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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
VMware vCloud driver.
"""
import copy
import datetime
import re
import base64
import os
from libcloud.utils.iso8601 import parse_date
from libcloud.utils.py3 import httplib
from libcloud.utils.py3 import urlencode
from libcloud.utils.py3 import urlparse
from libcloud.utils.py3 import b
from libcloud.utils.py3 import next
from libcloud.utils.py3 import ET
urlparse = urlparse.urlparse
import time
from xml.parsers.expat import ExpatError
from libcloud.common.base import XmlResponse, ConnectionUserAndKey
from libcloud.common.types import InvalidCredsError, LibcloudError
from libcloud.compute.providers import Provider
from libcloud.compute.types import NodeState
from libcloud.compute.base import Node, NodeDriver, NodeLocation
from libcloud.compute.base import NodeSize, NodeImage
"""
From vcloud api "The VirtualQuantity element defines the number of MB
of memory. This should be either 512 or a multiple of 1024 (1 GB)."
"""
VIRTUAL_MEMORY_VALS = [512] + [1024 * i for i in range(1, 9)]
# Default timeout (in seconds) for long running tasks
DEFAULT_TASK_COMPLETION_TIMEOUT = 600
DEFAULT_API_VERSION = '0.8'
"""
Valid vCloud API v1.5 input values.
"""
VIRTUAL_CPU_VALS_1_5 = [i for i in range(1, 9)]
FENCE_MODE_VALS_1_5 = ['bridged', 'isolated', 'natRouted']
IP_MODE_VALS_1_5 = ['POOL', 'DHCP', 'MANUAL', 'NONE']
def fixxpath(root, xpath):
"""ElementTree wants namespaces in its xpaths, so here we add them."""
namespace, root_tag = root.tag[1:].split("}", 1)
fixed_xpath = "/".join(["{%s}%s" % (namespace, e)
for e in xpath.split("/")])
return fixed_xpath
def get_url_path(url):
return urlparse(url.strip()).path
class Vdc(object):
"""
Virtual datacenter (vDC) representation
"""
def __init__(self, id, name, driver, allocation_model=None, cpu=None,
memory=None, storage=None):
self.id = id
self.name = name
self.driver = driver
self.allocation_model = allocation_model
self.cpu = cpu
self.memory = memory
self.storage = storage
def __repr__(self):
return ('<Vdc: id=%s, name=%s, driver=%s ...>'
% (self.id, self.name, self.driver.name))
class Capacity(object):
"""
Represents CPU, Memory or Storage capacity of vDC.
"""
def __init__(self, limit, used, units):
self.limit = limit
self.used = used
self.units = units
def __repr__(self):
return ('<Capacity: limit=%s, used=%s, units=%s>'
% (self.limit, self.used, self.units))
class ControlAccess(object):
"""
Represents control access settings of a node
"""
class AccessLevel(object):
READ_ONLY = 'ReadOnly'
CHANGE = 'Change'
FULL_CONTROL = 'FullControl'
def __init__(self, node, everyone_access_level, subjects=None):
self.node = node
self.everyone_access_level = everyone_access_level
if not subjects:
subjects = []
self.subjects = subjects
def __repr__(self):
return ('<ControlAccess: node=%s, everyone_access_level=%s, '
'subjects=%s>'
% (self.node, self.everyone_access_level, self.subjects))
class Subject(object):
"""
User or group subject
"""
def __init__(self, type, name, access_level, id=None):
self.type = type
self.name = name
self.access_level = access_level
self.id = id
def __repr__(self):
return ('<Subject: type=%s, name=%s, access_level=%s>'
% (self.type, self.name, self.access_level))
class Lease(object):
"""
Lease information for vApps.
More info at: 'https://www.vmware.com/support/vcd/doc/
rest-api-doc-1.5-html/types/LeaseSettingsSectionType.html'
"""
def __init__(self, lease_id, deployment_lease=None, storage_lease=None,
deployment_lease_expiration=None,
storage_lease_expiration=None):
"""
:param lease_id: ID (link) to the lease settings section of a vApp.
:type lease_id: ``str``
:param deployment_lease: Deployment lease time in seconds
:type deployment_lease: ``int`` or ``None``
:param storage_lease: Storage lease time in seconds
:type storage_lease: ``int`` or ``None``
:param deployment_lease_expiration: Deployment lease expiration time
:type deployment_lease_expiration: ``datetime.datetime`` or ``None``
:param storage_lease_expiration: Storage lease expiration time
:type storage_lease_expiration: ``datetime.datetime`` or ``None``
"""
self.lease_id = lease_id
self.deployment_lease = deployment_lease
self.storage_lease = storage_lease
self.deployment_lease_expiration = deployment_lease_expiration
self.storage_lease_expiration = storage_lease_expiration
@classmethod
def to_lease(cls, lease_element):
"""
Convert lease settings element to lease instance.
:param lease_element: "LeaseSettingsSection" XML element
:type lease_element: ``ET.Element``
:return: Lease instance
:rtype: :class:`Lease`
"""
lease_id = lease_element.get('href')
deployment_lease = lease_element.find(
fixxpath(lease_element, 'DeploymentLeaseInSeconds')
)
storage_lease = lease_element.find(
fixxpath(lease_element, 'StorageLeaseInSeconds')
)
deployment_lease_expiration = lease_element.find(
fixxpath(lease_element, 'DeploymentLeaseExpiration')
)
storage_lease_expiration = lease_element.find(
fixxpath(lease_element, 'StorageLeaseExpiration')
)
def apply_if_elem_not_none(elem, function):
return function(elem.text) if elem is not None else None
return cls(
lease_id=lease_id,
deployment_lease=apply_if_elem_not_none(deployment_lease, int),
storage_lease=apply_if_elem_not_none(storage_lease, int),
deployment_lease_expiration=apply_if_elem_not_none(
deployment_lease_expiration,
parse_date
),
storage_lease_expiration=apply_if_elem_not_none(
storage_lease_expiration,
parse_date
)
)
def get_deployment_time(self):
"""
Gets the date and time a vApp was deployed. Time is inferred from the
deployment lease and expiration or the storage lease and expiration.
:return: Date and time the vApp was deployed or None if unable to
calculate
:rtype: ``datetime.datetime`` or ``None``
"""
if (self.deployment_lease is not None
and self.deployment_lease_expiration is not None):
return self.deployment_lease_expiration - datetime.timedelta(
seconds=self.deployment_lease
)
if (self.storage_lease is not None
and self.storage_lease_expiration is not None):
return self.storage_lease_expiration - datetime.timedelta(
seconds=self.storage_lease
)
raise Exception('Cannot get time deployed. '
'Missing complete lease and expiration information.')
def __repr__(self):
return (
'<Lease: id={lease_id}, deployment_lease={deployment_lease}, '
'storage_lease={storage_lease}, '
'deployment_lease_expiration={deployment_lease_expiration}, '
'storage_lease_expiration={storage_lease_expiration}>'.format(
lease_id=self.lease_id,
deployment_lease=self.deployment_lease,
storage_lease=self.storage_lease,
deployment_lease_expiration=self.deployment_lease_expiration,
storage_lease_expiration=self.storage_lease_expiration
)
)
def __eq__(self, other):
if not isinstance(other, Lease):
return False
return (
self.lease_id == other.lease_id
and self.deployment_lease == other.deployment_lease
and self.storage_lease == other.storage_lease
and (self.deployment_lease_expiration
== other.deployment_lease_expiration)
and self.storage_lease_expiration == other.storage_lease_expiration
)
def __ne__(self, other):
return not self == other
class InstantiateVAppXML(object):
def __init__(self, name, template, net_href, cpus, memory,
password=None, row=None, group=None):
self.name = name
self.template = template
self.net_href = net_href
self.cpus = cpus
self.memory = memory
self.password = password
self.row = row
self.group = group
self._build_xmltree()
def tostring(self):
return ET.tostring(self.root)
def _build_xmltree(self):
self.root = self._make_instantiation_root()
self._add_vapp_template(self.root)
instantiation_params = ET.SubElement(self.root,
"InstantiationParams")
# product and virtual hardware
self._make_product_section(instantiation_params)
self._make_virtual_hardware(instantiation_params)
network_config_section = ET.SubElement(instantiation_params,
"NetworkConfigSection")
network_config = ET.SubElement(network_config_section,
"NetworkConfig")
self._add_network_association(network_config)
def _make_instantiation_root(self):
return ET.Element(
"InstantiateVAppTemplateParams",
{'name': self.name,
'xml:lang': 'en',
'xmlns': "http://www.vmware.com/vcloud/v0.8",
'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance"}
)
def _add_vapp_template(self, parent):
return ET.SubElement(
parent,
"VAppTemplate",
{'href': self.template}
)
def _make_product_section(self, parent):
prod_section = ET.SubElement(
parent,
"ProductSection",
{'xmlns:q1': "http://www.vmware.com/vcloud/v0.8",
'xmlns:ovf': "http://schemas.dmtf.org/ovf/envelope/1"}
)
if self.password:
self._add_property(prod_section, 'password', self.password)
if self.row:
self._add_property(prod_section, 'row', self.row)
if self.group:
self._add_property(prod_section, 'group', self.group)
return prod_section
def _add_property(self, parent, ovfkey, ovfvalue):
return ET.SubElement(
parent,
"Property",
{'xmlns': 'http://schemas.dmtf.org/ovf/envelope/1',
'ovf:key': ovfkey,
'ovf:value': ovfvalue}
)
def _make_virtual_hardware(self, parent):
vh = ET.SubElement(
parent,
"VirtualHardwareSection",
{'xmlns:q1': "http://www.vmware.com/vcloud/v0.8"}
)
self._add_cpu(vh)
self._add_memory(vh)
return vh
def _add_cpu(self, parent):
cpu_item = ET.SubElement(
parent,
"Item",
{'xmlns': "http://schemas.dmtf.org/ovf/envelope/1"}
)
self._add_instance_id(cpu_item, '1')
self._add_resource_type(cpu_item, '3')
self._add_virtual_quantity(cpu_item, self.cpus)
return cpu_item
def _add_memory(self, parent):
mem_item = ET.SubElement(
parent,
'Item',
{'xmlns': "http://schemas.dmtf.org/ovf/envelope/1"}
)
self._add_instance_id(mem_item, '2')
self._add_resource_type(mem_item, '4')
self._add_virtual_quantity(mem_item, self.memory)
return mem_item
def _add_instance_id(self, parent, id):
elm = ET.SubElement(
parent,
'InstanceID',
{'xmlns': 'http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/'
'CIM_ResourceAllocationSettingData'}
)
elm.text = id
return elm
def _add_resource_type(self, parent, type):
elm = ET.SubElement(
parent,
'ResourceType',
{'xmlns': 'http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/'
'CIM_ResourceAllocationSettingData'}
)
elm.text = type
return elm
def _add_virtual_quantity(self, parent, amount):
elm = ET.SubElement(
parent,
'VirtualQuantity',
{'xmlns': 'http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/'
'CIM_ResourceAllocationSettingData'}
)
elm.text = amount
return elm
def _add_network_association(self, parent):
return ET.SubElement(
parent,
'NetworkAssociation',
{'href': self.net_href}
)
class VCloudResponse(XmlResponse):
def success(self):
return self.status in (httplib.OK, httplib.CREATED,
httplib.NO_CONTENT, httplib.ACCEPTED)
class VCloudConnection(ConnectionUserAndKey):
"""
Connection class for the vCloud driver
"""
responseCls = VCloudResponse
token = None
host = None
def request(self, *args, **kwargs):
self._get_auth_token()
return super(VCloudConnection, self).request(*args, **kwargs)
def check_org(self):
