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# Copyright 2017 Google Inc. All rights reserved.
#
# 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.
"""Lab Info APIs implemented using Google Cloud Endpoints."""
import datetime
import endpoints
import logging
from google.appengine.ext import ndb
from webapp.src import vtslab_status as Status
from webapp.src.endpoint import endpoint_base
from webapp.src.endpoint import host_info
from webapp.src.proto import model
LAB_INFO_RESOURCE = endpoints.ResourceContainer(model.LabInfoMessage)
LAB_HOST_INFO_RESOURCE = endpoints.ResourceContainer(model.LabHostInfoMessage)
@endpoints.api(name='lab', version='v1')
class LabInfoApi(endpoint_base.EndpointBase):
"""Endpoint API for lab_info."""
@endpoints.method(
LAB_INFO_RESOURCE,
model.DefaultResponse,
path="clear",
http_method="POST",
name="clear")
def clear(self, request):
"""Clears lab info in DB."""
lab_query = model.LabModel.query()
existing_labs = lab_query.fetch(keys_only=True)
if existing_labs and len(existing_labs) > 0:
ndb.delete_multi(existing_labs)
return model.DefaultResponse(
return_code=model.ReturnCodeMessage.SUCCESS)
@endpoints.method(
LAB_INFO_RESOURCE,
model.DefaultResponse,
path="set",
http_method="POST",
name="set")
def set(self, request):
"""Sets the lab info based on `request`."""
if "host" in [x.name for x in request.all_fields()]:
labs_to_put = []
for host in request.host:
duplicate_query = model.LabModel.query(
model.LabModel.name == request.name,
model.LabModel.owner == request.owner,
model.LabModel.hostname == host.hostname)
duplicates = duplicate_query.fetch()
if duplicates:
lab = duplicates[0]
else:
lab = model.LabModel()
lab.name = request.name
lab.owner = request.owner
lab.admin = request.admin
lab.hostname = host.hostname
lab.ip = host.ip
lab.script = host.script
null_device_count = 0
devices_to_put = []
for config_device in host.device:
if config_device.product == "null":
null_device_count += 1
continue
if config_device.serial and config_device.product:
device_query = model.DeviceModel.query(
model.DeviceModel.serial == config_device.serial)
devices = device_query.fetch()
if devices:
device = devices[0]
if (device.hostname != host.hostname) and (
device.status !=
Status.DEVICE_STATUS_DICT["no-response"]):
logging.error(
"{} is alive in another host.".format(
config_device.serial))
# TODO: send an alert to lab.admin
continue
if device.hostname == host.hostname and set(
device.device_equipment) == set(
config_device.device_equipment):
# no need to update.
continue
else:
device = model.DeviceModel()
device.status = Status.DEVICE_STATUS_DICT[
"no-response"]
device.product = config_device.product
device.serial = config_device.serial
device.hostname = host.hostname
device.scheduling_status = (
Status.DEVICE_SCHEDULING_STATUS_DICT["free"])
device.timestamp = datetime.datetime.now()
device.device_equipment = config_device.device_equipment
devices_to_put.append(device)
else:
logging.error("Lab config does not have device "
"information correctly; it should "
"specify device product and serial.")
if devices_to_put:
ndb.put_multi(devices_to_put)
lab.timestamp = datetime.datetime.now()
labs_to_put.append(lab)
if null_device_count > 0:
host_info.AddNullDevices(host.hostname, null_device_count)
if labs_to_put:
ndb.put_multi(labs_to_put)
return model.DefaultResponse(
return_code=model.ReturnCodeMessage.SUCCESS)
@endpoints.method(
LAB_HOST_INFO_RESOURCE,
model.DefaultResponse,
path="set_version",
http_method="POST",
name="set_version")
def set_version(self, request):
"""Sets vtslab version of the host <hostname>"""
lab_query = model.LabModel.query(
model.LabModel.hostname == request.hostname)
labs = lab_query.fetch()
labs_to_put = []
for lab in labs:
lab.vtslab_version = request.vtslab_version.split(":")[0]
labs_to_put.append(lab)
if labs_to_put:
ndb.put_multi(labs_to_put)
return model.DefaultResponse(
return_code=model.ReturnCodeMessage.SUCCESS)
@endpoints.method(
endpoint_base.GET_REQUEST_RESOURCE,
model.LabResponseMessage,
path="get",
http_method="POST",
name="get")
def get(self, request):
"""Gets the labs from datastore."""
return_list, more = self.Get(request=request,
metaclass=model.LabModel,
message=model.LabMessage)
return model.LabResponseMessage(labs=return_list, has_next=more)
@endpoints.method(
endpoint_base.COUNT_REQUEST_RESOURCE,
model.CountResponseMessage,
path="count",
http_method="POST",
name="count")
def count(self, request):
"""Gets total number of BuildModel entities stored in datastore."""
filters = self.CreateFilterList(
filter_string=request.filter, metaclass=model.LabModel)
count = self.Count(metaclass=model.LabModel, filters=filters)
return model.CountResponseMessage(count=count)
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