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vsphere-automation-sdk-python/samples/vsphere/contentlibrary/vmtx_sync/vmtx_publish.py

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New sample to demonstrates the VMTX push sync workflow to publish and subscribe VMTX items
2019-06-25 00:17:10 -04:00
#!/usr/bin/env python
"""
* *******************************************************
* Copyright VMware, Inc. 2019. All Rights Reserved.
* SPDX-License-Identifier: MIT
* *******************************************************
*
* DISCLAIMER. THIS PROGRAM IS PROVIDED TO YOU "AS IS" WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, WHETHER ORAL OR WRITTEN,
* EXPRESS OR IMPLIED. THE AUTHOR SPECIFICALLY DISCLAIMS ANY IMPLIED
* WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY,
* NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE.
"""
__author__ = 'VMware, Inc.'
__vcenter_version__ = '6.7U2+'
import time
import uuid
from com.vmware.content_client import LibraryModel
from com.vmware.content.library_client import (PublishInfo, SubscriptionInfo,
StorageBacking,
Subscriptions)
from com.vmware.vcenter.ovf_client import LibraryItem
from com.vmware.vcenter.vm_template_client import LibraryItems as VmtxLibraryItem
from pyVmomi import vim
from vmware.vapi.vsphere.client import create_vsphere_client
from samples.vsphere.common.id_generator import generate_random_uuid
from samples.vsphere.common.sample_base import SampleBase
from samples.vsphere.common.ssl_helper import get_unverified_session
from samples.vsphere.common.vim.helpers.get_datastore_by_name import get_datastore_id
from samples.vsphere.contentlibrary.lib.cls_api_client import ClsApiClient
from samples.vsphere.contentlibrary.lib.cls_api_helper import ClsApiHelper
from samples.vsphere.common.vim.helpers.vim_utils import (get_obj, get_obj_by_moId, delete_object)
from samples.vsphere.vcenter.helper.folder_helper import get_folder
class VmtxPublish(SampleBase):
"""
Demonstrates the VMTX push sync workflow to publish and subscribe VMTX items.
Note: the workflow needs an existing VC datastore with available storage.
"""
SYNC_TIMEOUT_SEC = 60
def __init__(self):
SampleBase.__init__(self, self.__doc__)
self.servicemanager = None
self.client = None
self.helper = None
self.datastore_name = None
self.resource_pool_id = None
self.folder_id = None
self.pub_libs_to_clean = []
self.sub_libs_to_clean = []
self.vms_to_clean = []
def _options(self):
self.argparser.add_argument('-datacentername', '--datacentername', required=True,
help='The name of the datacenter')
self.argparser.add_argument('-datastorename', '--datastorename', required=True,
help='The name of the datastore.')
self.argparser.add_argument('-clustername', '--clustername', required=True,
help='The name of the cluster to be used.')
self.argparser.add_argument('-foldername', '--foldername', required=True,
help='The name of the folder in the '
'datacenter for creating a subscription')
def _setup(self):
self.datastore_name = self.args.datastorename
self.cluster_name = self.args.clustername
self.folder_name = self.args.foldername
self.datacenter_name = self.args.datacentername
self.servicemanager = self.get_service_manager()
self.datastore_id = get_datastore_id(service_manager=self.servicemanager,
datastore_name=self.datastore_name)
self.client = ClsApiClient(self.servicemanager)
self.helper = ClsApiHelper(self.client, self.skip_verification)
session = get_unverified_session() if self.skip_verification else None
self.vsphere_client = create_vsphere_client(server=self.server,
username=self.username,
password=self.password,
session=session)
self.folder_id = get_folder(self.vsphere_client,
self.datacenter_name,
self.folder_name)
self.storage_backings = self.helper.create_storage_backings(
self.servicemanager, self.datastore_name)
cluster_obj = get_obj(self.servicemanager.content,
[vim.ClusterComputeResource], self.cluster_name)
