def __init__(self):
LOG.info(_("Physical driver __init__"))
if not FLAGS.physical_deploy_kernel:
raise exception.NovaException('physical_deploy_kernel is not defined')
if not FLAGS.physical_deploy_ramdisk:
raise exception.NovaException('physical_deploy_ramdisk is not defined')
self._vif_driver = utils.import_object(FLAGS.physical_vif_driver)
if FLAGS.physical_enable_firewall:
self._firewall_driver = QuantumFilterFirewall()
else:
self._firewall_driver = DisabledQuantumFilterFirewall()
class PhysicalConnection(driver.ComputeDriver):
"""Physical hypervisor driver"""
def _get_dhcp_hosts(self, context):
"""Get network's hosts config in dhcp-host format."""
hosts = []
for ph in self._get_phy_hosts(context):
ip = db.phy_pxe_ip_get_by_phy_host_id(context, ph.id)
if ip:
hosts.append(_host_dhcp(ph.pxe_mac_address, "phyhost-%s" % ph.id, ip.address))
return '\n'.join(hosts)
def __init__(self):
LOG.info(_("Physical driver __init__"))
if not FLAGS.physical_deploy_kernel:
raise exception.NovaException('physical_deploy_kernel is not defined')
if not FLAGS.physical_deploy_ramdisk:
raise exception.NovaException('physical_deploy_ramdisk is not defined')
self._vif_driver = utils.import_object(FLAGS.physical_vif_driver)
if FLAGS.physical_enable_firewall:
self._firewall_driver = QuantumFilterFirewall()
else:
self._firewall_driver = DisabledQuantumFilterFirewall()
@classmethod
def instance(cls):
if not hasattr(cls, '_instance'):
cls._instance = cls()
return cls._instance
def init_host(self, host):
return
def list_instances(self):
l = []
ctx = nova_context.get_admin_context()
for i in self._get_phy_hosts(ctx):
if i.instance:
l.append(i.instance.name)
return l
def list_instances_detail(self):
l = []
ctx = nova_context.get_admin_context()
for i in self._get_phy_hosts(ctx):
if i.instance:
pm = _get_ipmi(i.ipmi_address, i.ipmi_user, i.ipmi_password)
ps = power_state.SHUTOFF
if pm.is_power_on():
ps = power_state.RUNNING
ii = driver.InstanceInfo(i.instance.name, ps)
l.append(ii)
return l
def _get_phy_hosts(self, context):
service = db.service_get_by_host_and_topic(context, FLAGS.host, "compute")
if not service:
LOG.warn("Could not get service_get_by_host_and_topic host=%s topic=%s", FLAGS.host, "compute")
return []
phy_hosts = db.phy_host_get_all(context)
hosts = []
for i in phy_hosts:
if i.service_id == service.id:
hosts.append(i)
return hosts
def _get_phy_host_by_instance_id(self, instance_id):
ctx = nova_context.get_admin_context()
for i in self._get_phy_hosts(ctx):
if not i.instance:
continue
try:
if i.instance.id == instance_id:
return i
except exception.InstanceNotFound:
continue
return None
def _get_phy_host_by_instance_name(self, instance_name):
ctx = nova_context.get_admin_context()
for i in self._get_phy_hosts(ctx):
if not i.instance:
continue
try:
if i.instance.name == instance_name:
return i
except exception.InstanceNotFound:
continue
return None
def _find_suitable_phy_host(self, context, instance):
result = None
for i in self._get_phy_hosts(context):
if i.instance_id:
continue
if i.registration_status != 'done':
continue
if i.cpus < instance.vcpus:
continue
if i.memory_mb < instance.memory_mb:
continue
if result == None:
result = i
else:
if i.cpus < result.cpus:
result = i
elif i.cpus == result.cpus and i.memory_mb < result.memory_mb:
result = i
return result
def spawn(self, context, instance, image_meta,
network_info=None, block_device_info=None):
LOG.debug("spawn:")
LOG.debug("instance=%s", instance.__dict__)
