mirror of
https://github.com/NotAShelf/systemyml.git
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initial commit
This commit is contained in:
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14 changed files with 850 additions and 0 deletions
1
.envrc
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1
.envrc
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@ -0,0 +1 @@
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use flake
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1
.gitignore
vendored
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1
.gitignore
vendored
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@ -0,0 +1 @@
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target/
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452
Cargo.lock
generated
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452
Cargo.lock
generated
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@ -0,0 +1,452 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||
15
Cargo.toml
Normal file
15
Cargo.toml
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
[package]
|
||||
name = "systemyml"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
serde = { version = "1.0", features = ["derive"] }
|
||||
serde_yaml = "0.9"
|
||||
log = "0.4"
|
||||
env_logger = "0.10"
|
||||
clap = "2.34.0"
|
||||
|
||||
|
||||
5
README.md
Normal file
5
README.md
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
# Systemyml
|
||||
|
||||
> Something something generate systemd services from Yaml files. Works for the most part.
|
||||
|
||||
I think I can finally say I know how to write Rust code.
|
||||
8
default.nix
Normal file
8
default.nix
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
{rustPlatform}:
|
||||
rustPlatform.buildRustPackage {
|
||||
pname = "systemyml";
|
||||
version = "0.0.1";
|
||||
|
||||
src = ./.;
|
||||
cargoLock.lockFile = ./Cargo.lock;
|
||||
}
|
||||
26
flake.lock
Normal file
26
flake.lock
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
{
|
||||
"nodes": {
|
||||
"nixpkgs": {
|
||||
"locked": {
|
||||
"lastModified": 1695879232,
|
||||
"narHash": "sha256-lD3dtNh0a69DSHY0irGCiGjv3LCrfmdPWmcm/WCE7fs=",
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"rev": "e7a162f48ae79bbfb5aa5a1165bd989bec55cc6d",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"root": {
|
||||
"inputs": {
|
||||
"nixpkgs": "nixpkgs"
|
||||
}
|
||||
}
|
||||
},
|
||||
"root": "root",
|
||||
"version": 7
|
||||
}
|
||||
26
flake.nix
Normal file
26
flake.nix
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
{
|
||||
description = "Generate Systemd services from Yaml templates";
|
||||
inputs = {
|
||||
nixpkgs.url = "github:NixOS/nixpkgs";
|
||||
};
|
||||
|
||||
outputs = {
|
||||
self,
|
||||
nixpkgs,
|
||||
}: let
|
||||
systems = ["x86_64-linux" "aarch64-linux"];
|
||||
forEachSystem = nixpkgs.lib.genAttrs systems;
|
||||
|
||||
pkgsForEach = nixpkgs.legacyPackages;
|
||||
in rec {
|
||||
packages = forEachSystem (system: {
|
||||
default = pkgsForEach.${system}.callPackage ./default.nix {};
|
||||
});
|
||||
|
||||
devShells = forEachSystem (system: {
|
||||
default = pkgsForEach.${system}.callPackage ./shell.nix {};
|
||||
});
|
||||
|
||||
hydraJobs = packages;
|
||||
};
|
||||
}
|
||||
16
services/test.yml
Normal file
16
services/test.yml
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
my_service:
|
||||
name: my_service
|
||||
install:
|
||||
WantedBy: multi-user.target
|
||||
unit:
|
||||
Description: Example service
|
||||
After: network.target
|
||||
Wants: network-online.target
|
||||
Documentation: https://example.com/my-service-doc
|
||||
service:
|
||||
Type: simple
|
||||
ExecStart: /usr/bin/my_service_executable arg1 arg2
|
||||
Restart: always
|
||||
User: my_user
|
||||
Group: my_group
|
||||
WorkingDirectory: /path/to/working/directory
|
||||
18
shell.nix
Normal file
18
shell.nix
Normal file
|
|
@ -0,0 +1,18 @@
|
|||
{
|
||||
callPackage,
|
||||
rust-analyzer,
|
||||
rustfmt,
|
||||
clippy,
|
||||
}: let
|
||||
mainPkg = callPackage ./default.nix {};
|
||||
in
|
||||
mainPkg.overrideAttrs (oa: {
