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feat(deploy): systemd user unit + install script for membershipd

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Add deploy/unibus-membershipd.service (Restart=always, binds both planes to
0.0.0.0 for LAN reachability), an idempotent deploy/install.sh that builds the
binary, symlinks the unit, and enables+starts it, plus deploy/README.md with
operate/health instructions.

Restart=always is deliberate: a clean SIGTERM exits 0 and Restart=on-failure
would not restart it, leaving the service silently dead (the sqlite_api gotcha).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Egutierrez
2026-06-06 18:05:53 +02:00
parent 01f8988cc3
commit f6b53620e9
3 changed files with 120 additions and 0 deletions
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deploy/install.sh
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#!/usr/bin/env bash
# Build membershipd and install/enable/start it as a systemd user service.
# Idempotent: safe to re-run after a code change to rebuild and restart.
set -euo pipefail
APP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
UNIT="unibus-membershipd.service"
USER_UNIT_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/systemd/user"
cd "$APP_DIR"
echo "==> building membershipd (CGO_ENABLED=0)"
CGO_ENABLED=0 go build -o membershipd ./cmd/membershipd
echo "==> linking unit into $USER_UNIT_DIR"
mkdir -p "$USER_UNIT_DIR"
ln -sf "$APP_DIR/deploy/$UNIT" "$USER_UNIT_DIR/$UNIT"
echo "==> reloading systemd and (re)starting the service"
systemctl --user daemon-reload
systemctl --user enable --now "$UNIT"
# If the service was already running, enable --now does not restart it; do so to
# pick up the freshly built binary.
systemctl --user restart "$UNIT"
echo "==> status"
systemctl --user --no-pager status "$UNIT" || true
echo
echo "Health check:"
echo " curl -fsS http://127.0.0.1:8470/healthz"