-"""
-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
+import threading
-logging.basicConfig(level=logging.INFO)
+logging.basicConfig()
CORS_HEADER = {'Access-Control-Allow-Origin': '*'}
+# the dcs dict is set in the rest_api_endpoint.py upon datacenter init
dcs = {}
example networks list({"id":"input","ip": "10.0.0.254/8"}, {"id":"output","ip": "11.0.0.254/24"})
:return: docker inspect dict of deployed docker
"""
+
global dcs
- def put(self, dc_label, compute_name):
+ def put(self, dc_label, compute_name, resource=None, value=None):
+ # deploy new container
# check if json data is a dict
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
all_containers = []
for dc in dcs.itervalues():
all_containers += dc.listCompute()
- return [(c.name, c.getStatus()) for c in all_containers], 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
- return [(c.name, c.getStatus())
- for c in dcs.get(dc_label).listCompute()], 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
+ re-using the same parameters:
+ url params:
+ blkio_weight
+ cpu_period, cpu_quota, cpu_shares
+ cpuset_cpus
+ cpuset_mems
+ mem_limit
+ mem_reservation
+ memswap_limit
+ kernel_memory
+ restart_policy
+ see https://docs.docker.com/engine/reference/commandline/update/
+ or API docs: https://docker-py.readthedocs.io/en/stable/api.html#module-docker.api.container
+ :param dc_label: name of the DC
+ :param compute_name: compute container name
+
+ :return: docker inspect dict of deployed docker
+ """
+ global dcs
+
+ def put(self, dc_label, compute_name):
+ logging.debug("REST CALL: update container resources")
+
+ try:
+ c = self._update_resources(dc_label, compute_name)
+ return c.getStatus(), 200, CORS_HEADER
+ except Exception as ex:
+ logging.exception("API error.")
+ return ex.message, 500, CORS_HEADER
+
+ def _update_resources(self, dc_label, compute_name):
+
+ # get URL parameters
+ params = request.args
+ # then no data
+ if params is None:
+ params = {}
+ 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
+ # create a mutable copy
+ params = params.to_dict()
+ if 'cpu_bw' in params:
+ 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
+ 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)
+
+ # 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}
+
+ d.update_resources(**filtered_params)
+
+ return d
+
+
class DatacenterList(Resource):
global dcs
projects / osm / vim-emu.git / blobdiff