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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__)
RES_EXIST, RES_NEW = 0, 1
IP_V4, IP_V6 = 4, 6
DHCP_DISABLED, DHCP_ENABLED = 0, 1
RES_VOLUME = "volume"
RES_NETWORK = "network"
RES_SUBNET = "subnet"
RES_PORT = "port"
RES_FLAVOR = "flavor"
RES_VM = "vm"
BOOT_FROM_VOLUME = 1
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), "500")
return vim_cache[vim_id][tenant_name]
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, port, do_notify, RES_PORT)
for flavor in ignore_case_get(data, "vdus"):
create_flavor(vim_cache, res_cache, flavor, do_notify, RES_FLAVOR)
for vm in ignore_case_get(data, "vdus"):
create_vm(vim_cache, res_cache, 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, progress):
param = {
"name": vol["properties"]["volume_name"],
"volumeSize": int(ignore_case_get(vol["properties"], "size", "0"))
}
location_info = vol["properties"]["location_info"]
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 = location_info["vimid"]
tenant_name = location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_volume(vim_id, tenant_id, param)
do_notify(progress, ret)
vol_id, vol_name, return_code = ret["id"], ret["name"], ret["returnCode"]
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, "500")
def create_network(vim_cache, res_cache, network, do_notify, progress):
param = {
"name": network["properties"]["network_name"],
"shared": False,
"networkType": network["properties"]["network_type"],
"physicalNetwork": ignore_case_get(network["properties"], "physical_network")
}
location_info = network["properties"]["location_info"]
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 = location_info["vimid"]
tenant_name = location_info["tenant"]
tenant_id = get_tenant_id(vim_cache, vim_id, tenant_name)
ret = api.create_network(vim_id, tenant_id, param)
do_notify(progress, ret)
def create_subnet(vim_cache, res_cache, subnet, do_notify, progress):
param = {
"tenant": subnet["properties"]["location_info"]["tenant"],
"networkName": subnet["properties"]["network_name"],
"subnetName": 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 = subnet["properties"]["location_info"]["vimid"]
ret = api.create_subnet(vim_id, param)
do_notify(progress, ret)
def create_port(vim_cache, res_cache, port, do_notify, progress):
param = {
"tenant": port["properties"]["location_info"]["tenant"],
"networkName": port["properties"]["network_name"],
"subnetName": port["properties"]["name"],
"portName": port["properties"]["name"]
}
vim_id = port["properties"]["location_info"]["vimid"]
ret = api.create_subnet(vim_id, param)
do_notify(progress, ret)
def create_flavor(vim_cache, res_cache, flavor, do_notify, progress):
param = {
"tenant": flavor["properties"]["location_info"]["tenant"],
"vcpu": int(flavor["nfv_compute"]["num_cpus"]),
"memory": int(flavor["nfv_compute"]["mem_size"].replace('MB', '').strip())
}
set_opt_val(param, "extraSpecs", ignore_case_get(flavor["nfv_compute"], "flavor_extra_specs"))
vim_id = flavor["properties"]["location_info"]["vimid"]
ret = api.create_flavor(vim_id, param)
do_notify(progress, ret)
def create_vm(vim_cache, res_cache, vm, do_notify, progress):
param = {
"tenant": vm["properties"]["location_info"]["tenant"],
"vmName": vm["properties"]["name"],
"boot": {
"type": BOOT_FROM_VOLUME,
"volumeName": vm["volume_storages"][0]["volume_storage_id"]
},
"nicArray": [],
"contextArray": [],
"volumeArray": []
}
set_opt_val(param, "availabilityZone",
ignore_case_get(vm["properties"]["location_info"], "availability_zone"))
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 vm["volume_storages"]:
param["contextArray"].append(vol_data["volume_storage_id"])
# nicArray TODO:
vim_id = vm["properties"]["location_info"]["vimid"]
ret = api.create_vm(vim_id, param)
do_notify(progress, 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, 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), "500")
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