8f6cb9fd23
All the flake8 issues have been resolved with this commit. Change-Id: I637f82c484b3dbecc4827731a13f79c2ba2b9240 Closes-Bug: #1346759
479 lines
18 KiB
Python
479 lines
18 KiB
Python
# Copyright 2013 IBM Corp.
|
|
|
|
import six
|
|
import urllib
|
|
from novaclient import base as client_base
|
|
from novaclient.v1_1 import servers
|
|
from novaclient.v1_1 import hypervisors
|
|
from novaclient.v1_1 import images
|
|
from novaclient.v1_1 import flavors
|
|
from novaclient.v1_1 import volumes
|
|
from novaclient.v1_1.volume_types import VolumeType
|
|
from powervc.common.client.extensions import base
|
|
from powervc.common import utils
|
|
import logging
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class Client(base.ClientExtension):
|
|
|
|
def __init__(self, client):
|
|
super(Client, self).__init__(client)
|
|
self.manager = PVCServerManager(client)
|
|
self.servers = servers
|
|
self.hypervisors = hypervisors.HypervisorManager(client)
|
|
self.images = images.ImageManager(client)
|
|
self.flavors = flavors.FlavorManager(client)
|
|
self.storage_connectivity_groups = \
|
|
StorageConnectivityGroupManager(client)
|
|
self.volumes = volumes.VolumeManager(client)
|
|
self.scg_images = SCGImageManager(client)
|
|
# any extensions to std nova client go below
|
|
|
|
|
|
class PVCServerManager(servers.ServerManager):
|
|
"""
|
|
This ServerManager class is specific for PowerVC booting a VM.
|
|
As the PowerVC boot API does not follow the standard openstack boot API,
|
|
need to rewrite the default boot method to satisfy powerVC boot restAPI
|
|
content.
|
|
"""
|
|
|
|
def list(self, detailed=True, search_opts=None,
|
|
scgUUID=None,
|
|
scgName=None):
|
|
"""
|
|
Get a list of the Servers that filtered by a specified SCG UUID
|
|
or SCG name, if both SCG UUID and SCG name are specified, UUID has the
|
|
high priority to check.
|
|
|
|
:rtype: list of :class:`Server`
|
|
"""
|
|
if scgUUID or scgName:
|
|
return utils.get_utils().get_scg_accessible_servers(scgUUID,
|
|
scgName,
|
|
detailed,
|
|
search_opts
|
|
)
|
|
else:
|
|
# This will get all scgs accessible servers
|
|
return utils.get_utils().\
|
|
get_multi_scg_accessible_servers(None,
|
|
None,
|
|
detailed,
|
|
search_opts
|
|
)
|
|
|
|
def list_all_servers(self, detailed=True, search_opts=None):
|
|
"""
|
|
Get a list of all servers without filters.
|
|
Optional detailed returns details server info.
|
|
Optional reservation_id only returns instances with that
|
|
reservation_id.
|
|
|
|
:rtype: list of :class:`Server`
|
|
"""
|
|
if search_opts is None:
|
|
search_opts = {}
|
|
|
|
qparams = {}
|
|
|
|
for opt, val in six.iteritems(search_opts):
|
|
if val:
|
|
qparams[opt] = val
|
|
|
|
query_string = "?%s" % urllib.urlencode(qparams) if qparams else ""
|
|
|
|
detail = ""
|
|
if detailed:
|
|
detail = "/detail"
|
|
return self._list("/servers%s%s" % (detail, query_string), "servers")
|
|
|
|
# This function was copied from (/usr/lib/python2.6/site-packages/
|
|
# novaclient/v1_1/servers.py) before, but changes needed when activation
|
|
# data contains userdata and files, because in a boot action, local OS
|
|
# novaclient's _boot will read them from CLI or GUI firstly, then when our
|
|
# driver is triggered, this version of _boot should just forward the data
|
|
# or file content to PowerVC without any reading, otherwise error happens.
|
|
# RTC/172018, add support to boot server with activation data.
|
|
def _boot(self, resource_url, response_key, name, image, flavor,
|
|
meta=None, files=None, userdata=None, reservation_id=None,
|
|
return_raw=False, min_count=None, max_count=None,
|
|
security_groups=None, key_name=None, availability_zone=None,
|
|
block_device_mapping=None, nics=None, scheduler_hints=None,
|
|
config_drive=None, admin_pass=None, **kwargs):
|
|
"""Create (boot) a new server.
