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Using the vG-MUX as an example, the following steps are used to create a vG-MUX image which can then be used as the image for instantiating a vG-MUX VNF.

The build template (.yaml and .env) files are located in the ONAP 'demo' repository here:   demo/heat/vCPE_build/[ vgmux | vbng | vbrgemu | vgw ]

1. The build .yaml file and the associated build .env file are used to invoke the VM which will build the image. The build .yaml will invoke the build script “v_gmux_build.sh”.
1. This will build vpp and honeycomb code, it may take 30-40 minutes
2. Log into the VM as the 'ubuntu' user and check that build script has finished executing.
1. cat /opt/script_status.txt (if that file does not exist, the script is probably still running)
2. If the script has executed completely and successfully, the output will be “Execution of vG-MUX build script completed”.
3. If the script has failed to execute successfully, the output should specify the reason for its failure. For more information, query the contents of the systemd journal using the ‘journalctl’ command. See also: Debugging and troubleshooting.
3. Clean up some files not required for the final image (this will save several gigabytes):

1. sudo su -

2. rm -fr /opt/vpp /opt/hc2vpp /opt/demo /opt/script_status.txt

4. Save an image of the VNF.

1. openstack server image create --name vgmux-base-ubuntu-16-04 <VM Name or ID>

2. "vgmux-base-ubuntu-16-04" will be the name of the new vG-MUX image

Manually Instantiate a VNF based on the pre-built Image

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The template (.yaml and .env) files used to prepare a .zip file for onboarding with SDC and deployment by ONAP are located in the ONAP 'demo' repository here: demo/heat/vCPE/[ infra | vgmux | vbng | vbrgemu | vgw ]

For manual testing, the template files can be used to orchestrate a 'stack' directly in an Openstack cloud.  Just fill out the environment file appropriately.   All of the resources required by the VNFs will need to be set up in the Openstack environment in advance - such as the various Neutron networks and flavors.

1. Change the base .env file to use the VNF image created using the process described above.

   1. For

   file to use the VNF image created using the process described above.

   1. For example - replace "ubuntu-16-04-cloud-amd64" with "vgmux-base-ubuntu-16-04" in "base_vcpe_vgmux.env".

2. Ensure the base .yaml file does not have the install script commented out.
   1. For example, ensure "v_gmux_install.sh" is not commented out in "base_vcpe_vgmux.yaml".
3. Create a 'stack'

   1. CLI command:  openstack stack create -t base_vcpe_vgmux.yaml -e base_vcpe_vgmux.env vGMUX

   2. Note, remove the "vGMUX" stack that was created during the "Building a VNF Image" stage.
   3. Using the image created above, the install script will perform some configuration steps and complete much more quickly since the VPP and Honeycomb code has already been compiled.

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