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use log::debug;
use serde::Deserialize;
use std::default::Default;
use std::fs;
use std::path::{Path, PathBuf};
#[derive(Default, Debug, Deserialize)]
pub struct Configuration {
pub default_base_image: Option<PathBuf>,
pub default_image_gib: Option<u64>,
pub default_memory_mib: Option<u64>,
pub default_cpus: Option<u64>,
pub image_directory: Option<PathBuf>,
pub authorized_keys: Option<Vec<PathBuf>>,
}
#[derive(Debug, thiserror::Error)]
pub enum ConfigurationError {
#[error(transparent)]
IoError(#[from] std::io::Error),
#[error(transparent)]
YamlError(#[from] serde_yaml::Error),
}
impl Configuration {
pub fn from_file(filename: &Path) -> Result<Self, ConfigurationError> {
if filename.exists() {
debug!("reading configuration file {}", filename.display());
let config = fs::read(filename)?;
let config: Configuration = serde_yaml::from_slice(&config)?;
debug!("config: {:#?}", config);
Ok(config)
} else {
Ok(Self::default())
}
}
}
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