# the only way to get our org is by logging in.
self._get_auth_token()
def _get_auth_headers(self):
"""Some providers need different headers than others"""
return {
'Authorization': "Basic %s" % base64.b64encode(
b('%s:%s' % (self.user_id, self.key))).decode('utf-8'),
'Content-Length': '0',
'Accept': 'application/*+xml'
}
def _get_auth_token(self):
if not self.token:
self.connection.request(method='POST', url='/api/v0.8/login',
headers=self._get_auth_headers())
resp = self.connection.getresponse()
headers = resp.headers
body = ET.XML(resp.text)
try:
self.token = headers['set-cookie']
except KeyError:
raise InvalidCredsError()
self.driver.org = get_url_path(
body.find(fixxpath(body, 'Org')).get('href')
)
def add_default_headers(self, headers):
headers['Cookie'] = self.token
headers['Accept'] = 'application/*+xml'
return headers
class VCloudNodeDriver(NodeDriver):
"""
vCloud node driver
"""
type = Provider.VCLOUD
name = 'vCloud'
website = 'http://www.vmware.com/products/vcloud/'
connectionCls = VCloudConnection
org = None
_vdcs = None
NODE_STATE_MAP = {'0': NodeState.PENDING,
'1': NodeState.PENDING,
'2': NodeState.PENDING,
'3': NodeState.PENDING,
'4': NodeState.RUNNING}
features = {'create_node': ['password']}
def __new__(cls, key, secret=None, secure=True, host=None, port=None,
api_version=DEFAULT_API_VERSION, **kwargs):
if cls is VCloudNodeDriver:
if api_version == '0.8':
cls = VCloudNodeDriver
elif api_version == '1.5':
cls = VCloud_1_5_NodeDriver
elif api_version == '5.1':
cls = VCloud_5_1_NodeDriver
elif api_version == '5.5':
cls = VCloud_5_5_NodeDriver
else:
raise NotImplementedError(
"No VCloudNodeDriver found for API version %s" %
(api_version))
return super(VCloudNodeDriver, cls).__new__(cls)
@property
def vdcs(self):
"""
vCloud virtual data centers (vDCs).
:return: list of vDC objects
:rtype: ``list`` of :class:`Vdc`
"""
if not self._vdcs:
self.connection.check_org() # make sure the org is set.
res = self.connection.request(self.org)
self._vdcs = [
self._to_vdc(
self.connection.request(get_url_path(i.get('href'))).object
)
for i in res.object.findall(fixxpath(res.object, "Link"))
if i.get('type') == 'application/vnd.vmware.vcloud.vdc+xml'
]
return self._vdcs
def _to_vdc(self, vdc_elm):
return Vdc(vdc_elm.get('href'), vdc_elm.get('name'), self)
def _get_vdc(self, vdc_name):
vdc = None
if not vdc_name:
# Return the first organisation VDC found
vdc = self.vdcs[0]
else:
for v in self.vdcs:
if v.name == vdc_name or v.id == vdc_name:
vdc = v
if vdc is None:
raise ValueError('%s virtual data centre could not be found' %
(vdc_name))
return vdc
@property
def networks(self):
networks = []
for vdc in self.vdcs:
res = self.connection.request(get_url_path(vdc.id)).object
networks.extend(
[network
for network in res.findall(
fixxpath(res, 'AvailableNetworks/Network')
)]
)
return networks
def _to_image(self, image):
image = NodeImage(id=image.get('href'),
name=image.get('name'),
driver=self.connection.driver)
return image
def _to_node(self, elm):
state = self.NODE_STATE_MAP[elm.get('status')]
name = elm.get('name')
public_ips = []
private_ips = []
# Following code to find private IPs works for Terremark
connections = elm.findall('%s/%s' % (
'{http://schemas.dmtf.org/ovf/envelope/1}NetworkConnectionSection',
fixxpath(elm, 'NetworkConnection'))
)
if not connections:
connections = elm.findall(
fixxpath(
elm,
'Children/Vm/NetworkConnectionSection/NetworkConnection'))
for connection in connections:
ips = [ip.text
for ip
in connection.findall(fixxpath(elm, "IpAddress"))]
if connection.get('Network') == 'Internal':
private_ips.extend(ips)
else:
public_ips.extend(ips)
node = Node(id=elm.get('href'),
name=name,
state=state,
public_ips=public_ips,
private_ips=private_ips,
driver=self.connection.driver)
return node
def _get_catalog_hrefs(self):
res = self.connection.request(self.org)
catalogs = [
i.get('href')
for i in res.object.findall(fixxpath(res.object, "Link"))
if i.get('type') == 'application/vnd.vmware.vcloud.catalog+xml'
]
return catalogs
def _wait_for_task_completion(self, task_href,
timeout=DEFAULT_TASK_COMPLETION_TIMEOUT):
start_time = time.time()
res = self.connection.request(get_url_path(task_href))
status = res.object.get('status')
while status != 'success':
if status == 'error':
# Get error reason from the response body
error_elem = res.object.find(fixxpath(res.object, 'Error'))
error_msg = "Unknown error"
if error_elem is not None:
error_msg = error_elem.get('message')
raise Exception("Error status returned by task %s.: %s"
% (task_href, error_msg))
if status == 'canceled':
raise Exception("Canceled status returned by task %s."
% task_href)
if (time.time() - start_time >= timeout):
raise Exception("Timeout (%s sec) while waiting for task %s."
% (timeout, task_href))
time.sleep(5)
res = self.connection.request(get_url_path(task_href))
status = res.object.get('status')
def destroy_node(self, node):
node_path = get_url_path(node.id)
# blindly poweroff node, it will throw an exception if already off
try:
res = self.connection.request('%s/power/action/poweroff'
% node_path,
method='POST')
self._wait_for_task_completion(res.object.get('href'))
except Exception:
pass
try:
res = self.connection.request('%s/action/undeploy' % node_path,
method='POST')
self._wait_for_task_completion(res.object.get('href'))
except ExpatError:
# The undeploy response is malformed XML atm.
# We can remove this whent he providers fix the problem.
pass
except Exception:
# Some vendors don't implement undeploy at all yet,
# so catch this and move on.
pass
res = self.connection.request(node_path, method='DELETE')
return res.status == httplib.ACCEPTED
def reboot_node(self, node):
res = self.connection.request('%s/power/action/reset'
% get_url_path(node.id),
method='POST')
return res.status in [httplib.ACCEPTED, httplib.NO_CONTENT]
def list_nodes(self):
return self.ex_list_nodes()
def ex_list_nodes(self, vdcs=None):
"""
List all nodes across all vDCs. Using 'vdcs' you can specify which vDCs
should be queried.
:param vdcs: None, vDC or a list of vDCs to query. If None all vDCs
will be queried.
