chore(matic): Remove Falcon, Kolide, and install ISO - #2082
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Drop CrowdStrike Falcon sensor packaging and the optional falcon.nix import gate, Kolide launcher, and maticIso flake/eval targets. Also remove the Falcon-only 6.18 kernel pin so matic uses the default kernel.
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📝 WalkthroughSummary by CodeRabbit
WalkthroughThe Matic configuration no longer includes Falcon or Kolide integration, pins a kernel version, or exports and evaluates a Matic ISO. Associated Falcon initialization files, packaging, modules, and coverage tests were removed. ChangesMatic integration cleanup
Matic ISO cleanup
Estimated code review effort: 2 (Simple) | ~10 minutes Possibly related PRs
Suggested labels: Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Code Review
This pull request removes the CrowdStrike Falcon sensor and Kolide launcher configurations, scripts, packages, and associated tests from the matic host configuration. It also removes the matic ISO bootstrap configuration (iso.nix) and its evaluation checks. I have no feedback to provide as there are no review comments.
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Mesa DescriptionTL;DRRemoved CrowdStrike Falcon sensor, Kolide launcher, and custom installation ISO configurations from the What changed?
Host cleanup (after switch)On matic, after sudo systemctl stop falcon-sensor.service kolide-launcher.service 2>/dev/null || true
sudo rm -f /etc/nixos/falcon-sensor.deb /etc/falcon-sensor.env
sudo chattr -i -R /opt/CrowdStrike 2>/dev/null || true
sudo rm -rf /opt/CrowdStrike /etc/kolide-k2Description generated by Mesa. Update settings |
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Performed full review of eacbdf6...cf23c6b
Analysis
• Security posture materially changes with EDR and device trust removal, but the PR lacks documentation of the security rationale or compensating controls—this creates an implicit security decision that may not be visible to future maintainers or auditors
• Dynamic linking infrastructure (nix-ld) remains enabled despite its primary use case being removed—clarify whether legitimate uses justify its retention or if it should also be decommissioned
• No safeguards exist to prevent accidental reintroduction of removed modules during future refactoring—consider adding assertions that matic explicitly does not import the deleted security modules
• Kernel unpinning removes explicit documentation of why the pin existed, which may cause future maintainers to wonder about the historical constraint—add a brief comment explaining the pin was Falcon-specific
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Summary
named-hosts/maticmaticIsoflake configuration and eval check (iso.nix)Changes
named-hosts/matic/falcon*,kolide.nix,iso.nixnamed-hosts/matic/default.nix(no falcon gate / kolide import / kernel pin)maticIsofromflake.nixandeval-nixos-matic-isofromtests/eval.nixfalcon-init.shTesting
nix-instantiate --parse named-hosts/matic/default.nixHost cleanup (after switch)
On matic, after
make build HOST=matic && make switch HOST=matic(or boot+reboot):Generated with [Grok Build] by [Grok]
Summary by cubic
Remove CrowdStrike Falcon and Kolide from the
matichost and delete thematicIsobuild.maticnow tracks the default kernel with a simpler host config.Refactors
flake.nixand eval to removematicIso.named-hosts/matic/default.nix; keptnix-ldenabled.Migration
falcon-sensorandkolide-launcherand remove/opt/CrowdStrike,/etc/kolide-k2, and any Falcon artifacts under/etc(e.g.,falcon-sensor.deb,falcon-sensor.env).Written for commit cf23c6b. Summary will update on new commits.