137 lines
7.5 KiB
Markdown
137 lines
7.5 KiB
Markdown
# BACKLOG
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> All current work is planned in [TODO](./TODO.md) (2026-08-13). This file lists backlog items; new unplanned work is added here.
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## Setup phases remaining
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### Phase 5: complete manual Cloudflare and external-service setup
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- [ ] Apply Cloudflare Workers, Tiered Cache, WAF, rate limiting, and HTTPS/HSTS settings in the dashboard
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- [ ] Cloudflare Workers: link custom domain and cut over frontend hosting
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- [ ] Enable Smart Tiered Cache; validate `Cf-Cache-Status: HIT` from upper tier
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- [ ] WAF: enable OWASP Managed Ruleset (Simulate → review 48h → Block), enable Bot Fight Mode
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- [ ] Rate limiting: `/api/admin/login` + `/api/admin/*` → 10 req/10s per IP, Challenge action
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- [ ] HTTPS/WSS: Always Use HTTPS, HSTS max-age=31536000 includeSubDomains preload, min TLS 1.2; enforce at edge and origin
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- [ ] UptimeRobot: add HTTP monitor for `https://linearvoid.tv/health` (5min interval)
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- [ ] UptimeRobot: add keyword monitor for `https://linearvoid.tv/hls/playlist.m3u8` (keyword `#EXTM3U`, 5min)
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- [ ] UptimeRobot: alert on 2 consecutive failures via email + Discord/Slack webhook
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- [ ] Capture evidence in `docs/operations/cloudflare-uptimerobot-checklist.md`
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### Phase 6: rehearse production deployment end to end
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- [ ] Provision Hetzner CX22 (2 vCPU, 4 GB, 40 GB) in Ashburn VA, Ubuntu 24.04
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- [ ] Install Docker Engine + Compose plugin; open firewall: 80/443 public, 2375 runner-only
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- [ ] Configure Docker daemon for remote TLS access (`-H tcp://0.0.0.0:2376` with certs)
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- [ ] Create `/srv/linearvoid/data/{playlist,media,hls,chat,slate}` directories
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- [ ] Add `CI_PROD_*` secrets to Gitea (DOCKER_HOST, R2 keys, admin password, DB password, Grafana password)
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- [ ] Trigger CD workflow with `DOCKER_HOST` pointing to Hetzner IP
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- [ ] Verify all 11 containers healthy: `/health`, `/hls/playlist.m3u8`, WebSocket
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- [ ] Update Cloudflare A record `linearvoid.tv` → Hetzner IP, SSL Full (strict); test HTTPS + WSS
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- [ ] Smoke test: viewer SPA loads, HLS plays, chat connects, admin login → upload → playlist → playout
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- [ ] Set up Prometheus alerting notifications + UptimeRobot on production URL
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- [ ] Run `scripts/backup-db.sh` + `scripts/verify-backups.sh` on production host
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- [ ] Document production IP, SSH access, rollback procedure, scaling thresholds
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### Phase 7: baseline scaling and performance
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- [ ] Execute WebSocket load tests — ramp 10→100→500→1000 connections; measure p95 latency + errors
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- [ ] Execute admin API benchmarks — `wrk`/`k6` against `/api/admin/*`; target p95 <1s
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- [ ] Measure manifest TTFB and cache-hit distribution from multiple US regions (WebPageTest 3+ regions, <4s warm cache)
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- [ ] Tune manifest TTL to 0.5× segment duration; validate `Cf-Cache-Status` distribution
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- [ ] Track cache-hit ratio and R2 ops in production (Cloudflare GraphQL → Grafana panel, alert <90%)
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- [ ] Capacity triggers: Prometheus rules for cache-miss >10%/15min, CPU >80%/10min
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- [ ] Plan Phase 2 service separation (playout CPU, chat latency, DB state, monitoring)
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- [ ] Plan Phase 3 multi-origin resilience (second Hetzner location, warm standby, DNS failover, DB/Redis replication)
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### Phase 8: close out remaining test and validation gaps
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- [ ] Admin frontend: user moderation tools tests (mute/ban/report, view moderation logs)
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- [ ] Frontend: coverage for all critical user + admin components and interactions
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- [ ] Frontend: document test cases and expected outcomes
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- [ ] Backend R2: test retrieval of segments/manifests via Cloudflare edge
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- [ ] Backend R2: validate edge cache hit/miss behavior with repeat requests (`scripts/validate-edge-cache.sh`)
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### Playout
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- [ ] Configure an R2 lifecycle rule on the `hls/` prefix as defense-in-depth (manual)
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- [ ] Full-loop E2E (2-file playlist, assert `Looping...` with no `CRASHED` across the boundary) — manual via `scripts/test-playout-e2e.sh`
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## Cloudflare Configuration
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### DNS & Workers
