def test_get_instance_availability_zone_default_value(self):
"""Test get right availability zone by given an instance."""
fake_inst_id = 162
fake_inst = fakes.stub_instance(fake_inst_id, host=self.host)
self.assertEqual(self.default_az,
az.get_instance_availability_zone(self.context, fake_inst))
def check_attach(self, context, volume, instance=None):
# TODO(vish): abstract status checking?
if volume['status'] != "available":
msg = _("volume '%(vol)s' status must be 'available'. Currently "
"in '%(status)s'") % {'vol': volume['id'],
'status': volume['status']}
raise exception.InvalidVolume(reason=msg)
if volume['attach_status'] == "attached":
msg = _("volume %s already attached") % volume['id']
raise exception.InvalidVolume(reason=msg)
if instance and not CONF.cinder.cross_az_attach:
# NOTE(sorrison): If instance is on a host we match against it's AZ
# else we check the intended AZ
if instance.get('host'):
instance_az = az.get_instance_availability_zone(
context, instance)
else:
instance_az = instance['availability_zone']
if instance_az != volume['availability_zone']:
msg = _("Instance %(instance)s and volume %(vol)s are not in "
"the same availability_zone. Instance is in "
"%(ins_zone)s. Volume is in %(vol_zone)s") % {
"instance": instance['id'],
"vol": volume['id'],
'ins_zone': instance_az,
'vol_zone': volume['availability_zone']}
raise exception.InvalidVolume(reason=msg)
def check_attach(self, context, volume, instance=None):
# TODO(vish): abstract status checking?
if volume['status'] != "available":
msg = _("volume '%(vol)s' status must be 'available'. Currently "
"in '%(status)s'") % {
'vol': volume['id'],
'status': volume['status']
}
raise exception.InvalidVolume(reason=msg)
if volume['attach_status'] == "attached":
msg = _("volume %s already attached") % volume['id']
raise exception.InvalidVolume(reason=msg)
if instance and not CONF.cinder.cross_az_attach:
# NOTE(sorrison): If instance is on a host we match against it's AZ
# else we check the intended AZ
if instance.get('host'):
instance_az = az.get_instance_availability_zone(
context, instance)
else:
instance_az = instance['availability_zone']
if instance_az != volume['availability_zone']:
msg = _("Instance %(instance)s and volume %(vol)s are not in "
"the same availability_zone. Instance is in "
"%(ins_zone)s. Volume is in %(vol_zone)s") % {
"instance": instance['id'],
"vol": volume['id'],
'ins_zone': instance_az,
'vol_zone': volume['availability_zone']
}
raise exception.InvalidVolume(reason=msg)
def _extend_server(self, context, server, instance):
key = "%s:availability_zone" % PREFIX
az = avail_zone.get_instance_availability_zone(context, instance)
if not az and instance.get('availability_zone'):
# Likely hasn't reached a viable compute node yet so give back the
# desired availability_zone that *may* exist in the instance
# record itself.
az = instance.availability_zone
server[key] = az
def test_get_instance_availability_zone_from_aggregate(self):
"""Test get availability zone from aggregate by given an instance."""
host = 'host170'
service = self._create_service_with_topic('compute', host)
self._add_to_aggregate(service, self.agg)
fake_inst_id = 174
fake_inst = fakes.stub_instance(fake_inst_id, host=host)
self.assertEqual(self.availability_zone,
az.get_instance_availability_zone(self.context, fake_inst))
def __init__(self, instance, address=None, content=None, extra_md=None,
conductor_api=None, network_info=None, vd_driver=None):
"""Creation of this object should basically cover all time consuming
collection. Methods after that should not cause time delays due to
network operations or lengthy cpu operations.
The user should then get a single instance and make multiple method
calls on it.
"""
if not content:
content = []
ctxt = context.get_admin_context()
# The default value of mimeType is set to MIME_TYPE_TEXT_PLAIN
self.set_mimetype(MIME_TYPE_TEXT_PLAIN)
self.instance = instance
self.extra_md = extra_md
if conductor_api:
capi = conductor_api
else:
capi = conductor.API()
self.availability_zone = az.get_instance_availability_zone(ctxt,
instance)
self.security_groups = objects.SecurityGroupList.get_by_instance(
ctxt, instance)
self.mappings = _format_instance_mapping(ctxt, instance)
if instance.user_data is not None:
self.userdata_raw = base64.b64decode(instance.user_data)
else:
self.userdata_raw = None
self.ec2_ids = capi.get_ec2_ids(ctxt,
obj_base.obj_to_primitive(instance))
self.address = address
# expose instance metadata.
self.launch_metadata = utils.instance_meta(instance)
self.password = password.extract_password(instance)
self.uuid = instance.uuid
self.content = {}
self.files = []
# get network info, and the rendered network template
if network_info is None:
network_info = instance.info_cache.network_info
self.ip_info = \
ec2utils.get_ip_info_for_instance_from_nw_info(network_info)
self.network_config = None
cfg = netutils.get_injected_network_template(network_info)
if cfg:
key = "%04i" % len(self.content)
self.content[key] = cfg
self.network_config = {"name": "network_config",
'content_path': "/%s/%s" % (CONTENT_DIR, key)}
# 'content' is passed in from the configdrive code in
# patron/virt/libvirt/driver.py. That's how we get the injected files
# (personalities) in. AFAIK they're not stored in the db at all,
# so are not available later (web service metadata time).
for (path, contents) in content:
key = "%04i" % len(self.content)
self.files.append({'path': path,
'content_path': "/%s/%s" % (CONTENT_DIR, key)})
self.content[key] = contents
if vd_driver is None:
vdclass = importutils.import_class(CONF.vendordata_driver)
else:
vdclass = vd_driver
self.vddriver = vdclass(instance=instance, address=address,
extra_md=extra_md, network_info=network_info)
self.route_configuration = None