|
|
|
|
:param name: Server Name.
|
|
:param image: The string of PowerVC `Image` UUID to boot with.
|
|
:param flavor: The :dict of `Flavor` that need to boot onto.
|
|
:param meta: A dict of arbitrary key/value metadata to store for this
|
|
server. A maximum of five entries is allowed, and both
|
|
keys and values must be 255 characters or less.
|
|
:param files: A dict of files to overrwrite on the server upon boot.
|
|
Keys are file names (i.e. ``/etc/passwd``) and values
|
|
are the file contents (either as a string or as a
|
|
file-like object). A maximum of five entries is allowed,
|
|
and each file must be 10k or less.
|
|
:param userdata: user data to pass to make config drive this can be a
|
|
file type object as well or a string. PowerVC don't use
|
|
metadata server for security considerations.
|
|
:param reservation_id: a UUID for the set of servers being requested.
|
|
:param return_raw: If True, don't try to coearse the result into
|
|
a Resource object.
|
|
:param security_groups: list of security group names
|
|
:param key_name: (optional extension) name of keypair to inject into
|
|
the instance
|
|
:param availability_zone: Name of the availability zone for instance
|
|
placement.
|
|
:param block_device_mapping: A dict of block device mappings for this
|
|
server.
|
|
:param nics: (optional extension) an ordered list of nics to be
|
|
added to this server, with information about
|
|
connected networks, fixed ips, etc.
|
|
:param scheduler_hints: (optional extension) arbitrary key-value pairs
|
|
specified by the client to help boot an instance.
|
|
:param config_drive: (optional extension) value for config drive
|
|
either boolean, or volume-id
|
|
:param admin_pass: admin password for the server.
|
|
"""
|
|
body = {"server": {
|
|
"name": name,
|
|
"imageRef": image,
|
|
"flavor": {},
|
|
}}
|
|
|
|
# Add the flavor information to PowerVC for booting VM
|
|
body["server"]["flavor"]['ram'] = flavor['memory_mb']
|
|
body["server"]["flavor"]['vcpus'] = flavor['vcpus']
|
|
body["server"]["flavor"]['disk'] = flavor['root_gb']
|
|
body["server"]["flavor"]['OS-FLV-EXT-DATA:ephemeral'] = \
|
|
flavor.get('OS-FLV-EXT-DATA:ephemeral', 0)
|
|
body["server"]["flavor"]['extra_specs'] = flavor['extra_specs']
|
|
|
|
# If hypervisor ID specified:
|
|
if kwargs.get("hypervisor", None):
|
|
body["server"]['hypervisor_hostname'] = kwargs["hypervisor"]
|
|
|
|
if userdata:
|
|
# RTC/172018 -- start
|
|
# comment out the following, already done by local OS nova client
|
|
# if hasattr(userdata, 'read'):
|
|
# userdata = userdata.read()
|
|
|
|
# userdata = strutils.safe_encode(userdata)
|
|
# body["server"]["user_data"] = base64.b64encode(userdata)
|
|
body["server"]["user_data"] = userdata
|
|
# RTC/172018 -- end
|
|
if meta:
|
|
body["server"]["metadata"] = meta
|
|
if reservation_id:
|
|
body["server"]["reservation_id"] = reservation_id
|
|
if key_name:
|
|
body["server"]["key_name"] = key_name
|
|
if scheduler_hints:
|
|
body['os:scheduler_hints'] = scheduler_hints
|
|
if config_drive:
|
|
body["server"]["config_drive"] = config_drive
|
|
if admin_pass:
|
|
body["server"]["adminPass"] = admin_pass
|
|
if not min_count:
|
|
min_count = 1
|
|
if not max_count:
|
|
max_count = min_count
|
|
body["server"]["min_count"] = min_count
|
|
body["server"]["max_count"] = max_count
|
|
|
|
if security_groups:
|
|
body["server"]["security_groups"] = ([{'name': sg}
|
|
for sg in security_groups])
