X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fapi%2Frest%2Fcompute.py;h=c4f7f3bb64e7a4935c3ac81fa7b1c19766344c2b;hb=4e5c81ecd37e7383c52dad55079f91b90dec22fe;hp=22e9d6df13c9a0a17bbf3cf8bb6d1cd62635230d;hpb=dfc1460d7f4d0eae6412ad0c80ab9a9deb6e657d;p=osm%2Fvim-emu.git diff --git a/src/emuvim/api/rest/compute.py b/src/emuvim/api/rest/compute.py index 22e9d6d..c4f7f3b 100755 --- a/src/emuvim/api/rest/compute.py +++ b/src/emuvim/api/rest/compute.py @@ -14,7 +14,7 @@ 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] +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. @@ -29,11 +29,13 @@ import logging from flask_restful import Resource from flask import request import json +from copy import deepcopy -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 = {} @@ -48,10 +50,12 @@ class Compute(Resource): 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: @@ -121,17 +125,93 @@ class ComputeList(Resource): 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() - return [(c.name, c.getStatus()) for c in all_containers], 200, CORS_HEADER + 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 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()] + 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 + 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