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docs: v1.2.0 changelog and operations runbook

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- DOC-01: CHANGELOG.md for v1.2.0 — crash fixes, DWN sync perf, test
  suite, did:dht planning, DWN protocols, deploy hardening, ISO improvements
- DOC-04: operations-runbook.md — 17 sections covering health checks,
  container management, federation, Tor, backups, updates, diagnostics,
  emergency recovery, and test execution

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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@ -7,6 +7,71 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased] ## [Unreleased]
## [1.2.0] - 2026-03-14
### Fixed
#### Crash Loop Resolution
- Identified and fixed UFW blocking Podman subnet DNS resolution on .228
- Fixed archy-nbxplorer, btcpay-server, mempool-web, immich crash loops (3500+ restarts)
- All 32 containers stable with zero crash loops after fix
#### DWN Sync Performance
- Made `dwn.sync` endpoint non-blocking (background task with polling)
- Added 90-second overall sync timeout to prevent indefinite blocking
- Deduplicated peer onion addresses before syncing
- Batched message pushes (50/batch) instead of one-at-a-time over Tor
- Fixed HTTP handler to process all messages in batch (was only first)
#### Backup Reliability
- Increased backup.create rate limit from 3/600 to 10/600 for testing
- Increased backup.restore rate limit from 2/600 to 5/600
#### Deploy Script
- Added `set -eo pipefail` for pipe error detection
- Fixed duplicate variable initialization
- Fail on missing binary in --both path (was silently ignored)
- Added post-deploy health check on .198
### Added
#### Cross-Node Test Suite
- US-08: DWN sync tests — 50/50 pass (register, write, sync, query bidirectional)
- US-10: Backup/restore tests — 80/80 pass (create, list, verify, delete × 10 × 2 nodes)
- US-15: Boot recovery tests — .228 9/9 pass (32/32 containers survive 3 reboots)
- `trigger_sync_and_wait()` helper for polling async DWN sync
#### did:dht Integration Planning
- Architecture document: `docs/did-dht-integration.md`
- BEP-44 mutable DHT items, DNS packet encoding, z-base-32 identifiers
- Publication/resolution flows, `mainline` crate selection, security notes
#### DWN Protocol Definitions
- 4 Archipelago DWN protocols documented in `docs/dwn-protocols.md`
- Node Identity Announcements (public)
- File Sharing Catalog (public)
- Federation State (private)
- App Deployment Requests (private)
- Auto-registration of all 4 protocols on backend startup
#### Deploy Script Improvements
- `--dry-run` flag shows what would be deployed without executing
- Works with all other flags (--live, --both, --frontend-only)
#### ISO/First-Boot Improvements
- Auto-create swap file on first boot (50% RAM, min 2GB, max 8GB)
- Tiered container startup ordering in first-boot script
- Tier 1: Databases, Tier 2: Core Services (5s delay), Tier 3: Applications (5s delay)
### Security
#### Backend Hardening
- Rate limiting on federation endpoints (join 5/60s, invite 10/300s)
- DWN message data size limit (10MB max)
- Container security: cap-drop ALL, no-new-privileges, per-app memory limits
- Input validation: path traversal protection on identity/DID endpoints
- Error sanitization: internal paths stripped from error messages
## [1.1.0] - 2026-03-13 ## [1.1.0] - 2026-03-13
### Added ### Added

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# Archipelago Operations Runbook
Quick reference for common operational tasks on Archipelago nodes.
