145 lines
4.2 KiB
Markdown
145 lines
4.2 KiB
Markdown
# LXC installation and update
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This document describes the supported Debian/Ubuntu systemd deployment used for LXC testing.
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## First installation
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Unpack the source archive inside the container and run:
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```bash
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cd gree-controller
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chmod +x scripts/*.sh
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sudo ./scripts/install.sh
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```
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The installer:
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1. installs required build packages when missing,
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2. installs stable Rust with rustup when Cargo is unavailable,
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3. runs `cargo test --all-targets`,
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4. builds `target/release/gree-controller`,
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5. creates the `gree-controller` system user/group,
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6. creates `/var/lib/gree-controller`, `/opt/gree-controller` and `/var/backups/gree-controller`,
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7. installs the systemd unit,
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8. creates `/etc/gree-controller.env` only when it does not already exist,
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9. enables/restarts the service,
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10. verifies `GET /api/health`.
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Installed state is intentionally outside the extracted source directory:
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```text
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/opt/gree-controller/gree-controller installed binary
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/etc/gree-controller.env persistent configuration/secrets
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/var/lib/gree-controller/gree-controller.db persistent SQLite database
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/var/backups/gree-controller/ update backups
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/etc/systemd/system/gree-controller.service systemd service
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```
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The default installation starts in simulator mode. Change `GREE_CONTROLLER_SIMULATE=false` and `GREE_CONTROLLER_AUTO_SEED=false` in `/etc/gree-controller.env` when moving to physical units, then restart the service.
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## Update
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Unpack a newer source archive and run from that new directory:
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```bash
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sudo ./scripts/update.sh
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```
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The update workflow is designed to minimize downtime and preserve the database:
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1. build dependencies/Rust are checked,
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2. tests run while the currently installed controller stays online,
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3. the new release binary is built while the old service stays online,
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4. the service is stopped,
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5. the installed binary, service unit, environment file and SQLite database are copied to `/var/backups/gree-controller/<UTC timestamp>/`,
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6. the new binary/unit is installed,
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7. systemd starts the new version,
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8. `/api/health` is checked,
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9. on failure the old binary, unit and database are restored automatically.
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The updater does not overwrite `/etc/gree-controller.env` during a successful update.
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Use `--skip-tests` only for deliberate fast testing:
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```bash
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sudo ./scripts/update.sh --skip-tests
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```
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## Service helper
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```bash
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./scripts/service.sh status
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./scripts/service.sh health
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./scripts/service.sh logs
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sudo ./scripts/service.sh restart
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sudo ./scripts/service.sh stop
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sudo ./scripts/service.sh start
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```
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Equivalent native commands remain available:
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```bash
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systemctl status gree-controller
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journalctl -u gree-controller -f
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```
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## Configuration
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Edit:
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```text
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/etc/gree-controller.env
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```
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and restart:
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```bash
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sudo ./scripts/service.sh restart
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```
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Do not store controller or Home Assistant secrets in the source tree.
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## Database and SQL layout
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Runtime persistence uses SQLite. All schema definitions and SQL statements in the Rust application are centralized in:
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```text
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src/queries.rs
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```
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`src/db.rs` contains connection/transaction logic and maps database rows to Rust domain models, but it does not embed SQL statements.
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## Two network interfaces
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When the LXC has a management interface and a dedicated GREE network, configure the service environment explicitly. Example for `eth1` on `10.87.65.0/25`:
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```env
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GREE_CONTROLLER_GREE_INTERFACE=eth1
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GREE_CONTROLLER_DISCOVERY_BROADCAST=auto
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GREE_CONTROLLER_SIMULATE=false
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GREE_CONTROLLER_AUTO_SEED=false
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```
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Restart the service after editing `/etc/gree-controller.env`:
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```bash
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systemctl restart gree-controller
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journalctl -u gree-controller -n 100 --no-pager
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```
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During discovery the log should contain a line similar to:
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```text
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Starting GREE discovery target=10.87.65.127:7000 local=10.87.65.27:<ephemeral> interface=eth1
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```
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Use `scripts/network-debug.sh` for routing diagnostics.
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## Mixed GREE model generations
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Version 0.3.5 can discover both AES-ECB and AES-GCM modules. In the Web UI choose **Discover -> Auto (V1 + V2)** and use 3-5 scan passes. If a family is still missing, repeat with V1-only and V2-only to see which protocol its Wi-Fi module answers with.
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A single command/status timeout no longer immediately flips a device offline; offline requires three consecutive communication failures.
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