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- [ ] Cloudflare Workers: link custom domain (manual)
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- [ ] Create Cloudflare Worker and cut over frontend hosting (manual)
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### Security & TLS
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- [ ] Enable Tiered Cache, WAF, rate limiting (manual)
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- [ ] Tiered Cache: enable Smart Tiered Cache, validate `Cf-Cache-Status: HIT` from upper tier
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- [ ] WAF: enable OWASP Managed Ruleset, set to Simulate → review 48h → Block, enable Bot Fight Mode
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- [ ] Rate limiting: `/api/admin/login` + `/api/admin/*` → 10 req/10s per IP, Challenge action
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- [ ] HTTPS/WSS: Always Use HTTPS, HSTS max-age=31536000 includeSubDomains preload, min TLS 1.2
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- [ ] HTTPS/WSS: enforce at edge (Cloudflare) and origin (nginx), redirect HTTP → HTTPS
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## Monitoring & Observability
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### External Monitoring
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- [ ] Set up UptimeRobot external monitoring
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- [ ] UptimeRobot: add HTTP monitor for `https://linearvoid.tv/health` (5min interval)
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- [ ] UptimeRobot: add keyword monitor for `https://linearvoid.tv/hls/playlist.m3u8` (keyword: `#EXTM3U`, 5min)
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- [ ] Alert on 2 consecutive failures, notify via email + Discord/Slack webhook
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## External Services
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> Evidence tracker: `docs/operations/cloudflare-uptimerobot-checklist.md`
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- [ ] UptimeRobot: add HTTP monitor for `https://linearvoid.tv/health` (5min interval)
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- [ ] UptimeRobot: add keyword monitor for `https://linearvoid.tv/hls/playlist.m3u8` (keyword: `#EXTM3U`, 5min)
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- [ ] Alert on 2 consecutive failures, notify via email + Discord/Slack webhook
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## Production Deployment
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### Host Provisioning (Hetzner — not provisioned)
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- [ ] Provision Hetzner CX22 (2 vCPU, 4 GB, 40 GB) in Ashburn VA, Ubuntu 24.04
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- [ ] Install Docker Engine + Compose plugin, open firewall: 80/443 (public), 2375 (runner IP only)
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- [ ] Configure Docker daemon for remote TLS access (`-H tcp://0.0.0.0:2376` with certs)
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- [ ] Create `/srv/linearvoid/data/{playlist,media,hls,chat,slate}` directories
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### CI/CD & Secrets
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- [ ] Add `CI_PROD_*` secrets to Gitea: DOCKER_HOST, R2 keys, admin password, DB password, Grafana password
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- [ ] Trigger CD workflow with `DOCKER_HOST` pointing to Hetzner IP
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### Smoke Test & Cutover
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- [ ] Verify all 11 containers start healthy, check `/health`, `/hls/playlist.m3u8`, WebSocket
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- [ ] Update Cloudflare A record `linearvoid.tv` → Hetzner IP, SSL Full (strict), test HTTPS + WSS
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- [ ] Smoke test: viewer SPA loads, HLS plays, chat connects, admin login → upload → playlist → playout
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### Production Operations
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- [ ] Set up Prometheus alerting notifications + UptimeRobot on production URL
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- [ ] Run `scripts/backup-db.sh` + `scripts/verify-backups.sh` on production host
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- [ ] Document production IP, SSH access, rollback procedure, scaling thresholds
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## Scaling & Performance
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### Load Testing
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- [ ] Execute WebSocket load tests with real infrastructure — ramp 10→100→500→1000 connections, measure p95 latency + errors
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- [ ] Execute admin API benchmarks with real infrastructure — `wrk`/`k6` against `/api/admin/*`, target p95 <1s
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### Cache & TTFB Optimization
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- [ ] Optimize segment immutability and manifest TTL for cache efficiency
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- [ ] Tune manifest TTL: measure `Cf-Cache-Status` distribution, adjust to 0.5× segment duration
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- [ ] Measure playback TTFB from multiple US regions — WebPageTest from 3+ regions, target <4s warm cache
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- [ ] Track cache hit ratio and R2 ops in production — Cloudflare GraphQL → Grafana panel, alert <90%
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### Capacity & Future Planning
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- [ ] Capacity triggers: Prometheus rules for cache-miss >10%/15min, CPU >80%/10min
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- [ ] Plan Phase 2 service separation — document boundaries (playout CPU, chat latency, DB state, monitoring), estimate per-service resources
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- [ ] Plan Phase 3 multi-origin resilience — research second Hetzner location, design warm standby + DNS failover + DB/Redis replication
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