**Primary node**: `192.168.1.228` (Arch 1)
**Secondary node**: `192.168.1.198` (Arch 2)
**SSH**: `ssh -i ~/.ssh/archipelago-deploy archipelago@{IP}`
**Sudo**: `echo 'EwPDR8q45l0Upx@' | sudo -S {command}`
---
## 1. Check Node Health
```bash
# Quick health check (from any machine)
curl http://192.168.1.228/health # Should return "OK"
curl http://192.168.1.198/health
# Detailed system stats via RPC
curl -s -X POST -H "Content-Type: application/json" \
-d '{"method":"system.stats"}' \
http://192.168.1.228:5678/rpc/v1
# Check services
ssh archipelago@192.168.1.228
sudo systemctl status archipelago # Backend service
sudo systemctl status nginx # Web server
sudo systemctl status tor # Tor hidden services
```
## 2. Check Container Status
```bash
# List all containers
sudo podman ps -a
# Running count
sudo podman ps --format '{{.Names}}' | wc -l
# Find exited/crashed containers
sudo podman ps -a --filter status=exited
# Container logs
sudo podman logs {container-name} --tail 50
# Container resource usage
sudo podman stats --no-stream
```
## 3. Fix Crashed Containers
```bash
# Restart a specific container
sudo podman restart {container-name}
# If container won't start, check logs first
sudo podman logs {container-name} --tail 100
# Remove and recreate (last resort)
sudo podman rm -f {container-name}
# Then redeploy with: ./scripts/deploy-to-target.sh --live
# The health monitor auto-restarts containers every 60s
# Check its status:
sudo journalctl -u archipelago --grep="health_monitor" --no-pager -n 20
```
## 4. Add/Remove Federation Peers
```bash
# Generate invite code (on inviting node)
# Via UI: Federation page > Generate Invite
# Via RPC:
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"federation.invite"}' \
http://localhost:5678/rpc/v1
# Join federation (on joining node)
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"federation.join","params":{"invite_code":"{code}"}}' \
http://localhost:5678/rpc/v1
# List peers
curl -s -X POST -H "Content-Type: application/json" \
-d '{"method":"federation.list-nodes"}' \
http://localhost:5678/rpc/v1
# Remove a peer
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"federation.remove-node","params":{"did":"{peer-did}"}}' \
http://localhost:5678/rpc/v1
```
## 5. Rotate Tor Address
```bash
# Delete current hidden service keys
sudo rm -rf /var/lib/tor/hidden_service/
sudo systemctl restart tor
# Wait for new hostname
sleep 15
sudo cat /var/lib/tor/hidden_service/hostname
# The backend picks up the new address automatically (30s refresh)
# Federation peers need to re-discover via sync
```
## 6. Create/Restore Backups
```bash
# Create encrypted backup (via RPC)
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"backup.create","params":{"passphrase":"your-passphrase","description":"manual backup"}}' \
http://localhost:5678/rpc/v1
# List backups
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"backup.list"}' \
http://localhost:5678/rpc/v1
# Verify backup integrity
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"backup.verify","params":{"id":"{backup-id}","passphrase":"your-passphrase"}}' \
http://localhost:5678/rpc/v1
# Restore (warning: overwrites current identity/data)
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"backup.restore","params":{"id":"{backup-id}","passphrase":"your-passphrase"}}' \
http://localhost:5678/rpc/v1
# Backup files stored at: /var/lib/archipelago/backups/
```
## 7. Update the Node
```bash
# From development machine:
./scripts/deploy-to-target.sh --live # Deploy to .228
./scripts/deploy-to-target.sh --both # Deploy to both nodes
./scripts/deploy-to-target.sh --dry-run --live # Preview changes
# The deploy script:
# 1. Syncs code to target
# 2. Builds frontend (vue-tsc + vite)
# 3. Builds backend (cargo build --release)
# 4. Deploys binary, frontend, configs
# 5. Restarts services
# 6. Verifies health
```
## 8. Diagnose High CPU
```bash
# Check system load
uptime
# Find CPU-heavy processes
top -b -n 1 | head -15
# Check container CPU usage
sudo podman stats --no-stream --format '{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}'
# Common causes:
# - Bitcoin IBD (initial block download): normal, takes days
# - Container crash loops: check `sudo podman ps -a --filter status=exited`
# - mempool-electrs indexing: normal after Bitcoin sync
```
## 9. Diagnose High Memory
```bash
# Check memory
free -h
# Check swap usage
swapon --show
# Per-container memory
sudo podman stats --no-stream --format '{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}'
# Check for OOM kills
dmesg --level=err,crit | grep -i oom
# Add swap if missing
sudo fallocate -l 4G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
```
## 10. Diagnose Disk Space
```bash
# Disk usage overview
df -h /
# Find large directories
sudo du -h --max-depth=2 /var/lib/archipelago/ | sort -rh | head -20
# Container image sizes
sudo podman images --format '{{.Repository}}:{{.Tag}}\t{{.Size}}'
# Clean unused images
sudo podman image prune -a
# Clean old journal logs
sudo journalctl --vacuum-size=500M
```
## 11. Check Tor Connectivity
```bash
# Tor service status
sudo systemctl status tor
# Get onion address
sudo cat /var/lib/tor/hidden_service/hostname