LOG.debug("image_meta=%s", image_meta)
LOG.debug("network_info=%s", network_info)
LOG.debug("block_device_info=%s", block_device_info)
# TODO: handle block devices
host = self._find_suitable_phy_host(context, instance)
if not host:
LOG.info("no suitable physical host found")
raise NoSuitablePhyHost()
db.phy_host_update(context, host['id'],
{'instance_id': instance['id'],
'task_state' : physical_states.BUILDING,
})
nics_in_order = []
pifs = db.phy_interface_get_all_by_phy_host_id(context, host['id'])
for pif in pifs:
nics_in_order.append(pif['address'])
if pif.vif_uuid:
db.phy_interface_set_vif_uuid(context, pif.id, None)
nics_in_order.append(host['pxe_mac_address'])
image_root = os.path.join(FLAGS.instances_path, instance['name'])
tftp_root = FLAGS.physical_tftp_root
os.mkdir(image_root)
if FLAGS.physical_pxe_vlan_per_host:
parent_interface = FLAGS.physical_pxe_parent_interface
pxe_ip_id = db.phy_pxe_ip_associate(context, host.id)
pxe_ip = db.phy_pxe_ip_get(context, pxe_ip_id)
vlan_num = host.pxe_vlan_id
server_address = pxe_ip.server_address
client_address = pxe_ip.address
tftp_root = os.path.join(tftp_root, str(instance['id']))
pxe_interface = vlan.ensure_vlan(vlan_num, parent_interface)
from nova.network import linux_net
chain = 'phy-%s' % pxe_interface
iptables = linux_net.iptables_manager
iptables.ipv4['filter'].add_chain(chain)
iptables.ipv4['filter'].add_rule('INPUT', '-i %s -j $%s' % (pxe_interface, chain))
iptables.ipv4['filter'].add_rule(chain, '--proto udp --sport=68 --dport=67 -j ACCEPT')
iptables.ipv4['filter'].add_rule(chain, '-s %s -j ACCEPT' % client_address)
iptables.ipv4['filter'].add_rule(chain, '-j DROP')
iptables.apply()
#execute('ip', 'address',
# 'add', server_address,
# 'peer', client_address,
# 'dev', pxe_interface,
# run_as_root=True)
#execute('ip', 'link', 'set', pxe_interface, 'up', run_as_root=True)
execute('ip', 'address',
'add', server_address + '/24',
'dev', pxe_interface,
run_as_root=True)
execute('ip', 'route', 'add',
client_address, 'scope', 'host', 'dev', pxe_interface,
run_as_root=True)
os.mkdir(tftp_root)
shutil.copyfile(FLAGS.physical_pxelinux_path, os.path.join(tftp_root, 'pxelinux.0'))
os.mkdir(os.path.join(tftp_root, 'pxelinux.cfg'))
pxe.start_pxe_server(interface=pxe_interface,
tftp_root=tftp_root,
client_address=client_address,
pid_path=_dnsmasq_pid_path(pxe_interface),
lease_path=_dnsmasq_lease_path(pxe_interface))
self.plug_vifs(instance, network_info)
ifcfgs = []
if_num = -1
for (network,mapping) in network_info:
LOG.debug("mapping['mac'] = %s", mapping['mac'])
if_num += 1
device = "eth%d" % if_num
pif = db.phy_interface_get_by_vif_uuid(context, mapping['vif_uuid'])
if not pif:
LOG.warn("vif_uuid:%s dose not associated to pif, unexpectedly", mapping['vif_uuid'])
continue
ifcfg = _build_ifcfg_string_from_mapping(device, pif.address, mapping)
if FLAGS.physical_use_unsafe_vlan and mapping['should_create_vlan'] and network.get('vlan'):
ifcfg += "," + network['vlan']
LOG.debug("ifcfg: %s", ifcfg)
ifcfgs.append(ifcfg)
self._firewall_driver.setup_basic_filtering(instance, network_info)
self._firewall_driver.update_instance_filter(instance, network_info)
ami_id = str(image_meta['id'])
aki_id = str(instance['kernel_id'])
ari_id = str(instance['ramdisk_id'])
deploy_aki_id = FLAGS.physical_deploy_kernel
deploy_ari_id = FLAGS.physical_deploy_ramdisk
image_target = os.path.join(image_root, ami_id)
kernel_target = os.path.join(tftp_root, aki_id)
ramdisk_target = os.path.join(tftp_root, ari_id)
