a multi-instance
# resource type in Haizea
cpu = host.max_cpu
ncpu = cpu / 100
enact_id = host.id
hostname = host.name
# We want to skip nodes we're already aware of ...
if hostname in hostnames:
continue
# ... and those in an error or disabled state ...
if host.state in (OpenNebulaHost.STATE_ERROR, OpenNebulaHost.STATE_DISABLED):
continue
# ... and those were monitoring information is not yet available.
if cpu == 0:
self.logger.debug("Skipping node '%s' (monitoring information not yet available)" % hostname)
continue
self.max_nod_id += 1
nod_id = self.max_nod_id
capacity = Capacity([constants.RES_CPU, constants.RES_MEM, constants.RES_DISK])
capacity.set_ninstances(constants.RES_CPU, ncpu)
for i in range(ncpu):
capacity.set_quantity_instance(constants.RES_CPU, i+1, 100)
# Memory. Must divide by 1024 to obtain quantity in MB
capacity.set_quantity(constants.RES_MEM, host.max_mem / 1024.0)
# Disk
# OpenNebula doesn't report this correctly yet.
# We set it to an arbitrarily high value.
capacity.set_quantity(constants.RES_DISK, 80000)
node = ResourcePoolNode(nod_id, hostname, capacity)
node.enactment_info = enact_id
self.nodes[nod_id] = node
new_nodes.append(node)
self.logger.debug("Fetched node %i %s %s" % (node.id, node.hostname, node.capacity))
return new_nodes
def __schedule_imagetransfer_edf(self, lease, musttransfer, earliest, nexttime):
# Estimate image transfer time
bandwidth = self.deployment_enact.get_bandwidth()
config = get_config()
mechanism = config.get("transfer-mechanism")
transfer_duration = self.__estimate_image_transfer_time(lease, bandwidth)
if mechanism == constants.TRANSFER_UNICAST:
transfer_duration *= len(musttransfer)
# Determine start time
start = self.__get_last_transfer_slot(lease.start.requested, transfer_duration)
if start == None or start < nexttime:
raise NotSchedulableException("Could not schedule the file transfer to complete in time.")
res = {}
resimgnode = Capacity([constants.RES_NETOUT])
resimgnode.set_quantity(constants.RES_NETOUT, bandwidth)
resnode = Capacity([constants.RES_NETIN])
resnode.set_quantity(constants.RES_NETIN, bandwidth)
res[self.imagenode.id] = self.slottable.create_resource_tuple_from_capacity(resimgnode)
for pnode in musttransfer.values():
res[pnode] = self.slottable.create_resource_tuple_from_capacity(resnode)
newtransfer = FileTransferResourceReservation(lease, res)
newtransfer.deadline = lease.start.requested
newtransfer.state = ResourceReservation.STATE_SCHEDULED
newtransfer.file = lease.software.image_id
newtransfer.start = start
newtransfer.end = start + transfer_duration
for vnode, pnode in musttransfer.items():
newtransfer.piggyback(lease, vnode, pnode)
bisect.insort(self.transfers, newtransfer)
return [newtransfer]
def __schedule_imagetransfer_fifo(self, lease, musttransfer, earliest):
# Estimate image transfer time
bandwidth = self.imagenode_bandwidth
config = get_config()
mechanism = config.get("transfer-mechanism")
# The starting time is the first available slot, which was
# included in the "earliest" dictionary.
pnodes = musttransfer.values()
start = earliest[pnodes[0]].transfer_start
transfer_duration = self.__estimate_image_transfer_time(
lease, bandwidth)
res = {}
resimgnode = Capacity([constants.RES_NETOUT])
resimgnode.set_quantity(constants.RES_NETOUT, bandwidth)
resnode = Capacity([constants.RES_NETIN])
resnode.set_quantity(constants.RES_NETIN, bandwidth)
res[self.imagenode.
