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How TOSCA based VNF is instatiated

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Here, This flow is based on end-end automation done during the dublin release using script . 

NOTE:  TBD commands to be implemented while others are already exists

Sample available here: https://github.com/onap/integration/blob/master/test/hpa_automation/tosca/hpa_automation.py 

As VTP could levarage each of these commands as test cases , all these test cases for LCM is available as it is 

LCM as one test case

TOSCA Based VNF validation in VTP - ElAlto

Architecture

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Sequence diagram of VNF validation

Refer here

VTP LCM test case used for testing the VNF life-cycle

1. Create new java package for VNF-LCM testing in VNFSDK
2. Create new scenario in VTP called "lfn-ovp-vnf"
3. Create new testsuite in VTP named "vnf-validation" under scenario "lfn-ovp-vnf"
4. Add new test case with name  "onap-vnf-lcm" under testsuite "vnf-validation" with following details
   1. Execution block : use script to run the LCM testing using ONAP CLI

   2. Inputs: Update the script to take  following additional parameters as arguments if not available from config file 

      parameter name	description	config entry	action	notes
      request_id	On every testing, to track the progress and results, this parameter is added	NA	update all oclip command used in the script with --request-id parameter with value given using this request-id.
      vnf_csar_path	TOSCA VNF CSAR used for testing.  SDC will upload this file to VTP using execute API and VTP will store it in local file system and use it while invoking the script with this parameter.	vnfs.vgw.path	comment this property in config file update the script to use the value given using this parameter instead from config file
      ns_csar_path	TOSCA NSCSAR used for testing.  SDC will upload this file to VTP using execute API and VTP will store it in local file system and use it while invoking the script with this parameter.	vnfs.vgw.path	comment this property in config file update the script to use the value given using this parameter instead from config file	Optional.
      vnf_csar_id	dynamically generated CSAR ID (uuid)	ns. csar-id	TBD	Not required as input. After step-3, CLI will find the csar id and use it step 6.
      ns_csar_id	dynamically generated CSAR ID (uuid)	vnfs.vgw.csar-id	TBD

      
      

   3. Outputs: Update the script to produce following outputs

      
      

      Output	description	action	notes
      vnf-id	VNF ID	update the script to generate the output json with this value
      ns-id	NS ID	update the script to generate the output json with this value
      vnf_status	VNF status	update the script to report the status of VNF	stretch goal
      ns_status	NSstatus	update the script to report the status of NS	stretch goal

      NOTE: Once VNF is created, how to test the health of VNF,  these outputs would be useful, if VFC provides health check REST API for given VNF 

   4. Errors: Update  the script to write the errors in error stream, so that OCLIP will automatically read it.  Use the format : <error-code>: <error-message>

Enhance VTP to query test results based on request-id

as LCM test case will take considerable time, its important for the user to track the progress of testing. so Update VTP executions API to retrieve the test case progress  using query parameter 'request-id'.

/v1/vtp/executions?request-id=<uuid>

-- Already supported

Options

Currently every action is available as indivual test cases and to run complete LCM operation including on-boarding and instantiation, this automation script to be modelled as test case, so complete LCM actions could be executed in one shot. so OVP can invoke these test cases either direclty invoking given LCM action or as a whole operation.

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LFN 

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