deploy_kernel_target = os.path.join(tftp_root, deploy_aki_id)
deploy_ramdisk_target = os.path.join(tftp_root, deploy_ari_id)
LOG.debug("fetching image id=%s target=%s", ami_id, image_target)
self._cache_image_x(context=context,
target=image_target,
image_id=ami_id,
user_id=instance['user_id'],
project_id=instance['project_id'])
LOG.debug("injecting to image id=%s target=%s", ami_id, image_target)
self._inject_to_image(image_target, instance, network_info, nics_in_order)
LOG.debug("fetching kernel id=%s target=%s", aki_id, kernel_target)
self._cache_image_x(context=context,
image_id=aki_id,
target=kernel_target,
user_id=instance['user_id'],
project_id=instance['project_id'])
LOG.debug("fetching ramdisk id=%s target=%s", ari_id, ramdisk_target)
self._cache_image_x(context=context,
image_id=ari_id,
target=ramdisk_target,
user_id=instance['user_id'],
project_id=instance['project_id'])
LOG.debug("fetching deploy_kernel id=%s target=%s", aki_id, kernel_target)
self._cache_image_x(context=context,
image_id=deploy_aki_id,
target=deploy_kernel_target,
user_id=instance['user_id'],
project_id=instance['project_id'])
LOG.debug("fetching deploy_ramdisk id=%s target=%s", ari_id, ramdisk_target)
self._cache_image_x(context=context,
image_id=deploy_ari_id,
target=deploy_ramdisk_target,
user_id=instance['user_id'],
project_id=instance['project_id'])
LOG.debug("fetching images all done")
pxe_config_path = os.path.join(tftp_root, 'pxelinux.cfg', "01-" + host.pxe_mac_address.replace(":", "-").lower())
root_mb = instance['root_gb'] * 1024
inst_type_id = instance['instance_type_id']
inst_type = instance_types.get_instance_type(inst_type_id)
swap_mb = inst_type['swap']
if swap_mb < 1024:
swap_mb = 1024
deployment_key = _random_alnum(32)
deployment_id = db.phy_deployment_create(context, deployment_key, image_target, pxe_config_path, root_mb, swap_mb)
# 'default deploy' will be replaced to 'default boot' by phy_deploy_work
pxeconf = "default deploy\n"
pxeconf += "\n"
pxeconf += "label deploy\n"
pxeconf += "kernel %s\n" % deploy_aki_id
pxeconf += "append"
pxeconf += " initrd=%s" % deploy_ari_id
pxeconf += " selinux=0"
pxeconf += " disk=cciss/c0d0,sda,hda"
pxeconf += " iscsi_target_iqn=iqn-%s" % str(instance['uuid'])
pxeconf += " deployment_id=%s" % deployment_id
pxeconf += " deployment_key=%s" % deployment_key
pxeconf += "\n"
pxeconf += "ipappend 3\n"
pxeconf += "\n"
pxeconf += "label boot\n"
pxeconf += "kernel %s\n" % aki_id
pxeconf += "append"
pxeconf += " initrd=%s" % ari_id
# ${ROOT} will be replaced to UUID=... by phy_deploy_work
pxeconf += " root=${ROOT} ro"
pxeconf += "\n"
pxeconf += "\n"
f = open(pxe_config_path, 'w')
f.write(pxeconf)
f.close()
if not host.ipmi_address:
LOG.warn("Since ipmi_address is empty, power_off_on is not performed")
LOG.debug("power on")
pm = _get_ipmi(host.ipmi_address, host.ipmi_user, host.ipmi_password)
state = pm.power_off()
self._update_physical_state(context, host, instance, state)
state = pm.power_on()
self._update_physical_state(context, host, instance, state)
if FLAGS.physical_console:
(out,err) = execute(FLAGS.physical_console,
'--ipmi_address=%s' % host.ipmi_address,
'--ipmi_user=%s' % host.ipmi_user,
'--ipmi_password=%s' % host.ipmi_password,
'--terminal_port=%s' % host.terminal_port,
'--pidfile=%s' % _console_pidfile(host.id),
run_as_root=True)
LOG.debug("physical_console: out=%s", out)
LOG.debug("physical_console: err=%s", err)
def reboot(self, instance, network_info):