self.resource_pool_id = cluster_obj.resourcePool._GetMoId()
def _execute(self):
self.create_new_subscription()
self.create_subscription_from_existing_subscribed_library()
def create_new_subscription(self):
"""
Sample code for creating a new subscription for VMTX templates
"""
# Create a published library and a new subscription
pub_lib_name = "pub_lib_new_" + str(uuid.uuid4())
pub_lib_id = self.create_published_library(pub_lib_name).id
self.pub_libs_to_clean.append(pub_lib_id)
sub_lib_name = "sub_lib_new_" + str(uuid.uuid4())
subscription_id = self.create_subscription_new(pub_lib_id, sub_lib_name)
# Get the subscribed library associated with the subscription
subscription_info = self.client.subscriptions.get(pub_lib_id, subscription_id)
sub_lib = self.client.library_service.get(subscription_info.subscribed_library)
self.sub_libs_to_clean.append(sub_lib.id)
# - Create a VMTX item on the published library
# - Push-synchronize the subscription and verify the sync
vm_name = "sample_vm_new_" + str(uuid.uuid4())
vmtx_item_name = "sample_vmtx_item_existing_" + str(uuid.uuid4())
vmtx_item_id = self.create_vmtx_item(pub_lib_id, vm_name, vmtx_item_name)
self.client.local_library_service.publish(pub_lib_id)
assert self.verify_vmtx_sync(sub_lib, vmtx_item_id)
def create_subscription_from_existing_subscribed_library(self):
"""
Sample code for converting existing Subscribed library
to use a VMTX subscription
"""
# Create a published library and get its publish URL
pub_lib_name = "pub_lib_existing_" + str(uuid.uuid4())
pub_lib = self.create_published_library(pub_lib_name)
self.pub_libs_to_clean.append(pub_lib.id)
pub_lib_url = pub_lib.publish_info.publish_url
# Create a subscribed library
sub_lib_name = "sub_lib_existing_" + str(uuid.uuid4())
sub_lib = self.create_subscribed_library(pub_lib_url, sub_lib_name)
self.create_subscription_for_existing_subscribed_library(pub_lib.id, sub_lib.id)
# - Create a VMTX item on the published library
# - Push-synchronize the subscription and verify the sync
vm_name = "sample_vm_existing_" + str(uuid.uuid4())
vmtx_item_name = "sample_vmtx_item_existing_" + str(uuid.uuid4())
vmtx_item_id = self.create_vmtx_item(pub_lib.id, vm_name, vmtx_item_name)
self.client.local_library_service.publish(pub_lib.id)
assert self.verify_vmtx_sync(sub_lib, vmtx_item_id)
def create_vmtx_item(self, pub_lib_id, vm_name, vmtx_item_name):
# Upload OVF, create a VM, and use that VM to create a VMTX item
ovf_item_id = self.create_ovf_template_item(pub_lib_id)
source_vmtx_vm_id = self.create_vm(ovf_item_id, vm_name)
self.vms_to_clean.append(source_vmtx_vm_id)
vmtx_item_id = self.create_vmtx_item_from_vm(
pub_lib_id, source_vmtx_vm_id, vmtx_item_name)
return vmtx_item_id
def create_published_library(self, pub_lib_name):
pub_info = PublishInfo()
pub_info.published = True
# VMTX sync needs the authentication to be turned off
pub_info.authentication_method = PublishInfo.AuthenticationMethod.NONE
pub_spec = LibraryModel()
pub_spec.name = pub_lib_name
pub_spec.description = "Sample Published library"
pub_spec.publish_info = pub_info
pub_spec.type = pub_spec.LibraryType.LOCAL
pub_spec.storage_backings = self.storage_backings
pub_lib_id = self.client.local_library_service.create(
create_spec=pub_spec, client_token=generate_random_uuid())
print("Published library created, id: {0}".format(pub_lib_id))
pub_lib = self.client.library_service.get(pub_lib_id)
return pub_lib
def create_subscribed_library(self, pub_lib_url, sub_lib_name):
# Build the subscription information using the publish URL of the published
# library
sub_info = SubscriptionInfo()
sub_info.authentication_method = SubscriptionInfo.AuthenticationMethod.NONE
# on_demand = False for library and item level publish
# on_demand = True for only item level publish, the library level
# publish will only sync the item metadata
sub_info.on_demand = False
sub_info.automatic_sync_enabled = True
