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Documents the investigation process, root cause analysis, and key learnings
from debugging the blowfish/fishfinger 404 errors. Includes:
- Architecture overview of relayd + httpd routing
- Template variable scoping and processing
- Common pitfalls with server-specific vs shared configuration
- TLS certificate management in multi-server deployments
- Debugging methodology and verification approaches
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Added blowfish.buetow.org and fishfinger.buetow.org to @acme_hosts array
to ensure proper routing through relayd to localhost instead of falling
through to f3s cluster backends.
Changes:
- Rexfile: Add blowfish.buetow.org and fishfinger.buetow.org to @acme_hosts
- httpd.conf.tpl: Skip current server hostname in @acme_hosts loop to avoid
duplicate server blocks (already handled by dedicated "Current server's FQDN" block)
- relayd.conf.tpl: Skip both server hostnames in TLS keypair loop since each
server only has its own certificate (not the other server's cert)
This ensures relayd routes these hostnames to localhost:8080 where httpd
serves content from /htdocs/buetow.org/self including index.txt health checks.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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- Add http websockets directive to relayd.conf.tpl to allow WebSocket upgrade connections
- Fix "Socket failed to connect" error in audiobookshelf web interface
- Also add immich helm chart configuration
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Deploy ArgoCD v3.2.3 for GitOps continuous delivery in the k3s cluster.
Configuration:
- New cicd namespace for CI/CD tooling
- Non-HA single instance deployment (following cluster patterns)
- Traefik ingress at argocd.f3s.buetow.org
- Prometheus ServiceMonitor integration for metrics
- 10Gi persistent volume for repo-server cache
- Insecure mode with TLS termination at proxy
Components deployed:
- argocd-server (Web UI and API)
- argocd-repo-server (Repository management)
- argocd-application-controller (Application sync)
- argocd-redis (State cache)
- argocd-applicationset-controller (Multi-app management)
Also adds argocd.f3s.buetow.org to frontends Rexfile for relayd proxy
configuration.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Configure OpenBSD relayd and httpd to serve a friendly fallback page
when the f3s Kubernetes cluster is unreachable.
Changes to relayd.conf.tpl:
- Reorder relay forward statements: f3s first, localhost as backup
- Remove protocol-level forward rules for f3s hosts to enable relay-level failover
- Add explicit localhost routing for non-f3s hosts
- Health checks on f3s table trigger automatic failover to localhost
Changes to httpd.conf.tpl:
- Add request rewrite directive to serve fallback page for ALL paths
- Prevents 404 errors for deep links like /login?redirect=/files/
- Ensures consistent fallback experience regardless of requested URL
When all f3s nodes fail health checks, traffic automatically routes to
localhost:8080 serving static fallback content from /var/www/htdocs/f3s_fallback.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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