.woodpecker.yml

@@ -1,18 +1,30 @@
 pipeline:
-  checkmate:
+  fmt:
     group: default
     image: rust_full
     commands:
-      - cargo checkmate
+      - cargo fmt --all -- --check
+
+  clippy:
+    group: default
+    image: rust_full
+    commands:
+      - cargo clippy --all-features
+
+  doc:
+    group: default
+    image: rust_full
+    commands:
+      - cargo doc --all-features
+
+  build:
+    group: default
+    image: rust_full
+    commands:
+      - cargo build --all-features
 
   build_release:
-    group: default
+    group: release
     image: rust_full
     commands:
       - cargo build --all-features --release
-
-  build_deb:
-    group: default
-    image: rust_full
-    commands:
-      - cargo deb

Cargo.lock

@@ -38,91 +38,18 @@ version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08f9b8508dccb7687a1d6c4ce66b2b0ecef467c94667de27d8d7fe1f8d2a9cdc"
 
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-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
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-dependencies = [
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- "libc",
- "winapi",
-]
-
 [[package]]
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- "bitflags",
- "bytes",
- "futures-util",
- "http",
- "http-body",
- "hyper",
- "itoa",
- "matchit",
- "memchr",
- "mime",
- "percent-encoding",
- "pin-project-lite",
- "serde",
- "serde_json",
- "serde_urlencoded",
- "sync_wrapper",
- "tokio",
- "tower",
- "tower-http",
- "tower-layer",
- "tower-service",
-]
-
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-dependencies = [
- "async-trait",
- "bytes",
- "futures-util",
- "http",
- "http-body",
- "mime",
-]
-
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
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-
 [[package]]
 name = "cc"
 version = "1.0.73"
@@ -135,225 +62,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
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-dependencies = [
- "atty",
- "bitflags",
- "clap_derive",
- "clap_lex",
- "indexmap",
- "lazy_static",
- "strsim",
- "termcolor",
- "textwrap",
-]
-
-[[package]]
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-dependencies = [
- "heck",
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "syn",
-]
-
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- "http",
- "http-body",
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- "itoa",
- "pin-project-lite",
- "socket2",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
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- "hashbrown",
-]
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-
-[[package]]
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-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
 [[package]]
 name = "libc"
 version = "0.2.124"
@@ -380,15 +88,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "log"
-version = "0.4.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6389c490849ff5bc16be905ae24bc913a9c8892e19b2341dbc175e14c341c2b8"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "mach"
 version = "0.1.2"
@@ -407,18 +106,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "matches"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
-
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-
 [[package]]
 name = "memchr"
 version = "2.4.1"
@@ -436,44 +123,10 @@ dependencies = [
 
 [[package]]
 name = "mightyohm-gc-exporter"
-version = "0.1.0"
+version = "0.1.0-dev"
 dependencies = [
  "anyhow",
- "axum",
- "clap",
- "env_logger",
- "log",
  "serialport",
- "tokio",
-]
-
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-dependencies = [
- "winapi",
 ]
 
 [[package]]
@@ -489,117 +142,12 @@ dependencies = [
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 ]
 
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@@ -617,41 +165,6 @@ version = "0.6.25"
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@@ -669,196 +182,6 @@ dependencies = [
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 ]
 
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-]
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- "libc",
- "mio",
- "num_cpus",
- "pin-project-lite",
- "socket2",
- "tokio-macros",
- "winapi",
-]
-
-[[package]]
-name = "tokio-macros"
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- "quote",
- "syn",
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- "futures-sink",
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- "futures-util",
- "pin-project",
- "pin-project-lite",
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- "tower-layer",
- "tower-service",
- "tracing",
-]
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- "bytes",
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- "futures-util",
- "http",
- "http-body",
- "http-range-header",
- "pin-project-lite",
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-]
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-name = "tracing"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "cfg-if",
- "log",
- "pin-project-lite",
- "tracing-core",
-]
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-name = "tracing-core"
-version = "0.1.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-]
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-name = "try-lock"
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-
-[[package]]
-name = "unicode-xid"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
-
-[[package]]
-name = "version_check"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
-[[package]]
-name = "want"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
-dependencies = [
- "log",
- "try-lock",
-]
-
-[[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -875,15 +198,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"