host = self._get_phy_host_by_instance_id(instance.id)
if not host:
raise exception.InstanceNotFound(instance_id=instance.id)
ctx = nova_context.get_admin_context()
pm = _get_ipmi(host.ipmi_address, host.ipmi_user, host.ipmi_password)
state = pm.power_off()
self._update_physical_state(ctx, host, instance, state)
state = pm.power_on()
self._update_physical_state(ctx, host, instance, state)
def get_host_ip_addr(self):
return None
def rescue(self, context, instance, callback, network_info):
pass
def unrescue(self, instance, callback, network_info):
pass
def poll_rescued_instances(self, timeout):
pass
def destroy(self, instance, network_info, block_device_info=None):
LOG.debug("destroy: instance=%s", instance.__dict__)
ctx = nova_context.get_admin_context()
host = self._get_phy_host_by_instance_id(instance.id)
if not host:
LOG.warning("Instance:id='%s' not found" % instance.id)
return
pm = _get_ipmi(host.ipmi_address, host.ipmi_user, host.ipmi_password)
state = pm.power_off()
self._update_physical_state(ctx, host, None, state)
self._firewall_driver.unfilter_instance(instance,
network_info=network_info)
for (network, mapping) in network_info:
self._vif_driver.unplug(instance, network, mapping)
image_root = os.path.join(FLAGS.instances_path, str(instance['id']))
shutil.rmtree(image_root, ignore_errors=True)
tftp_root = FLAGS.physical_tftp_root
if FLAGS.physical_pxe_vlan_per_host:
vlan_num = host.pxe_vlan_id
pxe_interface = 'vlan%d' % vlan_num
tftp_root = tftp_root + '/' + str(instance.id)
dnsmasq_pid = _dnsmasq_pid(pxe_interface)
if dnsmasq_pid:
execute(FLAGS.physical_kill_dnsmasq_path, str(dnsmasq_pid), run_as_root=True)
_unlink_without_raise(_dnsmasq_pid_path(pxe_interface))
_unlink_without_raise(_dnsmasq_lease_path(pxe_interface))
execute('ip', 'link', 'set', pxe_interface, 'down', run_as_root=True)
execute('vconfig', 'rem', pxe_interface, run_as_root=True)
shutil.rmtree(tftp_root, ignore_errors=True)
from nova.network import linux_net
chain = 'phy-%s' % pxe_interface
iptables = linux_net.iptables_manager
iptables.ipv4['filter'].remove_chain(chain)
iptables.apply()
else:
pxe_config_path = os.path.join(tftp_root, "pxelinux.cfg", "01-" + host.pxe_mac_address.replace(":", "-").lower())
_unlink_without_raise(pxe_config_path)
db.phy_pxe_ip_disassociate(ctx, host.id)
console_pid = _console_pid(host.id)
if console_pid:
execute('kill', str(console_pid), run_as_root=True, check_exit_code=[0,1])
_unlink_without_raise(_console_pidfile(host.id))
def _create_iscsi_export_tgtadm(self, path, tid, iqn):
LOG.debug("_create_iscsi_export_tgtadm: %s", locals())
utils.execute('tgtadm', '--lld', 'iscsi',
'--mode', 'target',
'--op', 'new',
'--tid', tid,
'--targetname', iqn,
run_as_root=True)
utils.execute('tgtadm', '--lld', 'iscsi',
'--mode', 'logicalunit',
'--op', 'new',
'--tid', tid,
'--lun', '1',
'--backing-store', path,
run_as_root=True)
def _allow_iscsi_tgtadm(self, tid, address):
LOG.debug("_allow_iscsi_tgtadm: %s", locals())
utils.execute('tgtadm', '--lld', 'iscsi',
'--mode', 'target',
'--op', 'bind',
'--tid', tid,
'--initiator-address', address,
run_as_root=True)
def _delete_iscsi_export_tgtadm(self, tid):
LOG.debug("_delete_iscsi_export_tgtadm: %s", locals())
try:
utils.execute('tgtadm', '--lld', 'iscsi',
'--mode', 'logicalunit',
'--op', 'delete',
'--tid', tid,
'--lun', '1',
run_as_root=True)
except:
pass
try:
utils.execute('tgtadm', '--lld', 'iscsi',
'--mode', 'target',
'--op', 'delete',
'--tid', tid,
run_as_root=True)
except:
pass
# check if tid is deleted
# If tid is deleted (or has been deleted) tgtadm returns with status==22.
execute('tgtadm', '--lld', 'iscsi',
'--mode', 'target',
'--op', 'show',
'--tid', tid,
check_exit_code=22,
run_as_root=True)
def _volume_id_from_device_path(self, device_path):
import re
m = re.search(r':volume-([0-9A-Fa-f]+)', device_path)
if m:
return int(m.group(1), 16)
return None
def attach_volume(self, instance_name, device_path, mountpoint):
LOG.info("attach_volume: instance_name=%s device_path=%s mountpoint=%s", instance_name,device_path,mountpoint)
i = self._get_phy_host_by_instance_name(instance_name)
if not i:
raise exception.InstanceNotFound(instance_id=instance_name)
ctx = nova_context.get_admin_context()
pxe_ip = db.phy_pxe_ip_get_by_phy_host_id(ctx, i.id)
if not pxe_ip:
if not FLAGS.physical_use_unsafe_iscsi:
raise exception.Error("No fixed PXE IP is associated to phy_instance:%s" % instance_name)
volume_id = self._volume_id_from_device_path(device_path)
tid = volume_id
mpstr = mountpoint.replace('/', '.').strip('.')
iqn = 'iqn.2010-10.org.openstack:%s-%s' % (tid, mpstr)
self._create_iscsi_export_tgtadm(device_path, tid, iqn)
if pxe_ip:
self._allow_iscsi_tgtadm(tid, pxe_ip.address)
else:
# unsafe
self._allow_iscsi_tgtadm(tid, 'ALL')
return True
def _volume_id_from_instance_name_and_mountpoint(self, instance_name, mountpoint):
ctx = nova_context.get_admin_context()
phy_host = self._get_phy_host_by_instance_name(instance_name)
if not phy_host:
return None
for vol in db.volume_get_all_by_instance(ctx, phy_host.instance.id):
if vol.mountpoint == mountpoint:
return vol.id
return None
@exception.wrap_exception()
def detach_volume(self, instance_name, mountpoint):
LOG.info("detach_volume: instance_name=%s mountpoint=%s", instance_name,mountpoint)
tid = self._volume_id_from_instance_name_and_mountpoint(instance_name, mountpoint)
if not tid:
LOG.warn("cannot find volume for instance_name=%s and mountpoint=%s", instance_name, mountpoint)
return
self._delete_iscsi_export_tgtadm(tid)
def get_info(self, instance):
h = self._get_phy_host_by_instance_id(instance['id'])
if not h:
raise exception.InstanceNotFound(instance_id=instance['id'])
pm = _get_ipmi(h.ipmi_address, h.ipmi_user, h.ipmi_password)
ps = power_state.SHUTOFF
if pm.is_power_on():
ps = power_state.RUNNING
LOG.debug("power_state=%s", ps)
return {'state': ps,
'max_mem': h['memory_mb'],
'mem': h['memory_mb'],
'num_cpu': h['cpus'],
'cpu_time': 0}
def get_diagnostics(self, instance_name):
i = self._get_phy_host_by_instance_name(instance_name)
if not i:
raise exception.InstanceNotFound(instance_id=instance_name)
return {}
def list_disks(self, instance_name):
i = self._get_phy_host_by_instance_name(instance_name)
if not i:
raise exception.InstanceNotFound(instance_id=instance_name)
return ['A_DISK']
def list_interfaces(self, instance_name):
i = self._get_phy_host_by_instance_name(instance_name)
if not i:
raise exception.InstanceNotFound(instance_id=instance_name)
return ['A_VIF']
def block_stats(self, instance_name, disk_id):
i = self._get_phy_host_by_instance_name(instance_name)
if not i:
raise exception.InstanceNotFound(instance_id=instance_name)
return [0L, 0L, 0L, 0L, None]
def interface_stats(self, instance_name, iface_id):
i = self._get_phy_host_by_instance_name(instance_name)
if not i:
raise exception.InstanceNotFound(instance_id=instance_name)
return [0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L]
def get_console_output(self, instance):
return 'FAKE CONSOLE\xffOUTPUT'
def get_ajax_console(self, instance):
return {'token': 'FAKETOKEN',
'host': 'fakeajaxconsole.com',
'port': 6969}
def get_vnc_console(self, instance):
return {'token': 'FAKETOKEN',
'host': 'fakevncconsole.com',
'port': 6969}
def get_console_pool_info(self, console_type):
return {'address': '127.0.0.1',
'username': '******',
'password': '******'}
def refresh_security_group_rules(self, security_group_id):
self._firewall_driver.refresh_security_group_rules(security_group_id)
return True
def refresh_security_group_members(self, security_group_id):
self._firewall_driver.refresh_security_group_members(security_group_id)
return True
def refresh_provider_fw_rules(self):
self._firewall_driver.refresh_provider_fw_rules()
pass
def _sum_phy_hosts(self, ctxt):
vcpus = 0
vcpus_used = 0
memory_mb = 0
memory_mb_used = 0
local_gb = 0
local_gb_used = 0
for i in self._get_phy_hosts(ctxt):
if i.registration_status != 'done':
continue
vcpus += i.cpus
memory_mb += i.memory_mb
local_gb += i.local_gb
dic = {'vcpus': vcpus,
'memory_mb': memory_mb,
'local_gb': local_gb,
'vcpus_used': vcpus_used,
'memory_mb_used': memory_mb_used,
'local_gb_used': local_gb_used,
}
return dic
def _max_phy_resouces(self, ctxt):
max_cpus = 0
max_memory_mb = 0
max_local_gb = 0
for i in self._get_phy_hosts(ctxt):
if i.registration_status != 'done' or i.instance_id:
continue
#put prioirty to memory size. You can use CPU and HDD, if you change the following line.
