*** Variables ***
+# NS instantiation parameters
+${ns_config} {vld: [ {name: mgmtnet, vim-network-name: %{VIM_MGMT_NET}} ] }
+
+# NS and VNF descriptor package folder and ids
+${vnfd_pkg} hackfest_basic_metrics_vnf
+${vnfd_name} hackfest_basic_metrics-vnf
+${nsd_pkg} hackfest_basic_metrics_ns
+${nsd_name} hackfest_basic-ns-metrics
+
+# NS instance name and id
${ns_id} ${EMPTY}
+${ns_name} sa_02
+
+# SSH keys and username to be used
+${publickey} %{HOME}/.ssh/id_rsa.pub
+${privatekey} %{HOME}/.ssh/id_rsa
${username} ubuntu
${password} osm4u
+
+# Prometheus polling interval and retries
+${prometheus_poll_retries} 15 times
+${prometheus_poll_timeout} 1 minute
+
+# Prometheus metrics to retrieve
+${metric_name} osm_cpu_utilization
+
+# VNF Variables
${vnf_member_index} vnf
${vnf_ip_addr} ${EMPTY}
${vnf_id} ${EMPTY}
-${ns_config} {vld: [ {name: mgmtnet, vim-network-name: %{VIM_MGMT_NET}} ] }
+
${success_return_code} 0
Create VNFD '%{PACKAGES_FOLDER}/${vnfd_pkg}'
-Get Scale-Out Threshold From VNF
+Get Thresholds From VNF
${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 \\"
Should Be Equal As Integers ${rc} ${success_return_code} msg=${stdout} values=False
${scaleout_threshold}= Convert To Number ${stdout}
Set Suite Variable ${metric_threshold} ${scaleout_threshold}
- log ${metric_threshold}
+ Log ${metric_threshold}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm vnfpkg-show ${vnfd_name} --literal | yq '.df[0]."scaling-aspect"[0]."scaling-policy"[0]."threshold-time"' | tr -d \\"
+ Should Be Equal As Integers ${rc} ${success_return_code} msg=${stdout} values=False
+ ${threshold_time_value}= Convert To Number ${stdout}
+ Set Suite Variable ${threshold_time} ${threshold_time_value}
+ Log ${threshold_time}
Create NS Descriptor
Get VNF IP Address
${ip_addr}= Get Vnf Management Ip Address ${ns_id} ${vnf_member_index}
- log ${ip_addr}
+ Log ${ip_addr}
Set Suite Variable ${vnf_ip_addr} ${ip_addr}
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
+ ${metric_value}= Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Get Metric ${prometheus_host} ${prometheus_port} ${prometheus_user} ${prometheus_password} ${metric_name}
+ Run Keyword If ${metric_value} <= 0 Fail msg=The metric '${metric_name}' value is '${metric_value}'
+ Run Keyword If ${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
Wait Until Keyword Succeeds ${prometheus_poll_retries} ${prometheus_poll_timeout} Check VIM-based Metric Exceeds Threshold
+Wait Threshold Time
+
+ ${threshold_time_sleep}= Evaluate ${threshold_time} + 1
+ Sleep ${threshold_time_sleep} minutes Wait scale-out threshold time plus 1 minute
+
+
+Check VIM-based Metric Exceeds Threshold After Threshold-time
+
+ 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
+ Run Keyword If ${vdurs} <= 1 Fail msg=There is no new VDU after auto-scaling
Delete NS Instance
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}'
-
+ ${metric_value}= Get Metric ${prometheus_host} ${prometheus_port} ${prometheus_user} ${prometheus_password} ${metric_name}
+ Run Keyword If ${metric_value} <= ${metric_threshold} Fail msg=The metric '${metric_name}' value is '${metric_value}' which is lower than '${metric_threshold}'