diff --git a/.planning/STATE.md b/.planning/STATE.md index 7cb8354..22a2877 100644 --- a/.planning/STATE.md +++ b/.planning/STATE.md @@ -8,21 +8,21 @@ ## Current Position - **Milestone:** v1.0 — Conversational Docker Control -- **Phase:** 1 of 5 — Foundation (COMPLETE) -- **Plan:** 2 of 2 complete -- **Status:** Phase 1 complete, ready for Phase 2 -- **Last activity:** 2026-01-28 - Completed 01-02-PLAN.md +- **Phase:** 2 of 5 — Docker Integration (IN PROGRESS) +- **Plan:** 1 of 2 complete +- **Status:** Executing Phase 2 +- **Last activity:** 2026-01-29 - Completed 02-01-PLAN.md ## Progress ``` Phase 1: Foundation [██████████] Complete (2/2 plans) -Phase 2: Docker Integration 🔲 Not started +Phase 2: Docker Integration [█████░░░░░] In progress (1/2 plans) Phase 3: Container Actions 🔲 Not started Phase 4: Logs & Intelligence🔲 Not started Phase 5: Polish & Deploy 🔲 Not started -Overall: [██░░░░░░░░] 20% +Overall: [███░░░░░░░] 30% ``` ## Recent Decisions @@ -35,6 +35,8 @@ Overall: [██░░░░░░░░] 20% | Hardcoded user ID in workflow | n8n CE blocks env var access in expressions | 2026-01-28 | | Silent ignore unauthorized | No false branch nodes, prevents information leak | 2026-01-28 | | HTML parse mode | Future formatting flexibility for responses | 2026-01-28 | +| Static curl binary mount | Hardened n8n image lacks package manager | 2026-01-29 | +| --group-add 281 for socket | Node user needs docker group for socket access | 2026-01-29 | ## Pending Todos @@ -46,10 +48,10 @@ Overall: [██░░░░░░░░] 20% ## Session Continuity -- **Last session:** 2026-01-28 -- **Stopped at:** Completed 01-02-PLAN.md (Workflow Import and Verification) +- **Last session:** 2026-01-29 +- **Stopped at:** Completed 02-01-PLAN.md (Docker Socket Configuration) - **Resume file:** None -- **Next step:** Plan Phase 2 - Docker Integration +- **Next step:** Execute 02-02-PLAN.md (Docker Query Workflow) --- *Auto-maintained by GSD workflow* diff --git a/.planning/phases/02-docker-integration/02-01-SUMMARY.md b/.planning/phases/02-docker-integration/02-01-SUMMARY.md new file mode 100644 index 0000000..14682d5 --- /dev/null +++ b/.planning/phases/02-docker-integration/02-01-SUMMARY.md @@ -0,0 +1,129 @@ +--- +phase: 02-docker-integration +plan: 01 +subsystem: infra +tags: [docker, n8n, unraid, unix-socket, curl] + +requires: + - phase: 01-foundation + provides: n8n workflow with Telegram integration + +provides: + - Docker socket access from n8n container + - curl binary with Unix socket support + - Execute Command node enabled in n8n + +affects: [02-docker-integration, 03-container-actions] + +tech-stack: + added: [static-curl] + patterns: [unix-socket-api-access, volume-mount-binaries] + +key-files: + created: [] + modified: [n8n container configuration] + +key-decisions: + - "Mount static curl binary instead of installing via package manager (hardened image lacks apk)" + - "Use --group-add 281 to grant docker socket access to node user" + - "Mount curl from /mnt/user/appdata/n8n/bin/ for persistence across updates" + +patterns-established: + - "Static binaries mounted as volumes for hardened containers" + - "Group-add for socket permissions in rootless containers" + +duration: ~45min +completed: 2026-01-29 +--- + +# Phase 2 Plan 01: Docker Socket Configuration Summary + +**n8n container configured with Docker socket access via mounted static curl binary and group permissions** + +## Performance + +- **Duration:** ~45 min (interactive configuration) +- **Started:** 2026-01-29T13:45:00Z +- **Completed:** 2026-01-29T14:30:00Z +- **Tasks:** 3 +- **Files modified:** 0 (container configuration only) + +## Accomplishments + +- Docker socket mounted at `/var/run/docker.sock` in n8n container +- Static curl binary with Unix socket support mounted at `/usr/local/bin/curl` +- Execute Command node enabled via `NODES_EXCLUDE=` environment variable +- Docker group (281) added to container for socket permissions +- Verified: n8n can query Docker API and retrieve container list + +## Task Commits + +This plan involved container configuration only - no code changes to commit. + +**Configuration changes applied:** +1. Volume mount: `/var/run/docker.sock` → `/var/run/docker.sock` +2. Volume mount: `/mnt/user/appdata/n8n/bin/curl` → `/usr/local/bin/curl` +3. Environment variable: `NODES_EXCLUDE=` +4. Extra parameter: `--group-add 281` + +## Files Created/Modified + +No files in repository - all changes were to n8n container configuration in Unraid. + +**On Unraid host:** +- `/mnt/user/appdata/n8n/bin/curl` - Static curl binary downloaded + +## Decisions Made + +| Decision | Rationale | +|----------|-----------| +| Use static curl binary | Hardened n8n image lacks package manager (apk removed) | +| Mount curl as volume | Persists across container updates unlike in-container installs | +| Use moparisthebest static-curl | Includes Unix socket support, fully static linked | +| Add --group-add 281 | Grants docker group access to node user for socket permissions | + +## Deviations from Plan + +### Discovery: Hardened Image Limitations + +- **Found during:** Task 1 (curl installation) +- **Issue:** n8n hardened image from Docker has no package manager - `apk` command not found +- **Resolution:** Downloaded static curl binary and mounted as volume +- **Impact:** More sustainable solution - survives container updates + +### Discovery: Dynamic Library Dependencies + +- **Found during:** Task 1 (curl installation) +- **Issue:** Host's `/usr/bin/curl` couldn't be mounted - depends on shared libraries not in container +- **Resolution:** Used fully static curl binary from moparisthebest/static-curl + +### Discovery: Socket Permissions + +- **Found during:** Task 2 (Docker API verification) +- **Issue:** n8n runs as `node` user (uid=1000) but docker socket owned by group 281 +- **Resolution:** Added `--group-add 281` to container extra parameters + +--- + +**Total deviations:** 3 discoveries, all resolved +**Impact on plan:** Approach adapted for hardened image constraints. Final solution more robust than original plan. + +## Issues Encountered + +- Initial curl binary lacked Unix socket support (wrong build) - resolved by using correct static build +- Trailing space in docker.sock path from Unraid UI - resolved by manual re-entry +- Spurious `docker.sock ` directory created - cleaned up with rmdir + +## User Setup Required + +None - all configuration completed during execution. + +## Next Phase Readiness + +- Docker socket access fully working +- curl can query Docker API from within n8n container +- Ready for Plan 02-02: Docker query workflow implementation + +--- +*Phase: 02-docker-integration* +*Completed: 2026-01-29*