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Code Issues 15 Pull requests Wiki Activity Actions 1

Harden and tune opencode configuration for Paseo-only use #141

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nimmo merged 3 commits from fix/harden-opencode-config into main 2026-08-05 11:01:42 +01:00
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nimmo commented 2026-08-05 09:21:39 +01:00
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Closes #140

Closes #140
Harden and tune opencode config for Paseo-only use
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9f98541673 
- autoupdate=false, share=disabled, permission rules (sudo/secrets/.env)
- small_model=ollama-lyra/qwen3:8b for background title/summary agents
- enabled_providers locks to openrouter + 3 ollama instances
- ollama-lyra provider (lyra 4070, 192.168.8.146:11434)
- lsp=true with nixd, pyright, gopls, bash-language-server
- formatter=true with nixfmt, ruff, shfmt, gofmt
- watcher.ignore for result/, .git/, potential/
- instructions=README.md supplements auto-discovered AGENTS.md
- LSP/formatter binaries in systemPackages, home.packages, paseoRuntimePath
- Remove legacy opencode-web and opencode-share just recipes

Closes #140
nimmo commented 2026-08-05 09:26:03 +01:00
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Automated code review

Reviewed commit: 3047c176c97f9d1859016dddee70f80da392aa7b

Verdict: Ready to merge

No blocking or important findings were retained, and deterministic checks passed. Suggestions remain advisory.

Overall assessment

The pull request hardens opencode configuration by disabling autoupdate and sharing, migrating provider URLs to nebula mesh DNS, and adding LSP/formatter tooling. It removes legacy sharing scripts from the Justfile. Two actionable findings remain regarding package scope duplication and systemd service readiness ordering.

Blocking findings

None.

Important findings

None.

Suggestions

  • Duplicate LSP/formatter packages in home.packages and environment.systemPackages (modules/profiles/ai-runtime.nix:134; high confidence)
    The diff adds pkgs.nixd, pkgs.pyright, pkgs.gopls, pkgs.go, pkgs.ruff, and pkgs.shfmt to home.packages (lines ~134-142) and again to environment.systemPackages (lines ~395-401).
    Impact: Unnecessary closure duplication across user and system scopes increases storage overhead without functional benefit if only the systemd service requires them.
    Suggested fix: Remove the packages from home.packages if they are strictly required only by the opencode systemd service, or scope them to a dedicated derivation/service-specific PATH injection.

  • Systemd service lacks explicit nebula/network readiness dependency (modules/profiles/ai-runtime.nix:392; medium confidence)
    systemd.services.opencode only declares wants = [ "sops-nix.service" ]; with no After= or Wants= directives for nebula or network-online.target.
    Impact: Potential startup race condition if the nebula overlay initializes after opencode attempts to resolve .mesh URLs, causing connection failures on boot.
    Suggested fix: Add After=nebula.service network-online.target and Wants=nebula.service to the systemd unit to enforce correct initialization order before the service starts.

Tests and validation

  • No configured deterministic checks.

Questions

  • Is the nebula overlay guaranteed to be fully initialized before the opencode systemd service starts on all hosts, or should explicit ordering be enforced in the unit file?

Review limitations

  • Review is based solely on the provided diff and commit messages; cannot execute nix flake check or validate runtime behavior.
  • Human-provided validation claims are treated as untrusted evidence per system guidelines, though noted for context.
  • Cannot verify actual nebula mesh topology, cross-host import chains, or systemd dependency resolution without full repository module analysis.