if max_memory_mb > i.memory_mb:
max_memory_mb = i.momory_mb
max_cpus = i.cpus
max_local_gb = i.max_local_gb
dic = {'vcpus': max_cpus,
'memory_mb': max_memory_mb,
'local_gb': max_local_gb,
'vcpus_used': 0,
'memory_mb_used': 0,
'local_gb_used': 0,
}
return dic
def update_available_resource(self, ctxt, host):
"""Updates compute manager resource info on ComputeNode table.
This method is called when nova-coompute launches, and
whenever admin executes "nova-manage service update_resource".
:param ctxt: security context
:param host: hostname that compute manager is currently running
"""
dic = self._max_phy_resouces(ctxt)
#dic = self._sum_phy_hosts(ctxt)
dic['hypervisor_type'] = 'physical'
dic['hypervisor_version'] = 1
dic['cpu_info'] = 'physical cpu'
try:
service_ref = db.service_get_all_compute_by_host(ctxt, host)[0]
except exception.NotFound:
raise exception.ComputeServiceUnavailable(host=host)
dic['service_id'] = service_ref['id']
compute_node_ref = service_ref['compute_node']
if not compute_node_ref:
LOG.info(_('Compute_service record created for %s ') % host)
db.compute_node_create(ctxt, dic)
else:
LOG.info(_('Compute_service record updated for %s ') % host)
db.compute_node_update(ctxt, compute_node_ref[0]['id'], dic)
def ensure_filtering_rules_for_instance(self, instance_ref, network_info):
self._firewall_driver.setup_basic_filtering(instance_ref, network_info)
self._firewall_driver.update_instance_filter(instance_ref, network_info)
def unfilter_instance(self, instance_ref, network_info):
self._firewall_driver.unfilter_instance(instance_ref,
network_info=network_info)
def test_remove_vm(self, instance_name):
""" Removes the named VM, as if it crashed. For testing"""
LOG.info(_("test_remove_vm: instance_name=%s") % (instance_name))
raise exception.InstanceNotFound(instance_id=instance_name)
def _get_host_stats(self):
dic = self._max_phy_resouces(nova_context.get_admin_context())
memory_total = dic['memory_mb'] * 1024 * 1024
memory_free = (dic['memory_mb'] - dic['memory_mb_used']) * 1024 * 1024
disk_total = dic['local_gb'] * 1024 * 1024 * 1024
disk_used = dic['local_gb_used'] * 1024 * 1024 * 1024
return {
'host_name-description': 'baremetal ' + FLAGS.host,
'host_hostname': FLAGS.host,
'host_memory_total': memory_total,
'host_memory_overhead': 0,
'host_memory_free': memory_free,
'host_memory_free_computed': memory_free,
'host_other_config': {},
# 'host_ip_address': '192.168.1.109',
# 'host_cpu_info': {},
'disk_available': disk_total - disk_used,
'disk_total': disk_total,
'disk_used': disk_used,
# 'host_uuid': 'cedb9b39-9388-41df-8891-c5c9a0c0fe5f',
'host_name_label': FLAGS.host,
'type': 'physical',
}
def update_host_status(self):
LOG.info(_("update_host_status:"))
return self._get_host_stats()
def get_host_stats(self, refresh=False):
LOG.info(_("get_host_stats: refresh=%s") % (refresh))
return self._get_host_stats()
def host_power_action(self, host, action):
"""Reboots, shuts down or powers up the host."""