|
||||
nativeBuildInputs =
|
||||
[
|
||||
# Additional rust tooling
|
||||
rust-analyzer
|
||||
rustfmt
|
||||
clippy
|
||||
]
|
||||
++ (oa.nativeBuildInputs or []);
|
||||
})
|
||||
202
src/main.rs
Normal file
202
src/main.rs
Normal file
|
|
@ -0,0 +1,202 @@
|
|||
#[macro_use]
|
||||
extern crate log;
|
||||
extern crate clap;
|
||||
extern crate env_logger;
|
||||
extern crate serde;
|
||||
|
||||
use clap::{App, Arg};
|
||||
use serde::{Deserialize, Serialize};
|
||||
use serde_yaml;
|
||||
use std::collections::HashMap;
|
||||
use std::error::Error;
|
||||
use std::fs::{self, File};
|
||||
use std::io::Write;
|
||||
use std::path::{Path, PathBuf};
|
||||
mod service_struct;
|
||||
|
||||
#[derive(Debug, Deserialize, Serialize)]
|
||||
struct ServiceConfig {
|
||||
pub name: String,
|
||||
pub install: Option<HashMap<String, String>>,
|
||||
pub unit: Option<HashMap<String, String>>,
|
||||
pub service: Option<HashMap<String, String>>,
|
||||
pub environment: Option<HashMap<String, String>>,
|
||||
}
|
||||
|
||||
fn main() -> Result<(), Box<dyn Error>> {
|
||||
let matches = App::new("systemyml")
|
||||
.version("0.0.1")
|
||||
.author("NotAShelf")
|
||||
.about("Creates systemd service units from YAML configuration files.")
|
||||
.arg(
|
||||
Arg::with_name("config")
|
||||
.short("c")
|
||||
.long("config")
|
||||
.value_name("PATH")
|
||||
.help("Specify the directory or YAML file containing service configuration.")
|
||||
.default_value("services") // Default value for the config directory.
|
||||
.takes_value(true),
|
||||
)
|
||||
.arg(
|
||||
Arg::with_name("target")
|
||||
.short("t")
|
||||
.long("target")
|
||||
.value_name("DIRECTORY")
|
||||
.help("Specify the target directory for systemd service units.")
|
||||
.default_value("/etc/systemd/system") // Default value for the target directory.
|
||||
.takes_value(true),
|
||||
)
|
||||
.arg(
|
||||
Arg::with_name("verbose")
|
||||
.short("v")
|
||||
.long("verbose")
|
||||
.help("Enable verbose logging."),
|
||||
)
|
||||
.arg(
|
||||
Arg::with_name("stdout")
|
||||
.long("stdout")
|
||||
.help("Print the generated service config to stdout."),
|
||||
)
|
||||
.arg(
|
||||
Arg::with_name("dryrun")
|
||||
.long("dryrun")
|
||||
.help("Describe what would happen without making changes."),
|
||||
)
|
||||
.arg(
|
||||
Arg::with_name("safe")
|
||||
.long("safe")
|
||||
.help("Copy service units to the target directory without starting services."),
|
||||
)
|
||||
.get_matches();
|
||||
|
||||
if matches.is_present("verbose") {
|
||||
env_logger::Builder::new()
|
||||
.filter_level(log::LevelFilter::Debug)
|
||||
.init();
|
||||
} else {
|
||||
env_logger::Builder::new()
|
||||
.filter_level(log::LevelFilter::Info)
|
||||
.init();
|
||||
}
|
||||
|
||||
info!("Starting the program.");
|
||||
|
||||
let config_path = Path::new(matches.value_of("config").unwrap());
|
||||
let target_dir = PathBuf::from(matches.value_of("target").unwrap());
|
||||
|
||||
if config_path.is_dir() {
|
||||
for entry in fs::read_dir(&config_path)? {
|
||||
if let Ok(entry) = entry {
|
||||
let file_path = entry.path();
|
||||
if file_path.is_file() && file_path.extension().map_or(false, |e| e == "yaml") {
|
||||
if let Err(err) = process_service_config(
|
||||
&file_path,
|
||||
&target_dir,
|
||||
matches.is_present("stdout"),
|
||||
matches.is_present("dryrun"),
|
||||
matches.is_present("safe"),
|
||||
) {
|
||||
error!("Failed to process service configuration: {}", err);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if config_path.is_file() {
|
||||
if let Err(err) = process_service_config(
|
||||
config_path,
|
||||
&target_dir,
|
||||
matches.is_present("stdout"),
|
||||
matches.is_present("dryrun"),
|
||||
matches.is_present("safe"),
|
||||
) {
|
||||
error!("Failed to process service configuration: {}", err);
|
||||
}
|
||||
} else {
|
||||
error!("Invalid configuration path: {:?}", config_path);
|
||||
}
|
||||
|
||||
info!("Program completed successfully.");
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Process the service configuration from a YAML file and create systemd service units.