id] = self.slottable.create_resource_tuple_from_capacity(
resimgnode)
for n in musttransfer.values():
res[n] = self.slottable.create_resource_tuple_from_capacity(
resnode)
newtransfer = FileTransferResourceReservation(lease, res)
newtransfer.start = start
if mechanism == constants.TRANSFER_UNICAST:
newtransfer.end = start + (len(musttransfer) * transfer_duration)
if mechanism == constants.TRANSFER_MULTICAST:
newtransfer.end = start + transfer_duration
newtransfer.deadline = None
newtransfer.state = ResourceReservation.STATE_SCHEDULED
newtransfer.file = lease.software.image_id
for vnode, pnode in musttransfer.items():
newtransfer.piggyback(lease.id, vnode, pnode)
bisect.insort(self.transfers, newtransfer)
return [newtransfer]
def __schedule_imagetransfer_edf(self, lease, musttransfer, earliest):
# Estimate image transfer time
bandwidth = self.deployment_enact.get_bandwidth()
config = get_config()
mechanism = config.get("transfer-mechanism")
transfer_duration = self.__estimate_image_transfer_time(
lease, bandwidth)
if mechanism == constants.TRANSFER_UNICAST:
transfer_duration *= len(musttransfer)
# Determine start time
start = self.__get_last_transfer_slot(lease.start.requested,
transfer_duration)
res = {}
resimgnode = Capacity([constants.RES_NETOUT])
resimgnode.set_quantity(constants.RES_NETOUT, bandwidth)
resnode = Capacity([constants.RES_NETIN])
resnode.set_quantity(constants.RES_NETIN, bandwidth)
res[self.imagenode.
id] = self.slottable.create_resource_tuple_from_capacity(
resimgnode)
for pnode in musttransfer.values():
res[pnode] = self.slottable.create_resource_tuple_from_capacity(
resnode)
newtransfer = FileTransferResourceReservation(lease, res)
newtransfer.deadline = lease.start.requested
newtransfer.state = ResourceReservation.STATE_SCHEDULED
newtransfer.file = lease.software.image_id
newtransfer.start = start
newtransfer.end = start + transfer_duration
for vnode, pnode in musttransfer.items():
newtransfer.piggyback(lease.id, vnode, pnode)
bisect.insort(self.transfers, newtransfer)
return [newtransfer]
def __gen_lease(self):
submit_time = None
user_id = None
res = self.config.get(LWFGenerator.NODES_SEC, LWFGenerator.RESOURCES_OPT)
res = Capacity.from_resources_string(res)
numnodes = self._get_numnodes(None)
requested_resources = dict([(i+1,res) for i in xrange(numnodes)])
start, delta = self._get_start(self.start_type, None)
start = Timestamp(TimeDelta(seconds=start))
duration = self._get_duration()
duration = Duration(TimeDelta(seconds=duration))
deadline = None
preemptible = False
software = self._get_software()
l = Lease.create_new(submit_time, user_id, requested_resources,
start, duration, deadline, preemptible, software)
return l
def __schedule_imagetransfer_fifo(self, lease, musttransfer, earliest):
# Estimate image transfer time
bandwidth = self.imagenode_bandwidth
config = get_config()
mechanism = config.get("transfer-mechanism")
# The starting time is the first available slot, which was
# included in the "earliest" dictionary.
pnodes = musttransfer.values()
start = earliest[pnodes[0]].transfer_start
transfer_duration = self.__estimate_image_transfer_time(lease, bandwidth)
res = {}
resimgnode = Capacity([constants.RES_NETOUT])
resimgnode.set_quantity(constants.RES_NETOUT, bandwidth)
resnode = Capacity([constants.RES_NETIN])
resnode.set_quantity(constants.RES_NETIN, bandwidth)
res[self.imagenode.id] = self.slottable.create_resource_tuple_from_capacity(resimgnode)
for n in musttransfer.values():
res[n] = self.slottable.create_resource_tuple_from_capacity(resnode)
newtransfer = FileTransferResourceReservation(lease, res)
newtransfer.start = start
if mechanism == constants.TRANSFER_UNICAST:
newtransfer.end = start + (len(musttransfer) * transfer_duration)
if mechanism == constants.TRANSFER_MULTICAST:
newtransfer.end = start + transfer_duration
newtransfer.deadline = None
newtransfer.state = ResourceReservation.STATE_SCHEDULED
