From ffd163504532d08769c3357f85e33e2e62d83a6e Mon Sep 17 00:00:00 2001 From: Yoshihiro OKUMURA Date: Tue, 24 Mar 2026 19:59:02 +0900 Subject: [PATCH] first commit --- .cspell.json | 27 + .gitignore | 6 + .prettierrc.json | 8 + .vscode/extensions.json | 7 + .vscode/settings.json | 18 + AGENTS.md | 66 + Cargo.lock | 1984 +++++++++++++++++++++++++++++ Cargo.toml | 12 + LICENSE | 21 + README.md | 153 +++ crates/core/Cargo.toml | 11 + crates/core/src/config.rs | 196 +++ crates/core/src/digitemp.rs | 74 ++ crates/core/src/lib.rs | 5 + crates/core/src/mail.rs | 89 ++ crates/core/src/rrd.rs | 279 ++++ crates/core/src/template.rs | 42 + db/.gitkeep | 0 etc/crontab.sample | 9 + etc/digitemp-rrdgraph.sample.json | 25 + etc/digitemp.sample.conf | 9 + html/css/default.css | 27 + html/css/logo.png | Bin 0 -> 3144 bytes html/images/.gitkeep | 0 src/commands.rs | 3 + src/commands/check_alert.rs | 52 + src/commands/send_info.rs | 44 + src/commands/update.rs | 52 + src/main.rs | 174 +++ templates/index.tera | 72 ++ templates/mail_alert.tera | 14 + templates/mail_info.tera | 9 + templates/mail_sensor.inc.tera | 6 + 33 files changed, 3494 insertions(+) create mode 100644 .cspell.json create mode 100644 .gitignore create mode 100644 .prettierrc.json create mode 100644 .vscode/extensions.json create mode 100644 .vscode/settings.json create mode 100644 AGENTS.md create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 LICENSE create mode 100644 README.md create mode 100644 crates/core/Cargo.toml create mode 100644 crates/core/src/config.rs create mode 100644 crates/core/src/digitemp.rs create mode 100644 crates/core/src/lib.rs create mode 100644 crates/core/src/mail.rs create mode 100644 crates/core/src/rrd.rs create mode 100644 crates/core/src/template.rs create mode 100644 db/.gitkeep create mode 100644 etc/crontab.sample create mode 100644 etc/digitemp-rrdgraph.sample.json create mode 100644 etc/digitemp.sample.conf create mode 100644 html/css/default.css create mode 100644 html/css/logo.png create mode 100644 html/images/.gitkeep create mode 100644 src/commands.rs create mode 100644 src/commands/check_alert.rs create mode 100644 src/commands/send_info.rs create mode 100644 src/commands/update.rs create mode 100644 src/main.rs create mode 100644 templates/index.tera create mode 100644 templates/mail_alert.tera create mode 100644 templates/mail_info.tera create mode 100644 templates/mail_sensor.inc.tera diff --git a/.cspell.json b/.cspell.json new file mode 100644 index 0000000..92a1530 --- /dev/null +++ b/.cspell.json @@ -0,0 +1,27 @@ +{ + "version": "0.2", + "language": "en, en-US, en-GB", + "ignorePaths": [], + "dictionaryDefinitions": [], + "dictionaries": [], + "words": [ + "digitemp", + "GPRINT", + "imgformat", + "lettre", + "Neuroinformatics", + "RIKEN", + "rrdgraph", + "rrdtemp", + "rrdtool", + "serde", + "smtps", + "starttls", + "tera" + ], + "ignoreWords": [], + "import": [], + "files": [ + "**/*.{rs,twig,conf,html,md,json}" + ] +} diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3f4bc2d --- /dev/null +++ b/.gitignore @@ -0,0 +1,6 @@ +/target +/etc/digitemp-rrdgraph.json +/etc/digitemp.conf +/html/index.html +/html/images/graph-*.png +/db/*.rrd \ No newline at end of file diff --git a/.prettierrc.json b/.prettierrc.json new file mode 100644 index 0000000..c81dab1 --- /dev/null +++ b/.prettierrc.json @@ -0,0 +1,8 @@ +{ + "$schema": "https://json.schemastore.org/prettierrc", + "semi": true, + "tabWidth": 2, + "singleQuote": true, + "printWidth": 120, + "trailingComma": "es5" +} diff --git a/.vscode/extensions.json b/.vscode/extensions.json new file mode 100644 index 0000000..c96124c --- /dev/null +++ b/.vscode/extensions.json @@ -0,0 +1,7 @@ +{ + "recommendations": [ + "1yib.rust-bundle", + "streetsidesoftware.code-spell-checker", + "esbenp.prettier-vscode" + ] +} \ No newline at end of file diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..d47f8c5 --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,18 @@ +{ + "editor.formatOnSave": true, + "editor.codeActionsOnSave": { + "source.organizeImports": "explicit" + }, + "[json]": { + "editor.defaultFormatter": "esbenp.prettier-vscode" + }, + "[jsonc]": { + "editor.defaultFormatter": "esbenp.prettier-vscode" + }, + // Extensions - Biome + "biome.enabled": false + // Extensions - Code Spell Checker + // - see: .cspell.json + // Extensions - Prettier + // - see: .prettierrc.json +} diff --git a/AGENTS.md b/AGENTS.md new file mode 100644 index 0000000..772ed30 --- /dev/null +++ b/AGENTS.md @@ -0,0 +1,66 @@ +# AGENTS.md + +## Scope + +This file applies to the Rust workspace at `digitemp-rrdgraph/`. + +## Project Summary + +- The binary provides three operational subcommands: `update`, `check-alert`, and `send-info`. +- The repository is a Cargo workspace with a CLI crate at the repository root and an internal library crate at `crates/core/` named `digitemp_rrdgraph_core`. +- The system depends on external commands and resources: `digitemp`, `rrdtool`, SMTP, JSON config files under `etc/`, Tera templates under `templates/`, generated graphs under `html/images/`, and RRD files under `db/`. + +## Source Of Truth + +- Treat this Rust repository as the sole implementation and documentation target. +- Preserve the CLI contract exposed by `src/main.rs`, the command modules under `src/commands/`, and the public interfaces exposed by `crates/core/src/lib.rs` unless the user explicitly requests a behavior change. +- Preserve the configuration schema in `etc/config.sample.json` unless the user explicitly asks for a breaking change. +- Preserve template variable names expected by `templates/*.tera` unless the templates are updated in the same change. + +## Documentation And Language + +- Write repository documentation such as `AGENTS.md`, `README.md`, and other project documents in English by default. +- When adding comments to source code, configuration files, templates, or scripts, write those comments in English. +- Keep user-facing configuration keys, template