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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
+import threading
+import traceback
+
+from keystoneauth1.exceptions import HttpError
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+from newton.pub.exceptions import VimDriverNewtonException
+from newton_base.util import VimDriverUtils
+
+logger = logging.getLogger(__name__)
+
+
+running_threads = {}
+running_thread_lock = threading.Lock()
+
+
+#assume volume is attached on server creation
+class ServerVolumeAttachThread (threading.Thread):
+ service = {'service_type': 'compute',
+ 'interface': 'public'}
+ def __init__(self, vimid, tenantid, serverid, is_attach, *volumeids):
+ threading.Thread.__init__(self)
+ self.vimid = vimid
+ self.tenantid = tenantid
+ self.serverid = serverid
+ self.volumeids = volumeids
+ self.is_attach = is_attach
+
+ def run(self):
+ logger.debug("start server thread %s, %s, %s" % (self.vimid, self.tenantid, self.serverid))
+ if (self.is_attach):
+ self.attach_volume(self.vimid, self.tenantid, self.serverid, *self.volumeids)
+ else:
+ self.detach_volume(self.vimid, self.tenantid, self.serverid, *self.volumeids)
+ logger.debug("stop server thread %s, %s, %s" % (self.vimid, self.tenantid, self.serverid))
+ running_thread_lock.acquire()
+ running_threads.pop(self.serverid)
+ running_thread_lock.release()
+
+ def attach_volume(self, vimid, tenantid, serverid, *volumeids):
+ logger.debug("Server--attach_volume::> %s, %s" % (serverid, volumeids))
+ try:
+ # prepare request resource to vim instance
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+
+ #check if server is ready to attach
+ logger.debug("Servers--attach_volume, wait for server to be ACTIVE::>%s" % serverid)
+ req_resouce = "servers/%s" % serverid
+ while True:
+ resp = sess.get(req_resouce, endpoint_filter=self.service)
+ content = resp.json()
+ if content and content["server"] and content["server"]["status"] == "ACTIVE":
+ break;
+
+ for volumeid in volumeids:
+ req_resouce = "servers/%s/os-volume_attachments" % serverid
+ req_data = {"volumeAttachment": {
+ "volumeId": volumeid
+ }}
+ logger.debug("Servers--attach_volume::>%s, %s" % (req_resouce, req_data))
+ 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"})
+ logger.debug("Servers--attach_volume resp::>%s" % resp.json())
+
+ return None
+ except HttpError as e:
+ logger.error("attach_volume, HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return None
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ logger.debug("Failed to attach_volume:%s" % str(e))
+ return None
+
+
+ def detach_volume(self, vimid, tenantid, serverid, *volumeids):
+ logger.debug("Server--detach_volume::> %s, %s" % (serverid, volumeids))
+ try:
+ # prepare request resource to vim instance
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+
+ #wait server to be ready to detach volume
+
+ # assume attachment id is the same as volume id
+ for volumeid in volumeids:
+ req_resouce = "servers/%s/os-volume_attachments/%s" % (serverid, volumeid)
+
+ logger.debug("Servers--dettachVolume::>%s" % (req_resouce))
+ resp = sess.delete(req_resouce,
+ endpoint_filter=self.service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+
+ logger.debug("Servers--dettachVolume resp::>%s" % resp.json())
+
+ return None
+ except HttpError as e:
+ logger.error("detach_volume, HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return None
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ logger.debug("Failed to detach_volume:%s" % str(e))
+ return None
+
+
+class Servers(APIView):
+ service = {'service_type': 'compute',
+ 'interface': 'public'}
+ keys_mapping = [
+ ("tenant_id", "tenantId"),
+ ("flavorRef", "flavorId"),
+ ("user_data", "userdata"),
+ ("security_groups", "securityGroups"),
+ ("availability_zone ", "availabilityZone"),
+ ("os-extended-volumes:volumes_attached", "volumeArray"),
+ ]
+
+ def _attachVolume(self, vimid, tenantid, serverId, *volumeIds):
+ #has to be async mode to wait server is ready to attach volume
+ logger.debug("launch thread to attach volume: %s" % serverId)
+ tmp_thread = ServerVolumeAttachThread(vimid, tenantid, serverId, True, *volumeIds)
+ running_thread_lock.acquire()
+ running_threads[serverId] = tmp_thread
+ running_thread_lock.release()
+ tmp_thread.start()
+
+ def _dettach_volume(self, vimid, tenantid, serverId, *volumeIds):
+ # assume attachment id is the same as volume id
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+
+ for volumeid in volumeIds:
+ req_resouce = "servers/%s/os-volume_attachments/%s" % (serverId, volumeid)
+ logger.debug("Servers--dettachVolume::>%s" % (req_resouce))
+ resp = sess.delete(req_resouce,
+ endpoint_filter=self.service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+ logger.debug("Servers--dettachVolume resp status::>%s" % resp.status_code)
+
+ def _convert_metadata(self, metadata, metadata_output, reverse=True):
+ if not reverse:
+ # from extraSpecs to extra_specs
+ for spec in metadata:
+ metadata_output[spec['keyName']] = spec['value']
+ else:
+ for k, v in metadata_output.items():
+ spec = {}
+ spec['keyName'] = k
+ spec['value'] = v
+ metadata.append(spec)
+
+ def _convert_resp(self, server):
+ #convert volumeArray
+ volumeArray = server.pop("volumeArray", None)
+ tmpVolumeArray = []
+ if volumeArray and len(volumeArray) > 0:
+ for vol in volumeArray:
+ tmpVolumeArray.append({"volumeId": vol["id"]})
+ server["volumeArray"] = tmpVolumeArray if len(tmpVolumeArray) > 0 else None
+
+ #convert flavor