Cargo.toml

@@ -1,10 +1,8 @@
 [package]
 name = "mightyohm-gc-exporter"
-version = "0.1.0"
+version = "0.1.0-dev"
-authors = ["finga <finga@onders.org>"]
 edition = "2021"
-description = "Prometheus exporter for the MightyOhm Geiger Counter."
+description = "Prometheus exporter for the MightyOhm Geiger Counter"
-readme = "README.md"
 license = "GPL-3.0-or-later"
 repository = "https://git.onders.org/finga/mightyohm-gc-exporter"
 keywords = ["prometheus", "metrics"]
@@ -13,19 +11,3 @@ categories = ["api-bindings", "command-line-utilities", "visualization"]
 [dependencies]
 anyhow = "1.0"
 serialport = "4.1"
-log = "0.4"
-env_logger = "0.9"
-tokio = { version = "1.17", features = ["rt-multi-thread", "macros"] }
-axum = "0.5"
-clap = { version = "3.1", features = ["derive"] }
-
-[package.metadata.deb]
-extended-description = "Prometheus exporter for the MightyOhm Geiger Counter."
-section = "utility"
-maintainer-scripts = "debian/"
-systemd-units = { enable = true }
-assets = [
-    ["target/release/mightyohm-gc-exporter", "usr/bin/", "755"],
-    ["README.md", "usr/share/doc/mightyohm-gc-exporter/README", "644"],
-    ["debian/default", "etc/default/mightyohm-gc-exporter", "644"],
-]

README.md

@@ -2,53 +2,14 @@
 A Prometheus exporter for the [MightyOhm Geiger Counter](https://mightyohm.com/blog/products/geiger-counter/).
 
 ## Build
-Cargo, the Rust package manager, is used to build this project.
-
 ### Same architecture as system
-Compile it for the same architecture as the build system:
+To compile it for the same architecture as the build system:
 ```sh
 cargo build --release
 ```
 
-### Cross-compile for amd64 (recent RaspberryPi)
+### Cross-compile for aarch64 (recent RaspberryPi)
-Cross-compile it for the amd64 architecture:
+To cross-compile it for RaspberryPi:
 ```sh
 PKG_CONFIG_SYSROOT_DIR=/usr/aarch64-linux-gnu cargo build --target aarch64-unknown-linux-gnu --release
 ```
-
-## Debian
-To build a package for Debian, Raspbian, and so on,
-[`cargo-deb`](https://crates.io/crates/cargo-deb) can be used.
-
-The package comes with an automatically started and enabled systemd
-service unit which can be configured via
-`/etc/default/mightyohm-gc-exporter`.
-
-### Same architecture as system
-Build a `deb` package for the same architecture as the build system:
-```sh
-cargo deb
-```
-
-### Cross-compile for amd64 (recent RaspberryPi)
-Build a `deb` package for the amd64 architecture:
-```sh
-PKG_CONFIG_SYSROOT_DIR=/usr/aarch64-linux-gnu cargo deb --target aarch64-unknown-linux-gnu
-```
-
-## Usage
-```
-USAGE:
-    mightyohm-gc-exporter [OPTIONS]
-
-OPTIONS:
-    -a, --address <ADDRESS>            The IPv4 or IPv6 address where the metrics are served
-                                       [default: 127.0.0.1]
-    -b, --baud-rate <BAUD_RATE>        The baudrate of the serial connection [default: 9600]
-    -h, --help                         Print help information
-    -p, --port <PORT>                  The port where the metrics are served [default: 9111]
-    -s, --serial-port <SERIAL_PORT>    The port of the serial device, usually in '/dev/...'
-                                       [default: /dev/serial0]
-    -t, --timeout <TIMEOUT>            Timeout of the serial connection in ms [default: 1000]
-    -V, --version                      Print version information
-```