names, and command names stable unless the task explicitly requires a change. + +## Change Priorities + +- Prefer fixes at the behavior or interface boundary, not cosmetic refactors. +- Keep CLI behavior and config keys stable. +- Keep changes small and local to the affected command or library module. +- Avoid introducing new crates unless the standard library or existing dependencies are clearly insufficient. +- Prefer explicit error propagation with `Result` over `unwrap` or `expect` in runtime paths. + +## Safe Editing Rules + +- Do not edit generated or runtime data under `target/`, `db/`, or `html/images/` unless the task explicitly requires it. +- Do not overwrite `etc/digitemp-rrdgraph.conf` for convenience; use `etc/config.sample.json` as the editable reference. +- Be careful with commands that can talk to real hardware, modify RRD files, or send email. +- When validation would invoke external systems, prefer build-only or isolated checks unless the user explicitly wants end-to-end execution. + +## Validation Expectations + +- After Rust code changes, run `cargo build` in this repository at minimum. Prefer `cargo build --workspace` when changes affect `crates/core/` or workspace wiring. +- If you add or refactor logic that can be unit tested without hardware or SMTP, add focused tests and run them. +- Prefer tests around pure logic such as config parsing, digitemp config parsing, template rendering, and any command-argument construction helpers. +- If a change depends on hardware access or local services, state clearly what could not be verified. + +## Implementation Guidance + +- Keep path handling relative to the repository root unless a config field explicitly stores an absolute path. +- Encapsulate shell command construction so it can be inspected or tested without executing the command. +- Match existing naming and module boundaries under `src/commands/` and `crates/core/src/`. +- Keep CLI-only orchestration in the root crate and reusable logic in `digitemp_rrdgraph_core`. +- Prefer direct, maintainable implementations over compatibility layers or unnecessary abstraction. + 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"digitemp-rrdgraph" +version = "0.1.0" +edition = "2024" + +[workspace] +members = ["crates/core"] + +[dependencies] +serde_json = "1.0" +clap = { version = "4.5", features = ["derive"] } +digitemp_rrdgraph_core = { path = "crates/core" } diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..403a7d7 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2026 Neuroinformatics Unit, RIKEN Center for Brain Science + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..4f402a1 --- /dev/null +++ b/README.md @@ -0,0 +1,153 @@ +# digitemp-rrdgraph-rust + +digitemp-rrdgraph-rust is a command-line application for temperature monitoring with 1-Wire sensors. It collects measurements through `digitemp`, stores them in RRD files, generates graph images, and sends email notifications based on configured schedules and thresholds. + +The repository is organized as a Cargo workspace with two crates: + +- `digitemp-rrdgraph`: the CLI binary crate +- `digitemp_rrdgraph_core`: the internal library crate used by the CLI commands + +## Features + +- Read temperature data from 1-Wire sensors through `digitemp` +- Store time-series data in RRD files +- Generate graph images for hourly, daily, weekly, monthly, and yearly views +- Send periodic information emails and threshold-based alert emails +- Configure runtime behavior through JSON and template files + +## Requirements + +- Rust toolchain compatible with edition 2024 +- [digitemp](https://www.digitemp.com/) +- [RRDTool](https://oss.oetiker.ch/rrdtool/) +- Access to an SMTP server for email delivery + +## Project Layout + +- `Cargo.toml`: workspace root and CLI package definition +- `src/`: CLI entrypoint and command modules +- `crates/core/`: internal library crate shared by the CLI commands +- `crates/core/src/`: shared modules for config loading, DigiTemp access, RRD operations, mail sending, and template rendering +- `etc/`: configuration files and cron examples +- `templates/`: Tera mail templates +- `db/`: RRD database files +- `html/images/`: generated graph images + +## Setup + +1. Build the release binary. + +```sh +cargo build --release +``` + +2. Choose where to place the application configuration file. + +You can always override the default search order with `--config /path/to/digitemp-rrdgraph.json`. + +Recommended locations are checked in this order: + +- `$HOME/.config/digitemp-rrdgraph.json` +- `/etc/digitemp-rrdgraph.json` +- `/etc/digitemp-rrdgraph.json` +- `$PWD/etc/digitemp-rrdgraph.json` + +For an installed layout such as `/opt/digitemp-rrdgraph/bin/digitemp-rrdgraph`, place the file at `/opt/digitemp-rrdgraph/etc/digitemp-rrdgraph.json`. + +For local development from the repository root, create `etc/digitemp-rrdgraph.json`. + +```sh +cp etc/digitemp-rrdgraph.sample.json etc/digitemp-rrdgraph.json +``` + +3. Create a DigiTemp configuration file. + +```sh +digitemp_DS9097U -i -s /dev/ttyUSB0 -c ./etc/digitemp.conf +``` + +4. Edit the selected `digitemp-rrdgraph.json` file for your environment. + +Pass `--verbose` if you want the CLI to print the selected configuration file path to standard error. + +Configure at least these values: + +- `digitemp` and `digitemp_config` +- `database_dir` and `images_dir` +- `templates_dir` +- `room_name` +- SMTP server settings +- mail recipients, subjects, and alert thresholds + +`room_name` is required. It is used in mail templates, graph titles, and the generated top page. +The `update` command also regenerates `html/index.html` from the template so the page title and heading stay aligned with `room_name`. + +SMTP settings support these combinations: + +- `mail_smtp_security`: `smtp`, `starttls`, or `smtps` +- `mail_smtp_auth`: `true` to send SMTP AUTH credentials, `false` for unauthenticated servers +- `mail_smtp_username` and `mail_smtp_password`: required only when `mail_smtp_auth` is `true` + +## Build + +```sh +cargo build --release +``` + +This builds both workspace members, including the internal `digitemp_rrdgraph_core` crate. + +The release binary is written to `target/release/digitemp-rrdgraph`. + +To build only the CLI package explicitly: + +```sh +cargo build --release -p digitemp-rrdgraph +``` + +To run tests across the workspace: + +```sh +cargo test --workspace +``` + +## Commands + +The application provides these subcommands: + +- `update`: read sensors, update RRD files, and regenerate graph images +- `check-alert`: evaluate current data against configured alert thresholds and send an alert email when required +- `send-info`: send a periodic information email + +Examples: + +```sh +./target/release/digitemp-rrdgraph update +./target/release/digitemp-rrdgraph --verbose update +./target/release/digitemp-rrdgraph --config /opt/digitemp-rrdgraph/etc/digitemp-rrdgraph.json update +./target/release/digitemp-rrdgraph check-alert +./target/release/digitemp-rrdgraph send-info +``` + +## Scheduling + +Use cron or another scheduler to run the subcommands at appropriate intervals. + +- Run `update` on the data collection interval you want to keep in RRD. +- Run `send-info` on the reporting interval you want for periodic summaries. +- Run `check-alert` on the alert polling interval you want for threshold checks. + +See `etc/crontab.sample` for a sample schedule. + +## Templates + +Mail templates are stored in `templates/` and rendered with [Tera](https://tera.netlify.app/). + +## Development Notes + +- CLI subcommands live under `src/commands/`. +- Shared application logic lives under `crates/core/src/` and is exposed by the `digitemp_rrdgraph_core` crate. +- The root crate depends on the internal core crate through a local path dependency. + +## License + +MIT diff --git a/crates/core/Cargo.toml b/crates/core/Cargo.toml new file mode 100644 index 0000000..7dec12d --- /dev/null +++ b/crates/core/Cargo.toml @@ -0,0 +1,11 @@ +[package] +name = "digitemp_rrdgraph_core" +version = "0.1.0" +edition = "2024" + +[dependencies] +chrono = "0.4.44" +lettre = { version = "0.11", features = ["smtp-transport", "builder"] } +serde = { version = "1.0", features = ["derive"] } +serde_json = "1.0" +tera = "1.19" diff --git a/crates/core/src/config.rs b/crates/core/src/config.rs new file mode 100644 index 0000000..080d604 --- /dev/null +++ b/crates/core/src/config.rs @@ -0,0 +1,196 @@ +use serde::Deserialize; +use std::fs; +use std::path::Path; + +#[derive(Clone, Debug, Default, Deserialize)] +#[serde(rename_all = "lowercase")] +pub enum MailSmtpSecurity { + Smtp, + #[default] + Starttls, + Smtps, +} + +fn default_mail_smtp_auth() -> bool { + true +} + +#[derive(Debug, Deserialize)] +pub struct Config { + pub url: String, + pub digitemp: String, + pub digitemp_config: String, + pub database_dir: String, + pub images_dir: String, + pub templates_dir: String, + pub room_name: String, + pub mail_alert_upper: f64, + pub mail_alert_lower: f64, + pub mail_from: String, + pub mail_from_name: String, + pub mail_info_to: String, + pub mail_info_subject: String, + pub mail_info_template: String, + pub mail_alert_to: String, + pub mail_alert_subject: String, + pub mail_alert_template: String, + pub mail_smtp_server: String, + pub mail_smtp_port: u16, + #[serde(default)] + pub mail_smtp_security: MailSmtpSecurity, + #[serde(default = "default_mail_smtp_auth")] + pub mail_smtp_auth: bool, + #[serde(default)] + pub mail_smtp_username: String, + #[serde(default)] + pub mail_smtp_password: String, +} + +#[cfg(test)] +mod tests { + use super::{Config, MailSmtpSecurity}; + + #[test] + fn config_defaults_smtp_security_and_auth() { + let json = r#"{ + "url": "https://example.com/temperature/", + "digitemp": "/bin/digitemp_DS9097U", + "digitemp_config": "etc/digitemp.conf", + "database_dir": "db", + "images_dir": "html/images", + "templates_dir": "templates", + "room_name": "S108", + "mail_alert_upper": 30, + "mail_alert_lower": 17, + "mail_from": "from@example.com", + "mail_from_name": "Temperature Monitor", + "mail_info_to": "info@example.com", + "mail_info_subject": "Info", + "mail_info_template": "mail_info.tera", + "mail_alert_to": "alert@example.com", + "mail_alert_subject": "Alert", + "mail_alert_template": "mail_alert.tera", + "mail_smtp_server": "localhost", + "mail_smtp_port": 587, + "mail_smtp_username": "user@example.com", + "mail_smtp_password": "password" + }"#; + + let config: Config = serde_json::from_str(json).unwrap(); + + assert!(matches!(config.mail_smtp_security, MailSmtpSecurity::Starttls)); + assert!(config.mail_smtp_auth); + assert_eq!(config.room_name().unwrap(), "S108"); + } + + #[test] + fn config_accepts_plain_smtp_without_auth() { + let json = r#"{ + "url": "https://example.com/temperature/", + "digitemp": "/bin/digitemp_DS9097U", + "digitemp_config": "etc/digitemp.conf", + "database_dir": "db", + "images_dir": "html/images", + "templates_dir": "templates", + "room_name": "S108", + "mail_alert_upper": 30, + "mail_alert_lower": 17, + "mail_from": "from@example.com", + "mail_from_name": "Temperature Monitor", + "mail_info_to": "info@example.com", + "mail_info_subject": "Info", + "mail_info_template": "mail_info.tera", + "mail_alert_to": "alert@example.com", + "mail_alert_subject": "Alert", + "mail_alert_template": "mail_alert.tera", + "mail_smtp_server": "localhost", + "mail_smtp_port": 25, + "mail_smtp_security": "smtp", + "mail_smtp_auth": false + }"#; + + let config: Config = serde_json::from_str(json).unwrap(); + + assert!(matches!(config.mail_smtp_security, MailSmtpSecurity::Smtp)); + assert!(!config.mail_smtp_auth); + assert!(config.mail_smtp_username.is_empty()); + assert!(config.mail_smtp_password.is_empty()); + assert_eq!