:type vdcs: :class:`Vdc`
:rtype: ``list`` of :class:`Node`
"""
if not vdcs:
vdcs = self.vdcs
if not isinstance(vdcs, (list, tuple)):
vdcs = [vdcs]
nodes = []
for vdc in vdcs:
res = self.connection.request(get_url_path(vdc.id))
elms = res.object.findall(fixxpath(
res.object, "ResourceEntities/ResourceEntity")
)
vapps = [
(i.get('name'), i.get('href'))
for i in elms if
i.get('type') == 'application/vnd.vmware.vcloud.vApp+xml' and
i.get('name')
]
for vapp_name, vapp_href in vapps:
try:
res = self.connection.request(
get_url_path(vapp_href),
headers={'Content-Type':
'application/vnd.vmware.vcloud.vApp+xml'}
)
nodes.append(self._to_node(res.object))
except Exception as e:
# The vApp was probably removed since the previous vDC
# query, ignore
# pylint: disable=no-member
if not (e.args[0].tag.endswith('Error') and
e.args[0].get('minorErrorCode') ==
'ACCESS_TO_RESOURCE_IS_FORBIDDEN'):
raise
return nodes
def _to_size(self, ram):
ns = NodeSize(
id=None,
name="%s Ram" % ram,
ram=ram,
disk=None,
bandwidth=None,
price=None,
driver=self.connection.driver
)
return ns
def list_sizes(self, location=None):
sizes = [self._to_size(i) for i in VIRTUAL_MEMORY_VALS]
return sizes
def _get_catalogitems_hrefs(self, catalog):
"""Given a catalog href returns contained catalog item hrefs"""
res = self.connection.request(
get_url_path(catalog),
headers={
'Content-Type': 'application/vnd.vmware.vcloud.catalog+xml'
}
).object
cat_items = res.findall(fixxpath(res, "CatalogItems/CatalogItem"))
cat_item_hrefs = [i.get('href')
for i in cat_items
if i.get('type') ==
'application/vnd.vmware.vcloud.catalogItem+xml']
return cat_item_hrefs
def _get_catalogitem(self, catalog_item):
"""Given a catalog item href returns elementree"""
res = self.connection.request(
get_url_path(catalog_item),
headers={
'Content-Type': 'application/vnd.vmware.vcloud.catalogItem+xml'
}
).object
return res
def list_images(self, location=None):
images = []
for vdc in self.vdcs:
res = self.connection.request(get_url_path(vdc.id)).object
res_ents = res.findall(fixxpath(
res, "ResourceEntities/ResourceEntity")
)
images += [
self._to_image(i)
for i in res_ents
if i.get('type') ==
'application/vnd.vmware.vcloud.vAppTemplate+xml'
]
for catalog in self._get_catalog_hrefs():
for cat_item in self._get_catalogitems_hrefs(catalog):
res = self._get_catalogitem(cat_item)
res_ents = res.findall(fixxpath(res, 'Entity'))
images += [
self._to_image(i)
for i in res_ents
if i.get('type') ==
'application/vnd.vmware.vcloud.vAppTemplate+xml'
]
def idfun(image):
return image.id
return self._uniquer(images, idfun)
def _uniquer(self, seq, idfun=None):
if idfun is None:
def idfun(x): # pylint: disable=function-redefined
return x
seen = {}
result = []
for item in seq:
marker = idfun(item)
if marker in seen:
continue
seen[marker] = 1
result.append(item)
return result
def create_node(self, name, size, image, auth=None, ex_network=None,
ex_vdc=None, ex_cpus=1, ex_row=None, ex_group=None):
"""
Creates and returns node.
:keyword ex_network: link to a "Network" e.g.,
``https://services.vcloudexpress...``
:type ex_network: ``str``
:keyword ex_vdc: Name of organisation's virtual data
center where vApp VMs will be deployed.
:type ex_vdc: ``str``
:keyword ex_cpus: number of virtual cpus (limit depends on provider)
:type ex_cpus: ``int``
:type ex_row: ``str``
:type ex_group: ``str``
"""
# Some providers don't require a network link
try:
network = ex_network or self.networks[0].get('href')
except IndexError:
network = ''
password = None
auth = self._get_and_check_auth(auth)
password = auth.password
instantiate_xml = InstantiateVAppXML(
name=name,
template=image.id,
net_href=network,
cpus=str(ex_cpus),
memory=str(size.ram),
password=password,
row=ex_row,
group=ex_group
)
vdc = self._get_vdc(ex_vdc)
# Instantiate VM and get identifier.
content_type = \
'application/vnd.vmware.vcloud.instantiateVAppTemplateParams+xml'
res = self.connection.request(
'%s/action/instantiateVAppTemplate' % get_url_path(vdc.id),
data=instantiate_xml.tostring(),
method='POST',
headers={'Content-Type': content_type}
)
vapp_path = get_url_path(res.object.get('href'))
# Deploy the VM from the identifier.
res = self.connection.request('%s/action/deploy' % vapp_path,
method='POST')
self._wait_for_task_completion(res.object.get('href'))
# Power on the VM.
res = self.connection.request('%s/power/action/powerOn' % vapp_path,
method='POST')
res = self.connection.request(vapp_path)
node = self._to_node(res.object)
if getattr(auth, "generated", False):
node.extra['password'] = auth.password
return node
class HostingComConnection(VCloudConnection):
"""
vCloud connection subclass for Hosting.com
"""
host = "vcloud.safesecureweb.com"
def _get_auth_headers(self):
"""hosting.com doesn't follow the standard vCloud authentication API"""
return {
'Authentication': base64.b64encode(b('%s:%s' % (self.user_id,
self.key))),
'Content-Length': '0'
}
class HostingComDriver(VCloudNodeDriver):
"""
vCloud node driver for Hosting.com
"""
connectionCls = HostingComConnection
class TerremarkConnection(VCloudConnection):
"""
vCloud connection subclass for Terremark
"""
host = "services.vcloudexpress.terremark.com"
class TerremarkDriver(VCloudNodeDriver):
"""
vCloud node driver for Terremark
"""
connectionCls = TerremarkConnection
def list_locations(self):
return [NodeLocation(0, "Terremark Texas", 'US', self)]
class VCloud_1_5_Connection(VCloudConnection):
def _get_auth_headers(self):
"""Compatibility for using v1.5 API under vCloud Director 5.1"""
return {
'Authorization': "Basic %s" % base64.b64encode(
b('%s:%s' % (self.user_id, self.key))).decode('utf-8'),
'Content-Length': '0',
'Accept': 'application/*+xml;version=1.5'
}
def _get_auth_token(self):
if not self.token:
# Log In
self.connection.request(method='POST', url='/api/sessions',
headers=self._get_auth_headers())
resp = self.connection.getresponse()
headers = resp.headers
# Set authorization token
try:
self.token = headers['x-vcloud-authorization']
except KeyError:
raise InvalidCredsError()
# Get the URL of the Organization
body = ET.XML(resp.text)
self.org_name = body.get('org')
# pylint: disable=no-member
org_list_url = get_url_path(
next((link for link in body.findall(fixxpath(body, 'Link'))
if link.get('type') ==
'application/vnd.vmware.vcloud.orgList+xml')).get('href')
)
if self.proxy_url is not None:
self.connection.set_http_proxy(self.proxy_url)
self.connection.request(method='GET', url=org_list_url,
headers=self.add_default_headers({}))
body = ET.XML(self.connection.getresponse().text)
# pylint: disable=no-member
self.driver.org = get_url_path(
next((org for org in body.findall(fixxpath(body, 'Org'))
if org.get('name') == self.org_name)).get('href')
)
def add_default_headers(self, headers):
headers['Accept'] = 'application/*+xml;version=1.5'
headers['x-vcloud-authorization'] = self.token
return headers
class VCloud_5_5_Connection(VCloud_1_5_Connection):
def _get_auth_headers(self):
"""Compatibility for using v5.5 of the API"""
auth_headers = super(VCloud_5_5_Connection, self)._get_auth_headers()
auth_headers['Accept'] = 'application/*+xml;version=5.5'
return auth_headers
def add_default_headers(self, headers):
headers['Accept'] = 'application/*+xml;version=5.5'
headers['x-vcloud-authorization'] = self.token
return headers
class Instantiate_1_5_VAppXML(object):
def __init__(self, name, template, network, vm_network=None,
vm_fence=None, description=None):
self.name = name
self.template = template
self.network = network
self.vm_network = vm_network
self.vm_fence = vm_fence
self.description = description
self._build_xmltree()
def tostring(self):
return ET.tostring(self.root)
def _build_xmltree(self):
self.root = self._make_instantiation_root()
if self.network is not None:
instantiation_params = ET.SubElement(self.root,
'InstantiationParams')
network_config_section = ET.SubElement(instantiation_params,
'NetworkConfigSection')
ET.SubElement(
network_config_section,
'Info',
{'xmlns': 'http://schemas.dmtf.org/ovf/envelope/1'}
)
network_config = ET.SubElement(network_config_section,
'NetworkConfig')
self._add_network_association(network_config)
if self.description is not None:
ET.SubElement(self.root, 'Description').text = self.description
self._add_vapp_template(self.root)
def _make_instantiation_root(self):
return ET.Element(
'InstantiateVAppTemplateParams',
{'name': self.name,
'deploy': 'false',
'powerOn': 'false',
'xml:lang': 'en',
'xmlns': 'http://www.vmware.com/vcloud/v1.5',
'xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance'}
)
def _add_vapp_template(self, parent):
return ET.SubElement(
parent,
'Source',
{'href': self.template}
)
def _add_network_association(self, parent):
if self.vm_network is None:
# Don't set a custom vApp VM network name
parent.set('networkName', self.network.get('name'))
else:
# Set a custom vApp VM network name
parent.set('networkName', self.vm_network)
configuration = ET.SubElement(parent, 'Configuration')
ET.SubElement(configuration, 'ParentNetwork',
{'href': self.network.get('href')})
if self.vm_fence is None:
fencemode = self.network.find(fixxpath(self.network,
'Configuration/FenceMode')).text
else:
fencemode = self.vm_fence
ET.SubElement(configuration, 'FenceMode').text = fencemode
class VCloud_1_5_NodeDriver(VCloudNodeDriver):
connectionCls = VCloud_1_5_Connection
# Based on
# http://pubs.vmware.com/vcloud-api-1-5/api_prog/
# GUID-843BE3AD-5EF6-4442-B864-BCAE44A51867.html
NODE_STATE_MAP = {'-1': NodeState.UNKNOWN,
'0': NodeState.PENDING,
'1': NodeState.PENDING,
'2': NodeState.PENDING,
'3': NodeState.PENDING,
'4': NodeState.RUNNING,
'5': NodeState.RUNNING,
'6': NodeState.UNKNOWN,
'7': NodeState.UNKNOWN,
'8': NodeState.STOPPED,
'9': NodeState.UNKNOWN,
'10': NodeState.UNKNOWN}
def list_locations(self):
return [NodeLocation(id=self.connection.host,
name=self.connection.host, country="N/A", driver=self)]
def ex_find_node(self, node_name, vdcs=None):
"""
Searches for node across specified vDCs. This is more effective than
querying all nodes to get a single instance.