LOG.info(_("host_power_action: host=%s action=%s") % (host, action))
pass
def set_host_enabled(self, host, enabled):
"""Sets the specified host's ability to accept new instances."""
LOG.info(_("set_host_enabled: host=%s enabled=%s") % (host, enabled))
pass
def _fetch_image(self, context, target, image_id, user_id, project_id):
"""Grab image and optionally attempt to resize it"""
images.fetch_to_raw(context, image_id, target, user_id, project_id)
def _cache_image_x(self, context, target, image_id, user_id, project_id):
"""Grab image and optionally attempt to resize it"""
if not os.path.exists(target):
self._fetch_image(context, target, image_id, user_id, project_id)
def plug_vifs(self, instance, network_info):
"""Plugin VIFs into networks."""
LOG.debug("plug_vifs: %s", locals())
for (network, mapping) in network_info:
self._vif_driver.plug(instance, network, mapping)
def _update_physical_state(self, context, host, instance, state):
instance_id = None
if instance:
instance_id = instance.id
db.phy_host_update(context, host.id,
{'instance_id': instance_id,
'task_state' : state,
})
def _inject_to_image(self, target, inst, network_info, nics_in_order):
# For now, we assume that if we're not using a kernel, we're using a
# partitioned disk image where the target partition is the first
# partition
target_partition = None
if not inst['kernel_id']:
target_partition = "1"
# rename nics to be in order
LOG.debug("injecting persisitent net")
rules = ""
i = 0
for hwaddr in nics_in_order:
rules += 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="%s", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth%d"\n' % (hwaddr,i)
i += 1
disk.inject_files(target,
[ ('/etc/udev/rules.d/70-persistent-net.rules', rules) ],
partition=target_partition,
use_cow=False)
bootif_name = "eth%d" % (i-1)
if inst['key_data']:
key = str(inst['key_data'])
else:
key = None
net = ""
nets = []
ifc_template = open(FLAGS.injected_network_template).read()
ifc_num = -1
have_injected_networks = False
for (network_ref, mapping) in network_info:
ifc_num += 1
# always inject
#if not network_ref['injected']:
# continue
have_injected_networks = True
address = mapping['ips'][0]['ip']
netmask = mapping['ips'][0]['netmask']
address_v6 = None
gateway_v6 = None
netmask_v6 = None
if FLAGS.use_ipv6:
address_v6 = mapping['ip6s'][0]['ip']
netmask_v6 = mapping['ip6s'][0]['netmask']
gateway_v6 = mapping['gateway_v6']
net_info = {'name': 'eth%d' % ifc_num,
'address': address,
'netmask': netmask,
'gateway': mapping['gateway'],
'broadcast': mapping['broadcast'],
'dns': ' '.join(mapping['dns']),
'address_v6': address_v6,
'gateway_v6': gateway_v6,
'netmask_v6': netmask_v6,
'hwaddress': mapping['mac']}
nets.append(net_info)
if have_injected_networks:
_late_load_cheetah()
net = str(Template(ifc_template,
searchList=[{'interfaces': nets,
'use_ipv6': FLAGS.use_ipv6}]))
net += "\n"
net += "auto %s\n" % bootif_name
net += "iface %s inet dhcp\n" % bootif_name
if FLAGS.physical_inject_password:
admin_password = inst.get('admin_pass')
else:
admin_password = None
metadata = inst.get('metadata')
if any((key, net, metadata, admin_password)):
inst_name = inst['name']
img_id = inst.image_ref
for injection in ('metadata', 'key', 'net', 'admin_password'):
if locals()[injection]:
LOG.info(_('instance %(inst_name)s: injecting '
'%(injection)s into image %(img_id)s'),
locals(), instance=inst)
try:
disk.inject_data(target,
key, net, metadata, admin_password,
partition=target_partition,
use_cow=False)
except Exception as e:
# This could be a windows image, or a vmdk format disk
LOG.warn(_('instance %(inst_name)s: ignoring error injecting'
' data into image %(img_id)s (%(e)s)') % locals(),
instance=inst)