(config.room_name().unwrap(), "S108"); + } + + #[test] + fn room_name_rejects_blank_values() { + let json = r#"{ + "url": "https://example.com/temperature/", + "digitemp": "/bin/digitemp_DS9097U", + "digitemp_config": "etc/digitemp.conf", + "database_dir": "db", + "images_dir": "html/images", + "templates_dir": "templates", + "room_name": " ", + "mail_alert_upper": 30, + "mail_alert_lower": 17, + "mail_from": "from@example.com", + "mail_from_name": "C407 温度監視プログラム", + "mail_info_to": "info@example.com", + "mail_info_subject": "C407 温度監視 定期報告", + "mail_info_template": "mail_info.tera", + "mail_alert_to": "alert@example.com", + "mail_alert_subject": "C407 温度監視 警告", + "mail_alert_template": "mail_alert.tera", + "mail_smtp_server": "localhost", + "mail_smtp_port": 25, + "mail_smtp_security": "smtp", + "mail_smtp_auth": false + }"#; + + let config: Config = serde_json::from_str(json).unwrap(); + + assert!(config.room_name().is_err()); + } + + #[test] + fn room_name_is_required() { + let json = r#"{ + "url": "https://example.com/temperature/", + "digitemp": "/bin/digitemp_DS9097U", + "digitemp_config": "etc/digitemp.conf", + "database_dir": "db", + "images_dir": "html/images", + "templates_dir": "templates", + "mail_alert_upper": 30, + "mail_alert_lower": 17, + "mail_from": "from@example.com", + "mail_from_name": "S108 温度監視プログラム", + "mail_info_to": "info@example.com", + "mail_info_subject": "S108 温度監視 定期報告", + "mail_info_template": "mail_info.tera", + "mail_alert_to": "alert@example.com", + "mail_alert_subject": "S108 温度監視 警告", + "mail_alert_template": "mail_alert.tera", + "mail_smtp_server": "localhost", + "mail_smtp_port": 25, + "mail_smtp_security": "smtp", + "mail_smtp_auth": false + }"#; + + assert!(serde_json::from_str::(json).is_err()); + } +} + +impl Config { + pub fn room_name(&self) -> Result<&str, Box> { + let room_name = self.room_name.trim(); + if room_name.is_empty() { + return Err("room_name must not be empty".into()); + } + Ok(room_name) + } + + pub fn from_file>(path: P) -> Result> { + let data = fs::read_to_string(path)?; + let config: Config = serde_json::from_str(&data)?; + config.room_name()?; + Ok(config) + } +} diff --git a/crates/core/src/digitemp.rs b/crates/core/src/digitemp.rs new file mode 100644 index 0000000..04c409d --- /dev/null +++ b/crates/core/src/digitemp.rs @@ -0,0 +1,74 @@ +use std::fs; +use std::io::{self, BufRead}; +use std::path::Path; +use std::process::Command; + +#[derive(Debug)] +pub struct DigiTemp { + pub command_path: String, + pub config_path: String, + pub sensors: Vec, +} + +impl DigiTemp { + pub fn new(command_path: String, config_path: String) -> io::Result { + let sensors = Self::parse_config(&config_path)?; + Ok(DigiTemp { + command_path, + config_path, + sensors, + }) + } + + pub fn get_num_sensors(&self) -> usize { + self.sensors.len() + } + + pub fn get_sensor_id(&self, num: usize) -> Option<&str> { + self.sensors.get(num).map(|s| s.as_str()) + } + + pub fn read_sensor(&self, num: usize) -> io::Result { + let output = Command::new(&self.command_path) + .arg("-c") + .arg(&self.config_path) + .arg("-q") + .arg("-t") + .arg(num.to_string()) + .arg("-o%.2C") + .output()?; + if !output.status.success() { + return Err(io::Error::new( + io::ErrorKind::Other, + "digitemp command failed", + )); + } + let stdout = String::from_utf8_lossy(&output.stdout); + let value = stdout + .trim() + .parse::() + .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?; + Ok(value) + } + + fn parse_config>(path: P) -> io::Result> { + let file = fs::File::open(path)?; + let reader = io::BufReader::new(file); + let mut sensors = Vec::new(); + for line in reader.lines() { + let line = line?; + if line.starts_with("ROM ") { + let parts: Vec<&str> = line.split_whitespace().collect(); + if parts.len() > 2 { + let rom_id = parts[2..] + .iter() + .map(|s| s.trim_start_matches("0x")) + .rev() + .collect::(); + sensors.push(rom_id); + } + } + } + Ok(sensors) + } +} diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs new file mode 100644 index 0000000..220f6f2 --- /dev/null +++ b/crates/core/src/lib.rs @@ -0,0 +1,5 @@ +pub mod config; +pub mod digitemp; +pub mod mail; +pub mod rrd; +pub mod template; diff --git a/crates/core/src/mail.rs b/crates/core/src/mail.rs new file mode 100644 index 0000000..bc6c4f4 --- /dev/null +++ b/crates/core/src/mail.rs @@ -0,0 +1,89 @@ +use lettre::message::{Mailbox, Message, header}; +use lettre::{SmtpTransport, Transport, transport::smtp::authentication::Credentials}; +use std::error::Error; +use std::io::{Error as IoError, ErrorKind}; + +use crate::config::MailSmtpSecurity; + +pub struct MailSender { + pub smtp_server: String, + pub smtp_port: u16, + pub smtp_security: MailSmtpSecurity, + pub smtp_auth: bool, + pub smtp_username: String, + pub smtp_password: String, +} + +impl MailSender { + pub fn new( + smtp_server: String, + smtp_port: u16, + smtp_security: MailSmtpSecurity, + smtp_auth: bool, + smtp_username: String, + smtp_password: String, + ) -> Self { + MailSender { + smtp_server, + smtp_port, + smtp_security, + smtp_auth, + smtp_username, + smtp_password, + } + } + + fn build_mailer(&self) -> Result> { + let builder = match self.smtp_security { + MailSmtpSecurity::Smtp => { + SmtpTransport::builder_dangerous(&self.smtp_server).port(self.smtp_port) + } + MailSmtpSecurity::Starttls => { + SmtpTransport::starttls_relay(&self.smtp_server)?.port(self.smtp_port) + } + MailSmtpSecurity::Smtps => { + SmtpTransport::relay(&self.smtp_server)?.port(self.smtp_port) + } + }; + + let builder = if self.smtp_auth { + if self.smtp_username.is_empty() || self.smtp_password.is_empty() { + return Err(Box::new(IoError::new( + ErrorKind::InvalidInput, + "mail_smtp_username and mail_smtp_password are required when mail_smtp_auth is true", + ))); + } + + builder.credentials(Credentials::new( + self.smtp_username.clone(), + self.smtp_password.clone(), + )) + } else { + builder + }; + + Ok(builder.build()) + } + + pub fn send_mail( + &self, + from_name: &str, + from_email: &str, + to_name: &str, + to_email: &str, + subject: &str, + body: &str, + ) -> Result<(), Box> { + let from = Mailbox::new(Some(from_name.to_string()), from_email.parse()?); + let to = Mailbox::new(Some(to_name.to_string()), to_email.parse()?); + let email = Message::builder() + .from(from) + .to(to) + .subject(subject) + .header(header::ContentType::TEXT_PLAIN) + .body(body.to_string())?; + let mailer = self.build_mailer()?; + mailer.send(&email)?; + Ok(()) + } +} diff --git a/crates/core/src/rrd.rs b/crates/core/src/rrd.rs new file mode 100644 index 0000000..3f84da4 --- /dev/null +++ b/crates/core/src/rrd.rs @@ -0,0 +1,279 @@ +use std::io; +use std::path::{Path, PathBuf}; +use std::process::Command; + +use chrono::{Local, TimeZone}; +use serde::Serialize; + +#[derive(Debug, Clone, Serialize, PartialEq)] +pub struct LastData { + pub id: String, + pub min: f64, + pub max: f64, + pub average: f64, + pub latest: f64, + pub timestamp: u64, + pub date: String, +} + +#[derive(Debug)] +pub struct RrdTemperature { + pub database_dir: PathBuf, + pub sensor_ids: Vec, +} + +impl RrdTemperature { + pub fn new>(database_dir: P) -> Self { + RrdTemperature { + database_dir: database_dir.as_ref().to_path_buf(), + sensor_ids: Vec::new(), + } + } + + fn get_file_path(&self, id: &str) -> PathBuf { + self.database_dir.join(format!("{}.rrd", id)) + } + + pub fn add_sensor(&mut self, id: &str) -> io::Result<()> { + if !self.sensor_ids.contains(&id.to_string()) { + self.sensor_ids.push(id.to_string()); + } + let fpath = self.get_file_path(id); + if !fpath.exists() { + self.create(id)?; + } + Ok(()) + } + + fn create(&self, id: &str) -> io::Result<()> { + let fpath = self.get_file_path(id); + let status = Command::new("rrdtool") + .arg("create") + .arg(fpath.to_str().unwrap()) + .arg("--step") + .arg("60") + .arg(format!("DS:{}:GAUGE:600:0:100", id)) // Mark missing data as NaN after 600 seconds and clamp values to 0-100. + .arg("RRA:LAST:0.5:1:10080") // Store 1-minute samples for 7 days. + .arg("RRA:LAST:0.5:30:1752000") // Store 30-minute samples for 10 years. + .output()?; + if !status.status.success() { + return Err(io::Error::new( + io::ErrorKind::Other, + "rrdtool create failed", + )); + } + Ok(()) + } + + pub fn update(&self, id: &str, time: u64, value: f64) -> io::Result<()> { + let fpath = self.get_file_path(id); + if !fpath.exists() { + self.create(id)?; + } + let status = Command::new("rrdtool") + .arg("update") + .arg(fpath.to_str().unwrap()) + .arg(format!("{}:{}", time, value)) + .output()?; + if !status.status.success() { + return Err(io::Error::new( + io::ErrorKind::Other, + "rrdtool update failed", + )); + } + Ok(()) + } + + /// Outputs a graph image for all sensors, matching the PHP implementation + pub fn output_graph(&self, room_name: &str, typ: &str, num: i32, fpath: &str) -> io::Result<()> { + // Validate period type + let valid_types = ["hour", "day", "week", "month", "year"]; + if !valid_types.contains(&typ) { + return Err(io::Error::new( + io::ErrorKind::InvalidInput, + "Invalid graph type", + )); + } + let start = format!("-{}{}", num, typ); + let colors = [ + "#FF0000", "#00FF00", "#0000FF", "#FFFF00", "#00FFFF", "#FF00FF", "#FF9999", "#99FF99", + "#9999FF", "#FFFF99", "#99FFFF", "#FF99FF", + ]; + // Find max sensor id length for formatting + let id_len = self.sensor_ids.iter().map(|id| id.len()).max().unwrap_or(0); + let mut args = vec![ + String::from("graph"), + fpath.to_string(), + String::from("--imgformat"), + String::from("PNG"), + String::from("--lower-limit"), + String::from("10"), + String::from("--upper-limit"), + String::from("40"), + String::from("--start"), + start, + String::from("--end"), + String::from("now"), + String::from("--width"), + String::from("400"), + String::from("--height"), + String::from("200"), + String::from("--units-exponent"), + String::from("0"), + String::from("--vertical-label"), + String::from("Temperature [°C]"), + String::from("--title"), + format!("{} Temperature - by {}{}(s)\n", room_name, num, typ), + ]; + // DEFs for each sensor + for (key, id) in self.sensor_ids.iter().enumerate() { + let def = format!( + "DEF:B{}={}:{}:LAST", + key, + self.get_file_path(id).to_str().unwrap(), + id + ); + args.push(def); + } + // Header for stats + args.push(format!( + "COMMENT: {} Cur\\: Min\\: Avg\\: Max\\:\\l", + " ".repeat(id_len) + )); + // LINEs and GPRINTs for each sensor + for (key, id) in self.sensor_ids.iter().enumerate() { + let color = colors[key % colors.len()]; + let line = format!( + "LINE2:B{}{}:{}{}", + key, + color, + id, + " ".repeat(id_len - id.len()) + ); + args.push(line); + args.push(format!("GPRINT:B{}:LAST: %-6.2lf", key)); + args.push(format!("GPRINT:B{}:MIN: %-6.2lf", key)); + args.push(format!("GPRINT:B{}:AVERAGE: %-6.2lf", key)); + args.push(format!("GPRINT:B{}:MAX: %-6.2lf\\l", key)); + } + // Last update timestamp + let now = Local::now(); + let last_update = now.format("%Y-%m-%d %H:%M:%S %Z").to_string(); + args.push(format!( + "COMMENT:Last update\\: {}\\r", + last_update.replace(':', "\\:") + )); + // Run rrdtool command + let status = Command::new("rrdtool").args(&args).output()?; + if !status.status.success() { + return Err(io::Error::new(io::ErrorKind::Other, "rrdtool graph failed")); + } + Ok(()) + } + + pub fn read_last_data(&self, id: &str) -> io::Result> { + let fpath = self.get_file_path(id); + let output = Command::new("rrdtool") + .arg("fetch") + .arg(fpath.to_str().unwrap()) + .arg("LAST") + .output()?; + if !output.status.success() { + let stderr = String::from_utf8_lossy(&output.stderr); + return Err(io::Error::other(format!