:param node_name: The name of the node to search for
:type node_name: ``str``
:param vdcs: None, vDC or a list of vDCs to search in. If None all vDCs
will be searched.
:type vdcs: :class:`Vdc`
:return: node instance or None if not found
:rtype: :class:`Node` or ``None``
"""
if not vdcs:
vdcs = self.vdcs
if not getattr(vdcs, '__iter__', False):
vdcs = [vdcs]
for vdc in vdcs:
res = self.connection.request(get_url_path(vdc.id))
xpath = fixxpath(res.object, "ResourceEntities/ResourceEntity")
entity_elems = res.object.findall(xpath)
for entity_elem in entity_elems:
if entity_elem.get('type') == \
'application/vnd.vmware.vcloud.vApp+xml' and \
entity_elem.get('name') == node_name:
path = entity_elem.get('href')
return self._ex_get_node(path)
return None
def ex_find_vm_nodes(self, vm_name, max_results=50):
"""
Finds nodes that contain a VM with the specified name.
:param vm_name: The VM name to find nodes for
:type vm_name: ``str``
:param max_results: Maximum number of results up to 128
:type max_results: ``int``
:return: List of node instances
:rtype: `list` of :class:`Node`
"""
vms = self.ex_query(
'vm',
filter='name=={vm_name}'.format(vm_name=vm_name),
page=1,
page_size=max_results
)
return [self._ex_get_node(vm['container']) for vm in vms]
def destroy_node(self, node, shutdown=True):
try:
self.ex_undeploy_node(node, shutdown=shutdown)
except Exception:
# Some vendors don't implement undeploy at all yet,
# so catch this and move on.
pass
res = self.connection.request(get_url_path(node.id), method='DELETE')
return res.status == httplib.ACCEPTED
def reboot_node(self, node):
res = self.connection.request('%s/power/action/reset'
% get_url_path(node.id),
method='POST')
if res.status in [httplib.ACCEPTED, httplib.NO_CONTENT]:
self._wait_for_task_completion(res.object.get('href'))
return True
else:
return False
def ex_deploy_node(self, node, ex_force_customization=False):
"""
Deploys existing node. Equal to vApp "start" operation.
:param node: The node to be deployed
:type node: :class:`Node`
:param ex_force_customization: Used to specify whether to force
customization on deployment,
if not set default value is False.
:type ex_force_customization: ``bool``
:rtype: :class:`Node`
"""
if ex_force_customization:
vms = self._get_vm_elements(node.id)
for vm in vms:
self._ex_deploy_node_or_vm(vm.get('href'),
ex_force_customization=True)
else:
self._ex_deploy_node_or_vm(node.id)
res = self.connection.request(get_url_path(node.id))
return self._to_node(res.object)
def _ex_deploy_node_or_vm(self, vapp_or_vm_path,
ex_force_customization=False):
data = {'powerOn': 'true',
'forceCustomization': str(ex_force_customization).lower(),
'xmlns': 'http://www.vmware.com/vcloud/v1.5'}
deploy_xml = ET.Element('DeployVAppParams', data)
path = get_url_path(vapp_or_vm_path)
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.deployVAppParams+xml'
}
res = self.connection.request('%s/action/deploy' % path,
data=ET.tostring(deploy_xml),
method='POST',
headers=headers)
self._wait_for_task_completion(res.object.get('href'))
def ex_undeploy_node(self, node, shutdown=True):
"""
Undeploys existing node. Equal to vApp "stop" operation.
:param node: The node to be deployed
:type node: :class:`Node`
:param shutdown: Whether to shutdown or power off the guest when
undeploying
:type shutdown: ``bool``
:rtype: :class:`Node`
"""
data = {'xmlns': 'http://www.vmware.com/vcloud/v1.5'}
undeploy_xml = ET.Element('UndeployVAppParams', data)
undeploy_power_action_xml = ET.SubElement(undeploy_xml,
'UndeployPowerAction')
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.undeployVAppParams+xml'
}
def undeploy(action):
undeploy_power_action_xml.text = action
undeploy_res = self.connection.request(
'%s/action/undeploy' % get_url_path(node.id),
data=ET.tostring(undeploy_xml),
method='POST',
headers=headers)
self._wait_for_task_completion(undeploy_res.object.get('href'))
if shutdown:
try:
undeploy('shutdown')
except Exception:
undeploy('powerOff')
else:
undeploy('powerOff')
res = self.connection.request(get_url_path(node.id))
return self._to_node(res.object)
def ex_power_off_node(self, node):
"""
Powers on all VMs under specified node. VMs need to be This operation
is allowed only when the vApp/VM is powered on.
:param node: The node to be powered off
:type node: :class:`Node`
:rtype: :class:`Node`
"""
return self._perform_power_operation(node, 'powerOff')
def ex_power_on_node(self, node):
"""
Powers on all VMs under specified node. This operation is allowed
only when the vApp/VM is powered off or suspended.
:param node: The node to be powered on
:type node: :class:`Node`
:rtype: :class:`Node`
"""
return self._perform_power_operation(node, 'powerOn')
def ex_shutdown_node(self, node):
"""
Shutdowns all VMs under specified node. This operation is allowed only
when the vApp/VM is powered on.
:param node: The node to be shut down
:type node: :class:`Node`
:rtype: :class:`Node`
"""
return self._perform_power_operation(node, 'shutdown')
def ex_suspend_node(self, node):
"""
Suspends all VMs under specified node. This operation is allowed only
when the vApp/VM is powered on.
:param node: The node to be suspended
:type node: :class:`Node`
:rtype: :class:`Node`
"""
return self._perform_power_operation(node, 'suspend')
def _perform_power_operation(self, node, operation):
res = self.connection.request(
'%s/power/action/%s' % (get_url_path(node.id), operation),
method='POST')
self._wait_for_task_completion(res.object.get('href'))
res = self.connection.request(get_url_path(node.id))
return self._to_node(res.object)
def ex_get_control_access(self, node):
"""
Returns the control access settings for specified node.
:param node: node to get the control access for
:type node: :class:`Node`
:rtype: :class:`ControlAccess`
"""
res = self.connection.request(
'%s/controlAccess' % get_url_path(node.id))
everyone_access_level = None
is_shared_elem = res.object.find(
fixxpath(res.object, "IsSharedToEveryone"))
if is_shared_elem is not None and is_shared_elem.text == 'true':
everyone_access_level = res.object.find(
fixxpath(res.object, "EveryoneAccessLevel")).text
# Parse all subjects
subjects = []
xpath = fixxpath(res.object, "AccessSettings/AccessSetting")
for elem in res.object.findall(xpath):
access_level = elem.find(fixxpath(res.object, "AccessLevel")).text
subject_elem = elem.find(fixxpath(res.object, "Subject"))
if subject_elem.get('type') == \
'application/vnd.vmware.admin.group+xml':
subj_type = 'group'
else:
subj_type = 'user'
path = get_url_path(subject_elem.get('href'))
res = self.connection.request(path)
name = res.object.get('name')
subject = Subject(type=subj_type,
name=name,
access_level=access_level,
id=subject_elem.get('href'))
subjects.append(subject)
return ControlAccess(node, everyone_access_level, subjects)
def ex_set_control_access(self, node, control_access):
"""
Sets control access for the specified node.