debian/default

@@ -1,10 +0,0 @@
-ARGS=""
-
-# mightyohm-gc-exporter supports the following options:
-#  -a, --address <ADDRESS>            The IPv4 or IPv6 address where the metrics are served
-#                                     [default: 127.0.0.1]
-#  -b, --baud-rate <BAUD_RATE>        The baudrate of the serial connection [default: 9600]
-#  -p, --port <PORT>                  The port where the metrics are served [default: 9111]
-#  -s, --serial-port <SERIAL_PORT>    The port of the serial device, usually in '/dev/...'
-#                                     [default: /dev/serial0]
-#  -t, --timeout <TIMEOUT>            Timeout of the serial connection in ms [default: 1000]

debian/service

@@ -1,11 +0,0 @@
-[Unit]
-Description=MightyOhm Geiger Counter exporter
-
-[Service]
-Group=dialout
-Restart=always
-EnvironmentFile=/etc/default/mightyohm-gc-exporter
-ExecStart=/usr/bin/mightyohm-gc-exporter $ARGS
-
-[Install]
-WantedBy=multi-user.target

src/main.rs

@@ -1,203 +1,21 @@
-use anyhow::{bail, Error, Result};
+use anyhow::Result;
-use axum::{extract::Extension, routing::get, Router, Server};
-use clap::Parser;
-use log::{debug, info, trace};
 use std::{
     io::{BufRead, BufReader},
-    net::{IpAddr, SocketAddr},
-    str::FromStr,
-    sync::{
-        atomic::{AtomicU32, AtomicUsize, Ordering},
-        Arc,
-    },
     time::Duration,
 };
-use tokio::{spawn, task::JoinHandle, try_join};
 
-#[derive(Parser)]
+fn main() -> Result<()> {
-#[clap(
+    let port_name = "/dev/serial0";
-    about,
+    let baud_rate = 9600;
-    version,
-    author,
-    infer_subcommands(true),
-    propagate_version(true)
-)]
-struct Args {
-    /// The port of the serial device, usually in '/dev/...'.
-    #[clap(short, long, default_value = "/dev/serial0")]
-    serial_port: String,
-    /// The baudrate of the serial connection.
-    #[clap(short, long, default_value = "9600")]
-    baud_rate: u32,
-    /// Timeout of the serial connection in ms.
-    #[clap(short, long, default_value = "1000")]
-    timeout: u64,
-    /// The IPv4 or IPv6 address where the metrics are served.
-    #[clap(short, long, default_value = "127.0.0.1")]
-    address: IpAddr,
-    /// The port where the metrics are served.
-    #[clap(short, long, default_value = "9111")]
-    port: u16,
-}
 
-#[derive(Default)]
-struct AtomicF32 {
-    storage: AtomicU32,
-}
-
-impl AtomicF32 {
-    fn store(&self, value: f32, ordering: Ordering) {
-        let as_u32 = value.to_bits();
-        self.storage.store(as_u32, ordering);
-    }
-
-    fn load(&self, ordering: Ordering) -> f32 {
-        let as_u32 = self.storage.load(ordering);
-        f32::from_bits(as_u32)
-    }
-}
-
-#[derive(Debug)]
-enum Speed {
-    Slow = 0,
-    Fast,
-    Inst,
-}
-
-impl FromStr for Speed {
-    type Err = Error;
-
-    fn from_str(s: &str) -> Result<Self> {
-        match s {
-            "SLOW" => Ok(Self::Slow),
-            "FAST" => Ok(Self::Fast),
-            "INST" => Ok(Self::Inst),
-            _ => bail!("Could not parse speed"),
-        }
-    }
-}
-
-#[derive(Default)]
-struct Metrics {
-    cps: AtomicUsize,
-    cpm: AtomicUsize,
-    radiation: AtomicF32,
-    mode: AtomicUsize,
-}
-
-fn parse(input: &str) -> Result<(usize, usize, f32, Speed)> {
-    let input = input
-        .replace("CPS, ", "")
-        .replace(", CPM, ", " ")
-        .replace(", uSv/hr, ", " ")
-        .replace(", ", " ");
-    let input: Vec<&str> = input.split(' ').collect();
-
-    trace!(
-        "Parsed values: cps = {}, cpm = {}, μSv/h = {}, mode = {:?}",
-        input[0],
-        input[1],
-        input[2],
-        input[3]
-    );
-
-    Ok((
-        input[0].parse::<usize>()?,
-        input[1].parse::<usize>()?,
-        input[2].parse::<f32>()?,
-        input[3].parse::<Speed>()?,
-    ))
-}
-
-#[allow(clippy::unused_async, clippy::similar_names)]
-async fn listen_serial(
-    port_name: String,
-    baud_rate: u32,
-    timeout: u64,
-    metrics: Arc<Metrics>,
-) -> Result<()> {
     let port = serialport::new(port_name, baud_rate)
-        .timeout(Duration::from_millis(timeout))
+        .timeout(Duration::from_millis(1000))
         .open()?;
 