( + "rrdtool fetch failed: {}", + stderr.trim() + ))); + } + + Ok(parse_fetch_output(&String::from_utf8_lossy(&output.stdout), id)) + } +} + +fn parse_fetch_output(output: &str, id: &str) -> Option { + let mut values = Vec::new(); + let mut latest_timestamp = 0; + + for line in output.lines() { + let line = line.trim(); + if line.is_empty() { + continue; + } + + let Some((timestamp, value)) = line.split_once(':') else { + continue; + }; + + let timestamp = match timestamp.trim().parse::() { + Ok(timestamp) => timestamp, + Err(_) => continue, + }; + + let value = value.trim(); + if value.eq_ignore_ascii_case("nan") || value.eq_ignore_ascii_case("-nan") { + continue; + } + + let value = match value.parse::() { + Ok(value) if value != 0.0 => value, + Ok(_) | Err(_) => continue, + }; + + values.push(value); + latest_timestamp = timestamp; + } + + if values.is_empty() { + return None; + } + + let latest = *values.last()?; + let min = values.iter().copied().fold(f64::INFINITY, f64::min); + let max = values.iter().copied().fold(f64::NEG_INFINITY, f64::max); + let average = values.iter().sum::() / values.len() as f64; + + Some(LastData { + id: id.to_string(), + min, + max, + average, + latest, + timestamp: latest_timestamp, + date: format_timestamp(latest_timestamp), + }) +} + +fn format_timestamp(timestamp: u64) -> String { + Local + .timestamp_opt(timestamp as i64, 0) + .single() + .map(|datetime| datetime.format("%Y-%m-%d %H:%M:%S %Z").to_string()) + .unwrap_or_else(|| timestamp.to_string()) +} + +#[cfg(test)] +mod tests { + use super::{format_timestamp, parse_fetch_output}; + + #[test] + fn parse_fetch_output_returns_last_data() { + let output = " 99000800B7732910\n\n1711260000: -nan\n1711260060: 0.0000000000e+00\n1711260120: 2.1500000000e+01\n1711260180: 2.3000000000e+01\n"; + + let data = parse_fetch_output(output, "99000800B7732910").expect("expected data"); + + assert_eq!(data.id, "99000800B7732910"); + assert_eq!(data.min, 21.5); + assert_eq!(data.max, 23.0); + assert_eq!(data.average, 22.25); + assert_eq!(data.latest, 23.0); + assert_eq!(data.timestamp, 1711260180); + assert_eq!(data.date, format_timestamp(1711260180)); + } + + #[test] + fn parse_fetch_output_returns_none_for_empty_series() { + let output = " 99000800B7732910\n\n1711260000: -nan\n1711260060: 0.0000000000e+00\n"; + + assert!(parse_fetch_output(output, "99000800B7732910").is_none()); + } +} \ No newline at end of file diff --git a/crates/core/src/template.rs b/crates/core/src/template.rs new file mode 100644 index 0000000..33d0941 --- /dev/null +++ b/crates/core/src/template.rs @@ -0,0 +1,42 @@ +use std::error::Error; +use std::path::Path; +use tera::{Context, Tera}; + +pub struct TemplateContext { + inner: Context, +} + +impl TemplateContext { + pub fn new() -> Self { + TemplateContext { + inner: Context::new(), + } + } + pub fn insert(&mut self, key: &str, value: &V) { + self.inner.insert(key, value); + } + pub(crate) fn as_inner(&self) -> &Context { + &self.inner + } +} + +pub struct TemplateEngine { + tera: Tera, +} + +impl TemplateEngine { + pub fn new>(template_dir: P) -> Result> { + let pattern = format!("{}/**/*", template_dir.as_ref().display()); + let tera = Tera::new(&pattern)?; + Ok(TemplateEngine { tera }) + } + + pub fn render( + &self, + template: &str, + context: &TemplateContext, + ) -> Result> { + let rendered = self.tera.render(template, context.as_inner())?; + Ok(rendered) + } +} diff --git a/db/.gitkeep b/db/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/etc/crontab.sample b/etc/crontab.sample new file mode 100644 index 0000000..47e32ad --- /dev/null +++ b/etc/crontab.sample @@ -0,0 +1,9 @@ +# +# Server Room Temperature Monitoring System +# +# update minutely temperature sensor data +* * * * * admin /opt/digitemp_rrdgraph/bin/digitemp_rrdgraph update +# send daily temperature informations +1 12 * * * admin php /opt/digitemp_rrdgraph/bin/digitemp_rrdgraph send-info +# check alert thresholds on every 15 minutes +0,15,30,45 * * * * admin /opt/digitemp_rrdgraph/bin/digitemp_rrdgraph check-alert diff --git a/etc/digitemp-rrdgraph.sample.json b/etc/digitemp-rrdgraph.sample.json new file mode 100644 index 0000000..484718c --- /dev/null +++ b/etc/digitemp-rrdgraph.sample.json @@ -0,0 +1,25 @@ +{ + "url": "https://www.ni.riken.jp/temperature/", + "digitemp": "/bin/digitemp_DS9097U", + "digitemp_config": "/opt/digitemp-rrdgraph/etc/digitemp.conf", + "database_dir": "/opt/digitemp-rrdgraph/db", + "images_dir": "/opt/digitemp-rrdgraph/html/images", + "templates_dir": "/opt/digitemp-rrdgraph/templates", + "room_name": "C407", + "mail_alert_upper": 30, + "mail_alert_lower": 17, + "mail_from": "cbs-is@ml.riken.jp", + "mail_from_name": "C407 温度監視プログラム", + "mail_info_to": "niu-log@ml.riken.jp", + "mail_info_subject": "C407 温度監視 定期報告", + "mail_info_template": "mail_info.tera", + "mail_alert_to": "cbs-is@ml.riken.jp", + "mail_alert_subject": "C407 温度監視 警告", + "mail_alert_template": "mail_alert.tera", + "mail_smtp_server": "smtp.example.com", + "mail_smtp_port": 587, + "mail_smtp_security": "starttls", + "mail_smtp_auth": true, + "mail_smtp_username": "user@example.com", + "mail_smtp_password": "password" +} diff --git a/etc/digitemp.sample.conf b/etc/digitemp.sample.conf new file mode 100644 index 0000000..45f5c9b --- /dev/null +++ b/etc/digitemp.sample.conf @@ -0,0 +1,9 @@ +TTY /dev/ttyS1 +READ_TIME 1000 +LOG_TYPE 1 +LOG_FORMAT "%b %d %H:%M:%S Sensor %s C: %.2C F: %.2F" +CNT_FORMAT "%b %d %H:%M:%S Sensor %s #%n %C" +HUM_FORMAT "%b %d %H:%M:%S Sensor %s C: %.2C F: %.2F H: %h%%" +SENSORS 2 +ROM 0 0x10 0xF5 0x89 0xB7 0x00 0x08 0x00 0x3B +ROM 1 0x10 0xA3 0x85 0xB7 0x00 0x08 0x00 0x86 diff --git a/html/css/default.css b/html/css/default.css new file mode 100644 index 0000000..9effc01 --- /dev/null +++ b/html/css/default.css @@ -0,0 +1,27 @@ +body { + margin: 2em 1em 0 3em; + color: black; + background: white; + background-position: top left; + background-attachment: fixed; + background-repeat: no-repeat; + background-image: url(logo.png); + text-align: center; +} + +h1 { text-align: center; } +h2, h3, h4, h5, h6 { text-align: left; } +h1 { color: black; font: 120% sans-serif; font-weight: bold; } +h2 { color: #005A9C; font: 110%; font-weight: medium; } +h3 { color: #001A4C; font: 105% sans-serif; font-weight: medium; } +h4 { color: #007A9C; font: 90% sans-serif; font-weight: medium; } +h5 { color: #005A9C; font: italic 80% sans-serif; } +h6 { font: small-caps 70% sans-serif; } + +img { width: auto; height: auto; max-width: 100%; max-height: 100%; } + +main { display: flex; flex-wrap: wrap; } +main div.graph { margin: 5px auto; } +main div.range-select span { color: blue; text-decoration: underline; cursor: pointer; } + + diff --git a/html/css/logo.png b/html/css/logo.png new file mode 100644 index 0000000000000000000000000000000000000000..49fdb23ba7f3d0b409477de2073920e80d582661 GIT binary patch literal 3144 zcmWNU_aoE|9Du(kdsVVhB=we@kfO{8*<^G?xP*{Z$V$!;ZUi65PmL0S3hJIgS{X8&u==E)j?b)=)1!GV3?W#JqNIO3?mb; 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+pub mod send_info; +pub mod update; \ No newline at end of file diff --git a/src/commands/check_alert.rs b/src/commands/check_alert.rs new file mode 100644 index 0000000..daac589 --- /dev/null +++ b/src/commands/check_alert.rs @@ -0,0 +1,52 @@ +use digitemp_rrdgraph_core::config::Config; +use digitemp_rrdgraph_core::digitemp::DigiTemp; +use digitemp_rrdgraph_core::mail::MailSender; +use digitemp_rrdgraph_core::rrd::RrdTemperature; +use digitemp_rrdgraph_core::template::{TemplateContext, TemplateEngine}; +use serde_json::json; +use std::error::Error; + +pub fn run(config: &Config) -> Result<(), Box> { + let digitemp = DigiTemp::new(config.digitemp.clone(), config.digitemp_config.clone())?; + let mut rrdtemp = RrdTemperature::new(&config.database_dir); + let num = digitemp.get_num_sensors(); + let mut sensors = Vec::new(); + for i in 0..num { + let id = digitemp.get_sensor_id(i).unwrap(); + rrdtemp.add_sensor(id)?; + if let Some(sensor) = rrdtemp.read_last_data(id)? { + sensors.push(sensor); + } + } + let upper = config.mail_alert_upper; + let lower = config.mail_alert_lower; + let do_send = sensors + .iter() + .any(|sensor| sensor.latest < lower || sensor.latest > upper); + if do_send { + let from = &config.mail_from; + let from_name = &config.mail_from_name; + let to = &config.mail_alert_to; + let subject = &config.mail_alert_subject; + let room_name = config.room_name()?; + let engine = TemplateEngine::new(&config.templates_dir)?; + let mut ctx = TemplateContext::new(); + ctx.insert("range", &json!({"upper": upper, "lower": lower})); + ctx.insert("sensors", &sensors); + ctx.insert("from", &json!({"name": from_name, "email": from})); + ctx.insert("room_name", &room_name); + ctx.insert("subject", subject); + ctx.insert("url", &config.url); + let body = engine.render(&config.mail_alert_template, &ctx)?; + let mailer = MailSender::new( + config.mail_smtp_server.clone(), + config.mail_smtp_port, + config.mail_smtp_security.clone(), + config.mail_smtp_auth, + config.mail_smtp_username.clone(), + config.mail_smtp_password.clone(), + ); + mailer.send_mail(from_name, from, to, to, subject, &body)?; + } + Ok(()) +} diff --git a/src/commands/send_info.rs b/src/commands/send_info.rs new file mode 100644 index 0000000..05685df --- /dev/null +++ b/src/commands/send_info.rs @@ -0,0 +1,44 @@ +use digitemp_rrdgraph_core::config::Config; +use digitemp_rrdgraph_core::digitemp::DigiTemp; +use digitemp_rrdgraph_core::mail::MailSender; +use digitemp_rrdgraph_core::rrd::RrdTemperature; +use digitemp_rrdgraph_core::template::{TemplateContext, TemplateEngine}; +use serde_json::json; +use std::error::Error; + +pub fn run(config: &Config) -> Result<(), Box> { + let digitemp = DigiTemp::new(config.digitemp.clone(), config.digitemp_config.clone())?; + let mut rrdtemp = RrdTemperature::new(&config.database_dir); + let num = digitemp.get_num_sensors(); + let mut sensors = Vec::new(); + for i in 0..num { + let id = digitemp.get_sensor_id(i).unwrap(); + rrdtemp.add_sensor(id)?; + if let Some(sensor) = rrdtemp.read_last_data(id)? { + sensors.push(sensor); + } + } + let from = &config.mail_from; + let from_name = &config.mail_from_name; + let to = &config.mail_info_to; + let subject = &config.mail_info_subject; + let room_name = config.room_name()?; + let engine = TemplateEngine::new(&config.templates_dir)?; + let mut ctx = TemplateContext::new(); + ctx.insert("from", &json!({"name": from_name, "email": from})); + ctx.insert("room_name", &room_name); + ctx.insert("sensors", &sensors); + ctx.insert("subject", subject); + ctx.insert("url", &config.url); + let body = engine.render(&config.mail_info_template, &ctx)?; + let mailer = MailSender::new( + config.mail_smtp_server.clone(), + config.mail_smtp_port, + config.mail_smtp_security.clone(), + config.mail_smtp_auth, + config.mail_smtp_username.clone(), + config.mail_smtp_password.clone(), + ); + mailer.send_mail(from_name, from, to, to, subject, &body)?; + Ok(()) +} diff --git a/src/commands/update.rs b/src/commands/update.rs new file mode 100644 index 0000000..5f4671a --- /dev/null +++ b/src/commands/update.rs @@ -0,0 +1,52 @@ +use digitemp_rrdgraph_core::config::Config; +use digitemp_rrdgraph_core::digitemp::DigiTemp; +use digitemp_rrdgraph_core::rrd::RrdTemperature; +use digitemp_rrdgraph_core::template::{TemplateContext, TemplateEngine}; +use std::error::Error; +use std::fs; +use std::path::Path; +use std::time::{SystemTime, UNIX_EPOCH}; + +pub fn run(config: &Config) -> Result<(), Box> { + let room_name = config.room_name()?; + let digitemp = DigiTemp::new(config.digitemp.clone(), config.digitemp_config.clone())?; + let mut rrdtemp = RrdTemperature::new(&config.database_dir); + let num = digitemp.get_num_sensors(); + for i in 0..num { + let id = digitemp.get_sensor_id(i).unwrap(); + let value = digitemp.read_sensor(i)?; + rrdtemp.add_sensor(id)?; + let now = SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs(); + rrdtemp.update(id, now, value)?; + } + let types = vec![ + ("hour", vec![1, 3, 6, 12]), + ("day", vec![1, 3]), + ("week", vec![1, 2]), + ("month", vec![1, 3, 6]), + ("year", vec![1, 3, 5, 10]), + ]; + for (typ, nums) in types { + for num in nums { + let num_str = if num == 1 { + "".to_string() + } else { + num.to_string() + }; + let fpath = format!