sub_info.subscription_url = pub_lib_url
# Build the specification for the subscribed library
sub_spec = LibraryModel()
sub_spec.name = sub_lib_name
sub_spec.type = sub_spec.LibraryType.SUBSCRIBED
sub_spec.subscription_info = sub_info
sub_spec.storage_backings = self.storage_backings
sub_lib_id = self.client.subscribed_library_service.create(
create_spec=sub_spec, client_token=generate_random_uuid())
self.sub_libs_to_clean.append(sub_lib_id)
print("Subscribed library created, id: {0}".format(sub_lib_id))
sub_lib = self.client.subscribed_library_service.get(sub_lib_id)
return sub_lib
def create_subscription_new(self, pub_lib_id, sub_lib_name):
# Create a new subscription. Such subscription is created on the published
# library, and can be later used for a push-sync
#
# spec
# +--subscribed_library
# +--target: CREATE_NEW
# +--subscribed_library: DO NOT SPECIFY as this is new
# +--new_subscribed_library
# +--name, description, automatic_sync_enabled, on_demand
# +--location: LOCAL/REMOTE
# +--subscribed_library_vcenter: (VcenterInfo) DO NOT SPECIFY for location=LOCAL
# +--placement:
# +--Resource pool and folder for the VM
# +--network for the VM
client_token = str(uuid.uuid4())
spec = Subscriptions.CreateSpec()
subscribed_library = Subscriptions.CreateSpecSubscribedLibrary()
subscribed_library.location = Subscriptions.Location.LOCAL
subscribed_library.target = \
Subscriptions.CreateSpecSubscribedLibrary.Target.CREATE_NEW
new_subscribed_library = Subscriptions.CreateSpecNewSubscribedLibrary()
new_subscribed_library.name = sub_lib_name
new_subscribed_library.description = "Sample subscribed library"
backing = StorageBacking(StorageBacking.Type.DATASTORE, self.datastore_id)
new_subscribed_library.storage_backings = [backing]
new_subscribed_library.automatic_sync_enabled = False
# on_demand = False for library and item level publish
# on_demand = True for only item level publish, the library level
# publish will only sync the item metadata
new_subscribed_library.on_demand = False
subscribed_library.new_subscribed_library = new_subscribed_library
placement = Subscriptions.CreateSpecPlacement()
placement.resource_pool = self.resource_pool_id
placement.folder = self.folder_id
# Setting network to null implies that the subscription will use the
# same network as the source VM
# Warning - this may lead to failure if the same network is not
# available to the subscriber
placement.network = None
subscribed_library.placement = placement
spec.subscribed_library = subscribed_library
subscription_id = self.client.subscriptions.create(
pub_lib_id, spec, client_token)
print("Subscription created, id: {0}".format(subscription_id))
return subscription_id
def create_subscription_for_existing_subscribed_library(self, pub_lib_id, sub_lib_id):
# Create a subscription for an existing subscribed library. This subscription
# and can be later used for a push-sync to that subscribed library
#
# spec
# +--subscribed_library
# +--target: USE_EXISTING
# +--subscribed_library: ID of existing subscribed library
# +--new_subscribed_library: DO NOT SPECIFY for target=USE_EXISTING
# +--location: LOCAL/REMOTE
# +--subscribed_library_vcenter: (VcenterInfo) DO NOT SPECIFY from location=LOCAL
# +--placement:
# +--Resource pool and folder for the VM
# +--network for the VM
client_token = str(uuid.uuid4())
spec = Subscriptions.CreateSpec()
subscribed_library = Subscriptions.CreateSpecSubscribedLibrary()
subscribed_library.target = \
Subscriptions.CreateSpecSubscribedLibrary.Target.USE_EXISTING
subscribed_library.subscribed_library = sub_lib_id
subscribed_library.location = "LOCAL"
placement = Subscriptions.CreateSpecPlacement()
placement.resource_pool = self.resource_pool_id
placement.folder = self.folder_id
# Setting network to null implies that the subscription will use the
# same network as the source VM
# Warning - this may lead to failure if the same network is not
# available to the subscriber
placement.network = None
