-"""
-Copyright (c) 2015 SONATA-NFV and Paderborn University
-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.
-
-Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
-nor the names of its contributors may be used to endorse or promote
-products derived from this software without specific prior written
-permission.
-
-This work has been performed in the framework of the SONATA project,
-funded by the European Commission under Grant number 671517 through
-the Horizon 2020 and 5G-PPP programmes. The authors would like to
-acknowledge the contributions of their colleagues of the SONATA
-partner consortium (www.sonata-nfv.eu).
-"""
+# Copyright (c) 2015 SONATA-NFV and Paderborn University
+# 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.
+#
+# Neither the name of the SONATA-NFV, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# This work has been performed in the framework of the SONATA project,
+# funded by the European Commission under Grant number 671517 through
+# the Horizon 2020 and 5G-PPP programmes. The authors would like to
+# acknowledge the contributions of their colleagues of the SONATA
+# partner consortium (www.sonata-nfv.eu).
import logging
from flask_restful import Resource
from flask import request
import json
-from copy import deepcopy
+import threading
logging.basicConfig()
data = request.json
if data is None:
data = {}
- elif type(data) is not dict:
+ elif not isinstance(data, dict):
data = json.loads(request.json)
network = data.get("network")
command = data.get("docker_command")
try:
- logging.debug("API CALL: compute start")
+ if compute_name is None or compute_name == "None":
+ logging.error("No compute name defined in request.")
+ return "No compute name defined in request.", 500, CORS_HEADER
+ if dc_label is None or dcs.get(dc_label) is None:
+ logging.error("No datacenter defined in request.")
+ return "No datacenter defined in request.", 500, CORS_HEADER
c = dcs.get(dc_label).startCompute(
compute_name, image=image, command=command, network=nw_list)
+ # (if available) trigger emu. entry point given in Dockerfile
+ try:
+ config = c.dcinfo.get("Config", dict())
+ env = config.get("Env", list())
+ legacy_command_execution = False
+ for env_var in env:
+ var, cmd = map(str.strip, map(str, env_var.split('=', 1)))
+ logging.debug("%r = %r" % (var, cmd))
+ if var == "SON_EMU_CMD" or var == "VIM_EMU_CMD":
+ logging.info("Executing script in '{}': {}={}"
+ .format(compute_name, var, cmd))
+ # execute command in new thread to ensure that API is
+ # not blocked by VNF
+ t = threading.Thread(target=c.cmdPrint, args=(cmd,))
+ t.daemon = True
+ t.start()
+ legacy_command_execution = True
+ break
+ if not legacy_command_execution:
+ c.start()
+ except Exception as ex:
+ logging.warning("Couldn't run Docker entry point VIM_EMU_CMD")
+ logging.exception("Exception:")
# return docker inspect dict
return c.getStatus(), 200, CORS_HEADER
except Exception as ex:
logging.debug("API CALL: compute status")
try:
- return dcs.get(dc_label).containers.get(compute_name).getStatus(), 200, CORS_HEADER
+ return dcs.get(dc_label).containers.get(
+ compute_name).getStatus(), 200, CORS_HEADER
except Exception as ex:
logging.exception("API error.")
return ex.message, 500, CORS_HEADER
def delete(self, dc_label, compute_name):
logging.debug("API CALL: compute stop")
try:
- return dcs.get(dc_label).stopCompute(compute_name), 200, CORS_HEADER
+ return dcs.get(dc_label).stopCompute(
+ compute_name), 200, CORS_HEADER
except Exception as ex:
logging.exception("API error.")
return ex.message, 500, CORS_HEADER
if dc_label is None or dc_label == 'None':
# return list with all compute nodes in all DCs
all_containers = []
- all_extSAPs = []
for dc in dcs.itervalues():
all_containers += dc.listCompute()
- all_extSAPs += dc.listExtSAPs()
-
- extSAP_list = [(sap.name, sap.getStatus()) for sap in all_extSAPs]
- container_list = [(c.name, c.getStatus()) for c in all_containers]
- total_list = container_list + extSAP_list
- return total_list, 200, CORS_HEADER
+ container_list = [(c.name, c.getStatus())
+ for c in all_containers]
+ return container_list, 200, CORS_HEADER
else:
# return list of compute nodes for specified DC
- container_list = [(c.name, c.getStatus()) for c in dcs.get(dc_label).listCompute()]
- extSAP_list = [(sap.name, sap.getStatus()) for sap in dcs.get(dc_label).listExtSAPs()]
- total_list = container_list + extSAP_list
- return total_list, 200, CORS_HEADER
+ container_list = [(c.name, c.getStatus())
+ for c in dcs.get(dc_label).listCompute()]
+ return container_list, 200, CORS_HEADER
except Exception as ex:
logging.exception("API error.")
return ex.message, 500, CORS_HEADER
+
class ComputeResources(Resource):
"""
Update the container's resources using the docker.update function
# then no data
if params is None:
params = {}
- logging.debug("REST CALL: update container resources {0}".format(params))
- #check if container exists
+ logging.debug(
+ "REST CALL: update container resources {0}".format(params))
+ # check if container exists
d = dcs.get(dc_label).net.getNodeByName(compute_name)
# general request of cpu percentage
cpu_period = int(dcs.get(dc_label).net.cpu_period)
value = params.get('cpu_bw')
cpu_quota = int(cpu_period * float(value))
- #put default values back
+ # put default values back
if float(value) <= 0:
cpu_period = 100000
cpu_quota = -1
params['cpu_period'] = cpu_period
params['cpu_quota'] = cpu_quota
- #d.updateCpuLimit(cpu_period=cpu_period, cpu_quota=cpu_quota)
+ # d.updateCpuLimit(cpu_period=cpu_period, cpu_quota=cpu_quota)
# only pass allowed keys to docker
allowed_keys = ['blkio_weight', 'cpu_period', 'cpu_quota', 'cpu_shares', 'cpuset_cpus',
'cpuset_mems', 'mem_limit', 'mem_reservation', 'memswap_limit',
'kernel_memory', 'restart_policy']
- filtered_params = {key:params[key] for key in allowed_keys if key in params}
+ filtered_params = {key: params[key]
+ for key in allowed_keys if key in params}
d.update_resources(**filtered_params)
return d
+
class DatacenterList(Resource):
global dcs