95 lines
3.0 KiB
Rust
95 lines
3.0 KiB
Rust
use anyhow::{Error};
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use lazy_static::lazy_static;
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use std::collections::HashMap;
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use proxmox_schema::{ApiType, Schema};
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use proxmox_section_config::{SectionConfig, SectionConfigData, SectionConfigPlugin};
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use pbs_api_types::{DataStoreConfig, DATASTORE_SCHEMA};
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use crate::{open_backup_lockfile, replace_backup_config, BackupLockGuard};
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lazy_static! {
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pub static ref CONFIG: SectionConfig = init();
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}
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fn init() -> SectionConfig {
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let obj_schema = match DataStoreConfig::API_SCHEMA {
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Schema::Object(ref obj_schema) => obj_schema,
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_ => unreachable!(),
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};
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let plugin = SectionConfigPlugin::new("datastore".to_string(), Some(String::from("name")), obj_schema);
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let mut config = SectionConfig::new(&DATASTORE_SCHEMA);
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config.register_plugin(plugin);
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config
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}
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pub const DATASTORE_CFG_FILENAME: &str = "/etc/proxmox-backup/datastore.cfg";
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pub const DATASTORE_CFG_LOCKFILE: &str = "/etc/proxmox-backup/.datastore.lck";
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/// Get exclusive lock
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pub fn lock_config() -> Result<BackupLockGuard, Error> {
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open_backup_lockfile(DATASTORE_CFG_LOCKFILE, None, true)
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}
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pub fn config() -> Result<(SectionConfigData, [u8;32]), Error> {
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let content = proxmox::tools::fs::file_read_optional_string(DATASTORE_CFG_FILENAME)?
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.unwrap_or_else(|| "".to_string());
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let digest = openssl::sha::sha256(content.as_bytes());
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let data = CONFIG.parse(DATASTORE_CFG_FILENAME, &content)?;
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Ok((data, digest))
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}
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pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {
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let raw = CONFIG.write(DATASTORE_CFG_FILENAME, &config)?;
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replace_backup_config(DATASTORE_CFG_FILENAME, raw.as_bytes())
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}
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// shell completion helper
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pub fn complete_datastore_name(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
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match config() {
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Ok((data, _digest)) => data.sections.iter().map(|(id, _)| id.to_string()).collect(),
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Err(_) => return vec![],
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}
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}
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pub fn complete_acl_path(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
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let mut list = Vec::new();
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list.push(String::from("/"));
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list.push(String::from("/datastore"));
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list.push(String::from("/datastore/"));
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if let Ok((data, _digest)) = config() {
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for id in data.sections.keys() {
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list.push(format!("/datastore/{}", id));
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}
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}
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list.push(String::from("/remote"));
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list.push(String::from("/remote/"));
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list.push(String::from("/tape"));
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list.push(String::from("/tape/"));
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list.push(String::from("/tape/drive"));
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list.push(String::from("/tape/drive/"));
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list.push(String::from("/tape/changer"));
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list.push(String::from("/tape/changer/"));
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list.push(String::from("/tape/pool"));
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list.push(String::from("/tape/pool/"));
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list.push(String::from("/tape/job"));
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list.push(String::from("/tape/job/"));
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list
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}
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pub fn complete_calendar_event(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
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// just give some hints about possible values
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["minutely", "hourly", "daily", "mon..fri", "0:0"]
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.iter().map(|s| String::from(*s)).collect()
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}
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