def upload_image(cls, context, session, instance, vdi_uuids, image_id,
options=None):
""" Requests that the Glance plugin bundle the specified VDIs and
push them into Glance using the specified human-friendly name.
"""
# NOTE(sirp): Currently we only support uploading images as VHD, there
# is no RAW equivalent (yet)
logging.debug(_("Asking xapi to upload %(vdi_uuids)s as"
" ID %(image_id)s") % locals())
os_type = instance.os_type or FLAGS.default_os_type
glance_host, glance_port = glance.pick_glance_api_server()
params = {'vdi_uuids': vdi_uuids,
'image_id': image_id,
'glance_host': glance_host,
'glance_port': glance_port,
'sr_path': cls.get_sr_path(session),
'os_type': os_type,
'auth_token': getattr(context, 'auth_token', None),
'options': options}
kwargs = {'params': pickle.dumps(params)}
task = session.async_call_plugin('glance', 'upload_vhd', kwargs)
session.wait_for_task(task, instance.id)
def upload_image(cls, context, session, instance, vdi_uuids, image_id):
""" Requests that the Glance plugin bundle the specified VDIs and
push them into Glance using the specified human-friendly name.
"""
# NOTE(sirp): Currently we only support uploading images as VHD, there
# is no RAW equivalent (yet)
logging.debug(
_("Asking xapi to upload %(vdi_uuids)s as"
" ID %(image_id)s") % locals())
os_type = instance.os_type or FLAGS.default_os_type
glance_host, glance_port = \
glance_image_service.pick_glance_api_server()
params = {
'vdi_uuids': vdi_uuids,
'image_id': image_id,
'glance_host': glance_host,
'glance_port': glance_port,
'sr_path': cls.get_sr_path(session),
'os_type': os_type,
'auth_token': getattr(context, 'auth_token', None)
}
kwargs = {'params': pickle.dumps(params)}
task = session.async_call_plugin('glance', 'upload_vhd', kwargs)
session.wait_for_task(task, instance.id)
def get_glance_client(image_href):
"""Get the correct glance client and id for the given image_href.
The image_href param can be an href of the form
http://myglanceserver:9292/images/42, or just an int such as 42. If the
image_href is an int, then flags are used to create the default
glance client.
:param image_href: image ref/id for an image
:returns: a tuple of the form (glance_client, image_id)
"""
image_href = image_href or 0
if str(image_href).isdigit():
glance_host, glance_port = \
glance_image_service.pick_glance_api_server()
glance_client = GlanceClient(glance_host, glance_port)
return (glance_client, int(image_href))
try:
(image_id, host, port) = _parse_image_ref(image_href)
except ValueError:
raise exception.InvalidImageRef(image_href=image_href)
glance_client = GlanceClient(host, port)
return (glance_client, image_id)
def get_glance_client(image_href):
"""Get the correct glance client and id for the given image_href.
The image_href param can be an href of the form
http://myglanceserver:9292/images/42, or just an int such as 42. If the
image_href is an int, then flags are used to create the default
glance client.
:param image_href: image ref/id for an image
:returns: a tuple of the form (glance_client, image_id)
"""
image_href = image_href or 0
if str(image_href).isdigit():
glance_host, glance_port = \
glance_image_service.pick_glance_api_server()
glance_client = GlanceClient(glance_host, glance_port)
return (glance_client, int(image_href))
try:
(image_id, host, port) = _parse_image_ref(image_href)
except ValueError:
raise exception.InvalidImageRef(image_href=image_href)
glance_client = GlanceClient(host, port)
return (glance_client, image_id)
def _fetch_image_glance_vhd(cls, context, session, instance, image,
image_type):
"""Tell glance to download an image and put the VHDs into the SR
Returns: A list of dictionaries that describe VDIs
"""
instance_id = instance.id
LOG.debug(_("Asking xapi to fetch vhd image %(image)s") % locals())
sr_ref = safe_find_sr(session)
# NOTE(sirp): The Glance plugin runs under Python 2.4
# which does not have the `uuid` module. To work around this,
# we generate the uuids here (under Python 2.6+) and
# pass them as arguments
uuid_stack = [str(uuid.uuid4()) for i in xrange(2)]
glance_host, glance_port = glance.pick_glance_api_server()
params = {
'image_id': image,
'glance_host': glance_host,
'glance_port': glance_port,
'uuid_stack': uuid_stack,
'sr_path': cls.get_sr_path(session),
'auth_token': getattr(context, 'auth_token', None)
}
kwargs = {'params': pickle.dumps(params)}
task = session.async_call_plugin('glance', 'download_vhd', kwargs)
result = session.wait_for_task(task, instance_id)
