proxmox-backup/src/config/jobs.rs

126 lines
3.3 KiB
Rust
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use anyhow::{bail, Error};
use lazy_static::lazy_static;
use std::collections::HashMap;
use serde::{Serialize, Deserialize};
use proxmox::api::{
api,
schema::*,
section_config::{
SectionConfig,
SectionConfigData,
SectionConfigPlugin,
}
};
use proxmox::tools::{fs::replace_file, fs::CreateOptions};
use crate::api2::types::*;
lazy_static! {
static ref CONFIG: SectionConfig = init();
}
#[api(
properties: {
id: {
schema: JOB_ID_SCHEMA,
},
store: {
schema: DATASTORE_SCHEMA,
},
remote: {
schema: REMOTE_ID_SCHEMA,
},
"remote-store": {
schema: DATASTORE_SCHEMA,
},
"remove-vanished": {
schema: REMOVE_VANISHED_BACKUPS_SCHEMA,
optional: true,
},
comment: {
optional: true,
schema: SINGLE_LINE_COMMENT_SCHEMA,
},
schedule: {
optional: true,
schema: GC_SCHEDULE_SCHEMA,
},
}
)]
#[serde(rename_all="kebab-case")]
#[derive(Serialize,Deserialize)]
/// Pull Job
pub struct PullJobConfig {
pub id: String,
pub store: String,
pub remote: String,
pub remote_store: String,
#[serde(skip_serializing_if="Option::is_none")]
pub remove_vanished: Option<bool>,
#[serde(skip_serializing_if="Option::is_none")]
pub comment: Option<String>,
#[serde(skip_serializing_if="Option::is_none")]
pub schedule: Option<String>,
}
fn init() -> SectionConfig {
let obj_schema = match PullJobConfig::API_SCHEMA {
Schema::Object(ref obj_schema) => obj_schema,
_ => unreachable!(),
};
let plugin = SectionConfigPlugin::new("pull".to_string(), Some(String::from("id")), obj_schema);
let mut config = SectionConfig::new(&JOB_ID_SCHEMA);
config.register_plugin(plugin);
config
}
pub const JOB_CFG_FILENAME: &str = "/etc/proxmox-backup/job.cfg";
pub const JOB_CFG_LOCKFILE: &str = "/etc/proxmox-backup/.job.lck";
pub fn config() -> Result<(SectionConfigData, [u8;32]), Error> {
let content = match std::fs::read_to_string(JOB_CFG_FILENAME) {
Ok(c) => c,
Err(err) => {
if err.kind() == std::io::ErrorKind::NotFound {
String::from("")
} else {
bail!("unable to read '{}' - {}", JOB_CFG_FILENAME, err);
}
}
};
let digest = openssl::sha::sha256(content.as_bytes());
let data = CONFIG.parse(JOB_CFG_FILENAME, &content)?;
Ok((data, digest))
}
pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {
let raw = CONFIG.write(JOB_CFG_FILENAME, &config)?;
let backup_user = crate::backup::backup_user()?;
let mode = nix::sys::stat::Mode::from_bits_truncate(0o0640);
// set the correct owner/group/permissions while saving file
// owner(rw) = root, group(r)= backup
let options = CreateOptions::new()
.perm(mode)
.owner(nix::unistd::ROOT)
.group(backup_user.gid);
replace_file(JOB_CFG_FILENAME, raw.as_bytes(), options)?;
Ok(())
}
// shell completion helper
pub fn complete_job_id(_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![],
}
}