:param node: node
:type node: :class:`Node`
:param control_access: control access settings
:type control_access: :class:`ControlAccess`
:rtype: ``None``
"""
xml = ET.Element('ControlAccessParams',
{'xmlns': 'http://www.vmware.com/vcloud/v1.5'})
shared_to_everyone = ET.SubElement(xml, 'IsSharedToEveryone')
if control_access.everyone_access_level:
shared_to_everyone.text = 'true'
everyone_access_level = ET.SubElement(xml, 'EveryoneAccessLevel')
everyone_access_level.text = control_access.everyone_access_level
else:
shared_to_everyone.text = 'false'
# Set subjects
if control_access.subjects:
access_settings_elem = ET.SubElement(xml, 'AccessSettings')
for subject in control_access.subjects:
setting = ET.SubElement(access_settings_elem, 'AccessSetting')
if subject.id:
href = subject.id
else:
res = self.ex_query(type=subject.type, filter='name==' +
subject.name)
if not res:
raise LibcloudError('Specified subject "%s %s" not found '
% (subject.type, subject.name))
href = res[0]['href']
ET.SubElement(setting, 'Subject', {'href': href})
ET.SubElement(setting, 'AccessLevel').text = subject.access_level
headers = {
'Content-Type': 'application/vnd.vmware.vcloud.controlAccess+xml'
}
self.connection.request(
'%s/action/controlAccess' % get_url_path(node.id),
data=ET.tostring(xml),
headers=headers,
method='POST')
def ex_get_metadata(self, node):
"""
:param node: node
:type node: :class:`Node`
:return: dictionary mapping metadata keys to metadata values
:rtype: dictionary mapping ``str`` to ``str``
"""
res = self.connection.request('%s/metadata' % (get_url_path(node.id)))
xpath = fixxpath(res.object, 'MetadataEntry')
metadata_entries = res.object.findall(xpath)
res_dict = {}
for entry in metadata_entries:
key = entry.findtext(fixxpath(res.object, 'Key'))
value = entry.findtext(fixxpath(res.object, 'Value'))
res_dict[key] = value
return res_dict
def ex_set_metadata_entry(self, node, key, value):
"""
:param node: node
:type node: :class:`Node`
:param key: metadata key to be set
:type key: ``str``
:param value: metadata value to be set
:type value: ``str``
:rtype: ``None``
"""
metadata_elem = ET.Element(
'Metadata',
{'xmlns': "http://www.vmware.com/vcloud/v1.5",
'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance"}
)
entry = ET.SubElement(metadata_elem, 'MetadataEntry')
key_elem = ET.SubElement(entry, 'Key')
key_elem.text = key
value_elem = ET.SubElement(entry, 'Value')
value_elem.text = value
# send it back to the server
res = self.connection.request(
'%s/metadata' % get_url_path(node.id),
data=ET.tostring(metadata_elem),
headers={
'Content-Type': 'application/vnd.vmware.vcloud.metadata+xml'
},
method='POST')
self._wait_for_task_completion(res.object.get('href'))
def ex_query(self, type, filter=None, page=1, page_size=100, sort_asc=None,
sort_desc=None):
"""
Queries vCloud for specified type. See
http://www.vmware.com/pdf/vcd_15_api_guide.pdf for details. Each
element of the returned list is a dictionary with all attributes from
the record.
:param type: type to query (r.g. user, group, vApp etc.)
:type type: ``str``
:param filter: filter expression (see documentation for syntax)
:type filter: ``str``
:param page: page number
:type page: ``int``
:param page_size: page size
:type page_size: ``int``
:param sort_asc: sort in ascending order by specified field
:type sort_asc: ``str``
:param sort_desc: sort in descending order by specified field
:type sort_desc: ``str``
:rtype: ``list`` of dict
"""
# This is a workaround for filter parameter encoding
# the urllib encodes (name==Developers%20Only) into
# %28name%3D%3DDevelopers%20Only%29) which is not accepted by vCloud
params = {
'type': type,
'pageSize': page_size,
'page': page,
}
if sort_asc:
params['sortAsc'] = sort_asc
if sort_desc:
params['sortDesc'] = sort_desc
url = '/api/query?' + urlencode(params)
if filter:
if not filter.startswith('('):
filter = '(' + filter + ')'
url += '&filter=' + filter.replace(' ', '+')
results = []
res = self.connection.request(url)
for elem in res.object:
if not elem.tag.endswith('Link'):
result = elem.attrib
result['type'] = elem.tag.split('}')[1]
results.append(result)
return results
def create_node(self, **kwargs):
"""
Creates and returns node. If the source image is:
- vApp template - a new vApp is instantiated from template
- existing vApp - a new vApp is cloned from the source vApp. Can
not clone more vApps is parallel otherwise
resource busy error is raised.
@inherits: :class:`NodeDriver.create_node`
:keyword image: OS Image to boot on node. (required). Can be a
NodeImage or existing Node that will be cloned.
:type image: :class:`NodeImage` or :class:`Node`
:keyword ex_network: Organisation's network name for attaching vApp
VMs to.
:type ex_network: ``str``
:keyword ex_vdc: Name of organisation's virtual data center where
vApp VMs will be deployed.
:type ex_vdc: ``str``
:keyword ex_vm_names: list of names to be used as a VM and computer
name. The name must be max. 15 characters
long and follow the host name requirements.
:type ex_vm_names: ``list`` of ``str``
:keyword ex_vm_cpu: number of virtual CPUs/cores to allocate for
each vApp VM.
:type ex_vm_cpu: ``int``
:keyword ex_vm_memory: amount of memory in MB to allocate for each
vApp VM.
:type ex_vm_memory: ``int``
:keyword ex_vm_script: full path to file containing guest
customisation script for each vApp VM.
Useful for creating users & pushing out
public SSH keys etc.
:type ex_vm_script: ``str``
:keyword ex_vm_script_text: content of guest customisation script
for each vApp VM. Overrides ex_vm_script
parameter.
:type ex_vm_script_text: ``str``
:keyword ex_vm_network: Override default vApp VM network name.
Useful for when you've imported an OVF
originating from outside of the vCloud.
:type ex_vm_network: ``str``
:keyword ex_vm_fence: Fence mode for connecting the vApp VM network
(ex_vm_network) to the parent
organisation network (ex_network).
:type ex_vm_fence: ``str``
:keyword ex_vm_ipmode: IP address allocation mode for all vApp VM
network connections.
:type ex_vm_ipmode: ``str``
:keyword ex_deploy: set to False if the node shouldn't be deployed
(started) after creation
:type ex_deploy: ``bool``
:keyword ex_force_customization: Used to specify whether to force
customization on deployment,
if not set default value is False.
:type ex_force_customization: ``bool``
:keyword ex_clone_timeout: timeout in seconds for clone/instantiate
VM operation.
Cloning might be a time consuming
operation especially when linked clones
are disabled or VMs are created on
different datastores.
Overrides the default task completion
value.
:type ex_clone_timeout: ``int``
:keyword ex_admin_password: set the node admin password explicitly.
:type ex_admin_password: ``str``
:keyword ex_description: Set a description for the vApp.
:type ex_description: ``str``
"""
name = kwargs['name']
image = kwargs['image']
ex_vm_names = kwargs.get('ex_vm_names')
ex_vm_cpu = kwargs.get('ex_vm_cpu')
ex_vm_memory = kwargs.get('ex_vm_memory')
ex_vm_script = kwargs.get('ex_vm_script')
ex_vm_script_text = kwargs.get('ex_vm_script_text', None)
ex_vm_fence = kwargs.get('ex_vm_fence', None)
ex_network = kwargs.get('ex_network', None)
ex_vm_network = kwargs.get('ex_vm_network', None)
ex_vm_ipmode = kwargs.get('ex_vm_ipmode', None)
ex_deploy = kwargs.get('ex_deploy', True)
ex_force_customization = kwargs.get('ex_force_customization', False)
ex_vdc = kwargs.get('ex_vdc', None)
ex_clone_timeout = kwargs.get('ex_clone_timeout',
DEFAULT_TASK_COMPLETION_TIMEOUT)
ex_admin_password = kwargs.get('ex_admin_password', None)
ex_description = kwargs.get('ex_description', None)
self._validate_vm_names(ex_vm_names)
self._validate_vm_cpu(ex_vm_cpu)
self._validate_vm_memory(ex_vm_memory)
self._validate_vm_fence(ex_vm_fence)
self._validate_vm_ipmode(ex_vm_ipmode)
ex_vm_script = self._validate_vm_script(ex_vm_script)
# Some providers don't require a network link
if ex_network:
network_href = self._get_network_href(ex_network)
network_elem = self.connection.request(
get_url_path(network_href)).object
else:
network_elem = None
vdc = self._get_vdc(ex_vdc)
if self._is_node(image):
vapp_name, vapp_href = self._clone_node(
name,
image,
vdc,
ex_clone_timeout
)
else:
vapp_name, vapp_href = self._instantiate_node(
name,
image,
network_elem,
vdc,
ex_vm_network,
ex_vm_fence,
ex_clone_timeout,
description=ex_description
)
self._change_vm_names(vapp_href, ex_vm_names)
self._change_vm_cpu(vapp_href, ex_vm_cpu)
self._change_vm_memory(vapp_href, ex_vm_memory)
self._change_vm_script(vapp_href, ex_vm_script, ex_vm_script_text)
self._change_vm_ipmode(vapp_href, ex_vm_ipmode)
if ex_admin_password is not None:
self.ex_change_vm_admin_password(vapp_href, ex_admin_password)
# Power on the VM.
if ex_deploy:
res = self.connection.request(get_url_path(vapp_href))
node = self._to_node(res.object)
# Retry 3 times: when instantiating large number of VMs at the same
# time some may fail on resource allocation
retry = 3
while True:
try:
self.ex_deploy_node(node, ex_force_customization)
break
except Exception:
if retry <= 0:
raise
retry -= 1
time.sleep(10)
res = self.connection.request(get_url_path(vapp_href))
node = self._to_node(res.object)
return node
def _instantiate_node(self, name, image, network_elem, vdc, vm_network,
vm_fence, instantiate_timeout, description=None):
instantiate_xml = Instantiate_1_5_VAppXML(
name=name,
template=image.id,
network=network_elem,
vm_network=vm_network,
vm_fence=vm_fence,
description=description
)