|
|
|
|
# Files are a slight bit tricky. They're passed in a "personality"
|
|
# list to the POST. Each item is a dict giving a file name and the
|
|
# base64-encoded contents of the file. We want to allow passing
|
|
# either an open file *or* some contents as files here.
|
|
|
|
if files:
|
|
personality = body['server']['personality'] = []
|
|
# RTC/172018 -- start
|
|
# comment out the following, already done by local OS nova client
|
|
#for filepath, file_or_string in files.items():
|
|
# if hasattr(file_or_string, 'read'):
|
|
# data = file_or_string.read()
|
|
# else:
|
|
# data = file_or_string
|
|
|
|
for file in files:
|
|
personality.append({
|
|
'path': file[0],
|
|
'contents': file[1].encode('base64'),
|
|
})
|
|
# RTC/172018 -- end
|
|
|
|
if availability_zone:
|
|
body["server"]["availability_zone"] = availability_zone
|
|
|
|
# Block device mappings are passed as a list of dictionaries
|
|
if block_device_mapping:
|
|
bdm = body['server']['block_device_mapping'] = []
|
|
for device_name, mapping in block_device_mapping.items():
|
|
#
|
|
# The mapping is in the format:
|
|
# <id>:[<type>]:[<size(GB)>]:[<delete_on_terminate>]
|
|
#
|
|
bdm_dict = {'device_name': device_name}
|
|
|
|
mapping_parts = mapping.split(':')
|
|
id_ = mapping_parts[0]
|
|
if len(mapping_parts) == 1:
|
|
bdm_dict['volume_id'] = id_
|
|
if len(mapping_parts) > 1:
|
|
type_ = mapping_parts[1]
|
|
if type_.startswith('snap'):
|
|
bdm_dict['snapshot_id'] = id_
|
|
else:
|
|
bdm_dict['volume_id'] = id_
|
|
if len(mapping_parts) > 2:
|
|
bdm_dict['volume_size'] = mapping_parts[2]
|
|
if len(mapping_parts) > 3:
|
|
bdm_dict['delete_on_termination'] = mapping_parts[3]
|
|
bdm.append(bdm_dict)
|
|
|
|
if nics is not None:
|
|
# NOTE(tr3buchet): nics can be an empty list
|
|
all_net_data = []
|
|
for nic_info in nics:
|
|
net_data = {}
|
|
# if value is empty string, do not send value in body
|
|
if nic_info.get('net-id'):
|
|
net_data['uuid'] = nic_info['net-id']
|
|
if nic_info.get('v4-fixed-ip'):
|
|
net_data['fixed_ip'] = nic_info['v4-fixed-ip']
|
|
if nic_info.get('port-id'):
|
|
net_data['port'] = nic_info['port-id']
|
|
all_net_data.append(net_data)
|
|
body['server']['networks'] = all_net_data
|
|
|
|
return self._create(resource_url, body, response_key,
|
|
return_raw=return_raw, **kwargs)
|
|
|
|
def _resize_pvc(self, server, info, **kwargs):
|
|
"""
|
|
This method is used to overwrite the resize in the
|
|
class ServerManager
|
|
"""
|
|
return self._action('resize', server, info=info, **kwargs)
|
|
|
|
def list_instance_storage_viable_hosts(self, server):
|
|
"""
|
|
Get a list of hosts compatible with this server.