     let mut port = BufReader::new(port);
     loop {
         let mut line = String::new();
         port.read_line(&mut line)?;
-        let line = line.trim();
+        println!("{:?}", line);
-        debug!("Reading line from serial port: {}", line);
-        let (cps, cpm, radiation, mode) = parse(line)?;
-
-        metrics.cps.store(cps, Ordering::Relaxed);
-        metrics.cpm.store(cpm, Ordering::Relaxed);
-        metrics.radiation.store(radiation, Ordering::Relaxed);
-        metrics.mode.store(mode as usize, Ordering::Relaxed);
     }
 }
-
-#[allow(clippy::unused_async)]
-async fn get_metrics(Extension(metrics): Extension<Arc<Metrics>>) -> String {
-    format!(
-        r"# HELP mightyohm_gc_cps Counts per second.
-# TYPE mightyohm_gc_cps gauge
-mightyohm_gc_cps {}
-# HELP mightyohm_gc_cpm Counts per minute.
-# TYPE mightyohm_gc_cpm gauge
-mightyohm_gc_cpm {}
-# HELP mightyohm_gc_radiation Ionizing Radiation in μSv/h.
-# TYPE mightyohm_gc_radiation gauge
-mightyohm_gc_radiation {}
-# HELP mightyohm_gc_mode Data acquisition mode (0 = Slow, 1 = Fast, 2 = Inst).
-# TYPE mightyohm_gc_mode gauge
-mightyohm_gc_mode {}
-",
-        metrics.cps.load(Ordering::Relaxed),
-        metrics.cpm.load(Ordering::Relaxed),
-        metrics.radiation.load(Ordering::Relaxed),
-        metrics.mode.load(Ordering::Relaxed)
-    )
-}
-
-async fn listen_http(address: IpAddr, port: u16, metrics: Arc<Metrics>) -> Result<()> {
-    let app = Router::new()
-        .route("/metrics", get(get_metrics))
-        .layer(Extension(metrics));
-    let addr = SocketAddr::from((address, port));
-    info!("Listening on {}:{}", address, port);
-
-    Ok(Server::bind(&addr).serve(app.into_make_service()).await?)
-}
-
-async fn flatten<T>(handle: JoinHandle<Result<T>>) -> Result<T>
-where
-    T: Send,
-{
-    match handle.await {
-        Ok(Ok(result)) => Ok(result),
-        Ok(Err(err)) => bail!(err),
-        Err(err) => bail!(err),
-    }
-}
-
-#[tokio::main]
-async fn main() -> Result<()> {
-    env_logger::init();
-    let args = Args::parse();
-    let metrics = Arc::new(Metrics::default());
-
-    try_join!(
-        flatten(spawn(listen_serial(
-            args.serial_port,
-            args.baud_rate,
-            args.timeout,
-            Arc::clone(&metrics)
-        ))),
-        flatten(spawn(listen_http(
-            args.address,
-            args.port,
-            Arc::clone(&metrics)
-        )))
-    )?;
-
-    Ok(())
-}