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# Copyright (c) 2019 VMware, Inc.
#
# Licensed 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.
from os import path
# from sys import exit
from threading import Thread
from time import sleep
# from argparse import ArgumentParser
# from getpass import getpass
import requests
# from pyVim import connect
from pyVmomi import vim
# from pyVmomi.VmomiSupport import long
from vio.vsphere import utils
def get_ovf_descriptor(ovf_path):
"""
Read in the OVF descriptor.
"""
if path.exists(ovf_path):
with open(ovf_path, 'r') as f:
try:
ovfd = f.read()
f.close()
return ovfd
except Exception as ex:
raise Exception("Could not read file %s: %s" % (
ovf_path, str(ex)))
def get_obj_in_list(obj_name, obj_list):
"""
Gets an object out of a list (obj_list) whos name matches obj_name.
"""
for o in obj_list:
if o.name == obj_name:
return o
raise Exception("Unable to find object by the name of %s in list:%s" %
(o.name, map(lambda o: o.name, obj_list)))
def get_objects(si, datacenter_name=None, datastore_name=None,
cluster_name=None):
"""
Return a dict containing the necessary objects for deployment.
"""
# Get datacenter object.
datacenter_list = si.content.rootFolder.childEntity
if datacenter_name:
datacenter_obj = get_obj_in_list(datacenter_name, datacenter_list)
else:
datacenter_obj = datacenter_list[0]
# Get datastore object.
datastore_list = datacenter_obj.datastoreFolder.childEntity
if datastore_name:
datastore_obj = get_obj_in_list(datastore_name, datastore_list)
elif len(datastore_list) > 0:
datastore_obj = datastore_list[0]
else:
print("No datastores found in DC (%s)." % datacenter_obj.name)
# Get cluster object.
cluster_list = datacenter_obj.hostFolder.childEntity
if cluster_name:
cluster_obj = get_obj_in_list(cluster_name, cluster_list)
elif len(cluster_list) > 0:
cluster_obj = cluster_list[0]
else:
print("No clusters found in DC (%s)." % datacenter_obj.name)
# Generate resource pool.
resource_pool_obj = cluster_obj.resourcePool
return {"datacenter": datacenter_obj,
"datastore": datastore_obj,
"resource pool": resource_pool_obj}
def keep_lease_alive(lease):
"""
Keeps the lease alive while POSTing the VMDK.
"""
while(True):
sleep(5)
try:
# Choosing arbitrary percentage to keep the lease alive.
lease.HttpNfcLeaseProgress(50)
if (lease.state == vim.HttpNfcLease.State.done):
return
# If the lease is released, we get an exception.
# Returning to kill the thread.
except Exception:
return
def deploy_ovf(si, vmdk_path, ovf_path, datacenter, cluster, datastore):
default_ovf = False
if ovf_path is None:
default_ovf = True
cpath = path.dirname(path.realpath(__file__))
ovf_path = cpath + "/templates/template.ovf"
# import ipdb; ipdb.set_trace()
vmdk_meta = utils.vmdk_metadata(vmdk_path)
# vmdk_size = path.getsize(vmdk_path)
ovfd = get_ovf_descriptor(ovf_path)
objs = get_objects(si, datacenter, datastore, cluster)
manager = si.content.ovfManager
spec_params = vim.OvfManager.CreateImportSpecParams()
print("Creating import ovf spec")
import_spec = manager.CreateImportSpec(ovfd,
objs["resource pool"],
objs["datastore"],
spec_params)
if default_ovf:
import_spec.importSpec.configSpec.deviceChange[
1].device.capacityInKB = long(vmdk_meta['size'])
lease = objs["resource pool"].ImportVApp(import_spec.importSpec,
objs["datacenter"].vmFolder)
while(True):
if (lease.state == vim.HttpNfcLease.State.ready):
# Assuming single VMDK.
# url = lease.info.deviceUrl[0].url.replace('*', host)
url = lease.info.deviceUrl[0].url
# Spawn a dawmon thread to keep the lease active while POSTing
# VMDK.
keepalive_thread = Thread(target=keep_lease_alive, args=(lease,))
keepalive_thread.start()
print("Uploading %s to %s" % (vmdk_path, url))
# POST the VMDK to the host via curl. Requests library would work
# too.
# curl_cmd = (
# "curl -Ss -X POST --insecure -T %s -H 'Content-Type: \
# application/x-vnd.vmware-streamVmdk' %s" %
# (vmdk_path, url))
# system(curl_cmd)
headers = {'Content-Type': 'application/x-vnd.vmware-streamVmdk'}
client_cookie = si._stub.cookie
cookie_name = client_cookie.split("=", 1)[0]
cookie_value = client_cookie.split("=", 1)[1].split(";", 1)[0]
cookie_path = client_cookie.split("=", 1)[1].split(
";", 1)[1].split(";", 1)[0].lstrip()
cookie_text = " " + cookie_value + "; $" + cookie_path
# Make a cookie
cookie = dict()
cookie[cookie_name] = cookie_text
with open(vmdk_path, "rb") as f:
resp = requests.post(url,
# params=params,
data=f,
# files={"file": f},
headers=headers,
cookies=cookie,
verify=False)
print("Upload results %s: %s" % (
resp.status_code, resp.content))
lease.HttpNfcLeaseComplete()
keepalive_thread.join()
return
elif (lease.state == vim.HttpNfcLease.State.error):
raise Exception("Lease error: " + lease.error.msg)
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