newtransfer.file = lease.software.image_id
for vnode, pnode in musttransfer.items():
newtransfer.piggyback(lease, vnode, pnode)
bisect.insort(self.transfers, newtransfer)
return [newtransfer]
def schedule_migration(self, lease, vmrr, nexttime):
if type(lease.software) == UnmanagedSoftwareEnvironment:
return []
# This code is the same as the one in vm_scheduler
# Should be factored out
last_vmrr = lease.get_last_vmrr()
vnode_migrations = dict([(vnode, (last_vmrr.nodes[vnode],
vmrr.nodes[vnode]))
for vnode in vmrr.nodes])
mustmigrate = False
for vnode in vnode_migrations:
if vnode_migrations[vnode][0] != vnode_migrations[vnode][1]:
mustmigrate = True
break
if not mustmigrate:
return []
if get_config().get("migration") == constants.MIGRATE_YES_NOTRANSFER:
start = nexttime
end = nexttime
res = {}
migr_rr = DiskImageMigrationResourceReservation(
lease, start, end, res, vmrr, vnode_migrations)
migr_rr.state = ResourceReservation.STATE_SCHEDULED
return [migr_rr]
# Figure out what migrations can be done simultaneously
migrations = []
while len(vnode_migrations) > 0:
pnodes = set()
migration = {}
for vnode in vnode_migrations:
origin = vnode_migrations[vnode][0]
dest = vnode_migrations[vnode][1]
if not origin in pnodes and not dest in pnodes:
migration[vnode] = vnode_migrations[vnode]
pnodes.add(origin)
pnodes.add(dest)
for vnode in migration:
del vnode_migrations[vnode]
migrations.append(migration)
# Create migration RRs
start = max(last_vmrr.post_rrs[-1].end, nexttime)
bandwidth = self.resourcepool.info.get_migration_bandwidth()
migr_rrs = []
for m in migrations:
mb_to_migrate = lease.software.image_size * len(m.keys())
migr_time = estimate_transfer_time(mb_to_migrate, bandwidth)
end = start + migr_time
res = {}
for (origin, dest) in m.values():
resorigin = Capacity([constants.RES_NETOUT])
resorigin.set_quantity(constants.RES_NETOUT, bandwidth)
resdest = Capacity([constants.RES_NETIN])
resdest.set_quantity(constants.RES_NETIN, bandwidth)
res[origin] = self.slottable.create_resource_tuple_from_capacity(
resorigin)
res[dest] = self.slottable.create_resource_tuple_from_capacity(
resdest)
migr_rr = DiskImageMigrationResourceReservation(
lease, start, start + migr_time, res, vmrr, m)
migr_rr.state = ResourceReservation.STATE_SCHEDULED
migr_rrs.append(migr_rr)
start = end
return migr_rrs
def add_physical_node_clicked_callback(self, *args):
try:
count = int(self.builder.get_object('num_nodes').get_text())
cpu = int(self.builder.get_object('nodeset_cpu').get_text())
mem = int(self.builder.get_object('nodeset_memory').get_text())
disk = int(self.builder.get_object('nodeset_disk').get_text())
net_in = int(self.builder.get_object('nodeset_net_in').get_text())
net_out = int(
self.builder.get_object('nodeset_net_out').get_text())
capacity = Capacity(['Net-in', 'Net-out', 'Disk', 'CPU', 'Memory'])
capacity.set_quantity('Net-in', net_in)
capacity.set_quantity('Net-out', net_out)
capacity.set_quantity('Disk', disk)
capacity.set_quantity('CPU', cpu)
capacity.set_quantity('Memory', mem)
self.site.nodes.node_sets.append((count, capacity))
self.reload_physical_nodes()
except:
pass
def run(self):
self.parse_options()
if self.opt.file != None:
lease_elem = ET.parse(self.opt.file).getroot()
# If a relative starting time is used, replace for an
# absolute starting time.
exact = lease.find("start/exact")
if exact != None:
exact_time = exact.get("time")
exact.set("time", str(self.__absolute_time(exact_time)))
lease_xml_str = ET.tostring(lease_elem)
else:
if self.opt.preemptible == None:
preemptible = False
else:
preemptible = self.opt.preemptible
capacity = Capacity([constants.RES_CPU, constants.RES_MEM])
capacity.set_quantity(constants.RES_CPU, int(self.opt.cpu) * 100)
capacity.set_quantity(constants.RES_MEM, int(self.opt.mem))
requested_resources = dict([(i + 1, capacity)
for i in range(self.opt.numnodes)])
if self.opt.duration == haizea_request_lease.DURATION_UNLIMITED:
# This is an interim solution (make it run for a century).
# TODO: Integrate concept of unlimited duration in the lease datastruct
duration = DateTimeDelta(36500)
else:
duration = ISO.ParseTimeDelta(self.opt.duration)
if self.opt.start == haizea_request_lease.START_NOW:
lease = Lease(lease_id=None,
submit_time=None,
requested_resources=requested_resources,
start=Timestamp(Timestamp.NOW),
duration=Duration(duration),
deadline=None,
preemptible=preemptible,
software=DiskImageSoftwareEnvironment(
self.opt.vmimage, self.opt.vmimagesize),
state=None)
elif self.opt.start == haizea_request_lease.START_BESTEFFORT:
lease = Lease(lease_id=None,
submit_time=None,
requested_resources=requested_resources,
start=Timestamp(Timestamp.UNSPECIFIED),
duration=Duration(duration),
deadline=None,
preemptible=preemptible,
software=DiskImageSoftwareEnvironment(
self.opt.vmimage, self.opt.vmimagesize),
state=None)
else:
start = self.__absolute_time(self.opt.start)
lease = Lease(lease_id=None,
submit_time=None,
requested_resources=requested_resources,
start=Timestamp(start),
duration=Duration(duration),
deadline=None,
preemptible=preemptible,
software=DiskImageSoftwareEnvironment(
self.opt.vmimage, self.opt.vmimagesize),
state=None)
lease_xml_str = ET.tostring(lease.to_xml())
server = self.create_rpc_proxy(self.opt.server)
try:
lease_id = server.create_lease(lease_xml_str)
print "Lease submitted correctly."
print "Lease ID: %i" % lease_id
except xmlrpclib.Fault, err:
print >> sys.stderr, "XMLRPC fault: %s" % err.faultString
if self.opt.debug:
raise
def add_physical_node_clicked_callback(self, *args):
try:
count = int(self.builder.get_object('num_nodes').get_text())
cpu = int(self.builder.get_object('nodeset_cpu').get_text())
mem = int(self.builder.get_object('nodeset_memory').get_text())
disk = int(self.builder.get_object('nodeset_disk').get_text())
net_in = int(self.builder.get_object('nodeset_net_in').get_text())
net_out = int(self.builder.get_object('nodeset_net_out').get_text())
capacity = Capacity(['Net-in', 'Net-out', 'Disk', 'CPU', 'Memory'])
capacity.set_quantity('Net-in', net_in)
capacity.set_quantity('Net-out', net_out)
capacity.set_quantity('Disk', disk)
capacity.set_quantity('CPU', cpu)
capacity.set_quantity('Memory', mem)
self.site.nodes.node_sets.append((count,capacity))
self.reload_physical_nodes()
except:
pass
def test_resource_tuple(self):
multiinst = [(constants.RES_CPU,ResourceTuple.MULTI_INSTANCE),(constants.RES_MEM,ResourceTuple.SINGLE_INSTANCE)]
self.slottable = SlotTable(multiinst)
c1_100 = Capacity([constants.RES_CPU,constants.RES_MEM])
c1_100.set_quantity(constants.RES_CPU, 100)
c1_100.set_quantity(constants.RES_MEM, 1024)
c1_100 = self.slottable.create_resource_tuple_from_capacity(c1_100)
c2_100 = Capacity([constants.RES_CPU,constants.RES_MEM])
c2_100.set_ninstances(constants.RES_CPU, 2)
c2_100.set_quantity_instance(constants.RES_CPU, 1, 100)
c2_100.set_quantity_instance(constants.RES_CPU, 2, 100)
c2_100.set_quantity(constants.RES_MEM, 1024)
c2_100 = self.slottable.create_resource_tuple_from_capacity(c2_100)
c1_50 = Capacity([constants.RES_CPU,constants.RES_MEM])
c1_50.set_quantity(constants.RES_CPU, 50)
c1_50.set_quantity(constants.RES_MEM, 1024)
c1_50 = self.slottable.create_resource_tuple_from_capacity(c1_50)
c2_50 = Capacity([constants.RES_CPU,constants.RES_MEM])
c2_50.set_ninstances(constants.RES_CPU, 2)
