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Add documentation

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This commit is contained in:
mlemesle 2022-09-07 18:16:33 +02:00
parent 135499f398
commit 5a4f1508d0
2 changed files with 9 additions and 0 deletions
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8
meilisearch-http/src/option.rs
View File

@ -242,15 +242,20 @@ impl Opt {
!self.no_analytics
}
/// Build a new Opt from config file, env vars and cli args.
pub fn build() -> Self {
// Parse the args to get the config_file_path.
let mut opts = Opt::parse();
if let Some(config_file_path) = opts.config_file_path.as_ref() {
eprintln!("loading config file : {:?}", config_file_path);
match std::fs::read(config_file_path) {
Ok(config) => {
// If the arg is present, and the file successfully read, we deserialize it with `toml`.
let opt_from_config =
toml::from_slice::<Opt>(&config).expect("can't read file");
// We inject the values from the toml in the corresponding env vars if needs be. Doing so, we respect the priority toml < env vars < cli args.
opt_from_config.export_to_env();
// Once injected we parse the cli args once again to take the new env vars into scope.
opts = Opt::parse();
}
Err(err) => eprintln!("can't read {:?} : {}", config_file_path, err),
@ -260,6 +265,7 @@ impl Opt {
opts
}
/// Exports the opts values to their corresponding env vars if they are not set.
fn export_to_env(self) {
export_to_env_if_not_present(MEILI_DB_PATH, self.db_path);
export_to_env_if_not_present(MEILI_HTTP_ADDR, self.http_addr);
@ -409,6 +415,8 @@ fn load_ocsp(filename: &Option<PathBuf>) -> anyhow::Result<Vec<u8>> {
Ok(ret)
}
/// Functions used to get default value for `Opt` fields, needs to be function because of serde's default attribute.
fn default_db_path() -> PathBuf {
PathBuf::from(DEFAULT_DB_PATH)
}

1
meilisearch-lib/src/options.rs
View File

@ -59,6 +59,7 @@ pub struct SchedulerConfig {
}
impl IndexerOpts {
/// Exports the values to their corresponding env vars if they are not set.
pub fn export_to_env(self) {
if let Some(max_indexing_memory) = self.max_indexing_memory.0 {
export_to_env_if_not_present(