|
||||
///
|
||||
/// # Arguments
|
||||
///
|
||||
/// * `file_path` - The path to the YAML configuration file.
|
||||
/// * `target_dir` - The target directory where systemd service units will be installed.
|
||||
/// * `print_to_stdout` - Whether to print the generated service config to stdout.
|
||||
/// * `dryrun` - Whether to describe what would happen without making changes.
|
||||
/// * `safe` - Whether to copy service units to the target directory without starting services.
|
||||
///
|
||||
/// # Returns
|
||||
///
|
||||
/// A Result indicating success or an error.
|
||||
fn process_service_config(
|
||||
file_path: &std::path::Path,
|
||||
target_dir: &std::path::Path,
|
||||
_print_to_stdout: bool,
|
||||
dryrun: bool,
|
||||
safe: bool,
|
||||
) -> Result<(), Box<dyn Error>> {
|
||||
if !target_dir.exists() {
|
||||
fs::create_dir_all(target_dir)?;
|
||||
}
|
||||
|
||||
let yaml_content = fs::read_to_string(file_path)?;
|
||||
let service_config: HashMap<String, ServiceConfig> = serde_yaml::from_str(&yaml_content)?;
|
||||
|
||||
for (name, config) in &service_config {
|
||||
let serialized_config = serde_yaml::to_string(&config)?;
|
||||
|
||||
let unit_filename = format!("{}.service", name);
|
||||
let unit_path = target_dir.join(&unit_filename);
|
||||
|
||||
info!("unit_filename: {:?}", unit_filename);
|
||||
info!("unit_path: {:?}", unit_path);
|
||||
|
||||
if dryrun {
|
||||
println!(
|
||||
"Generated service config for '{}':\n\n{}",
|
||||
name, serialized_config
|
||||
);
|
||||
println!("Dry run: Would create systemd unit: {:?}", unit_path);
|
||||
|
||||
if safe {
|
||||
println!("Dry run: Would enable service: {}", name);
|
||||
println!("Dry run: Would start service: {}", name);
|
||||
}
|
||||
} else {
|
||||
let mut unit_file = File::create(&unit_path)?;
|
||||
unit_file.write_all(serialized_config.as_bytes())?;
|
||||
|
||||
if safe {
|
||||
info!("Copied systemd unit to target directory: {:?}", unit_path);
|
||||
} else {
|
||||
if let Err(err) = enable_and_start_service(&unit_filename) {
|
||||
error!("Failed to enable and start service '{}': {}", name, err);
|
||||
} else {
|
||||
info!("Enabled and started service: {}", name);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Enable and start a systemd service by its name.
|
||||
///
|
||||
/// # Arguments
|
||||
///
|
||||
/// * `service_name` - The name of the systemd service to enable and start.
|
||||
///
|
||||
/// # Returns
|
||||
///
|
||||
/// A Result indicating success or an error.
