1 # Licensed under the Apache License, Version 2.0 (the "License");
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7 # Unless required by applicable law or agreed to in writing, software
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10 # See the License for the specific language governing permissions and
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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 ${ns_config} {vld: [ {name: mgmtnet, vim-network-name: %{VIM_MGMT_NET}} ] }
44 [Tags] vnf_vim_metrics_autoscaling sanity regression
46 Create VNFD '%{PACKAGES_FOLDER}/${vnfd_pkg}'
50 [Tags] vnf_vim_metrics_autoscaling sanity regression
52 Create NSD '%{PACKAGES_FOLDER}/${nsd_pkg}'
55 Instantiate Network Service
56 [Tags] vnf_vim_metrics_autoscaling sanity regression
58 ${id}= Create Network Service ${nsd_name} %{VIM_TARGET} ${ns_name} ${ns_config} ${publickey}
59 Set Suite Variable ${ns_id} ${id}
63 [Tags] vnf_vim_metrics_autoscaling sanity regression
65 @{vnfr_list}= Get Ns Vnfr Ids ${ns_id}
67 Set Suite Variable ${vnf_id} ${vnfr_list}[0]
71 [Tags] vnf_vim_metrics_autoscaling sanity regression
73 ${ip_addr}= Get Vnf Management Ip Address ${ns_id} ${vnf_member_index}
75 Set Suite Variable ${vnf_ip_addr} ${ip_addr}
78 Get VNF VIM-based Metric Before Auto-scaling
79 [Tags] vnf_vim_metrics_autoscaling sanity regression
81 Variable Should Exist ${prometheus_poll_retries} msg=Metric polling retries is not available
82 Variable Should Exist ${prometheus_poll_timeout} msg=Metric polling timeout is not available
83 Variable Should Exist ${prometheus_host} msg=Prometheus address is not available
84 Variable Should Exist ${prometheus_port} msg=Prometheus port is not available
85 Variable Should Exist ${metric_name} msg=Prometheus metric name is not available
86 ${metric_value}= Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Get Metric ${prometheus_host} ${prometheus_port} ${metric_name}
87 Run Keyword Unless ${metric_value} > 0 Fail msg=The metric '${metric_name}' value is '${metric_value}'
88 Run Keyword Unless ${metric_value} < ${metric_threshold} Fail msg=The metric '${metric_name}' value is higher than '${metric_threshold}' before scaling
91 Increase VIM-based Metric To Force Auto-scaling
92 [Tags] vnf_vim_metrics_autoscaling sanity regression
94 Variable Should Exist ${privatekey} msg=SSH private key not available
95 Execute Remote Command Check Rc Return Output ${vnf_ip_addr} ${username} ${password} ${privatekey} for i in {1..9}; do yes > /dev/null & done
98 Wait VIM-based Metric To Exceed Threshold
99 [Tags] vnf_vim_metrics_autoscaling sanity regression
101 Variable Should Exist ${prometheus_poll_retries} msg=Metric polling retries is not available
102 Variable Should Exist ${prometheus_poll_timeout} msg=Metric polling timeout is not available
103 Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Check VIM-based Metric Exceeds Threshold
106 Get VDUs After Auto-scaling
107 [Tags] vnf_vim_metrics_autoscaling sanity regression
109 Sleep 2 minutes Wait for auto-scale to take place
110 @{vdur_list}= Get Vnf Vdur Names ${vnf_id}
111 Log List ${vdur_list}
112 ${vdurs}= Get Length ${vdur_list}
113 Run Keyword Unless ${vdurs} > 1 Fail msg=There is no new VDU after auto-scaling
117 [Tags] vnf_vim_metrics_autoscaling sanity regression cleanup
123 [Tags] vnf_vim_metrics_autoscaling sanity regression cleanup
125 Delete NSD ${nsd_name}
128 Delete VNF Descriptor
129 [Tags] vnf_vim_metrics_autoscaling sanity regression cleanup
131 Delete VNFD ${vnfd_name}
136 [Documentation] Test Suite Cleanup: Deleting descriptors and NS instance
138 Run Keyword If Any Tests Failed Delete NS ${ns_name}
139 Run Keyword If Any Tests Failed Delete NSD ${nsd_name}
140 Run Keyword If Any Tests Failed Delete VNFD ${vnfd_name}
143 Check VIM-based Metric Exceeds Threshold
144 [Documentation] Auxiliar keyword to check if metric exceeds threshold
146 Variable Should Exist ${prometheus_host} msg=Prometheus address is not available
147 Variable Should Exist ${prometheus_port} msg=Prometheus port is not available
148 Variable Should Exist ${metric_name} msg=Prometheus metric name is not available
149 ${metric_value}= Get Metric ${prometheus_host} ${prometheus_port} ${metric_name}
150 Run Keyword Unless ${metric_value} > ${metric_threshold} Fail msg=The metric '${metric_name}' value is '${metric_value}' which is lower than '${metric_threshold}'