# Instantiate VM and get identifier.
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.instantiateVAppTemplateParams+xml'
}
res = self.connection.request(
'%s/action/instantiateVAppTemplate' % get_url_path(vdc.id),
data=instantiate_xml.tostring(),
method='POST',
headers=headers
)
vapp_name = res.object.get('name')
vapp_href = res.object.get('href')
task_href = res.object.find(fixxpath(res.object, "Tasks/Task")).get(
'href')
self._wait_for_task_completion(task_href, instantiate_timeout)
return vapp_name, vapp_href
def _clone_node(self, name, sourceNode, vdc, clone_timeout):
clone_xml = ET.Element(
"CloneVAppParams",
{'name': name, 'deploy': 'false', 'powerOn': 'false',
'xmlns': "http://www.vmware.com/vcloud/v1.5",
'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance"}
)
ET.SubElement(clone_xml,
'Description').text = 'Clone of ' + sourceNode.name
ET.SubElement(clone_xml, 'Source', {'href': sourceNode.id})
headers = {
'Content-Type': 'application/vnd.vmware.vcloud.cloneVAppParams+xml'
}
res = self.connection.request(
'%s/action/cloneVApp' % get_url_path(vdc.id),
data=ET.tostring(clone_xml),
method='POST',
headers=headers
)
vapp_name = res.object.get('name')
vapp_href = res.object.get('href')
task_href = res.object.find(
fixxpath(res.object, "Tasks/Task")).get('href')
self._wait_for_task_completion(task_href, clone_timeout)
res = self.connection.request(get_url_path(vapp_href))
vms = res.object.findall(fixxpath(res.object, "Children/Vm"))
# Fix the networking for VMs
for i, vm in enumerate(vms):
# Remove network
network_xml = ET.Element("NetworkConnectionSection", {
'ovf:required': 'false',
'xmlns': "http://www.vmware.com/vcloud/v1.5",
'xmlns:ovf': 'http://schemas.dmtf.org/ovf/envelope/1'})
ET.SubElement(network_xml, "ovf:Info").text = \
'Specifies the available VM network connections'
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.networkConnectionSection+xml'
}
res = self.connection.request(
'%s/networkConnectionSection' % get_url_path(vm.get('href')),
data=ET.tostring(network_xml),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
# Re-add network
network_xml = vm.find(fixxpath(vm, 'NetworkConnectionSection'))
network_conn_xml = network_xml.find(
fixxpath(network_xml, 'NetworkConnection'))
network_conn_xml.set('needsCustomization', 'true')
network_conn_xml.remove(
network_conn_xml.find(fixxpath(network_xml, 'IpAddress')))
network_conn_xml.remove(
network_conn_xml.find(fixxpath(network_xml, 'MACAddress')))
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.networkConnectionSection+xml'
}
res = self.connection.request(
'%s/networkConnectionSection' % get_url_path(vm.get('href')),
data=ET.tostring(network_xml),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
return vapp_name, vapp_href
def ex_set_vm_cpu(self, vapp_or_vm_id, vm_cpu):
"""
Sets the number of virtual CPUs for the specified VM or VMs under
the vApp. If the vapp_or_vm_id param represents a link to an vApp
all VMs that are attached to this vApp will be modified.
Please ensure that hot-adding a virtual CPU is enabled for the
powered on virtual machines. Otherwise use this method on undeployed
vApp.
:keyword vapp_or_vm_id: vApp or VM ID that will be modified. If
a vApp ID is used here all attached VMs
will be modified
:type vapp_or_vm_id: ``str``
:keyword vm_cpu: number of virtual CPUs/cores to allocate for
specified VMs
:type vm_cpu: ``int``
:rtype: ``None``
"""
self._validate_vm_cpu(vm_cpu)
self._change_vm_cpu(vapp_or_vm_id, vm_cpu)
def ex_set_vm_memory(self, vapp_or_vm_id, vm_memory):
"""
Sets the virtual memory in MB to allocate for the specified VM or
VMs under the vApp. If the vapp_or_vm_id param represents a link
to an vApp all VMs that are attached to this vApp will be modified.
Please ensure that hot-change of virtual memory is enabled for the
powered on virtual machines. Otherwise use this method on undeployed
vApp.
:keyword vapp_or_vm_id: vApp or VM ID that will be modified. If
a vApp ID is used here all attached VMs
will be modified
:type vapp_or_vm_id: ``str``
:keyword vm_memory: virtual memory in MB to allocate for the
specified VM or VMs
:type vm_memory: ``int``
:rtype: ``None``
"""
self._validate_vm_memory(vm_memory)
self._change_vm_memory(vapp_or_vm_id, vm_memory)
def ex_add_vm_disk(self, vapp_or_vm_id, vm_disk_size):
"""
Adds a virtual disk to the specified VM or VMs under the vApp. If the
vapp_or_vm_id param represents a link to an vApp all VMs that are
attached to this vApp will be modified.
:keyword vapp_or_vm_id: vApp or VM ID that will be modified. If a
vApp ID is used here all attached VMs
will be modified
:type vapp_or_vm_id: ``str``
:keyword vm_disk_size: the disk capacity in GB that will be added
to the specified VM or VMs
:type vm_disk_size: ``int``
:rtype: ``None``
"""
self._validate_vm_disk_size(vm_disk_size)
self._add_vm_disk(vapp_or_vm_id, vm_disk_size)
@staticmethod
def _validate_vm_names(names):
if names is None:
return
hname_re = re.compile(
r'^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9]*)[\-])*([A-Za-z]|[A-Za-z][A-Za-z0-9]*[A-Za-z0-9])$') # NOQA
for name in names:
if len(name) > 15:
raise ValueError(
'The VM name "' + name + '" is too long for the computer '
'name (max 15 chars allowed).')
if not hname_re.match(name):
raise ValueError('The VM name "' + name + '" can not be '
'used. "' + name + '" is not a valid '
'computer name for the VM.')
