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use crate::FaaSResult;
use serde_derive::Serialize;
use serde_derive::Deserialize;
use serde_with::serde_as;
use serde_with::skip_serializing_none;
use serde_with::DisplayFromStr;
use std::path::Path;
#[derive(Deserialize, Serialize, Debug, Clone, Default)]
pub struct TomlFaaSConfig {
pub modules_dir: Option<String>,
#[serde(skip_serializing_if = "Vec::is_empty")]
pub module: Vec<TomlFaaSNamedModuleConfig>,
pub default: Option<TomlFaaSModuleConfig>,
}
impl TomlFaaSConfig {
pub fn load<P: AsRef<Path>>(path: P) -> FaaSResult<Self> {
let file_content = std::fs::read(path)?;
Ok(toml::from_slice(&file_content)?)
}
}
#[derive(Deserialize, Serialize, Debug, Clone, Default)]
pub struct TomlFaaSNamedModuleConfig {
pub name: String,
#[serde(default)]
pub file_name: Option<String>,
#[serde(flatten)]
pub config: TomlFaaSModuleConfig,
}
#[serde_as]
#[skip_serializing_none]
#[derive(Deserialize, Serialize, Debug, Clone, Default)]
pub struct TomlFaaSModuleConfig {
pub mem_pages_count: Option<u32>,
#[serde_as(as = "Option<DisplayFromStr>")]
#[serde(default)]
pub max_heap_size: Option<bytesize::ByteSize>,
pub logger_enabled: Option<bool>,
pub wasi: Option<TomlWASIConfig>,
pub mounted_binaries: Option<toml::value::Table>,
pub logging_mask: Option<i32>,
}
#[derive(Deserialize, Serialize, Debug, Clone, Default)]
pub struct TomlWASIConfig {
pub preopened_files: Option<Vec<String>>,
pub envs: Option<toml::value::Table>,
pub mapped_dirs: Option<toml::value::Table>,
}
#[cfg(test)]
mod tests {
use bytesize::ByteSize;
use super::{TomlFaaSNamedModuleConfig, TomlFaaSModuleConfig, TomlWASIConfig};
#[test]
fn serialize_named() {
let config = TomlFaaSNamedModuleConfig {
name: "name".to_string(),
file_name: Some("file_name".to_string()),
config: TomlFaaSModuleConfig {
mem_pages_count: Some(100),
max_heap_size: Some(ByteSize::gib(4)),
logger_enabled: Some(false),
wasi: Some(TomlWASIConfig {
preopened_files: Some(vec!["a".to_string()]),
envs: None,
mapped_dirs: None,
}),
mounted_binaries: None,
logging_mask: None,
},
};
assert!(toml::to_string(&config).is_ok())
}
}