# 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. *** Settings *** Documentation [SA-02] VNF with VIM-based metrics and auto-scaling. Library OperatingSystem Library String Library Collections Library SSHLibrary Resource %{ROBOT_DEVOPS_FOLDER}/lib/vnfd_lib.robot Resource %{ROBOT_DEVOPS_FOLDER}/lib/nsd_lib.robot Resource %{ROBOT_DEVOPS_FOLDER}/lib/ns_lib.robot Resource %{ROBOT_DEVOPS_FOLDER}/lib/ssh_lib.robot Resource %{ROBOT_DEVOPS_FOLDER}/lib/prometheus_lib.robot Variables %{ROBOT_DEVOPS_FOLDER}/resources/sa_02-vnf_with_vim_metrics_and_autoscaling_data.py Force Tags sa_02 cluster_sa daily regression sanity Suite Teardown Run Keyword And Ignore Error Suite Cleanup *** Variables *** ${ns_id} ${EMPTY} ${username} ubuntu ${password} osm4u ${vnf_member_index} 1 ${vnf_ip_addr} ${EMPTY} ${vnf_id} ${EMPTY} ${ns_config} {vld: [ {name: mgmtnet, vim-network-name: %{VIM_MGMT_NET}} ] } *** Test Cases *** Create VNF Descriptor Create VNFD '%{PACKAGES_FOLDER}/${vnfd_pkg}' Create NS Descriptor Create NSD '%{PACKAGES_FOLDER}/${nsd_pkg}' Instantiate Network Service ${id}= Create Network Service ${nsd_name} %{VIM_TARGET} ${ns_name} ${ns_config} ${publickey} Set Suite Variable ${ns_id} ${id} Get VNF Id @{vnfr_list}= Get Ns Vnfr Ids ${ns_id} Log List ${vnfr_list} Set Suite Variable ${vnf_id} ${vnfr_list}[0] Get VNF IP Address ${ip_addr}= Get Vnf Management Ip Address ${ns_id} ${vnf_member_index} log ${ip_addr} Set Suite Variable ${vnf_ip_addr} ${ip_addr} Get VNF VIM-based Metric Before Auto-scaling Variable Should Exist ${prometheus_poll_retries} msg=Metric polling retries is not available Variable Should Exist ${prometheus_poll_timeout} msg=Metric polling timeout is not available Variable Should Exist ${prometheus_host} msg=Prometheus address is not available Variable Should Exist ${prometheus_port} msg=Prometheus port is not available Variable Should Exist ${metric_name} msg=Prometheus metric name is not available ${metric_value}= Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Get Metric ${prometheus_host} ${prometheus_port} ${metric_name} Run Keyword Unless ${metric_value} > 0 Fail msg=The metric '${metric_name}' value is '${metric_value}' Run Keyword Unless ${metric_value} < ${metric_threshold} Fail msg=The metric '${metric_name}' value is higher than '${metric_threshold}' before scaling Increase VIM-based Metric To Force Auto-scaling Variable Should Exist ${privatekey} msg=SSH private key not available Execute Remote Command Check Rc Return Output ${vnf_ip_addr} ${username} ${password} ${privatekey} for i in {1..9}; do yes > /dev/null & done Wait VIM-based Metric To Exceed Threshold Variable Should Exist ${prometheus_poll_retries} msg=Metric polling retries is not available Variable Should Exist ${prometheus_poll_timeout} msg=Metric polling timeout is not available Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Check VIM-based Metric Exceeds Threshold Get VDUs After Auto-scaling Sleep 2 minutes Wait for auto-scale to take place @{vdur_list}= Get Vnf Vdur Names ${vnf_id} Log List ${vdur_list} ${vdurs}= Get Length ${vdur_list} Run Keyword Unless ${vdurs} > 1 Fail msg=There is no new VDU after auto-scaling Delete NS Instance [Tags] cleanup Delete NS ${ns_name} Delete NS Descriptor [Tags] cleanup Delete NSD ${nsd_name} Delete VNF Descriptor [Tags] cleanup Delete VNFD ${vnfd_name} *** Keywords *** Suite Cleanup [Documentation] Test Suite Cleanup: Deleting descriptors and NS instance Run Keyword If Any Tests Failed Delete NS ${ns_name} Run Keyword If Any Tests Failed Delete NSD ${nsd_name} Run Keyword If Any Tests Failed Delete VNFD ${vnfd_name} Check VIM-based Metric Exceeds Threshold [Documentation] Auxiliar keyword to check if metric exceeds threshold Variable Should Exist ${prometheus_host} msg=Prometheus address is not available Variable Should Exist ${prometheus_port} msg=Prometheus port is not available Variable Should Exist ${metric_name} msg=Prometheus metric name is not available ${metric_value}= Get Metric ${prometheus_host} ${prometheus_port} ${metric_name} Run Keyword Unless ${metric_value} > ${metric_threshold} Fail msg=The metric '${metric_name}' value is '${metric_value}' which is lower than '${metric_threshold}'