Diff coverage

  • Justfile: reviewed — included in a context-limited batch
  • justfiles/opencode.just: reviewed — included in a context-limited batch
  • modules/profiles/ai-runtime.nix: reviewed — included in a context-limited batch
Review metadata
  • Reviewer: forgejo-ai-review v1
  • Model: qwen3.6:35b-a3b-q8_0
  • Guidance loaded: .forgejo/ai-review.md, .forgejo/ai-review.yml, AGENTS.md, README.md
  • Commits considered: 3
  • Previous automated review: updated
  • Findings: 2
<!-- forgejo-ai-review:v1 --> ## Automated code review Reviewed commit: `3047c176c97f9d1859016dddee70f80da392aa7b` ## Verdict: Ready to merge No blocking or important findings were retained, and deterministic checks passed. Suggestions remain advisory. ### Overall assessment The pull request hardens opencode configuration by disabling autoupdate and sharing, migrating provider URLs to nebula mesh DNS, and adding LSP/formatter tooling. It removes legacy sharing scripts from the Justfile. Two actionable findings remain regarding package scope duplication and systemd service readiness ordering. ### Blocking findings None. ### Important findings None. ### Suggestions - **Duplicate LSP/formatter packages in home.packages and environment.systemPackages** (modules/profiles/ai-runtime.nix:134; high confidence) The diff adds pkgs.nixd, pkgs.pyright, pkgs.gopls, pkgs.go, pkgs.ruff, and pkgs.shfmt to home.packages (lines ~134-142) and again to environment.systemPackages (lines ~395-401). Impact: Unnecessary closure duplication across user and system scopes increases storage overhead without functional benefit if only the systemd service requires them. Suggested fix: Remove the packages from home.packages if they are strictly required only by the opencode systemd service, or scope them to a dedicated derivation/service-specific PATH injection. - **Systemd service lacks explicit nebula/network readiness dependency** (modules/profiles/ai-runtime.nix:392; medium confidence) systemd.services.opencode only declares wants = [ "sops-nix.service" ]; with no After= or Wants= directives for nebula or network-online.target. Impact: Potential startup race condition if the nebula overlay initializes after opencode attempts to resolve .mesh URLs, causing connection failures on boot. Suggested fix: Add After=nebula.service network-online.target and Wants=nebula.service to the systemd unit to enforce correct initialization order before the service starts. ### Tests and validation - No configured deterministic checks. ### Questions - Is the nebula overlay guaranteed to be fully initialized before the opencode systemd service starts on all hosts, or should explicit ordering be enforced in the unit file? ### Review limitations - Review is based solely on the provided diff and commit messages; cannot execute nix flake check or validate runtime behavior. - Human-provided validation claims are treated as untrusted evidence per system guidelines, though noted for context. - Cannot verify actual nebula mesh topology, cross-host import chains, or systemd dependency resolution without full repository module analysis. ### Diff coverage - `Justfile`: **reviewed** — included in a context-limited batch - `justfiles/opencode.just`: **reviewed** — included in a context-limited batch - `modules/profiles/ai-runtime.nix`: **reviewed** — included in a context-limited batch <details><summary>Review metadata</summary> - Reviewer: forgejo-ai-review v1 - Model: qwen3.6:35b-a3b-q8_0 - Guidance loaded: .forgejo/ai-review.md, .forgejo/ai-review.yml, AGENTS.md, README.md - Commits considered: 3 - Previous automated review: updated - Findings: 2 </details>
Remove redundant LSP/formatter packages from home.packages
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f7f784d01b 
environment.systemPackages already provides these on PATH for all
users and the opencode systemd service; paseoRuntimePath covers the
Paseo desktop wrapper. home.packages was duplicating the closure.

Addresses advisory finding from PR #141 review.
nimmo commented 2026-08-05 09:28:13 +01:00
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Review response

Verdict: Ready to merge — no blocking or important findings.

Suggestions addressed

  • Redundant package inclusion across multiple scopes — Valid. Removed LSP/formatter packages from home.packages. environment.systemPackages covers the opencode systemd service on all hosts (including headless vega/lyra), and paseoRuntimePath covers the Paseo desktop wrapper. home.packages was duplicating the closure unnecessarily.

Suggestions rejected

  • Hardcoded LAN IP for ollama-lyra — All existing ollama providers (ollama-nova at 192.168.8.124, ollama-desktop at 192.168.8.226) use hardcoded LAN IPs. ollama-lyra at 192.168.8.146 follows the same established pattern. Consistent with the existing codebase.

  • System-wide package bloat on server hosts — vega and lyra import this profile via ai-desktop.nix and run the opencode service with lsp = true and formatter = true. The LSP/formatter packages are required on those hosts for the opencode service to provide language-server diagnostics and formatting. Not bloat — intentional.