subscribed_library.placement = placement
spec.subscribed_library = subscribed_library
subscription_id = self.client.subscriptions.create(
pub_lib_id, spec, client_token)
print("Subscription created id: {0}".format(subscription_id))
return subscription_id
def create_ovf_template_item(self, library_id):
# Create an OVF item
ovf_item_id = self.helper.create_library_item(library_id=library_id,
item_name='sample-ovf-item',
item_description='Sample OVF template',
item_type='ovf')
print('Library item created id: {0}'.format(ovf_item_id))
# Upload a VM template to the CL
ovf_files_map = self.helper.get_ovf_files_map(ClsApiHelper.SIMPLE_OVF_RELATIVE_DIR)
self.helper.upload_files(library_item_id=ovf_item_id, files_map=ovf_files_map)
return ovf_item_id
def create_vm(self, ovf_item_id, vm_name):
# Deploy a VM using the given ovf template
deployment_target = LibraryItem.DeploymentTarget(resource_pool_id=self.resource_pool_id)
ovf_summary = self.client.ovf_lib_item_service.filter(ovf_library_item_id=ovf_item_id,
target=deployment_target)
vm_id = self.deploy_ovf_template(ovf_item_id, ovf_summary, deployment_target, vm_name)
print("Virtual Machine created, id: {0}".format(vm_id))
return vm_id
def deploy_ovf_template(self, lib_item_id, ovf_summary, deployment_target, vm_name):
# Build the deployment spec
deployment_spec = LibraryItem.ResourcePoolDeploymentSpec(
name=vm_name, annotation=ovf_summary.annotation, accept_all_eula=True)
# Deploy the ovf template
result = self.client.ovf_lib_item_service.deploy(
lib_item_id, deployment_target,
deployment_spec, client_token=generate_random_uuid())
if result.succeeded:
vm_id = result.resource_id.id
return vm_id
else:
print('Deployment failed.')
for error in result.error.errors:
print('OVF error: {}'.format(error.message))
raise Exception('OVF deploy failed.')
def create_vmtx_item_from_vm(self, library_id, source_vm_id, vmtx_item_name):
# Create a VMTX item using the given VM as source
create_spec = VmtxLibraryItem.CreateSpec()
create_spec.source_vm = source_vm_id
create_spec.library = library_id
create_spec.name = vmtx_item_name
create_spec.description = 'sample-vmtx-description'
create_spec.placement = VmtxLibraryItem.CreatePlacementSpec()
create_spec.placement.resource_pool = self.resource_pool_id
vmtx_item_id = self.client.vmtx_service.create(create_spec)
print("VMTX item created id: {0}".format(vmtx_item_id))
return vmtx_item_id
def verify_vmtx_sync(self, sub_lib, vmtx_item_id):
# Wait until the VMTX item in the subscription is synchronized with
# the one in the published library
start_time = time.time()
while time.time() - start_time < self.SYNC_TIMEOUT_SEC:
sub_item_ids = self.client.library_item_service.list(sub_lib.id)
# Only vmtx item will be synced using the push mechanism, so check
# the length to be one
if len(sub_item_ids) == 1:
source_id = self.client.library_item_service.get(
sub_item_ids[0]).source_id
# Verify that the source for the VMTX item in the subscribed
# library is the VMTX item in the published library
if source_id == vmtx_item_id:
return True
else:
print("VMTX source item id mismatch")
return False
# Give some more time for sync
time.sleep(1)
print("Timed out while waiting for sync")
return False
def _cleanup(self):
for lib_id in self.pub_libs_to_clean:
print("deleting published library: {0}".format(lib_id))
self.client.local_library_service.delete(lib_id)
for lib_id in self.sub_libs_to_clean:
print("deleting subscribed library: {0}".format(lib_id))
self.client.subscribed_library_service.delete(lib_id)
for vm_id in self.vms_to_clean:
vm_obj = get_obj_by_moId(self.servicemanager.content,
[vim.VirtualMachine], vm_id)
delete_object(self.servicemanager.content, vm_obj)
def main():
sample = VmtxPublish()
sample.main()
if __name__ == '__main__':
main()
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