+ flavor = server.pop("flavor", None)
+ server["flavorId"] = flavor["id"] if flavor else None
+
+ #convert nicArray
+
+ #convert boot
+ imageObj = server.pop("image", None)
+ imageId = imageObj.pop("id", None) if imageObj else None
+ if imageId:
+ server["boot"] = {"type":2, "imageId": imageId}
+ else:
+ server["boot"] = {"type":1, "volumeId":tmpVolumeArray.pop(0)["volumeId"] if len(tmpVolumeArray) > 0 else None}
+
+ #convert OS-EXT-AZ:availability_zone
+ server["availabilityZone"] = server.pop("OS-EXT-AZ:availability_zone", None)
+
+ 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 VimDriverNewtonException as e:
+ return Response(data={'error': e.content}, status=e.status_code)
+ except HttpError as e:
+ logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return Response(data=e.response.json(), status=e.http_status)
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ return Response(data={'error': str(e)},
+ status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ def _get_ports(self, vimid="", tenantid="", serverid=None):
+ # query attached ports
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+ req_resouce = "servers/%s/os-interface" % serverid
+ resp = sess.get(req_resouce, endpoint_filter=self.service)
+ ports = resp.json()
+ if ports and ports["interfaceAttachments"] and len(ports["interfaceAttachments"]) > 0:
+ return [{"portId":port["port_id"]} for port in ports["interfaceAttachments"]]
+ return None
+
+ 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._convert_metadata(metadata, meta_data, False)
+ server["metadata"] = meta_data
+ VimDriverUtils.replace_key_by_mapping(server,
+ self.keys_mapping)
+ self._convert_resp(server)
+ server["nicArray"] = self._get_ports(vimid, tenantid, server["id"])
+
+ 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._convert_metadata(metadata, meta_data)
+ server["metadata"] = meta_data
+ VimDriverUtils.replace_key_by_mapping(server,
+ self.keys_mapping)
+ self._convert_resp(server)
+ server["nicArray"] = self._get_ports(vimid, tenantid, serverid)
+ 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
+ servername = request.data["name"]
+ query = "name=%s" % servername
+ content, status_code = self._get_servers(query, vimid, tenantid)
+ existed = False
+ if status_code == status.HTTP_200_OK:
+ for server in content["servers"]:
+ if server["name"] == request.data["name"]:
+ existed = True
+ break
+ if existed 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"
+ 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",
+ "boot_index": "0"}]
+ 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)
+ 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._convert_metadata(metadata, meta_data, False)
+ server["metadata"] = metadata
+
+ contextarray = server.pop("contextArray", None)
+ volumearray = server.pop("volumeArray", 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
+
+ VimDriverUtils.replace_key_by_mapping(server,
+ self.keys_mapping, True)
+ req_body = json.JSONEncoder().encode({"server": server})
+
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+ 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)
+
+ logger.debug("Servers--post status::>%s, %s" % (resp_body["id"], resp.status_code))
+ if resp.status_code in [status.HTTP_200_OK, status.HTTP_201_CREATED, status.HTTP_202_ACCEPTED]:
+ if volumearray and len(volumearray) > 0:
+ # server is created, now attach volumes
+ volumeIds = [extraVolume["volumeId"] for extraVolume in volumearray]
+ self._attachVolume(vimid, tenantid, resp_body["id"], *volumeIds)
+
+ metadata = resp_body.pop("metadata", None)
+ if metadata:
+ meta_data = []
+ self._convert_metadata(metadata, meta_data)
+ 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["boot"] = boot
+ resp_body["volumeArray"] = volumearray
+ resp_body["nicArray"] = nicarray
+ resp_body["contextArray"] = contextarray
+ resp_body["name"] = servername
+ return Response(data=resp_body, status=resp.status_code)
+ except VimDriverNewtonException as e:
+ return Response(data={'error': e.content}, status=e.status_code)
+ except HttpError as e:
+ logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return Response(data=e.response.json(), status=e.http_status)
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ return Response(data={'error': str(e)},
+ status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ def delete(self, request, vimid="", tenantid="", serverid=""):
+ logger.debug("Servers--delete::> %s" % request.data)
+ try:
+ # prepare request resource to vim instance
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+
+ #check and dettach them if volumes attached to server
+ server, status_code = self._get_servers("", vimid, tenantid, serverid)
+ volumearray = server.pop("volumeArray", None)
+ if volumearray and len(volumearray) > 0:
+ volumeIds = [extraVolume["volumeId"] for extraVolume in volumearray]
+ self._dettach_volume(vimid, tenantid, serverid, *volumeIds)
+
+ #delete server now
+ req_resouce = "servers"
+ if serverid:
+ req_resouce += "/%s" % serverid
+
+ resp = sess.delete(req_resouce, endpoint_filter=self.service)
+ return Response(status=resp.status_code)
+ except VimDriverNewtonException as e:
+ return Response(data={'error': e.content}, status=e.status_code)
+ except HttpError as e:
+ logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return Response(data=e.response.json(), status=e.http_status)
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ return Response(data={'error': str(e)},
+ status=status.HTTP_500_INTERNAL_SERVER_ERROR)