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# Copyright (c) 2017 Wind River Systems, 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.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import json
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from kilo.pub.exceptions import VimDriverKiloException
from util import VimDriverUtils
logger = logging.getLogger(__name__)
class Servers(APIView):
service = {'service_type': 'compute',
'interface': 'public',
'region_name': 'RegionOne'}
keys_mapping = [
("tenant_id", "tenantId"),
("flavorRef", "flavorId"),
("user_data", "userdata"),
("security_groups", "securityGroups"),
("availability_zone ", "availabilityZone"),
]
service_volume = {'service_type': 'volumev2',
'interface': 'public',
'region_name': 'RegionOne'}
def attachVolume(self, sess, serverId, volumeId):
req_resouce = "volumes"
if volumeId:
req_resouce += "/%s/action" % volumeId
req_data = {"os-attach": {
"instance_uuid": serverId
}}
req_body = json.JSONEncoder().encode(req_data)
resp = sess.post(req_resouce, data=req_body,
endpoint_filter=self.service, headers={"Content-Type": "application/json",
"Accept": "application/json"})
pass
def convertMetadata(self, metadata, mata_data, reverse=False):
if reverse == False:
# from extraSpecs to extra_specs
for spec in metadata:
mata_data[spec['keyName']] = spec['value']
else:
for k, v in mata_data.items():
spec = {}
spec['keyName'] = k
spec['value'] = v
metadata.append(spec)
pass
def get(self, request, vimid="", tenantid="", serverid=""):
logger.debug("Servers--get::> %s" % request.data)
try:
# prepare request resource to vim instance
query = VimDriverUtils.get_query_part(request)
content, status_code = self.get_servers(query, vimid, tenantid, serverid)
return Response(data=content, status=status_code)
except VimDriverKiloException as e:
return Response(data={'error': e.content}, status=e.status_code)
except Exception as e:
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def get_servers(self, query="", vimid="", tenantid="", serverid=None):
logger.debug("Servers--get_servers::> %s,%s" % (tenantid, serverid))
# prepare request resource to vim instance
req_resouce = "servers"
if serverid:
req_resouce += "/%s" % serverid
else:
req_resouce += "/detail"
if query:
req_resouce += "?%s" % query
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
resp = sess.get(req_resouce, endpoint_filter=self.service)
content = resp.json()
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
}
content.update(vim_dict)
if not serverid:
# convert the key naming in servers
for server in content["servers"]:
metadata = server.pop("metadata", None)
if metadata:
meta_data = []
self.convertMetadata(metadata, meta_data, True)
server["metadata"] = meta_data
VimDriverUtils.replace_key_by_mapping(server,
self.keys_mapping)
else:
# convert the key naming in the server specified by id
server = content.pop("server", None)
metadata = server.pop("metadata", None)
if metadata:
meta_data = []
self.convertMetadata(metadata, meta_data, True)
server["metadata"] = meta_data
VimDriverUtils.replace_key_by_mapping(server,
self.keys_mapping)
content.update(server)
return content, resp.status_code
def post(self, request, vimid="", tenantid="", serverid=""):
logger.debug("Servers--post::> %s" % request.data)
try:
# check if created already: check name
query = "name=%s" % request.data["name"]
content, status_code = self.get_servers(query, vimid, tenantid)
existed = False
if status_code == 200:
for server in content["servers"]:
if server["name"] == request.data["name"]:
existed = True
break
pass
if existed == True and server:
vim_dict = {
"returnCode": 0,
}
server.update(vim_dict)
return Response(data=server, status=status_code)
# prepare request resource to vim instance
req_resouce = "servers"
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
server = request.data
# convert parameters
boot = server.pop("boot", None)
if not boot:
return Response(data={'error': "missing boot paramters"},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
if boot["type"] == 1:
# boot from volume
server["block_device_mapping_v2 "] = {"uuid": boot["volumeId"],
"source_type": "volume",
"destination_type": "volume",
"delete_on_termination": "false"}
else:
# boot from image
server["imageRef"] = boot["imageId"]
nicarray = server.pop("nicArray", None)
if not nicarray:
return Response(data={'error': "missing nicArray paramters"},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
else:
networks = []
for nic in nicarray:
networks.append({"port": nic["portId"]})
if len(networks) > 0:
server["networks"] = networks
meta_data = server.pop("metadata", None)
if meta_data:
metadata = {}
self.convertMetadata(metadata, meta_data, False)
server["metadata"] = metadata
contextarray = server.pop("contextArray", None)
if contextarray:
# now set "contextArray" array
personalities = []
for context in contextarray:
personalities.append({"path": context["fileName"], "contents": context["fileData"]})
if len(personalities) > 0:
server["personality"] = personalities
pass
volumearray = server.pop("volumeArray", None)
VimDriverUtils.replace_key_by_mapping(server,
self.keys_mapping, True)
req_body = json.JSONEncoder().encode({"server": server})
resp = sess.post(req_resouce, data=req_body,
endpoint_filter=self.service, headers={"Content-Type": "application/json",
"Accept": "application/json"})
resp_body = resp.json().pop("server", None)
if resp.status_code == 201 and volumearray:
# server is created, now attach volumes
for volumeId in volumearray:
self.attachVolume(sess, resp_body["id"], volumeId)
pass
metadata = resp_body.pop("metadata", None)
if metadata:
meta_data = []
self.convertMetadata(metadata, meta_data, True)
resp_body["metadata"] = meta_data
VimDriverUtils.replace_key_by_mapping(resp_body, self.keys_mapping)
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
"returnCode": 1,
}
resp_body.update(vim_dict)
resp_body["volumeArray"] = volumearray
resp_body["nicArray"] = nicarray
resp_body["contextArray"] = contextarray
return Response(data=resp_body, status=resp.status_code)
except VimDriverKiloException as e:
return Response(data={'error': e.content}, status=e.status_code)
except Exception as e:
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
pass
def delete(self, request, vimid="", tenantid="", serverid=""):
logger.debug("Servers--delete::> %s" % request.data)
try:
# prepare request resource to vim instance
req_resouce = "servers"
if serverid:
req_resouce += "/%s" % serverid
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
resp = sess.delete(req_resouce, endpoint_filter=self.service)
return Response(status=resp.status_code)
except VimDriverKiloException as e:
return Response(data={'error': e.content}, status=e.status_code)
except Exception as e:
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
pass
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