|
||||
fn enable_and_start_service(service_name: &str) -> Result<(), Box<dyn Error>> {
|
||||
// TODO: make this do something
|
||||
println!("Enabled and started service: {}", service_name);
|
||||
Ok(())
|
||||
}
|
||||
57
src/service_struct/mod.rs
Normal file
57
src/service_struct/mod.rs
Normal file
|
|
@ -0,0 +1,57 @@
|
|||
use serde::{Deserialize, Serialize};
|
||||
use std::collections::HashMap;
|
||||
|
||||
#[derive(Debug, Deserialize, Serialize)]
|
||||
pub struct ServiceConfig {
|
||||
pub my_service: MyService,
|
||||
}
|
||||
|
||||
#[derive(Debug, Deserialize, Serialize)]
|
||||
pub struct MyService {
|
||||
pub name: String,
|
||||
pub install: Option<HashMap<String, String>>,
|
||||
pub unit: Option<HashMap<String, String>>,
|
||||
pub service: Option<ServiceProperties>,
|
||||
}
|
||||
|
||||
#[derive(Debug, Deserialize, Serialize)]
|
||||
pub struct ServiceProperties {
|
||||
pub Type: String,
|
||||
pub ExecStart: String,
|
||||
pub Restart: String,
|
||||
pub User: String,
|
||||
pub Group: String,
|
||||
pub WorkingDirectory: String,
|
||||
pub Nice: i32,
|
||||
pub UMask: String,
|
||||
pub RestartSec: String,
|
||||
pub TimeoutStartSec: String,
|
||||
pub TimeoutStopSec: String,
|
||||
pub SuccessExitStatus: String,
|
||||
pub LimitNOFILE: i32,
|
||||
pub LimitCORE: String,
|
||||
pub LimitAS: String,
|
||||
pub LimitCPU: String,
|
||||
pub LimitFSIZE: String,
|
||||
pub LimitNPROC: i32,
|
||||
pub LimitSTACK: String,
|
||||
pub LimitRTPRIO: i32,
|
||||
pub CPUSet: String,
|
||||
pub Delegate: String,
|
||||
pub ProtectHome: String,
|
||||
pub ProtectSystem: String,
|
||||
pub PrivateTmp: String,
|
||||
pub PrivateDevices: String,
|
||||
pub ProtectKernelModules: String,
|
||||
pub ProtectKernelTunables: String,
|
||||
pub ProtectControlGroups: String,
|
||||
pub MemoryDenyGroup: String,
|
||||
pub IOWeight: i32,
|
||||
pub IOWeightDevice: Vec<String>,
|
||||
pub BlockIOWeight: i32,
|
||||
pub BlockIOWeightDevice: Vec<String>,
|
||||
pub TasksMax: i32,
|
||||
pub Slice: String,
|
||||
pub NUMANode: i32,
|
||||
pub NUMAAffinity: Vec<i32>,
|
||||
}
|
||||
16
test/my_service.service
Normal file
16
test/my_service.service
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
name: my_service
|
||||
install:
|
||||
WantedBy: multi-user.target
|
||||
unit:
|
||||
Documentation: https://example.com/my-service-doc
|
||||
After: network.target
|
||||
Description: Example service
|
||||
Wants: network-online.target
|
||||
service:
|
||||
WorkingDirectory: /path/to/working/directory
|
||||
ExecStart: /usr/bin/my_service_executable arg1 arg2
|
||||
Restart: always
|
||||
User: my_user
|
||||
Type: simple
|
||||
Group: my_group
|
||||
environment: null
|
||||
7
test/service1.service
Normal file
7
test/service1.service
Normal file
|
|
@ -0,0 +1,7 @@
|
|||
[Unit]
|
||||
Description=Example service 1
|
||||
|
||||
[Service]
|
||||
ExecStart=/usr/bin/service1_executable arg1 arg2
|
||||
Environment=VAR1=value1
|
||||
Environment=VAR2=value2
|
||||
Loading…
Reference in a new issue