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ONAP Casablanca Release delivers platform capabilities that support scaling up resources. The use case has been designed and implemented to fully take advantage of existing functionalities, using newer APIs and technologies whenever possible. Compared to the previous version delivered for Beijing, which supported only manual trigger and one VNF type, the new use case adds:

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1) When running closed loop-enabled scale out, the closed loop designed in CLAMP conflicts with the default closed loop defined for the old vLB/vDNS use case

Resolution: Change TCA configuration for the old vLB/vDNS use case

• Connect to Consul: http://<ANY K8S VM IP ADDRESS>:30270 and click on "Key/Value" → "dcae-tca-analytics"
• Change "eventName" in the vLB default policy to something different, for example "vLB" instead of the default value "vLoadBalancer"
• Change "subscriberConsumerGroup" in the TCA configuration to something different, for example "OpenDCAE-c13" instead of the default value "OpenDCAE-c12"
• Click "UPDATE" to upload the new TCA configuration

2) When running closed loop-enabled scale out, the permitAll guard policy conflicts with the scale out guard policy

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VNF interface for CDT: Vloadbalancerms..dnsscaling..module-1.xml

AAI API to set Availability Zone:

• CloudOwner is the cloud-owner object in AAI

• RegionOne is the cloud-region-id in AAI
• AZ1 is the name of the Availability Zone

curl -X PUT \
  https://10.12.7.29:30233/aai/v14/cloud-infrastructure/cloud-regions/cloud-region/CloudOwner/RegionOne/availability-zones/availability-zone/AZ1 \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -H 'Postman-Token: 4fe938e9-28d7-4956-8822-e01b6f27a894' \
  -H 'X-FromAppId: AAI' \
  -H 'X-TransactionId: get_aai_subscr' \
  -H 'cache-control: no-cache' \
  -d '{
	"availability-zone-name": "AZ1",
	"hypervisor-type": "hypervisor"
}'

VID API to enable scale out for a given VNF.:

• UUID is the VNF model version ID in the CSAR file
• invariantUUID is the VNF model invariant ID in the CSAR file

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