c2_50.set_quantity_instance(constants.RES_CPU, 1, 50)
c2_50.set_quantity_instance(constants.RES_CPU, 2, 50)
c2_50.set_quantity(constants.RES_MEM, 1024)
c2_50 = self.slottable.create_resource_tuple_from_capacity(c2_50)
assert c1_100.fits_in(c2_100)
assert not c1_100.fits_in(c1_50)
assert not c1_100.fits_in(c2_50)
assert not c2_100.fits_in(c1_100)
assert not c2_100.fits_in(c1_50)
assert not c2_100.fits_in(c2_50)
assert c1_50.fits_in(c1_100)
assert c1_50.fits_in(c2_100)
assert c1_50.fits_in(c2_50)
assert c2_50.fits_in(c1_100)
assert c2_50.fits_in(c2_100)
assert not c2_50.fits_in(c1_50)
empty = self.slottable.create_empty_resource_tuple()
empty.incr(c2_100)
assert empty._single_instance[0] == 1024
assert empty._multi_instance[1] == [100,100]
empty = self.slottable.create_empty_resource_tuple()
empty.incr(c1_100)
assert empty._single_instance[0] == 1024
assert empty._multi_instance[1] == [100]
empty.incr(c1_100)
assert empty._single_instance[0] == 2048
assert empty._multi_instance[1] == [100,100]
empty = self.slottable.create_empty_resource_tuple()
empty.incr(c1_100)
assert empty._single_instance[0] == 1024
assert empty._multi_instance[1] == [100]
empty.incr(c1_50)
assert empty._single_instance[0] == 2048
assert empty._multi_instance[1] == [100,50]
c1_100a = ResourceTuple.copy(c1_100)
c1_100a.decr(c1_50)
assert c1_100a._single_instance[0] == 0
assert c1_100a._multi_instance[1] == [50]
c2_100a = ResourceTuple.copy(c2_100)
c2_100a._single_instance[0] = 2048
c2_100a.decr(c1_50)
assert c2_100a._single_instance[0] == 1024
assert c2_100a._multi_instance[1] == [50,100]
c2_100a.decr(c1_50)
assert c2_100a._single_instance[0] == 0
assert c2_100a._multi_instance[1] == [0,100]
c2_100a = ResourceTuple.copy(c2_100)
c2_100a._single_instance[0] = 2048
c2_100a.decr(c2_50)
assert c2_100a._single_instance[0] == 1024
assert c2_100a._multi_instance[1] == [0,100]
c2_100a.decr(c2_50)
assert c2_100a._single_instance[0] == 0
assert c2_100a._multi_instance[1] == [0,0]
def create_capacities(slottable):
FULL_NODE = Capacity([constants.RES_CPU,constants.RES_MEM])
FULL_NODE.set_quantity(constants.RES_CPU, 100)
FULL_NODE.set_quantity(constants.RES_MEM, 1024)
FULL_NODE = slottable.create_resource_tuple_from_capacity(FULL_NODE)
HALF_NODE = Capacity([constants.RES_CPU,constants.RES_MEM])
HALF_NODE.set_quantity(constants.RES_CPU, 50)
HALF_NODE.set_quantity(constants.RES_MEM, 512)
HALF_NODE = slottable.create_resource_tuple_from_capacity(HALF_NODE)
QRTR_NODE = Capacity([constants.RES_CPU,constants.RES_MEM])
QRTR_NODE.set_quantity(constants.RES_CPU, 25)
QRTR_NODE.set_quantity(constants.RES_MEM, 256)
QRTR_NODE = slottable.create_resource_tuple_from_capacity(QRTR_NODE)
EMPT_NODE = slottable.create_empty_resource_tuple()
return FULL_NODE, HALF_NODE, QRTR_NODE, EMPT_NODE
def __init__(self, opennebula_vm):
# If there is no HAIZEA parameter, the default is to treat the
# request as an immediate request with unlimited duration
if not opennebula_vm.template.has_key(OpenNebulaHaizeaVM.HAIZEA_PARAM):
self.start = OpenNebulaHaizeaVM.HAIZEA_START_NOW
self.duration = OpenNebulaHaizeaVM.HAIZEA_DURATION_UNLIMITED
self.preemptible = OpenNebulaHaizeaVM.HAIZEA_PREEMPTIBLE_NO
self.group = None
else:
self.start = opennebula_vm.template[OpenNebulaHaizeaVM.HAIZEA_PARAM][OpenNebulaHaizeaVM.HAIZEA_START]
self.duration = opennebula_vm.template[OpenNebulaHaizeaVM.HAIZEA_PARAM][OpenNebulaHaizeaVM.HAIZEA_DURATION]
