src/config/jobs.rs: use SectionConfig for jobs
This commit is contained in:
Dietmar Maurer
parent
c681885227
commit
b4900286ce
@ -394,11 +394,9 @@ pub async fn pull_store(
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"remote-store": {
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schema: DATASTORE_SCHEMA,
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},
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delete: {
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description: "Delete vanished backups. This remove the local copy if the remote backup was deleted.",
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type: Boolean,
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"remove-vanished": {
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schema: REMOVE_VANISHED_BACKUPS_SCHEMA,
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optional: true,
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default: true,
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},
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},
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},
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@ -416,7 +414,7 @@ async fn pull (
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store: String,
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remote: String,
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remote_store: String,
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delete: Option<bool>,
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remove_vanished: Option<bool>,
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_info: &ApiMethod,
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rpcenv: &mut dyn RpcEnvironment,
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) -> Result<String, Error> {
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@ -427,7 +425,7 @@ async fn pull (
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user_info.check_privs(&username, &["datastore", &store], PRIV_DATASTORE_BACKUP, false)?;
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user_info.check_privs(&username, &["remote", &remote, &remote_store], PRIV_REMOTE_READ, false)?;
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let delete = delete.unwrap_or(true);
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let delete = remove_vanished.unwrap_or(true);
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if delete {
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user_info.check_privs(&username, &["datastore", &store], PRIV_DATASTORE_PRUNE, false)?;
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@ -303,6 +303,17 @@ pub const REMOTE_ID_SCHEMA: Schema = StringSchema::new("Remote ID.")
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.max_length(32)
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.schema();
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pub const JOB_ID_SCHEMA: Schema = StringSchema::new("Job ID.")
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.format(&PROXMOX_SAFE_ID_FORMAT)
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.min_length(3)
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.max_length(32)
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.schema();
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pub const REMOVE_VANISHED_BACKUPS_SCHEMA: Schema = BooleanSchema::new(
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"Delete vanished backups. This remove the local copy if the remote backup was deleted.")
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.default(true)
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.schema();
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pub const SINGLE_LINE_COMMENT_SCHEMA: Schema = StringSchema::new("Comment (single line).")
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.format(&SINGLE_LINE_COMMENT_FORMAT)
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.schema();
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@ -1,160 +1,125 @@
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use anyhow::{bail, Error};
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use regex::Regex;
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use lazy_static::lazy_static;
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use std::collections::HashMap;
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use serde::{Serialize, Deserialize};
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use proxmox::api::section_config::SectionConfigData;
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use proxmox::api::{
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api,
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schema::*,
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section_config::{
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SectionConfig,
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SectionConfigData,
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SectionConfigPlugin,
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}
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};
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use crate::PROXMOX_SAFE_ID_REGEX_STR;
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use crate::tools::systemd::config::*;
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use crate::tools::systemd::types::*;
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use proxmox::tools::{fs::replace_file, fs::CreateOptions};
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const SYSTEMD_CONFIG_DIR: &str = "/etc/systemd/system";
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use crate::api2::types::*;
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#[derive(Debug)]
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pub enum JobType {
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GarbageCollection,
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Prune,
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lazy_static! {
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static ref CONFIG: SectionConfig = init();
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}
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#[derive(Debug)]
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pub struct CalenderTimeSpec {
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pub hour: u8, // 0-23
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#[api(
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properties: {
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id: {
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schema: JOB_ID_SCHEMA,
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},
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store: {
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schema: DATASTORE_SCHEMA,
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},
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remote: {
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schema: REMOTE_ID_SCHEMA,
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},
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"remote-store": {
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schema: DATASTORE_SCHEMA,
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},
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"remove-vanished": {
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schema: REMOVE_VANISHED_BACKUPS_SCHEMA,
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optional: true,
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},
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comment: {
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optional: true,
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schema: SINGLE_LINE_COMMENT_SCHEMA,
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},
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schedule: {
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optional: true,
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schema: GC_SCHEDULE_SCHEMA,
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},
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}
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)]
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#[serde(rename_all="kebab-case")]
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#[derive(Serialize,Deserialize)]
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/// Pull Job
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pub struct PullJobConfig {
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pub id: String,
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pub store: String,
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pub remote: String,
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pub remote_store: String,
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#[serde(skip_serializing_if="Option::is_none")]
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pub remove_vanished: Option<bool>,
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#[serde(skip_serializing_if="Option::is_none")]
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pub comment: Option<String>,
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#[serde(skip_serializing_if="Option::is_none")]
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pub schedule: Option<String>,
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}
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#[derive(Debug)]
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pub struct JobListEntry {
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job_type: JobType,
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id: String,
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}
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pub fn list_jobs() -> Result<Vec<JobListEntry>, Error> {
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lazy_static!{
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static ref PBS_JOB_REGEX: Regex = Regex::new(
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concat!(r"^pbs-(gc|prune)-(", PROXMOX_SAFE_ID_REGEX_STR!(), ").timer$")
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).unwrap();
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}
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let mut list = Vec::new();
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for entry in crate::tools::fs::read_subdir(libc::AT_FDCWD, SYSTEMD_CONFIG_DIR)? {
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let entry = entry?;
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let file_type = match entry.file_type() {
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Some(file_type) => file_type,
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None => bail!("unable to detect file type"),
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};
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if file_type != nix::dir::Type::File { continue; };
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let file_name = entry.file_name().to_bytes();
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if file_name == b"." || file_name == b".." { continue; };
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let name = match std::str::from_utf8(file_name) {
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Ok(name) => name,
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Err(_) => continue,
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};
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let caps = match PBS_JOB_REGEX.captures(name) {
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Some(caps) => caps,
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None => continue,
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};
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// fixme: read config data ?