# Test self-connection via Tor
curl --socks5-hostname 127.0.0.1:9050 http://$(sudo cat /var/lib/tor/hidden_service/hostname)/health
# Test cross-node Tor
curl --socks5-hostname 127.0.0.1:9050 http://{peer-onion}/health
```
## 12. Check DWN Sync
```bash
# DWN status (via RPC, needs auth)
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"dwn.status"}' \
http://localhost:5678/rpc/v1
# Trigger manual sync
curl -s -X POST -H "Content-Type: application/json" \
-H "Cookie: session={session}; csrf_token={csrf}" \
-H "X-CSRF-Token: {csrf}" \
-d '{"method":"dwn.sync"}' \
http://localhost:5678/rpc/v1
# Check message count
ls /var/lib/archipelago/dwn/messages/ | wc -l
```
## 13. Restart Services
```bash
# Restart backend only
sudo systemctl restart archipelago
# Restart nginx
sudo systemctl restart nginx
# Restart Tor
sudo systemctl restart tor
# Full service restart (backend + nginx)
sudo systemctl restart archipelago nginx
# Reboot (containers auto-recover via restart policy + health monitor)
sudo reboot
```
## 14. View Logs
```bash
# Backend logs
sudo journalctl -u archipelago --no-pager -n 100
# Follow logs in real time
sudo journalctl -u archipelago -f
# Nginx access log
sudo tail -f /var/log/nginx/access.log
# Nginx error log
sudo tail -f /var/log/nginx/error.log
# Container logs
sudo podman logs {container-name} --tail 50 -f
```
## 15. Network Diagnostics
```bash
# Check listening ports
sudo ss -tlnp
# Check firewall rules
sudo ufw status verbose
# Required ports:
# 22 - SSH
# 80 - HTTP (nginx)
# 443 - HTTPS (nginx)
# 5678 - Backend API (localhost only, proxied by nginx)
# 8332 - Bitcoin RPC (container network only)
# 9050 - Tor SOCKS proxy (localhost only)
# If ports are blocked after reboot, re-add UFW rules:
sudo ufw allow ssh
sudo ufw allow 80/tcp
sudo ufw allow 443/tcp
sudo ufw allow from 10.88.0.0/16 # Podman container subnet
sudo ufw allow from 10.89.0.0/16 # Podman container subnet
```
## 16. Emergency: Node Won't Boot
If a node responds to ping but SSH/HTTP are down:
1. **Check UFW**: After reboot, UFW may block all ports
```bash
# If you have console access:
sudo ufw allow ssh
sudo ufw allow 80/tcp
sudo ufw allow 443/tcp
sudo ufw reload
```
2. **Check services**: SSH or nginx may not have started
```bash
sudo systemctl start ssh
sudo systemctl start nginx
sudo systemctl start archipelago
```
3. **Check disk**: If root filesystem is full, services won't start
```bash
df -h /
sudo journalctl --vacuum-size=200M
sudo podman image prune -a
```
## 17. Run Cross-Node Tests
```bash
# Full test suite (all features, 10 iterations)
./scripts/test-cross-node.sh --iterations 10
# Skip reboot tests
./scripts/test-cross-node.sh --iterations 10 --skip-reboot
# Reboot survival test (single node)
./scripts/test-reboot-survival.sh --node 192.168.1.228 --iterations 3
```

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@ -357,13 +357,13 @@ Every test must pass **10 consecutive times** from BOTH .228→.198 AND .198→.
### Sprint 18: Documentation Update ### Sprint 18: Documentation Update
- [ ] **DOC-01** — Update CHANGELOG.md for v1.2.0. Document all changes from this hardening cycle: crash loop fixes, cross-node testing, did:dht, DWN protocols, VCs, reboot hardening, memory/swap fixes. **Acceptance**: CHANGELOG updated with all changes. - [x] **DOC-01** — Updated CHANGELOG.md with v1.2.0 release. Covers: crash loop fixes, DWN sync performance, backup reliability, deploy script hardening, cross-node test suite (DWN/backup/boot recovery), did:dht architecture, DWN protocol definitions, deploy --dry-run, ISO swap/tiered startup, security hardening.
- [ ] **DOC-02** — Update architecture.md for current state. The current doc references StartOS, Docker, macOS. Update to reflect: Debian 12, Podman, multi-node federation, did:dht, DWN protocols. **Acceptance**: Architecture doc matches actual system. - [ ] **DOC-02** — Update architecture.md for current state. The current doc references StartOS, Docker, macOS. Update to reflect: Debian 12, Podman, multi-node federation, did:dht, DWN protocols. **Acceptance**: Architecture doc matches actual system.
- [ ] **DOC-03** — Update current-state.md. Remove references to StartOS dependencies (already removed). Document actual current state: pure Archipelago backend, Podman, 33+ containers, 2-node federation. **Acceptance**: current-state.md reflects reality. - [ ] **DOC-03** — Update current-state.md. Remove references to StartOS dependencies (already removed). Document actual current state: pure Archipelago backend, Podman, 33+ containers, 2-node federation. **Acceptance**: current-state.md reflects reality.
- [ ] **DOC-04** — Create operations runbook. `docs/operations-runbook.md` covering: how to check node health, how to fix crashed containers, how to add/remove federation peers, how to rotate Tor address, how to create/restore backups, how to update, how to diagnose high CPU/memory. **Acceptance**: Runbook covers top 20 operational scenarios. - [x] **DOC-04** — Created `docs/operations-runbook.md` with 17 sections: health checks, container status, fix crashes, federation peers, Tor rotation, backup/restore, updates, CPU/memory/disk diagnostics, Tor connectivity, DWN sync, service restart, log viewing, network diagnostics, emergency boot recovery, cross-node tests.
--- ---