Merge pull request 'small fixes to config/secrets handling' (#715) from fix-secrets-695 into main

Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/715
This commit is contained in:
Alex 2024-02-13 10:04:49 +00:00
commit 823078b4cd
3 changed files with 30 additions and 21 deletions

View file

@ -174,7 +174,9 @@ async fn main() {
}
async fn cli_command(opt: Opt) -> Result<(), Error> {
let config = if opt.secrets.rpc_secret.is_none() || opt.rpc_host.is_none() {
let config = if (opt.secrets.rpc_secret.is_none() && opt.secrets.rpc_secret_file.is_none())
|| opt.rpc_host.is_none()
{
Some(garage_util::config::read_config(opt.config_file.clone())
.err_context(format!("Unable to read configuration file {}. Configuration file is needed because -h or -s is not provided on the command line.", opt.config_file.to_string_lossy()))?)
} else {
@ -182,14 +184,19 @@ async fn cli_command(opt: Opt) -> Result<(), Error> {
};
// Find and parse network RPC secret
let net_key_hex_str = opt
.secrets
.rpc_secret
.as_ref()
.or_else(|| config.as_ref().and_then(|c| c.rpc_secret.as_ref()))
.ok_or("No RPC secret provided")?;
let mut rpc_secret = config.as_ref().and_then(|c| c.rpc_secret.clone());
secrets::fill_secret(
&mut rpc_secret,
&config.as_ref().and_then(|c| c.rpc_secret_file.clone()),
&opt.secrets.rpc_secret,
&opt.secrets.rpc_secret_file,
"rpc_secret",
true,
)?;
let net_key_hex_str = rpc_secret.ok_or("No RPC secret provided")?;
let network_key = NetworkKey::from_slice(
&hex::decode(net_key_hex_str).err_context("Invalid RPC secret key (bad hex)")?[..],
&hex::decode(&net_key_hex_str).err_context("Invalid RPC secret key (bad hex)")?[..],
)
.ok_or("Invalid RPC secret provided (wrong length)")?;

View file

@ -1,3 +1,5 @@
use std::path::PathBuf;
use structopt::StructOpt;
use garage_util::config::Config;
@ -23,7 +25,7 @@ pub struct Secrets {
/// RPC secret network key, used to replace rpc_secret in config.toml and rpc-secret
/// when running the daemon or doing admin operations
#[structopt(long = "rpc-secret-file", env = "GARAGE_RPC_SECRET_FILE")]
pub rpc_secret_file: Option<String>,
pub rpc_secret_file: Option<PathBuf>,
/// Admin API authentication token, replaces admin.admin_token in config.toml when
/// running the Garage daemon
@ -33,7 +35,7 @@ pub struct Secrets {
/// Admin API authentication token file path, replaces admin.admin_token in config.toml
/// and admin-token when running the Garage daemon
#[structopt(long = "admin-token-file", env = "GARAGE_ADMIN_TOKEN_FILE")]
pub admin_token_file: Option<String>,
pub admin_token_file: Option<PathBuf>,
/// Metrics API authentication token, replaces admin.metrics_token in config.toml when
/// running the Garage daemon
@ -43,7 +45,7 @@ pub struct Secrets {
/// Metrics API authentication token file path, replaces admin.metrics_token in config.toml
/// and metrics-token when running the Garage daemon
#[structopt(long = "metrics-token-file", env = "GARAGE_METRICS_TOKEN_FILE")]
pub metrics_token_file: Option<String>,
pub metrics_token_file: Option<PathBuf>,
}
/// Single function to fill all secrets in the Config struct from their correct source (value
@ -83,11 +85,11 @@ pub fn fill_secrets(mut config: Config, secrets: Secrets) -> Result<Config, Erro
Ok(config)
}
fn fill_secret(
pub(crate) fn fill_secret(
config_secret: &mut Option<String>,
config_secret_file: &Option<String>,
config_secret_file: &Option<PathBuf>,
cli_secret: &Option<String>,
cli_secret_file: &Option<String>,
cli_secret_file: &Option<PathBuf>,
name: &'static str,
allow_world_readable: bool,
) -> Result<(), Error> {
@ -117,14 +119,14 @@ fn fill_secret(
Ok(())
}
fn read_secret_file(file_path: &String, allow_world_readable: bool) -> Result<String, Error> {
fn read_secret_file(file_path: &PathBuf, allow_world_readable: bool) -> Result<String, Error> {
if !allow_world_readable {
#[cfg(unix)]
{
use std::os::unix::fs::MetadataExt;
let metadata = std::fs::metadata(file_path)?;
if metadata.mode() & 0o077 != 0 {
return Err(format!("File {} is world-readable! (mode: 0{:o}, expected 0600)\nRefusing to start until this is fixed, or environment variable GARAGE_ALLOW_WORLD_READABLE_SECRETS is set to true.", file_path, metadata.mode()).into());
return Err(format!("File {} is world-readable! (mode: 0{:o}, expected 0600)\nRefusing to start until this is fixed, or environment variable GARAGE_ALLOW_WORLD_READABLE_SECRETS is set to true.", file_path.display(), metadata.mode()).into());
}
}
}
@ -260,7 +262,7 @@ mod tests {
let config = fill_secrets(
config,
Secrets {
rpc_secret_file: Some(path_secret2.display().to_string()),
rpc_secret_file: Some(path_secret2.clone()),
..Default::default()
},
)?;
@ -271,7 +273,7 @@ mod tests {
config,
Secrets {
rpc_secret: Some("baz".into()),
rpc_secret_file: Some(path_secret2.display().to_string()),
rpc_secret_file: Some(path_secret2.clone()),
..Default::default()
}
)

View file

@ -52,7 +52,7 @@ pub struct Config {
/// RPC secret key: 32 bytes hex encoded
pub rpc_secret: Option<String>,
/// Optional file where RPC secret key is read from
pub rpc_secret_file: Option<String>,
pub rpc_secret_file: Option<PathBuf>,
/// Address to bind for RPC
pub rpc_bind_addr: SocketAddr,
/// Public IP address of this node
@ -166,12 +166,12 @@ pub struct AdminConfig {
/// Bearer token to use to scrape metrics
pub metrics_token: Option<String>,
/// File to read metrics token from
pub metrics_token_file: Option<String>,
pub metrics_token_file: Option<PathBuf>,
/// Bearer token to use to access Admin API endpoints
pub admin_token: Option<String>,
/// File to read admin token from
pub admin_token_file: Option<String>,
pub admin_token_file: Option<PathBuf>,
/// OTLP server to where to export traces
pub trace_sink: Option<String>,