@staticmethod
def _validate_vm_memory(vm_memory):
if vm_memory is None:
return
elif vm_memory not in VIRTUAL_MEMORY_VALS:
raise ValueError(
'%s is not a valid vApp VM memory value' % vm_memory)
@staticmethod
def _validate_vm_cpu(vm_cpu):
if vm_cpu is None:
return
elif vm_cpu not in VIRTUAL_CPU_VALS_1_5:
raise ValueError('%s is not a valid vApp VM CPU value' % vm_cpu)
@staticmethod
def _validate_vm_disk_size(vm_disk):
if vm_disk is None:
return
elif int(vm_disk) < 0:
raise ValueError('%s is not a valid vApp VM disk space value',
vm_disk)
@staticmethod
def _validate_vm_script(vm_script):
if vm_script is None:
return
# Try to locate the script file
if not os.path.isabs(vm_script):
vm_script = os.path.expanduser(vm_script)
vm_script = os.path.abspath(vm_script)
if not os.path.isfile(vm_script):
raise LibcloudError(
"%s the VM script file does not exist" % vm_script)
try:
open(vm_script).read()
except Exception:
raise
return vm_script
@staticmethod
def _validate_vm_fence(vm_fence):
if vm_fence is None:
return
elif vm_fence not in FENCE_MODE_VALS_1_5:
raise ValueError('%s is not a valid fencing mode value' % vm_fence)
@staticmethod
def _validate_vm_ipmode(vm_ipmode):
if vm_ipmode is None:
return
elif vm_ipmode == 'MANUAL':
raise NotImplementedError(
'MANUAL IP mode: The interface for supplying '
'IPAddress does not exist yet')
elif vm_ipmode not in IP_MODE_VALS_1_5:
raise ValueError(
'%s is not a valid IP address allocation mode value'
% vm_ipmode)
def _change_vm_names(self, vapp_or_vm_id, vm_names):
if vm_names is None:
return
vms = self._get_vm_elements(vapp_or_vm_id)
for i, vm in enumerate(vms):
if len(vm_names) <= i:
return
# Get GuestCustomizationSection
res = self.connection.request(
'%s/guestCustomizationSection' % get_url_path(vm.get('href')))
# Update GuestCustomizationSection
res.object.find(
fixxpath(res.object, 'ComputerName')).text = vm_names[i]
# Remove AdminPassword from customization section if it would be
# invalid to include it
self._remove_admin_password(res.object)
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.guestCustomizationSection+xml'
}
res = self.connection.request(
'%s/guestCustomizationSection' % get_url_path(vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
# Update Vm name
req_xml = ET.Element("Vm", {
'name': vm_names[i],
'xmlns': "http://www.vmware.com/vcloud/v1.5"})
res = self.connection.request(
get_url_path(vm.get('href')),
data=ET.tostring(req_xml),
method='PUT',
headers={
'Content-Type': 'application/vnd.vmware.vcloud.vm+xml'}
)
self._wait_for_task_completion(res.object.get('href'))
def _change_vm_cpu(self, vapp_or_vm_id, vm_cpu):
if vm_cpu is None:
return
vms = self._get_vm_elements(vapp_or_vm_id)
for vm in vms:
# Get virtualHardwareSection/cpu section
res = self.connection.request(
'%s/virtualHardwareSection/cpu' % get_url_path(vm.get('href')))
# Update VirtualQuantity field
xpath = ('{http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/'
'CIM_ResourceAllocationSettingData}VirtualQuantity')
res.object.find(xpath).text = str(vm_cpu)
headers = {
'Content-Type': 'application/vnd.vmware.vcloud.rasdItem+xml'
}
res = self.connection.request(
'%s/virtualHardwareSection/cpu' % get_url_path(vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
def _change_vm_memory(self, vapp_or_vm_id, vm_memory):
if vm_memory is None:
return
vms = self._get_vm_elements(vapp_or_vm_id)
for vm in vms:
# Get virtualHardwareSection/memory section
res = self.connection.request(
'%s/virtualHardwareSection/memory' %
get_url_path(vm.get('href')))
# Update VirtualQuantity field
xpath = ('{http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/'
'CIM_ResourceAllocationSettingData}VirtualQuantity')
res.object.find(xpath).text = str(vm_memory)
headers = {
'Content-Type': 'application/vnd.vmware.vcloud.rasdItem+xml'
}
res = self.connection.request(
'%s/virtualHardwareSection/memory' % get_url_path(
vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
def _add_vm_disk(self, vapp_or_vm_id, vm_disk):
if vm_disk is None:
return
rasd_ns = ('{http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/'
'CIM_ResourceAllocationSettingData}')
vms = self._get_vm_elements(vapp_or_vm_id)
for vm in vms:
# Get virtualHardwareSection/disks section
res = self.connection.request(
'%s/virtualHardwareSection/disks' %
get_url_path(vm.get('href')))
existing_ids = []
new_disk = None
for item in res.object.findall(fixxpath(res.object, 'Item')):
# Clean Items from unnecessary stuff
for elem in item:
if elem.tag == '%sInstanceID' % rasd_ns:
existing_ids.append(int(elem.text))
if elem.tag in ['%sAddressOnParent' % rasd_ns,
'%sParent' % rasd_ns]:
item.remove(elem)
if item.find('%sHostResource' % rasd_ns) is not None:
new_disk = item
new_disk = copy.deepcopy(new_disk)
disk_id = max(existing_ids) + 1
new_disk.find('%sInstanceID' % rasd_ns).text = str(disk_id)
new_disk.find('%sElementName' %
rasd_ns).text = 'Hard Disk ' + str(disk_id)
new_disk.find('%sHostResource' % rasd_ns).set(
fixxpath(new_disk, 'capacity'), str(int(vm_disk) * 1024))
res.object.append(new_disk)
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.rasditemslist+xml'
}
res = self.connection.request(
'%s/virtualHardwareSection/disks' % get_url_path(
vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
def _change_vm_script(self, vapp_or_vm_id, vm_script, vm_script_text=None):
if vm_script is None and vm_script_text is None:
return
if vm_script_text is not None:
script = vm_script_text
else:
try:
with open(vm_script, 'r') as fp:
script = fp.read()
except Exception:
return
vms = self._get_vm_elements(vapp_or_vm_id)
# ElementTree escapes script characters automatically. Escape
# requirements:
# http://www.vmware.com/support/vcd/doc/rest-api-doc-1.5-html/types/
# GuestCustomizationSectionType.html
for vm in vms:
# Get GuestCustomizationSection
res = self.connection.request(
'%s/guestCustomizationSection' % get_url_path(vm.get('href')))
# Attempt to update any existing CustomizationScript element
try:
res.object.find(
fixxpath(res.object, 'CustomizationScript')).text = script
except Exception:
# CustomizationScript section does not exist, insert it just
# before ComputerName
for i, e in enumerate(res.object):
if e.tag == \
'{http://www.vmware.com/vcloud/v1.5}ComputerName':
break
e = ET.Element(
'{http://www.vmware.com/vcloud/v1.5}CustomizationScript')
e.text = script
res.object.insert(i, e)
# Remove AdminPassword from customization section if it would be
# invalid to include it
self._remove_admin_password(res.object)
# Update VM's GuestCustomizationSection
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.guestCustomizationSection+xml'
}
res = self.connection.request(
'%s/guestCustomizationSection' % get_url_path(vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
def _change_vm_ipmode(self, vapp_or_vm_id, vm_ipmode):
if vm_ipmode is None:
return
vms = self._get_vm_elements(vapp_or_vm_id)
for vm in vms:
res = self.connection.request(
'%s/networkConnectionSection' % get_url_path(vm.get('href')))
net_conns = res.object.findall(
fixxpath(res.object, 'NetworkConnection'))
for c in net_conns:
c.find(fixxpath(c, 'IpAddressAllocationMode')).text = vm_ipmode
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.networkConnectionSection+xml'
}
res = self.connection.request(
'%s/networkConnectionSection' % get_url_path(vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
@staticmethod
def _remove_admin_password(guest_customization_section):
"""
Remove AdminPassword element from GuestCustomizationSection if it
would be invalid to include it.
This was originally done unconditionally due to an "API quirk" of
unknown origin or effect. When AdminPasswordEnabled is set to true
and AdminPasswordAuto is false, the admin password must be set or
an error will ensue, and vice versa.
:param guest_customization_section: GuestCustomizationSection element
to remove password from (if valid
to do so)
:type guest_customization_section: ``ET.Element``
"""
admin_pass_enabled = guest_customization_section.find(
fixxpath(guest_customization_section, 'AdminPasswordEnabled')
)
admin_pass_auto = guest_customization_section.find(
fixxpath(guest_customization_section, 'AdminPasswordAuto')
)
admin_pass = guest_customization_section.find(
fixxpath(guest_customization_section, 'AdminPassword')
)
if (
admin_pass is not None
and (
admin_pass_enabled is None or admin_pass_enabled.text != 'true'
or admin_pass_auto is None or admin_pass_auto.text != 'false'
)
):
guest_customization_section.remove(admin_pass)
def _update_or_insert_section(self, res, section, prev_section, text):
try:
res.object.find(
fixxpath(res.object, section)).text = text
except Exception:
# "section" section does not exist, insert it just
# before "prev_section"
for i, e in enumerate(res.object):
tag = '{http://www.vmware.com/vcloud/v1.5}%s' % prev_section
if e.tag == tag:
break
e = ET.Element(
'{http://www.vmware.com/vcloud/v1.5}%s' % section)
e.text = text
res.object.insert(i, e)
return res
def ex_change_vm_admin_password(self, vapp_or_vm_id, ex_admin_password):
"""
Changes the admin (or root) password of VM or VMs under the vApp. If
the vapp_or_vm_id param represents a link to an vApp all VMs that
are attached to this vApp will be modified.
:keyword vapp_or_vm_id: vApp or VM ID that will be modified. If a
vApp ID is used here all attached VMs
will be modified
:type vapp_or_vm_id: ``str``
:keyword ex_admin_password: admin password to be used.
:type ex_admin_password: ``str``
:rtype: ``None``
"""
if ex_admin_password is None:
return
vms = self._get_vm_elements(vapp_or_vm_id)
for vm in vms:
# Get GuestCustomizationSection
res = self.connection.request(
'%s/guestCustomizationSection' % get_url_path(vm.get('href')))
headers = {
'Content-Type':
'application/vnd.vmware.vcloud.guestCustomizationSection+xml'
}
# Fix API quirk.
# If AdminAutoLogonEnabled==False the guestCustomizationSection
# must have AdminAutoLogonCount==0, even though
# it might have AdminAutoLogonCount==1 when requesting it for
# the first time.
auto_logon = res.object.find(
fixxpath(res.object, "AdminAutoLogonEnabled"))
if auto_logon is not None and auto_logon.text == 'false':
self._update_or_insert_section(res,
"AdminAutoLogonCount",
"ResetPasswordRequired",
'0')
# If we are establishing a password we do not want it
# to be automatically chosen.
self._update_or_insert_section(res,
'AdminPasswordAuto',
'AdminPassword',
'false')
# API does not allow to set AdminPassword if
# AdminPasswordEnabled is not enabled.
self._update_or_insert_section(res,
'AdminPasswordEnabled',
'AdminPasswordAuto',
'true')
self._update_or_insert_section(res,
'AdminPassword',
'AdminAutoLogonEnabled',
ex_admin_password)
res = self.connection.request(
'%s/guestCustomizationSection' % get_url_path(vm.get('href')),
data=ET.tostring(res.object),
method='PUT',
headers=headers
)
self._wait_for_task_completion(res.object.get('href'))
def _get_network_href(self, network_name):
network_href = None
# Find the organisation's network href
res = self.connection.request(self.org)
links = res.object.findall(fixxpath(res.object, 'Link'))
for link in links:
if link.attrib['type'] == \
'application/vnd.vmware.vcloud.orgNetwork+xml' \
and link.attrib['name'] == network_name:
network_href = link.attrib['href']
if network_href is None:
raise ValueError(
'%s is not a valid organisation network name' % network_name)
else:
return network_href
def _ex_get_node(self, node_id):
"""
Get a node instance from a node ID.