self.preemptible = opennebula_vm.template[OpenNebulaHaizeaVM.HAIZEA_PARAM][OpenNebulaHaizeaVM.HAIZEA_PREEMPTIBLE]
if opennebula_vm.template[OpenNebulaHaizeaVM.HAIZEA_PARAM].has_key(OpenNebulaHaizeaVM.HAIZEA_GROUP):
self.group = opennebula_vm.template[OpenNebulaHaizeaVM.HAIZEA_PARAM][OpenNebulaHaizeaVM.HAIZEA_GROUP]
else:
self.group = None
self.submit_time = UNIX2DateTime(opennebula_vm.stime)
# Create Timestamp object
if self.start == OpenNebulaHaizeaVM.HAIZEA_START_NOW:
self.start = Timestamp(Timestamp.NOW)
elif self.start == OpenNebulaHaizeaVM.HAIZEA_START_BESTEFFORT:
self.start = Timestamp(Timestamp.UNSPECIFIED)
elif self.start[0] == "+":
# Relative time
self.start = Timestamp(round_datetime(self.submit_time + ISO.ParseTime(self.start[1:])))
else:
self.start = Timestamp(ISO.ParseDateTime(self.start))
# Create Duration object
if self.duration == OpenNebulaHaizeaVM.HAIZEA_DURATION_UNLIMITED:
# This is an interim solution (make it run for a century).
# TODO: Integrate concept of unlimited duration in the lease datastruct
self.duration = Duration(DateTimeDelta(36500))
else:
self.duration = Duration(ISO.ParseTimeDelta(self.duration))
self.preemptible = (self.preemptible == OpenNebulaHaizeaVM.HAIZEA_PREEMPTIBLE_YES)
self.capacity = Capacity([constants.RES_CPU, constants.RES_MEM, constants.RES_DISK])
# CPU
# CPUs in VMs are not reported the same as in hosts.
# THere are two template values: CPU and VCPU.
# CPU reports the percentage of the CPU needed by the VM.
# VCPU, which is optional, reports how many CPUs are needed.
cpu = int(float(opennebula_vm.template["CPU"]) * 100)
if opennebula_vm.template.has_key("VCPU"):
ncpu = int(opennebula_vm.template["VCPU"])
else:
ncpu = 1
self.capacity.set_ninstances(constants.RES_CPU, ncpu)
for i in range(ncpu):
self.capacity.set_quantity_instance(constants.RES_CPU, i+1, cpu)
# Memory. Unlike hosts, memory is reported directly in MBs
self.capacity.set_quantity(constants.RES_MEM, int(opennebula_vm.template["MEMORY"]))
self.one_id = opennebula_vm.id
def schedule_migration(self, lease, vmrr, nexttime):
if type(lease.software) == UnmanagedSoftwareEnvironment:
return []
# This code is the same as the one in vm_scheduler
# Should be factored out
last_vmrr = lease.get_last_vmrr()
vnode_mappings = self.resourcepool.get_disk_image_mappings(lease)
vnode_migrations = dict([(vnode, (vnode_mappings[vnode], vmrr.nodes[vnode])) for vnode in vmrr.nodes if vnode_mappings[vnode] != vmrr.nodes[vnode]])
mustmigrate = False
for vnode in vnode_migrations:
if vnode_migrations[vnode][0] != vnode_migrations[vnode][1]:
mustmigrate = True
break
if not mustmigrate:
return []
if get_config().get("migration") == constants.MIGRATE_YES_NOTRANSFER:
start = nexttime
end = nexttime
res = {}
migr_rr = DiskImageMigrationResourceReservation(lease, start, end, res, vmrr, vnode_migrations)
migr_rr.state = ResourceReservation.STATE_SCHEDULED
return [migr_rr]
# Figure out what migrations can be done simultaneously
migrations = []
while len(vnode_migrations) > 0:
pnodes = set()
migration = {}
for vnode in vnode_migrations:
origin = vnode_migrations[vnode][0]
dest = vnode_migrations[vnode][1]
if not origin in pnodes and not dest in pnodes:
migration[vnode] = vnode_migrations[vnode]
pnodes.add(origin)
pnodes.add(dest)
for vnode in migration:
del vnode_migrations[vnode]
migrations.append(migration)
# Create migration RRs
start = max(last_vmrr.post_rrs[-1].end, nexttime)
