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14 Documentation [SA-02] VNF with VIM-based metrics and auto-scaling.
16 Library OperatingSystem
21 Resource %{ROBOT_DEVOPS_FOLDER}/lib/vnfd_lib.robot
22 Resource %{ROBOT_DEVOPS_FOLDER}/lib/nsd_lib.robot
23 Resource %{ROBOT_DEVOPS_FOLDER}/lib/ns_lib.robot
24 Resource %{ROBOT_DEVOPS_FOLDER}/lib/ssh_lib.robot
25 Resource %{ROBOT_DEVOPS_FOLDER}/lib/prometheus_lib.robot
27 Variables %{ROBOT_DEVOPS_FOLDER}/resources/sa_02-vnf_with_vim_metrics_and_autoscaling_data.py
29 Suite Teardown Run Keyword And Ignore Error Suite Cleanup
37 ${vnf_ip_addr} ${EMPTY}
39 ${ns_config} {vld: [ {name: mgmtnet, vim-network-name: %{VIM_MGMT_NET}} ] }
40 ${success_return_code} 0
45 [Tags] vnf_vim_metrics_autoscaling sanity regression
47 Create VNFD '%{PACKAGES_FOLDER}/${vnfd_pkg}'
50 Get Scale-Out Threshold From VNF
51 [Tags] vnf_vim_metrics_autoscaling sanity regression
53 ${rc} ${stdout}= Run and Return RC and Output osm vnfpkg-show ${vnfd_name} --literal | yq '.df[0]."scaling-aspect"[0]."scaling-policy"[0]."scaling-criteria"[0]."scale-out-threshold"' | tr -d \\"
54 Should Be Equal As Integers ${rc} ${success_return_code} msg=${stdout} values=False
55 ${scaleout_threshold}= Convert To Number ${stdout}
56 Set Suite Variable ${metric_threshold} ${scaleout_threshold}
57 log ${metric_threshold}
61 [Tags] vnf_vim_metrics_autoscaling sanity regression
63 Create NSD '%{PACKAGES_FOLDER}/${nsd_pkg}'
66 Instantiate Network Service
67 [Tags] vnf_vim_metrics_autoscaling sanity regression
69 ${id}= Create Network Service ${nsd_name} %{VIM_TARGET} ${ns_name} ${ns_config} ${publickey}
70 Set Suite Variable ${ns_id} ${id}
74 [Tags] vnf_vim_metrics_autoscaling sanity regression
76 @{vnfr_list}= Get Ns Vnfr Ids ${ns_id}
78 Set Suite Variable ${vnf_id} ${vnfr_list}[0]
82 [Tags] vnf_vim_metrics_autoscaling sanity regression
84 ${ip_addr}= Get Vnf Management Ip Address ${ns_id} ${vnf_member_index}
86 Set Suite Variable ${vnf_ip_addr} ${ip_addr}
89 Get VNF VIM-based Metric Before Auto-scaling
90 [Tags] vnf_vim_metrics_autoscaling sanity regression
92 Variable Should Exist ${prometheus_poll_retries} msg=Metric polling retries is not available
93 Variable Should Exist ${prometheus_poll_timeout} msg=Metric polling timeout is not available
94 Variable Should Exist ${prometheus_host} msg=Prometheus address is not available
95 Variable Should Exist ${prometheus_port} msg=Prometheus port is not available
96 Variable Should Exist ${metric_name} msg=Prometheus metric name is not available
97 ${metric_value}= Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Get Metric ${prometheus_host} ${prometheus_port} ${metric_name}
98 Run Keyword Unless ${metric_value} > 0 Fail msg=The metric '${metric_name}' value is '${metric_value}'
99 Run Keyword Unless ${metric_value} < ${metric_threshold} Fail msg=The metric '${metric_name}' value is higher than '${metric_threshold}' before scaling
102 Increase VIM-based Metric To Force Auto-scaling
103 [Tags] vnf_vim_metrics_autoscaling sanity regression
105 Variable Should Exist ${privatekey} msg=SSH private key not available
106 Execute Remote Command Check Rc Return Output ${vnf_ip_addr} ${username} ${password} ${privatekey} for i in {1..9}; do yes > /dev/null & done
109 Wait VIM-based Metric To Exceed Threshold
110 [Tags] vnf_vim_metrics_autoscaling sanity regression
112 Variable Should Exist ${prometheus_poll_retries} msg=Metric polling retries is not available
113 Variable Should Exist ${prometheus_poll_timeout} msg=Metric polling timeout is not available
114 Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Check VIM-based Metric Exceeds Threshold
117 Get VDUs After Auto-scaling
118 [Tags] vnf_vim_metrics_autoscaling sanity regression
120 Sleep 2 minutes Wait for auto-scale to take place
121 @{vdur_list}= Get Vnf Vdur Names ${vnf_id}
122 Log List ${vdur_list}
123 ${vdurs}= Get Length ${vdur_list}
124 Run Keyword Unless ${vdurs} > 1 Fail msg=There is no new VDU after auto-scaling
128 [Tags] vnf_vim_metrics_autoscaling sanity regression cleanup
134 [Tags] vnf_vim_metrics_autoscaling sanity regression cleanup
136 Delete NSD ${nsd_name}
139 Delete VNF Descriptor
140 [Tags] vnf_vim_metrics_autoscaling sanity regression cleanup
142 Delete VNFD ${vnfd_name}
147 [Documentation] Test Suite Cleanup: Deleting descriptors and NS instance
149 Run Keyword If Any Tests Failed Delete NS ${ns_name}
150 Run Keyword If Any Tests Failed Delete NSD ${nsd_name}
151 Run Keyword If Any Tests Failed Delete VNFD ${vnfd_name}
154 Check VIM-based Metric Exceeds Threshold
155 [Documentation] Auxiliar keyword to check if metric exceeds threshold
157 Variable Should Exist ${prometheus_host} msg=Prometheus address is not available
158 Variable Should Exist ${prometheus_port} msg=Prometheus port is not available
159 Variable Should Exist ${metric_name} msg=Prometheus metric name is not available
160 ${metric_value}= Get Metric ${prometheus_host} ${prometheus_port} ${metric_name}
161 Run Keyword Unless ${metric_value} > ${metric_threshold} Fail msg=The metric '${metric_name}' value is '${metric_value}' which is lower than '${metric_threshold}'