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test: replace private IPs with RFC 5737 documentation ranges#694

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tmchow wants to merge 3 commits intoionos-cloud:mainfrom
tmchow:fix/693-use-documentation-ip-ranges
Open

test: replace private IPs with RFC 5737 documentation ranges#694
tmchow wants to merge 3 commits intoionos-cloud:mainfrom
tmchow:fix/693-use-documentation-ip-ranges

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@tmchow
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@tmchow tmchow commented Apr 2, 2026

Summary

Replaced all private and public IP addresses in test files with RFC 5737 documentation ranges. Tests don't connect to any real hosts, so using documentation IPs makes this explicit and prevents accidental connections. Also resolves SonarQube findings about hardcoded IPs.

Changes

14 test files updated. All IP address replacements are mechanical, no test logic changed.

Original range Replacement RFC
10.10.10.x 192.0.2.x RFC 5737 TEST-NET-1
10.1.1.x 198.51.100.x RFC 5737 TEST-NET-2
Other private ranges 203.0.113.x RFC 5737 TEST-NET-3
8.8.8.8 / 8.8.4.4 192.0.2.53 / 192.0.2.54 RFC 5737

Testing

Pure string replacement in test fixtures. No behavioral changes. Existing tests should pass with the new addresses since they only verify correct address propagation, not network connectivity.

Fixes #693

This contribution was developed with AI assistance (Claude Code).

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wikkyk commented Apr 2, 2026

You need to tell claude to actually run the tests.

@wikkyk wikkyk added the e2e/none skip all e2e tests (documentation etc) - overrides all e2e/* labels label Apr 7, 2026
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wikkyk commented Apr 9, 2026

While you're at it, you could also update the docs to use the documentation ranges. After all, that's what the documentation ranges are for :-)

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tmchow commented Apr 9, 2026

Good call @wikkyk. Updated the docs too (Usage.md, advanced-setups.md, Troubleshooting.md) to use RFC 5737 ranges: 192.0.2.0/24 for control plane examples, 198.51.100.0/24 for node/secondary ranges, and 203.0.113.0/24 for BGP peer examples.

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wikkyk commented Apr 10, 2026

We should also add a note to CONTRIBUTING.md asking contributors to use RFC3849 and RFC5739 ranges in tests/docs.

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wikkyk commented Apr 10, 2026

I will add the note to CONTRIBUTING.md. Please attribute the commits developed with claude with a Co-authored-by.

tmchow and others added 3 commits April 10, 2026 10:13
Replace all private/public IP addresses in test files with the
RFC 5737 documentation ranges (192.0.2.0/24, 198.51.100.0/24,
203.0.113.0/24) to prevent tests from accidentally connecting to
real hosts and to satisfy SonarQube analysis.

Mapping:
- 10.10.10.x -> 192.0.2.x (TEST-NET-1)
- 10.1.1.x -> 198.51.100.x (TEST-NET-2)
- Other private ranges -> 203.0.113.x (TEST-NET-3)
- 8.8.8.8/8.8.4.4 -> 192.0.2.53/192.0.2.54

Fixes ionos-cloud#693
Co-Authored-By: Claude Code <noreply@anthropic.com>
Fix 203.0.113.510/511 (invalid, octet >255) to 203.0.113.50/51.
Update expected DNS nameserver addresses in network_test.go from
8.8.8.8/8.8.4.4 to 192.0.2.53/192.0.2.54 to match the RFC 5737
documentation range replacements in the production code.
Co-Authored-By: Claude Code <noreply@anthropic.com>
Co-Authored-By: Claude Code <noreply@anthropic.com>
@tmchow tmchow force-pushed the fix/693-use-documentation-ip-ranges branch from d2508b3 to 494dfc8 Compare April 10, 2026 17:15
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tmchow commented Apr 10, 2026

Added Co-Authored-By trailers to all three commits. The docs (Troubleshooting.md, Usage.md, advanced-setups.md) were already updated in the third commit.

Ran the test suite locally. The package-level tests all pass (pkg/cloudinit, pkg/ignition, pkg/kubernetes/ipam, etc.). The internal/webhook suite panics in BeforeSuite due to missing envtest binaries, which is an environment setup issue rather than a test failure from the IP changes.

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Use documentation IP ranges in tests

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