# 'download_vhd' will return a json encoded string containing
# a list of dictionaries describing VDIs. The dictionary will
# contain 'vdi_type' and 'vdi_uuid' keys. 'vdi_type' can be
# 'os' or 'swap' right now.
vdis = json.loads(result)
for vdi in vdis:
LOG.debug(
_("xapi 'download_vhd' returned VDI of "
"type '%(vdi_type)s' with UUID '%(vdi_uuid)s'" % vdi))
cls.scan_sr(session, instance_id, sr_ref)
# Pull out the UUID of the first VDI (which is the os VDI)
os_vdi_uuid = vdis[0]['vdi_uuid']
# Set the name-label to ease debugging
vdi_ref = session.get_xenapi().VDI.get_by_uuid(os_vdi_uuid)
primary_name_label = get_name_label_for_image(image)
session.get_xenapi().VDI.set_name_label(vdi_ref, primary_name_label)
cls._check_vdi_size(context, session, instance, os_vdi_uuid)
return vdis
def _fetch_image_glance_vhd(cls, context, session, instance, image,
image_type):
"""Tell glance to download an image and put the VHDs into the SR
Returns: A list of dictionaries that describe VDIs
"""
instance_id = instance.id
LOG.debug(_("Asking xapi to fetch vhd image %(image)s")
% locals())
sr_ref = safe_find_sr(session)
# NOTE(sirp): The Glance plugin runs under Python 2.4
# which does not have the `uuid` module. To work around this,
# we generate the uuids here (under Python 2.6+) and
# pass them as arguments
uuid_stack = [str(uuid.uuid4()) for i in xrange(2)]
glance_host, glance_port = \
glance_image_service.pick_glance_api_server()
params = {'image_id': image,
'glance_host': glance_host,
'glance_port': glance_port,
'uuid_stack': uuid_stack,
'sr_path': cls.get_sr_path(session),
'auth_token': getattr(context, 'auth_token', None)}
kwargs = {'params': pickle.dumps(params)}
task = session.async_call_plugin('glance', 'download_vhd', kwargs)
result = session.wait_for_task(task, instance_id)
# 'download_vhd' will return a json encoded string containing
# a list of dictionaries describing VDIs. The dictionary will
# contain 'vdi_type' and 'vdi_uuid' keys. 'vdi_type' can be
# 'os' or 'swap' right now.
vdis = json.loads(result)
for vdi in vdis:
LOG.debug(_("xapi 'download_vhd' returned VDI of "
"type '%(vdi_type)s' with UUID '%(vdi_uuid)s'" % vdi))
cls.scan_sr(session, instance_id, sr_ref)
# Pull out the UUID of the first VDI (which is the os VDI)
os_vdi_uuid = vdis[0]['vdi_uuid']
# Set the name-label to ease debugging
vdi_ref = session.get_xenapi().VDI.get_by_uuid(os_vdi_uuid)
primary_name_label = get_name_label_for_image(image)
session.get_xenapi().VDI.set_name_label(vdi_ref, primary_name_label)
cls._check_vdi_size(context, session, instance, os_vdi_uuid)
return vdis
def upload_image(cls, session, instance, vdi_uuids, image_id):
""" Requests that the Glance plugin bundle the specified VDIs and
push them into Glance using the specified human-friendly name.
"""
# NOTE(sirp): Currently we only support uploading images as VHD, there
# is no RAW equivalent (yet)
logging.debug(_("Asking xapi to upload %(vdi_uuids)s as" " ID %(image_id)s") % locals())
os_type = instance.os_type or FLAGS.default_os_type
glance_host, glance_port = glance_image_service.pick_glance_api_server()
params = {
"vdi_uuids": vdi_uuids,
"image_id": image_id,
"glance_host": glance_host,
"glance_port": glance_port,
"sr_path": cls.get_sr_path(session),
"os_type": os_type,
}
kwargs = {"params": pickle.dumps(params)}
task = session.async_call_plugin("glance", "upload_vhd", kwargs)
session.wait_for_task(task, instance.id)
def images_on_interval(period_start, period_stop, auth_tok, tenant_id=None):
"""
Retrieve images statistics for the given interval [``period_start``, ``period_stop``].
``tenant_id=None`` means all projects.
Example of the returned value:
.. code-block:: python
{
"1": {
12: {
"created_at": datetime.datetime(2011, 1, 1),
"destroyed_at": datetime.datetime(2011, 1, 2),
"name": "Gentoo initrd",
"usage": {"local_gb": 0.1},
},
14: {
"created_at": datetime.datetime(2011, 1, 4),
"destroyed_at": datetime.datetime(2011, 2, 1),
"name": "Ubuntu vmlinuz",
"usage": {"local_gb": 2.5},
},
},
"2": {
24: {
"created_at": datetime.datetime(2011, 1, 1),
"destroyed_at": datetime.datetime(2011, 1, 2),
"name": "RHEL vmlinuz",
"usage": {"local_gb": 6.1},
},
}
}
:returns: a dictionary where keys are project ids and values are project statistics.
"""
glance_host, glance_port = pick_glance_api_server()
client = glance_client.Client(glance_host, glance_port, auth_tok=auth_tok)
images = client.get_images_detailed(filters={"is_public": "none"})
if tenant_id:
images = [image for image in images if image["owner"] == tenant_id]
else:
images = [image for image in images if image["owner"] is not None]
report_by_id = {}
now = utils.now()
for image in images:
created_at = utils.str_to_datetime(image["created_at"])
if created_at >= period_stop:
continue
deleted_at = utils.str_to_datetime(image["deleted_at"])
if deleted_at and deleted_at <= period_start:
continue
lifetime = utils.total_seconds(
min(deleted_at or now, period_stop) -
max(created_at, period_start))
if lifetime < 0:
lifetime = 0
try:
tenant_statistics = report_by_id[image["owner"]]
except KeyError:
tenant_statistics = {}
report_by_id[image["owner"]] = tenant_statistics
tenant_statistics[image["id"]] = {
"name": image["name"],
"created_at": created_at,
"destroyed_at": deleted_at,
"usage": {"local_gb": image["size"] * lifetime / 2 ** 30}
}
return report_by_id