:param node_id: ID of the node
:type node_id: ``str``
:return: node instance or None if not found
:rtype: :class:`Node` or ``None``
"""
res = self.connection.request(
get_url_path(node_id),
headers={'Content-Type': 'application/vnd.vmware.vcloud.vApp+xml'}
)
return self._to_node(res.object)
def _get_vm_elements(self, vapp_or_vm_id):
res = self.connection.request(get_url_path(vapp_or_vm_id))
if res.object.tag.endswith('VApp'):
vms = res.object.findall(fixxpath(res.object, 'Children/Vm'))
elif res.object.tag.endswith('Vm'):
vms = [res.object]
else:
raise ValueError(
'Specified ID value is not a valid VApp or Vm identifier.')
return vms
def _is_node(self, node_or_image):
return isinstance(node_or_image, Node)
def _to_node(self, node_elm):
# Parse snapshots and VMs as extra
if node_elm.find(fixxpath(node_elm, "SnapshotSection")) is None:
snapshots = None
else:
snapshots = []
for snapshot_elem in node_elm.findall(
fixxpath(node_elm, 'SnapshotSection/Snapshot')):
snapshots.append({
"created": snapshot_elem.get("created"),
"poweredOn": snapshot_elem.get("poweredOn"),
"size": snapshot_elem.get("size"),
})
vms = []
for vm_elem in node_elm.findall(fixxpath(node_elm, 'Children/Vm')):
public_ips = []
private_ips = []
xpath = fixxpath(vm_elem,
'NetworkConnectionSection/NetworkConnection')
for connection in vm_elem.findall(xpath):
ip = connection.find(fixxpath(connection, "IpAddress"))
if ip is not None:
private_ips.append(ip.text)
external_ip = connection.find(
fixxpath(connection, "ExternalIpAddress"))
if external_ip is not None:
public_ips.append(external_ip.text)
elif ip is not None:
public_ips.append(ip.text)
xpath = ('{http://schemas.dmtf.org/ovf/envelope/1}'
'OperatingSystemSection')
os_type_elem = vm_elem.find(xpath)
if os_type_elem is not None:
os_type = os_type_elem.get(
'{http://www.vmware.com/schema/ovf}osType')
else:
os_type = None
vm = {
'id': vm_elem.get('href'),
'name': vm_elem.get('name'),
'state': self.NODE_STATE_MAP[vm_elem.get('status')],
'public_ips': public_ips,
'private_ips': private_ips,
'os_type': os_type
}
vms.append(vm)
# Take the node IP addresses from all VMs
public_ips = []
private_ips = []
for vm in vms:
public_ips.extend(vm['public_ips'])
private_ips.extend(vm['private_ips'])
# Find vDC
vdc_id = next(link.get('href') for link
in node_elm.findall(fixxpath(node_elm, 'Link'))
if link.get('type') ==
'application/vnd.vmware.vcloud.vdc+xml'
) # pylint: disable=no-member
vdc = next(vdc for vdc in self.vdcs if vdc.id == vdc_id)
extra = {'vdc': vdc.name, 'vms': vms}
description = node_elm.find(fixxpath(node_elm, 'Description'))
if description is not None:
extra['description'] = description.text
else:
extra['description'] = ''
lease_settings = node_elm.find(
fixxpath(node_elm, 'LeaseSettingsSection')
)
if lease_settings is not None:
extra['lease_settings'] = Lease.to_lease(lease_settings)
else:
extra['lease_settings'] = None
if snapshots is not None:
extra['snapshots'] = snapshots
node = Node(id=node_elm.get('href'),
name=node_elm.get('name'),
state=self.NODE_STATE_MAP[node_elm.get('status')],
public_ips=public_ips,
private_ips=private_ips,
driver=self.connection.driver,
extra=extra)
return node
def _to_vdc(self, vdc_elm):
def get_capacity_values(capacity_elm):
if capacity_elm is None:
return None
limit = int(capacity_elm.findtext(fixxpath(capacity_elm, 'Limit')))
used = int(capacity_elm.findtext(fixxpath(capacity_elm, 'Used')))
units = capacity_elm.findtext(fixxpath(capacity_elm, 'Units'))
return Capacity(limit, used, units)
cpu = get_capacity_values(
vdc_elm.find(fixxpath(vdc_elm, 'ComputeCapacity/Cpu')))
memory = get_capacity_values(
vdc_elm.find(fixxpath(vdc_elm, 'ComputeCapacity/Memory')))
storage = get_capacity_values(
vdc_elm.find(fixxpath(vdc_elm, 'StorageCapacity')))
return Vdc(id=vdc_elm.get('href'),
name=vdc_elm.get('name'),
driver=self,
allocation_model=vdc_elm.findtext(
fixxpath(vdc_elm, 'AllocationModel')),
cpu=cpu,
memory=memory,
storage=storage)
class VCloud_5_1_NodeDriver(VCloud_1_5_NodeDriver):
@staticmethod
def _validate_vm_memory(vm_memory):
if vm_memory is None:
return None
elif (vm_memory % 4) != 0:
# The vcd 5.1 virtual machine memory size must be a multiple of 4
# MB
raise ValueError(
'%s is not a valid vApp VM memory value' % (vm_memory))
class VCloud_5_5_NodeDriver(VCloud_5_1_NodeDriver):
"""Use 5.5 Connection class to explicitly set 5.5 for the version in
Accept headers
"""
connectionCls = VCloud_5_5_Connection
def ex_create_snapshot(self, node):
"""
Creates new snapshot of a virtual machine or of all
the virtual machines in a vApp. Prior to creation of the new
snapshots, any existing user created snapshots associated
with the virtual machines are removed.
:param node: node
:type node: :class:`Node`
:rtype: :class:`Node`
"""
snapshot_xml = ET.Element(
"CreateSnapshotParams",
{'memory': 'true',
'name': 'name',
'quiesce': 'true',
'xmlns': "http://www.vmware.com/vcloud/v1.5",
'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance"}
)
ET.SubElement(snapshot_xml, 'Description').text = 'Description'
content_type = 'application/vnd.vmware.vcloud.createSnapshotParams+xml'
headers = {
'Content-Type': content_type
}
return self._perform_snapshot_operation(node,
"createSnapshot",
snapshot_xml,
headers)
def ex_remove_snapshots(self, node):
"""
Removes all user created snapshots for a vApp or virtual machine.
:param node: node
:type node: :class:`Node`
:rtype: :class:`Node`
"""
return self._perform_snapshot_operation(node,
"removeAllSnapshots",
None,
None)
def ex_revert_to_snapshot(self, node):
"""
Reverts a vApp or virtual machine to the current snapshot, if any.
:param node: node
:type node: :class:`Node`
:rtype: :class:`Node`
"""
return self._perform_snapshot_operation(node,
"revertToCurrentSnapshot",
None,
None)
def _perform_snapshot_operation(self, node, operation, xml_data, headers):
res = self.connection.request(
'%s/action/%s' % (get_url_path(node.id), operation),
data=ET.tostring(xml_data) if xml_data is not None else None,
method='POST',
headers=headers)
self._wait_for_task_completion(res.object.get('href'))
res = self.connection.request(get_url_path(node.id))
return self._to_node(res.object)
def ex_acquire_mks_ticket(self, vapp_or_vm_id, vm_num=0):
"""
Retrieve a mks ticket that you can use to gain access to the console
of a running VM. If successful, returns a dict with the following
keys:
- host: host (or proxy) through which the console connection
is made
- vmx: a reference to the VMX file of the VM for which this
ticket was issued
- ticket: screen ticket to use to authenticate the client
- port: host port to be used for console access
:param vapp_or_vm_id: vApp or VM ID you want to connect to.
:type vapp_or_vm_id: ``str``
:param vm_num: If a vApp ID is provided, vm_num is position in the
vApp VM list of the VM you want to get a screen ticket.
Default is 0.
:type vm_num: ``int``
:rtype: ``dict``
"""
vm = self._get_vm_elements(vapp_or_vm_id)[vm_num]
try:
res = self.connection.request('%s/screen/action/acquireMksTicket' %
(get_url_path(vm.get('href'))),
method='POST')
output = {
"host": res.object.find(fixxpath(res.object, 'Host')).text,
"vmx": res.object.find(fixxpath(res.object, 'Vmx')).text,
"ticket": res.object.find(fixxpath(res.object, 'Ticket')).text,
"port": res.object.find(fixxpath(res.object, 'Port')).text,
}
return output
except Exception:
return None