bandwidth = self.resourcepool.info.get_migration_bandwidth()
migr_rrs = []
for m in migrations:
mb_per_physnode = {}
for vnode, (pnode_from, pnode_to) in m.items():
mb_per_physnode[pnode_from] = mb_per_physnode.setdefault(pnode_from, 0) + lease.software.image_size
max_mb_to_migrate = max(mb_per_physnode.values())
migr_time = estimate_transfer_time(max_mb_to_migrate, bandwidth)
end = start + migr_time
res = {}
for (origin,dest) in m.values():
resorigin = Capacity([constants.RES_NETOUT])
resorigin.set_quantity(constants.RES_NETOUT, bandwidth)
resdest = Capacity([constants.RES_NETIN])
resdest.set_quantity(constants.RES_NETIN, bandwidth)
res[origin] = self.slottable.create_resource_tuple_from_capacity(resorigin)
res[dest] = self.slottable.create_resource_tuple_from_capacity(resdest)
migr_rr = DiskImageMigrationResourceReservation(lease, start, start + migr_time, res, vmrr, m)
migr_rr.state = ResourceReservation.STATE_SCHEDULED
migr_rrs.append(migr_rr)
start = end
return migr_rrs
def run(self):
self.parse_options()
if self.opt.file != None:
lease_elem = ET.parse(self.opt.file).getroot()
# If a relative starting time is used, replace for an
# absolute starting time.
exact = lease.find("start/exact")
if exact != None:
exact_time = exact.get("time")
exact.set("time", str(self.__absolute_time(exact_time)))
lease_xml_str = ET.tostring(lease_elem)
else:
if self.opt.preemptible == None:
preemptible = False
else:
preemptible = self.opt.preemptible
capacity = Capacity([constants.RES_CPU, constants.RES_MEM])
capacity.set_quantity(constants.RES_CPU, int(self.opt.cpu) * 100)
capacity.set_quantity(constants.RES_MEM, int(self.opt.mem))
requested_resources = dict([(i+1, capacity) for i in range(self.opt.numnodes)])
if self.opt.duration == haizea_request_lease.DURATION_UNLIMITED:
# This is an interim solution (make it run for a century).
# TODO: Integrate concept of unlimited duration in the lease datastruct
duration = DateTimeDelta(36500)
else:
duration = ISO.ParseTimeDelta(self.opt.duration)
if self.opt.start == haizea_request_lease.START_NOW:
lease = Lease(lease_id = None,
submit_time = None,
requested_resources = requested_resources,
start = Timestamp(Timestamp.NOW),
duration = Duration(duration),
deadline = None,
preemptible=preemptible,
software = DiskImageSoftwareEnvironment(self.opt.vmimage, self.opt.vmimagesize),
state = None
)
elif self.opt.start == haizea_request_lease.START_BESTEFFORT:
lease = Lease(lease_id = None,
submit_time = None,
requested_resources = requested_resources,
start = Timestamp(Timestamp.UNSPECIFIED),
duration = Duration(duration),
deadline = None,
preemptible=preemptible,
software = DiskImageSoftwareEnvironment(self.opt.vmimage, self.opt.vmimagesize),
state = None
)
else:
start = self.__absolute_time(self.opt.start)
lease = Lease(lease_id = None,
submit_time = None,
requested_resources = requested_resources,
start = Timestamp(start),
duration = Duration(duration),
deadline = None,
preemptible=preemptible,
software = DiskImageSoftwareEnvironment(self.opt.vmimage, self.opt.vmimagesize),
state = None
)
lease_xml_str = ET.tostring(lease.to_xml())
server = self.create_rpc_proxy(self.opt.server)
try:
lease_id = server.create_lease(lease_xml_str)
print "Lease submitted correctly."
print "Lease ID: %i" % lease_id
except xmlrpclib.Fault, err:
print >> sys.stderr, "XMLRPC fault: %s" % err.faultString
if self.opt.debug:
raise
