94 lines
3.6 KiB
Bash
94 lines
3.6 KiB
Bash
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#!/usr/bin/env bash
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# EG4 LifePower4 → Home Assistant monitoring — reproducible installer.
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#
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# Installs the eg4-battery daemon onto /usr/local/bin (uv handles deps via the
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# script's PEP-723 inline metadata), drops in the udev rule + systemd unit,
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# and seeds the config template. Idempotent: safe to re-run.
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#
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# Assumptions:
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# - Debian-family Linux with systemd
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# - `uv` on $PATH (https://docs.astral.sh/uv/)
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# - User has sudo
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#
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# After install, finish by editing:
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# ~/.config/eg4-battery/eg4-battery.yaml — bus.port, MQTT creds, pack addresses
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# then:
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# ./install.sh --dry-run — end-to-end smoke test (no HW needed)
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# sudo systemctl enable --now eg4-battery.service
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# journalctl -u eg4-battery.service -f
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set -euo pipefail
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BASE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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DRY_RUN=0
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for arg in "$@"; do
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[ "$arg" = "--dry-run" ] && DRY_RUN=1
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done
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msg() { printf '\n\033[1;36m== %s ==\033[0m\n' "$*"; }
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# --- 1. dependency check ---------------------------------------------------
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msg "Checking prerequisites"
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command -v uv >/dev/null || { echo "uv not found — install from https://docs.astral.sh/uv/"; exit 1; }
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# --- 2. entry point --------------------------------------------------------
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msg "Installing /usr/local/bin/eg4-battery"
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sudo install -m 755 "${BASE}/bin/eg4-battery" /usr/local/bin/eg4-battery
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# --- 3. udev rule ----------------------------------------------------------
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msg "Installing udev rule (FTDI/CH340/CP210x → dialout)"
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sudo install -m 644 "${BASE}/etc/udev/rules.d/99-eg4-rs485.rules" /etc/udev/rules.d/99-eg4-rs485.rules
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sudo udevadm control --reload-rules
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sudo udevadm trigger --subsystem-match=tty
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# --- 4. systemd unit -------------------------------------------------------
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msg "Installing systemd unit"
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sudo install -m 644 "${BASE}/etc/systemd/system/eg4-battery.service" /etc/systemd/system/eg4-battery.service
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sudo systemctl daemon-reload
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# --- 5. user config (only if not already present) --------------------------
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msg "Installing config template"
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mkdir -p "${HOME}/.config/eg4-battery"
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dest="${HOME}/.config/eg4-battery/eg4-battery.yaml"
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if [ -e "$dest" ]; then
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echo " $dest already exists — not overwriting"
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else
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install -m 600 "${BASE}/config/eg4-battery.yaml.example" "$dest"
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echo " wrote $dest (mode 600) — edit bus.port, MQTT creds, pack addresses"
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fi
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# --- 6. smoke test ---------------------------------------------------------
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if [ "$DRY_RUN" = "1" ]; then
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msg "Dry-run: running one mock-bus cycle (no MQTT publish)"
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/usr/local/bin/eg4-battery -C "$dest" --dry-run
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echo
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echo "(above output is what would be published to MQTT under real run)"
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fi
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# --- 7. enable -------------------------------------------------------------
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if grep -q '<MQTT_PASSWORD>' "$dest" 2>/dev/null; then
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cat <<EOF
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Credentials in $dest still contain a placeholder.
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Edit the file, verify with: eg4-battery -C $dest --dry-run
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Then enable the daemon:
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sudo systemctl enable --now eg4-battery.service
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journalctl -u eg4-battery.service -f
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EOF
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else
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msg "Enabling eg4-battery.service"
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sudo systemctl enable --now eg4-battery.service
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sleep 3
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systemctl --no-pager status eg4-battery.service | head -15
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fi
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msg "Done"
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echo "Next steps:"
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echo " - While batteries are still in the mail: ./install.sh --dry-run"
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echo " - Once one pack is wired: edit ~/.config/eg4-battery/eg4-battery.yaml,"
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echo " set bus.transport: serial + address: 1 only,"
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echo " validate per ../NOTES.md"
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echo " - Full three-pack bring-up: uncomment addresses 2 and 3"
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