Add an IPv6-only mode, defaulted off#65
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EdGeraghty merged 6 commits intodevelopfrom Nov 26, 2025
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🆕 New Headscale Config Options+ v4
+ v6``` |
How/when did that happen?
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Pull request overview
This PR adds an IPv6-only mode to headscale, aligning with upstream headscale support. The feature is disabled by default, maintaining dual-stack IPv4/IPv6 as the default behaviour.
- Introduces
IPV6_ONLYenvironment variable (defaulted tofalse) - Dynamically constructs YAML prefix configuration based on the IPv6-only setting
- Refactors IP address validation into a dedicated function
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.
| File | Description |
|---|---|
| scripts/defaults.sh | Adds default value for the new IPV6_ONLY configuration option |
| scripts/container-entrypoint.sh | Implements check_ip_address_settings() function to validate IP settings and construct the IP_PREFIXES variable conditionally based on IPv6-only mode |
| templates/headscale.template.yaml | Replaces hardcoded v4/v6 prefix entries with dynamic $IP_PREFIXES variable substitution |
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@copilot open a new pull request to apply changes based on the comments in this thread |
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@EdGeraghty I've opened a new pull request, #66, to work on those changes. Once the pull request is ready, I'll request review from you. |
Co-authored-by: EdGeraghty <20861699+EdGeraghty@users.noreply.github.com>
Address PR #65 review comments: fix indentation, quote variables, document IPV6_ONLY
🆕 New Headscale Config Options+ - random
+ - sequential (default)
+ Strategy used for allocation of IPs to nodes, available options
+ v4
+ v6``` |
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Supported by headscale, seems to be the official way to do it