Build custom FRR Vagrant boxes with preinstalled FRR package #3036
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Pull request overview
This PR adds the capability to build custom FRR Vagrant boxes with preinstalled FRR packages for libvirt environments. Instead of installing FRR during every lab startup (which is slow), users can now pre-build a custom Vagrant box with FRR already installed.
Changes:
- Added cloud-init configuration files to automate FRR installation during box creation
- Added libvirt domain XML template for VM provisioning
- Updated FRR device configuration to support custom box building
- Added comprehensive documentation for the box building process
Reviewed changes
Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| netsim/install/libvirt/frr/user-data | Cloud-init configuration that installs FRR and required packages during box creation |
| netsim/install/libvirt/frr/meta-data | Cloud-init metadata file specifying hostname |
| netsim/install/libvirt/frr.xml.j2 | Libvirt domain XML template for VM provisioning, similar to OpenBSD template |
| netsim/devices/frr.yml | Added create_image, create_template, and create_iso configuration for custom box building |
| docs/platforms.md | Added link to FRR box building instructions in the platform support matrix |
| docs/labs/libvirt.md | Added FRR to the list of box-building recipes and toctree |
| docs/labs/frr.md | New documentation explaining how to build custom FRR Vagrant boxes |
| docs/caveats.md | Added reference to custom box building as a way to speed up vagrant up |
Owner
Author
|
Adding reviewers in case anyone got as annoyed as I was with the "install FRR on every lab start" hurdle. Would also appreciate Linux/CloudInit-related suggestions. |
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Jan 23, 2026
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