|
|
Used for getting candidate host hypervisors from powervc for
|
|
live migration. We need to do things a bit different
|
|
since there not a common schema apperently for the content
|
|
returned. See below..
|
|
|
|
{
|
|
"8233E8B_100008P":{
|
|
"host":"8233E8B_100008P"
|
|
},
|
|
"8233E8B_100043P":{
|
|
"host":"8233E8B_100043P"
|
|
}
|
|
}
|
|
|
|
:param server: ID of the :class:`Server` to get.
|
|
:rtype: dict
|
|
"""
|
|
url = "/storage-viable-hosts?instance_uuid=%s"\
|
|
% (client_base.getid(server))
|
|
|
|
_resp, body = self.api.client.get(url)
|
|
return body
|
|
|
|
|
|
class StorageConnectivityGroup(client_base.Resource):
|
|
"""
|
|
Entity class for StorageConnectivityGroup
|
|
"""
|
|
def __repr__(self):
|
|
return ("<StorageConnectivityGroup: %s, displayname: %s>" %
|
|
(self.id, self.display_name))
|
|
|
|
def list_all_volumes(self):
|
|
"""
|
|
Get a list of accessible volume for this SCG.
|
|
|
|
:rtype: list of :class:`Volume`
|
|
"""
|
|
return self.manager.list_all_volumes(self.id)
|
|
|
|
def list_all_volume_types(self):
|
|
"""
|
|
Get a list of accessible volume types for this SCG.
|
|
|
|
:rtype: list of :class:`VolumeType`
|
|
"""
|
|
return self.manager.list_all_volume_types(self.id)
|
|
|
|
|
|
class StorageConnectivityGroupManager(client_base.Manager):
|
|
"""
|
|
Manager class for StorageConnectivityGroup
|
|
Currently get and list functions for StorageConnectivityGroup
|
|
are implemented.
|
|
"""
|
|
resource_class = StorageConnectivityGroup
|
|
|
|
def get(self, scgUUID):
|
|
"""
|
|
Get a StorageConnectivityGroup.
|
|
|
|
:param server: UUID `StorageConnectivityGroup` to get.
|
|
:rtype: :class:`Server`
|
|
"""
|
|
try:
|
|
return self._get("/storage-connectivity-groups/%s" % scgUUID,
|
|
"storage_connectivity_group")
|
|
except Exception as e:
|
|
# If PowerVC Express installations in IVM mode
|
|
# would receive BadRequest
|
|
LOG.error('A problem was encountered while getting the '
|
|
' Storage Connectivity Group %s: %s '
|
|
% (scgUUID, str(e)))
|
|
return None
|
|
|
|
def list_for_image(self, imageUUID):
|
|
"""
|
|
Get a list of StorageConnectivityGroups for the specified image. If
|
|
an error occurs getting the SCGs for an image, an exception is logged
|
|
and raised.
|
|
|
|
:param: imageUUID The image UUID:
|
|
:rtype: list of :class:`StorageConnectivityGroup`
|
|
"""
|
|
try:
|
|
return self._list("/images/%s/storage-connectivity-groups" %
|
|
imageUUID, "storage_connectivity_groups")
|
|
except Exception as e:
|
|
LOG.error('A problem was encountered while getting a list of '
|
|
'Storage Connectivity Groups for image %s: %s '
|
|
% (imageUUID, str(e)))
|
|
raise e
|
|
|
|
def list_all_volumes(self, scgUUID):
|
|
"""
|
|
Get a list of accessible volume for this SCG.
|
|
|
|
:rtype: list of :class:`Volume`
|
|
"""
|
|
try:
|
|
return self._list("/storage-connectivity-groups/%s/volumes"
|
|
% scgUUID, "volumes", volumes.Volume)
|
|
except Exception as e:
|
|
LOG.error('A problem was encountered while getting a list of '
|
|
'accessible volumes for scg %s: %s '
|
|
% (scgUUID, str(e)))
|
|
raise e
|
|
|
|
def list_all_volume_types(self, scgUUID):
|
|
"""
|
|
Get a list of accessible volume types for this SCG.