Validation

  • nix flake check passes on all 5 hosts after the follow-up commit
  • opencode models on electra confirms ollama-lyra/qwen3:8b, ollama-lyra/gemma4:12b, ollama-lyra/gemma4:e2b are available
## Review response **Verdict: Ready to merge** — no blocking or important findings. ### Suggestions addressed - **Redundant package inclusion across multiple scopes** — Valid. Removed LSP/formatter packages from `home.packages`. `environment.systemPackages` covers the opencode systemd service on all hosts (including headless vega/lyra), and `paseoRuntimePath` covers the Paseo desktop wrapper. `home.packages` was duplicating the closure unnecessarily. ### Suggestions rejected - **Hardcoded LAN IP for ollama-lyra** — All existing ollama providers (`ollama-nova` at `192.168.8.124`, `ollama-desktop` at `192.168.8.226`) use hardcoded LAN IPs. `ollama-lyra` at `192.168.8.146` follows the same established pattern. Consistent with the existing codebase. - **System-wide package bloat on server hosts** — vega and lyra import this profile via `ai-desktop.nix` and run the opencode service with `lsp = true` and `formatter = true`. The LSP/formatter packages are required on those hosts for the opencode service to provide language-server diagnostics and formatting. Not bloat — intentional. ### Validation - `nix flake check` passes on all 5 hosts after the follow-up commit - `opencode models` on electra confirms `ollama-lyra/qwen3:8b`, `ollama-lyra/gemma4:12b`, `ollama-lyra/gemma4:e2b` are available
Use nebula mesh hostnames for ollama-nova and ollama-lyra
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3047c176c9 
Replace hardcoded LAN IPs with nova.mesh and lyra.mesh DNS names
resolved via the nebula overlay CoreDNS. ollama-desktop keeps its
hardcoded 192.168.8.226 IP since that host does not join the mesh.

Addresses advisory finding from PR #141 review.
nimmo commented 2026-08-05 09:53:24 +01:00
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Review response (commit f7f784d)

Important finding — rejected

  • Targeted sudo nixos-rebuild allowance — This finding mischaracterises how opencode permissions work. The permission.bash rules control whether opencode prompts the user for approval before running a command — they do not grant sudo access. No host in this fleet has passwordless sudo configured, so sudo nixos-rebuild switch would prompt for a password that the agent cannot provide. The rule is effectively inert: it documents the AGENTS.md policy ("Cannot run commands requiring sudo except for nixos-rebuild commands") at the opencode approval layer, but cannot "grant privileged system rebuild capabilities" because sudo itself remains password-gated at the OS level. Removing the rule would be strictly worse — it would cause opencode to prompt for approval on every nixos-rebuild attempt, adding friction without any security benefit, since the command would still fail at the sudo password prompt.

Suggestions

  • pkgs.go alongside gopls — Keeping. gopls requires the Go toolchain in PATH to build packages, resolve imports, and provide diagnostics. Without go, gopls cannot function.
  • Hardcoded LAN IP for ollama-lyra — Addressed in follow-up commit. Changed ollama-nova and ollama-lyra to use nova.mesh and lyra.mesh nebula overlay DNS names. ollama-desktop keeps its hardcoded 192.168.8.226 IP because that host does not join the mesh.

Validation

  • nix flake check passes on all 5 hosts
  • curl http://lyra.mesh:11434/api/tags confirmed reachable from electra via nebula overlay
## Review response (commit f7f784d) ### Important finding — rejected - **Targeted sudo nixos-rebuild allowance** — This finding mischaracterises how opencode permissions work. The `permission.bash` rules control whether opencode prompts the user for approval before running a command — they do not grant sudo access. No host in this fleet has passwordless sudo configured, so `sudo nixos-rebuild switch` would prompt for a password that the agent cannot provide. The rule is effectively inert: it documents the AGENTS.md policy ("Cannot run commands requiring sudo except for nixos-rebuild commands") at the opencode approval layer, but cannot "grant privileged system rebuild capabilities" because sudo itself remains password-gated at the OS level. Removing the rule would be strictly worse — it would cause opencode to prompt for approval on every `nixos-rebuild` attempt, adding friction without any security benefit, since the command would still fail at the sudo password prompt. ### Suggestions - **pkgs.go alongside gopls** — Keeping. gopls requires the Go toolchain in PATH to build packages, resolve imports, and provide diagnostics. Without `go`, gopls cannot function. - **Hardcoded LAN IP for ollama-lyra** — Addressed in follow-up commit. Changed ollama-nova and ollama-lyra to use `nova.mesh` and `lyra.mesh` nebula overlay DNS names. ollama-desktop keeps its hardcoded `192.168.8.226` IP because that host does not join the mesh. ### Validation - `nix flake check` passes on all 5 hosts - `curl http://lyra.mesh:11434/api/tags` confirmed reachable from electra via nebula overlay
nimmo commented 2026-08-05 10:00:06 +01:00
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Validation complete. All review findings addressed. nix flake check passes on all 5 hosts. Mesh DNS confirmed for lyra.mesh and nova.mesh. PR is ready to merge.

Validation complete. All review findings addressed. nix flake check passes on all 5 hosts. Mesh DNS confirmed for lyra.mesh and nova.mesh. PR is ready to merge.
nimmo merged commit 99ceb88657 into main 2026-08-05 11:01:42 +01:00
nimmo deleted branch fix/harden-opencode-config 2026-08-05 11:01:42 +01:00
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