("{}/graph-{}{}.png", config.images_dir, num_str, typ); + rrdtemp.output_graph(room_name, typ, num, &fpath)?; + } + } + + let engine = TemplateEngine::new(&config.templates_dir)?; + let mut ctx = TemplateContext::new(); + ctx.insert("room_name", &room_name); + let html = engine.render("index.tera", &ctx)?; + let index_path = Path::new(&config.images_dir) + .parent() + .unwrap_or_else(|| Path::new("html")) + .join("index.html"); + fs::write(index_path, html)?; + + Ok(()) +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..d6e6143 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,174 @@ +mod commands; + +use clap::{Parser, Subcommand}; +use digitemp_rrdgraph_core::config::Config; +use std::env; +use std::error::Error; +use std::io; +use std::path::{Path, PathBuf}; + +#[derive(Parser)] +#[command(author, version, about)] +struct Cli { + #[arg( + short, + long, + global = true, + help = "Print the selected configuration file path to standard error" + )] + verbose: bool, + + #[arg( + short, + long, + global = true, + value_name = "PATH", + help = "Load configuration from PATH instead of using the default search order" + )] + config: Option, + + #[command(subcommand)] + command: Commands, +} + +#[derive(Subcommand)] +enum Commands { + Update, + CheckAlert, + SendInfo, +} + +const CONFIG_FILE_NAME: &str = "digitemp-rrdgraph.json"; + +fn config_candidates( + home_dir: Option<&Path>, + executable_root_dir: Option<&Path>, + current_dir: &Path, +) -> Vec { + let mut candidates = Vec::with_capacity(4); + + if let Some(home_dir) = home_dir { + candidates.push(home_dir.join(".config").join(CONFIG_FILE_NAME)); + } + + candidates.push(PathBuf::from("/etc").join(CONFIG_FILE_NAME)); + + if let Some(executable_root_dir) = executable_root_dir { + candidates.push(executable_root_dir.join("etc").join(CONFIG_FILE_NAME)); + } + + candidates.push(current_dir.join("etc").join(CONFIG_FILE_NAME)); + + candidates +} + +fn resolve_config_path() -> Result> { + let home_dir = env::var_os("HOME").map(PathBuf::from); + let executable_root_dir = env::current_exe()? + .parent() + .and_then(Path::parent) + .map(Path::to_path_buf); + let current_dir = env::current_dir()?; + let candidates = config_candidates( + home_dir.as_deref(), + executable_root_dir.as_deref(), + ¤t_dir, + ); + + candidates + .iter() + .find(|path| path.is_file()) + .cloned() + .ok_or_else(|| { + let searched = candidates + .iter() + .map(|path| path.display().to_string()) + .collect::>() + .join(", "); + io::Error::new( + io::ErrorKind::NotFound, + format!("configuration file not found; searched: {searched}"), + ) + .into() + }) +} + +fn resolve_config_path_from_cli(config_path: Option) -> Result> { + match config_path { + Some(path) => Ok(path), + None => resolve_config_path(), + } +} + +fn main() -> Result<(), Box> { + let cli = Cli::parse(); + let config_path = resolve_config_path_from_cli(cli.config.clone())?; + if cli.verbose { + eprintln!("Using configuration file: {}", config_path.display()); + } + let config = Config::from_file(&config_path)?; + match cli.command { + Commands::Update => { + commands::update::run(&config)?; + } + Commands::CheckAlert => { + commands::check_alert::run(&config)?; + } + Commands::SendInfo => { + commands::send_info::run(&config)?; + } + } + Ok(()) +} + +#[cfg(test)] +mod tests { + use super::{CONFIG_FILE_NAME, config_candidates, resolve_config_path_from_cli}; + use std::path::{Path, PathBuf}; + + #[test] + fn config_candidates_follow_expected_precedence() { + let candidates = config_candidates( + Some(Path::new("/home/testuser")), + Some(Path::new("/opt/digitemp-rrdgraph")), + Path::new("/work/app"), + ); + + assert_eq!( + candidates, + vec![ + Path::new("/home/testuser") + .join(".config") + .join(CONFIG_FILE_NAME), + Path::new("/etc").join(CONFIG_FILE_NAME), + Path::new("/opt/digitemp-rrdgraph") + .join("etc") + .join(CONFIG_FILE_NAME), + Path::new("/work/app").join("etc").join(CONFIG_FILE_NAME), + ] + ); + } + + #[test] + fn config_candidates_skip_optional_entries_when_paths_are_missing() { + let candidates = config_candidates(None, None, Path::new("/work/app")); + + assert_eq!( + candidates, + vec![ + Path::new("/etc").join(CONFIG_FILE_NAME), + Path::new("/work/app").join("etc").join(CONFIG_FILE_NAME), + ] + ); + } + + #[test] + fn explicit_config_path_takes_precedence_over_search_order() { + let config_path = PathBuf::from("/tmp/custom-config.json"); + + assert_eq!( + resolve_config_path_from_cli(Some(config_path.clone())).unwrap(), + config_path + ); + } +} diff --git a/templates/index.tera b/templates/index.tera new file mode 100644 index 0000000..3292dc2 --- /dev/null +++ b/templates/index.tera @@ -0,0 +1,72 @@ + + + + + Temperature Monitor - {{ room_name }} + + + + + + + + +

Temperature Monitor - {{ room_name }}

+ +
+
+
+ Hour: + 1 ... + 3 ... + 6 ... + 12 +
+
Hourly Graph
+
+
+
+ Day: + 1 ... + 3 +
+
Daily Graph
+
+
+
+ Week: + 1 ... + 2 +
+
Weekly Graph
+
+
+
+ Month: + 1 ... + 3 ... + 6 +
+
Monthly Graph
+
+
+
+ Year: + 1 ... + 3 ... + 5 ... + 10 +
+
Yearly Graph
+
+
+ + + \ No newline at end of file diff --git a/templates/mail_alert.tera b/templates/mail_alert.tera new file mode 100644 index 0000000..1350b3f --- /dev/null +++ b/templates/mail_alert.tera @@ -0,0 +1,14 @@ +{{ subject }} + +警告温度に到達しました。 +許容範囲（{{ range.lower | round(precision=2) }} 〜 {{ range.upper | round(precision=2) }} ℃）外の温度です。 + +{{ room_name }} の環境を確認してください。 + +{% for sensor in sensors -%} +{% include "mail_sensor.inc.tera" %} +{% endfor -%} + +-- +{{ from.name }} <{{ from.email }}> +{{ url }} \ No newline at end of file diff --git a/templates/mail_info.tera b/templates/mail_info.tera new file mode 100644 index 0000000..6fd919d --- /dev/null +++ b/templates/mail_info.tera @@ -0,0 +1,9 @@ +{{ subject }} + +{% for sensor in sensors -%} +{% include "mail_sensor.inc.tera" %} +{% endfor -%} + +-- +{{ from.name }} <{{ from.email }}> +{{ url }} \ No newline at end of file diff --git a/templates/mail_sensor.inc.tera b/templates/mail_sensor.inc.tera new file mode 100644 index 0000000..87d669d --- /dev/null +++ b/templates/mail_sensor.inc.tera @@ -0,0 +1,6 @@ +--- センサー #{{ sensor.id }} --- +最新測定日時：{{ sensor.date }} +最新温度：　　{{ sensor.latest | round(precision=2) }} ℃ +平均／日：　　{{ sensor.average | round(precision=2) }} ℃ +最高値／日：　{{ sensor.max | round(precision=2) }} ℃ +最低値／日：　{{ sensor.min | round(precision=2) }} ℃