proxmox-backup/pbs-config/src/remote.rs

60 lines
1.8 KiB
Rust

use std::collections::HashMap;
use anyhow::Error;
use lazy_static::lazy_static;
use proxmox_schema::*;
use proxmox_section_config::{SectionConfig, SectionConfigData, SectionConfigPlugin};
use pbs_api_types::{Remote, REMOTE_ID_SCHEMA};
use crate::{open_backup_lockfile, BackupLockGuard};
lazy_static! {
pub static ref CONFIG: SectionConfig = init();
}
fn init() -> SectionConfig {
let obj_schema = match Remote::API_SCHEMA {
Schema::AllOf(ref allof_schema) => allof_schema,
_ => unreachable!(),
};
let plugin = SectionConfigPlugin::new("remote".to_string(), Some("name".to_string()), obj_schema);
let mut config = SectionConfig::new(&REMOTE_ID_SCHEMA);
config.register_plugin(plugin);
config
}
pub const REMOTE_CFG_FILENAME: &str = "/etc/proxmox-backup/remote.cfg";
pub const REMOTE_CFG_LOCKFILE: &str = "/etc/proxmox-backup/.remote.lck";
/// Get exclusive lock
pub fn lock_config() -> Result<BackupLockGuard, Error> {
open_backup_lockfile(REMOTE_CFG_LOCKFILE, None, true)
}
pub fn config() -> Result<(SectionConfigData, [u8;32]), Error> {
let content = proxmox::tools::fs::file_read_optional_string(REMOTE_CFG_FILENAME)?
.unwrap_or_else(|| "".to_string());
let digest = openssl::sha::sha256(content.as_bytes());
let data = CONFIG.parse(REMOTE_CFG_FILENAME, &content)?;
Ok((data, digest))
}
pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {
let raw = CONFIG.write(REMOTE_CFG_FILENAME, &config)?;
crate::replace_backup_config(REMOTE_CFG_FILENAME, raw.as_bytes())
}
// shell completion helper
pub fn complete_remote_name(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
match config() {
Ok((data, _digest)) => data.sections.iter().map(|(id, _)| id.to_string()).collect(),
Err(_) => return vec![],
}
}