|
|
|
|
:rtype: list of :class:`VolumeType`
|
|
"""
|
|
try:
|
|
return self._list("/storage-connectivity-groups/%s/volume-types"
|
|
% scgUUID, "volume-types", VolumeType)
|
|
except Exception as e:
|
|
LOG.error('A problem was encountered while getting a list of '
|
|
'accessible volume types for scg %s: %s '
|
|
% (scgUUID, str(e)))
|
|
raise e
|
|
|
|
def list(self, detailed=True, search_opts=None):
|
|
"""
|
|
Get a list of StorageConnectivityGroups.
|
|
Optional detailed returns details StorageConnectivityGroup info.
|
|
|
|
:rtype: list of :class:`StorageConnectivityGroup`
|
|
"""
|
|
if search_opts is None:
|
|
search_opts = {}
|
|
|
|
qparams = {}
|
|
|
|
for opt, val in six.iteritems(search_opts):
|
|
if val:
|
|
qparams[opt] = val
|
|
|
|
query_string = "?%s" % urllib.urlencode(qparams) if qparams else ""
|
|
|
|
detail = ""
|
|
if detailed:
|
|
detail = "/detail"
|
|
try:
|
|
return self._list("/storage-connectivity-groups%s%s" %
|
|
(detail, query_string),
|
|
"storage_connectivity_groups")
|
|
except Exception as e:
|
|
# If PowerVC Express installations in IVM mode
|
|
# would receive BadRequest
|
|
LOG.error('A problem was encountered while getting a list'
|
|
' of Storage Connectivity Groups: %s '
|
|
% str(e))
|
|
return []
|
|
|
|
|
|
class SCGImage(client_base.Resource):
|
|
"""
|
|
Entity class for SCGImage
|
|
"""
|
|
def __repr__(self):
|
|
return ("<SCGImage: %s, name: %s>" %
|
|
(self.id, self.name))
|
|
|
|
|
|
class SCGImageManager(client_base.Manager):
|
|
"""
|
|
Manager class for SCGImage
|
|
Currently the list function for SCGImages in a StorageConnectivityGroup,
|
|
and the image identifiers of SCGImages in a StorageConnectivityGroup is
|
|
implemented.
|
|
"""
|
|
resource_class = SCGImage
|
|
|
|
def list(self, scgUUID):
|
|
"""
|
|
Get a list of SCGImages for the specified StorageConnectivityGroup. If
|
|
an error occurs getting the SCGImages, and exception is logged and
|
|
raised.
|
|
|
|
:param: scgUUID The StorageConnectivityGroup UUID:
|
|
:rtype: list of :class:`SCGImage`
|
|
"""
|
|
try:
|
|
return self._list("/storage-connectivity-groups/%s/images" %
|
|
scgUUID, "images")
|
|
except Exception as e:
|
|
LOG.error('A problem was encountered while getting a list of '
|
|
'images for Storage Connectivity Group \'%s\': %s '
|
|
% (scgUUID, str(e)))
|
|
raise e
|
|
|
|
def list_ids(self, scgUUID):
|
|
"""
|
|
Get a list of SCGImage identifiers for the specified
|
|
StorageConnectivityGroup. If an error occurs getting the SCGImage ids,
|
|
and exception is logged and raised.
|
|
|
|
:param: scgUUID The StorageConnectivityGroup UUID:
|
|
:rtype: list of :class:`SCGImage` identifiers
|
|
"""
|
|
ids = []
|
|
SCGImages = self.list(scgUUID)
|
|
if SCGImages:
|
|
for image in SCGImages:
|
|
ids.append(image.id)
|
|
return ids
|