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# Copyright 2017 ZTE Corporation.
#
# 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.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import sys
import time
import traceback
from lcm.pub.utils.values import ignore_case_get, set_opt_val
from . import api
from .exceptions import VimException
logger = logging.getLogger(__name__)
ERR_CODE = "500"
RES_EXIST, RES_NEW = 0, 1
IP_V4, IP_V6 = 4, 6
BOOT_FROM_VOLUME, BOOT_FROM_IMAGE = 1, 2
RES_VOLUME = "volume"
RES_NETWORK = "network"
RES_SUBNET = "subnet"
RES_PORT = "port"
RES_FLAVOR = "flavor"
RES_VM = "vm"
def get_tenant_id(vim_cache, vim_id, tenant_name):
if vim_id not in vim_cache:
tenants = api.list_tenant(vim_id)
vim_cache[vim_id] = {}
for tenant in tenants["tenants"]:
id, name = tenant["id"], tenant["name"]
vim_cache[vim_id][name] = id
if tenant_name not in vim_cache[vim_id]:
raise VimException("Tenant(%s) not found in vim(%s)" % (tenant_name, vim_id), ERR_CODE)
return vim_cache[vim_id][tenant_name]
def set_res_cache(res_cache, res_type, key, val):
if res_type not in res_cache:
res_cache[res_type] = {}
if key in res_cache[res_type]:
raise VimException("Duplicate key(%s) of %s" % (key, res_type), ERR_CODE)
res_cache[res_type][key] = val
def get_res_id(res_cache, res_type, key):
if res_type not in res_cache:
raise VimException("%s not found in cache" % res_type, ERR_CODE)
if key not in res_cache[res_type]:
raise VimException("%s(%s) not found in cache" % (res_type, key), ERR_CODE)
return res_cache[res_type][key]
def create_vim_res(data, do_notify):
vim_cache, res_cache = {}, {}
for vol in ignore_case_get(data, "volume_storages"):
create_volume(vim_cache, res_cache, vol, do_notify, RES_VOLUME)
for network in ignore_case_get(data, "vls"):
create_network(vim_cache, res_cache, network, do_notify, RES_NETWORK)
for subnet in ignore_case_get(data, "vls"):
create_subnet(vim_cache, res_cache, subnet, do_notify, RES_SUBNET)
for port in ignore_case_get(data, "cps"):
create_port(vim_cache, res_cache, data, port, do_notify, RES_PORT)
for flavor in ignore_case_get(data, "vdus"):
create_flavor(vim_cache, res_cache, data, flavor, do_notify, RES_FLAVOR)
for vm in ignore_case_get(data, "vdus"):
create_vm(vim_cache, res_cache, data, vm, do_notify, RES_VM)
def delete_vim_res(data, do_notify):
res_types = [RES_VM, RES_FLAVOR, RES_PORT, RES_SUBNET, RES_NETWORK, RES_VOLUME]
res_del_funs = [api.delete_vm, api.delete_flavor, api.delete_port,
api.delete_subnet, api.delete_network, api.delete_volume]
for res_type, res_del_fun in zip(res_types, res_del_funs):
for res in ignore_case_get(data, res_type):
try:
res_del_fun(res["vim_id"], res["tenant_id"], res["res_id"])
except VimException as e:
logger.error("Failed to delete %s(%s)", res_type, res["res_id"])
logger.error("%s:%s", e.http_code, e.message)
do_notify(res_type, res["res_id"])
def create_volume(vim_cache, res_cache, vol, do_notify, res_type):
location_info = vol["properties"]["location_info"]
param = {
"name": vol["properties"]["volume_name"],
"volumeSize": int(ignore_case_get(vol["properties"], "size", "0").replace('GB', '').strip())
}
set_opt_val(param, "imageName", ignore_case_get(vol, "image_file"))
set_opt_val(param, "volumeType", ignore_case_get(vol["properties"], "custom_volume_type"))
set_opt_val(param, "availabilityZone", ignore_case_get(location_info, "availability_zone"))
vim_id, tenant_name = location_info["vimid"], location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_volume(vim_id, tenant_id, param)
ret["nodeId"] = vol["volume_storage_id"]
do_notify(res_type, ret)
vol_id, vol_name, return_code = ret["id"], ret["name"], ret["returnCode"]
set_res_cache(res_cache, res_type, vol["volume_storage_id"], vol_id)
retry_count, max_retry_count = 0, 300
while retry_count < max_retry_count:
vol_info = api.get_volume(vim_id, tenant_id, vol_id)
if vol_info["status"].upper() == "AVAILABLE":
