Browse Source

feat: implement hierachical config

feature-logging
Tim Schumacher 2 years ago
parent
commit
22ba3eaa47
  1. 4
      .gitignore
  2. 324
      Cargo.lock
  3. 5
      Cargo.toml
  4. 7
      config/default.toml
  5. 3
      src/helper/mod.rs
  6. 50
      src/helper/settings.rs
  7. 19
      src/main.rs

4
.gitignore

@ -3,10 +3,6 @@
# will have compiled files and executables
/target/
# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
Cargo.lock
# These are backup files generated by rustfmt
**/*.rs.bk

324
Cargo.lock

@ -0,0 +1,324 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "aho-corasick"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "arrayvec"
version = "0.4.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "autocfg"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cfg-if"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "config"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"nom 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rust-ini 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
"serde-hjson 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
"toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
"yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "errms"
version = "0.1.0"
dependencies = [
"config 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "itoa"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lazy_static"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lexical-core"
version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "linked-hash-map"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_test 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "linked-hash-map"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "memchr"
version = "2.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "nodrop"
version = "0.1.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "nom"
version = "5.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lexical-core 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
"memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
"version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-traits"
version = "0.1.43"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-traits"
version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "proc-macro2"
version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "quote"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "regex"
version = "1.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
"memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
"regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
"thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "regex-syntax"
version = "0.6.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "rust-ini"
version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "rustc_version"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "ryu"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "semver"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "semver-parser"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "serde"
version = "0.8.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "serde"
version = "1.0.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "serde-hjson"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
"num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
"regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "serde_derive"
version = "1.0.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "serde_json"
version = "1.0.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
"ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "serde_test"
version = "0.8.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "static_assertions"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "syn"
version = "1.0.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "thread_local"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "toml"
version = "0.5.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "unicode-xid"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "version_check"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "yaml-rust"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[metadata]
"checksum aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "58fb5e95d83b38284460a5fda7d6470aa0b8844d283a0b614b8535e880800d2d"
"checksum arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
"checksum autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
"checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
"checksum config 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "19b076e143e1d9538dde65da30f8481c2a6c44040edb8e02b9bf1351edb92ce3"
"checksum itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "501266b7edd0174f8530248f87f99c88fbe60ca4ef3dd486835b8d8d53136f7f"
"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
"checksum lexical-core 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2304bccb228c4b020f3a4835d247df0a02a7c4686098d4167762cfbbe4c5cb14"
"checksum linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6d262045c5b87c0861b3f004610afd0e2c851e2908d08b6c870cbb9d5f494ecd"
"checksum linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ae91b68aebc4ddb91978b11a1b02ddd8602a05ec19002801c5666000e05e0f83"
"checksum memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3197e20c7edb283f87c071ddfc7a2cca8f8e0b888c242959846a6fce03c72223"
"checksum nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
"checksum nom 5.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c433f4d505fe6ce7ff78523d2fa13a0b9f2690e181fc26168bcbe5ccc5d14e07"
"checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
"checksum num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
"checksum proc-macro2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0319972dcae462681daf4da1adeeaa066e3ebd29c69be96c6abb1259d2ee2bcc"
"checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
"checksum regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b5508c1941e4e7cb19965abef075d35a9a8b5cdf0846f30b4050e9b55dc55e87"
"checksum regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "e734e891f5b408a29efbf8309e656876276f49ab6a6ac208600b4419bd893d90"
"checksum rust-ini 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3e52c148ef37f8c375d49d5a73aa70713125b7f19095948a923f80afdeb22ec2"
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
"checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8"
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
"checksum serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
"checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
"checksum serde-hjson 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6a3a4e0ea8a88553209f6cc6cfe8724ecad22e1acf372793c27d995290fe74f8"
"checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
"checksum serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)" = "48c575e0cc52bdd09b47f330f646cf59afc586e9c4e3ccd6fc1f625b8ea1dad7"
"checksum serde_test 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)" = "110b3dbdf8607ec493c22d5d947753282f3bae73c0f56d322af1e8c78e4c23d5"
"checksum static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
"checksum syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1e4ff033220a41d1a57d8125eab57bf5263783dfdcc18688b1dacc6ce9651ef8"
"checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
"checksum toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "01d1404644c8b12b16bfcffa4322403a91a451584daaaa7c28d3152e6cbc98cf"
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
"checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"

5
Cargo.toml

@ -1,5 +1,5 @@
[package]
name = "ERRMS"
name = "errms"
version = "0.1.0"
authors = ["Keanu Doelle <ares@anghenfil.de>"]
edition = "2018"
@ -7,3 +7,6 @@ edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
config = "0.10.1"
serde_derive = "1.0.104"
serde = "1.0.104"

7
config/default.toml

@ -0,0 +1,7 @@
[database]
connection_string = "mysql://mysql:qwertz@localhost:3306/ERRMS"
[application]
default_language = "de-DE"
fallback_language = "en-US"
loglevel = "debug"

3
src/helper/mod.rs

@ -0,0 +1,3 @@
extern crate config;
pub mod settings;

50
src/helper/settings.rs

@ -0,0 +1,50 @@
use config::{Config, ConfigError, Environment, File};
use std::env;
#[derive(Debug, Deserialize)]
pub struct Database {
pub connection_string: String,
}
#[derive(Debug, Deserialize)]
pub struct Application {
pub default_language: String,
pub fallback_language: String,
pub loglevel: String,
}
#[derive(Debug, Deserialize)]
pub struct Settings {
pub database: Database,
pub application: Application,
}
impl Settings {
pub fn new() -> Result<Self, ConfigError> {
let mut s = Config::new();
// Start off by merging in the "default" configuration file
s.merge(File::with_name("config/default"))?;
// Add in the current environment file
// Default to 'development' env
// Note that this file is _optional_
let env = env::var("RUN_MODE").unwrap_or("development".into());
s.merge(File::with_name(&format!("config/{}", env)).required(false))?;
// Add in a local configuration file
// This file shouldn't be checked in to git
s.merge(File::with_name("config/local").required(false))?;
// Add in settings from the environment (with a prefix of APP)
// Eg.. `APP_DEBUG=1 ./target/app` would set the `debug` key
s.merge(Environment::with_prefix("app"))?;
// Now that we're done, let's access our configuration
// println!("debug: {:?}", s.get_bool("debug"));
// println!("database: {:?}", s.get::<String>("database.url"));
// You can deserialize (and thus freeze) the entire configuration as
s.try_into()
}
}

19
src/main.rs

@ -1,3 +1,20 @@
extern crate config;
extern crate serde;
#[macro_use]
extern crate serde_derive;
pub mod helper;
use helper::settings::Settings;
fn main() {
println!("Hello, world! Test1");
let settings_result = Settings::new();
if settings_result.is_err() {
println!("Failed to read config: {:#?}", settings_result.err());
std::process::exit(1)
}
let settings = settings_result.unwrap();
println!("Hello, world! Default Language: {}", settings.application.default_language);
}
Loading…
Cancel
Save