logger.debug("Volume(%s) is available", vol_id)
return
time.sleep(2)
retry_count = retry_count + 1
raise VimException("Failed to create Volume(%s): Timeout." % vol_name, ERR_CODE)
def create_network(vim_cache, res_cache, network, do_notify, res_type):
location_info = network["properties"]["location_info"]
param = {
"name": network["properties"]["network_name"],
"shared": False,
"networkType": network["properties"]["network_type"],
"physicalNetwork": ignore_case_get(network["properties"], "physical_network")
}
set_opt_val(param, "vlanTransparent", ignore_case_get(network["properties"], "vlan_transparent"))
set_opt_val(param, "segmentationId", int(ignore_case_get(network["properties"], "segmentation_id", "0")))
set_opt_val(param, "routerExternal", ignore_case_get(network, "route_external"))
vim_id, tenant_name = location_info["vimid"], location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_network(vim_id, tenant_id, param)
ret["nodeId"] = network["vl_id"]
do_notify(res_type, ret)
set_res_cache(res_cache, res_type, network["vl_id"], ret["id"])
def create_subnet(vim_cache, res_cache, subnet, do_notify, res_type):
location_info = subnet["properties"]["location_info"]
network_id = get_res_id(res_cache, RES_NETWORK, subnet["vl_id"])
param = {
"networkId": network_id,
"name": subnet["properties"]["name"],
"cidr": ignore_case_get(subnet["properties"], "cidr"),
"ipVersion": ignore_case_get(subnet["properties"], "ip_version", IP_V4)
}
set_opt_val(param, "enableDhcp", ignore_case_get(subnet["properties"], "dhcp_enabled"))
set_opt_val(param, "gatewayIp", ignore_case_get(subnet["properties"], "gateway_ip"))
set_opt_val(param, "dnsNameservers", ignore_case_get(subnet["properties"], "dns_nameservers"))
allocation_pool = {}
set_opt_val(allocation_pool, "start", ignore_case_get(subnet["properties"], "start_ip"))
set_opt_val(allocation_pool, "end", ignore_case_get(subnet["properties"], "end_ip"))
if allocation_pool:
param["allocationPools"] = [allocation_pool]
set_opt_val(param, "hostRoutes", ignore_case_get(subnet["properties"], "host_routes"))
vim_id, tenant_name = location_info["vimid"], location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_subnet(vim_id, tenant_id, param)
do_notify(res_type, ret)
set_res_cache(res_cache, res_type, subnet["vl_id"], ret["id"])
def create_port(vim_cache, res_cache, data, port, do_notify, res_type):
location_info = None
port_ref_vdu_id = ignore_case_get(port, "vdu_id")
for vdu in ignore_case_get(data, "vdus"):
if vdu["vdu_id"] == port_ref_vdu_id:
location_info = vdu["properties"]["location_info"]
break
if not location_info:
err_msg = "vdu_id(%s) for cp(%s) is not defined"
raise VimException(err_msg % (port_ref_vdu_id, port["cp_id"]), ERR_CODE)
network_id = ignore_case_get(port, "networkId")
subnet_id = ignore_case_get(port, "subnetId")
if not network_id:
network_id = get_res_id(res_cache, RES_NETWORK, port["vl_id"])
subnet_id = get_res_id(res_cache, RES_SUBNET, port["vl_id"])
param = {
"networkId": network_id,
"name": port["properties"]["name"]
}
set_opt_val(param, "subnetId", subnet_id)
set_opt_val(param, "macAddress", ignore_case_get(port["properties"], "mac_address"))
set_opt_val(param, "ip", ignore_case_get(port["properties"], "ip_address"))
set_opt_val(param, "vnicType", ignore_case_get(port["properties"], "vnic_type"))
set_opt_val(param, "securityGroups", "") # TODO
vim_id, tenant_name = location_info["vimid"], location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_port(vim_id, tenant_id, param)
ret["nodeId"] = port["cp_id"]
do_notify(res_type, ret)
set_res_cache(res_cache, res_type, port["cp_id"], ret["id"])
def create_flavor(vim_cache, res_cache, data, flavor, do_notify, res_type):
location_info = flavor["properties"]["location_info"]
local_storages = ignore_case_get(data, "local_storages")
param = {
"name": "Flavor_%s" % flavor["vdu_id"],
"vcpu": int(flavor["nfv_compute"]["num_cpus"]),
"memory": int(flavor["nfv_compute"]["mem_size"].replace('GB', '').strip()),
"isPublic": True
}
for local_storage_id in ignore_case_get(flavor, "local_storages"):
for local_storage in local_storages:
if local_storage_id != local_storage["local_storage_id"]:
continue
disk_type = local_storage["properties"]["disk_type"]
disk_size = int(local_storage["properties"]["size"].replace('GB', '').strip())*1024
if disk_type == "root":
param["disk"] = disk_size
elif disk_type == "ephemeral":
param["ephemeral"] = disk_size
elif disk_type == "swap":
param["swap"] = disk_size
flavor_extra_specs = ignore_case_get(flavor["nfv_compute"], "flavor_extra_specs")
extra_specs = []
for es in flavor_extra_specs:
extra_specs.append({"keyName": es, "value": flavor_extra_specs[es]})
set_opt_val(param, "extraSpecs", extra_specs)
vim_id, tenant_name = location_info["vimid"], location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_flavor(vim_id, tenant_id, param)
do_notify(res_type, ret)
set_res_cache(res_cache, res_type, flavor["vdu_id"], ret["id"])
def create_vm(vim_cache, res_cache, data, vm, do_notify, res_type):
location_info = vm["properties"]["location_info"]
vim_id, tenant_name = location_info["vimid"], location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
param = {
"name": vm["properties"]["name"],
"flavorId": get_res_id(res_cache, RES_FLAVOR, vm["vdu_id"]),
"boot": {},
"nicArray": [],
"contextArray": [],
"volumeArray": []
}
# set boot param
if "image_file" in vm and vm["image_file"]:
param["boot"]["type"] = BOOT_FROM_IMAGE
img_name = ""
for img in ignore_case_get(data, "image_files"):
if vm["image_file"] == img["image_file_id"]:
img_name = img["properties"]["name"]
break
if not img_name:
raise VimException("Undefined image(%s)" % vm["image_file"], ERR_CODE)
images = api.list_image(vim_id, tenant_id)
for image in images["images"]:
if img_name == image["name"]:
param["boot"]["imageId"] = image["id"]
break
if "imageId" not in param["boot"]:
raise VimException("Image(%s) not found in Vim(%s)" % (img_name, vim_id), ERR_CODE)
elif vm["volume_storages"]:
param["boot"]["type"] = BOOT_FROM_VOLUME
vol_id = vm["volume_storages"][0]["volume_storage_id"]
param["boot"]["volumeId"] = get_res_id(res_cache, RES_VOLUME, vol_id)
else:
raise VimException("No image and volume defined", ERR_CODE)
for cp_id in ignore_case_get(vm, "cps"):
param["nicArray"].append({
"portId": get_res_id(res_cache, RES_PORT, cp_id)
})
for inject_data in ignore_case_get(vm["properties"], "inject_data_list"):
param["contextArray"].append({
"fileName": inject_data["file_name"],
"fileData": inject_data["file_data"]
})
for vol_data in ignore_case_get(vm, "volume_storages"):
vol_id = vol_data["volume_storage_id"]
param["volumeArray"].append({
"volumeId": get_res_id(res_cache, RES_VOLUME, vol_id)
})
set_opt_val(param, "availabilityZone", ignore_case_get(location_info, "availability_zone"))
set_opt_val(param, "userdata", "") # TODO Configuration information or scripts to use upon launch
set_opt_val(param, "metadata", "") # TODO [{"keyName": "foo", "value": "foo value"}]
set_opt_val(param, "securityGroups", "") # TODO List of names of security group
set_opt_val(param, "serverGroup", "") # TODO the ServerGroup for anti-affinity and affinity
ret = api.create_vm(vim_id, tenant_id, param)
do_notify(res_type, ret)
vm_id, vm_name, return_code = ret["id"], ret["name"], ret["returnCode"]
opt_vm_status = "Timeout"
retry_count, max_retry_count = 0, 100
while retry_count < max_retry_count:
vm_info = api.get_vm(vim_id, tenant_id, vm_id)
if vm_info["status"].upper() == "ACTIVE":
logger.debug("Vm(%s) is active", vim_id)
return
if vm_info["status"].upper() == "ERROR":
opt_vm_status = vm_info["status"]
break
time.sleep(2)
retry_count = retry_count + 1
raise VimException("Failed to create Vm(%s): %s." % (vm_name, opt_vm_status), ERR_CODE)
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