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//let config = parse_systemd_timer(&format!("{}/{}", SYSTEMD_CONFIG_DIR, name))?;
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match (&caps[1], &caps[2]) {
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("gc", store) => {
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list.push(JobListEntry {
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job_type: JobType::GarbageCollection,
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id: store.to_string(),
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});
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}
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("prune", store) => {
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list.push(JobListEntry {
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job_type: JobType::Prune,
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id: store.to_string(),
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});
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}
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fn init() -> SectionConfig {
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let obj_schema = match PullJobConfig::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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}
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};
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Ok(list)
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let plugin = SectionConfigPlugin::new("pull".to_string(), Some(String::from("id")), obj_schema);
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let mut config = SectionConfig::new(&JOB_ID_SCHEMA);
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config.register_plugin(plugin);
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config
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}
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pub fn new_systemd_service_config(
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unit: &SystemdUnitSection,
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service: &SystemdServiceSection,
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) -> Result<SectionConfigData, Error> {
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pub const JOB_CFG_FILENAME: &str = "/etc/proxmox-backup/job.cfg";
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pub const JOB_CFG_LOCKFILE: &str = "/etc/proxmox-backup/.job.lck";
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let mut config = SectionConfigData::new();
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config.set_data("Unit", "Unit", unit)?;
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config.record_order("Unit");
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config.set_data("Service", "Service", service)?;
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config.record_order("Service");
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Ok(config)
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}
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pub fn new_systemd_timer_config(
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unit: &SystemdUnitSection,
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timer: &SystemdTimerSection,
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install: &SystemdInstallSection,
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) -> Result<SectionConfigData, Error> {
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let mut config = SectionConfigData::new();
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config.set_data("Unit", "Unit", unit)?;
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config.record_order("Unit");
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config.set_data("Timer", "Timer", timer)?;
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config.record_order("Timer");
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config.set_data("Install", "Install", install)?;
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config.record_order("Install");
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Ok(config)
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}
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pub fn create_garbage_collection_job(
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schedule: CalenderTimeSpec,
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store: &str,
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) -> Result<(), Error> {
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if schedule.hour > 23 {
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bail!("inavlid time spec: hour > 23");
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pub fn config() -> Result<(SectionConfigData, [u8;32]), Error> {
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let content = match std::fs::read_to_string(JOB_CFG_FILENAME) {
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Ok(c) => c,
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Err(err) => {
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if err.kind() == std::io::ErrorKind::NotFound {
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String::from("")
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} else {
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bail!("unable to read '{}' - {}", JOB_CFG_FILENAME, err);
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}
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}
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let description = format!("Proxmox Backup Server Garbage Collection Job '{}'", store);
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let unit = SystemdUnitSection {
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Description: description.clone(),
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ConditionACPower: Some(true),
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..Default::default()
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};
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let cmd = format!("/usr/sbin/proxmox-backup-manager garbage-collection start {} --output-format json", store);
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let service = SystemdServiceSection {
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Type: Some(ServiceStartup::Oneshot),
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ExecStart: Some(vec![cmd]),
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..Default::default()
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};
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let digest = openssl::sha::sha256(content.as_bytes());
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let data = CONFIG.parse(JOB_CFG_FILENAME, &content)?;
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Ok((data, digest))
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}
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let service_config = new_systemd_service_config(&unit, &service)?;
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pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {
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let raw = CONFIG.write(JOB_CFG_FILENAME, &config)?;
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let timer = SystemdTimerSection {
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OnCalendar: Some(vec![format!("{}:00", schedule.hour)]),
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..Default::default()
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};
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let backup_user = crate::backup::backup_user()?;
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let mode = nix::sys::stat::Mode::from_bits_truncate(0o0640);
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// set the correct owner/group/permissions while saving file
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// owner(rw) = root, group(r)= backup
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let options = CreateOptions::new()
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.perm(mode)
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.owner(nix::unistd::ROOT)
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.group(backup_user.gid);
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let install = SystemdInstallSection {
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WantedBy: Some(vec![String::from("timers.target")]),
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..Default::default()
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};
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let timer_config = new_systemd_timer_config(&unit, &timer, &install)?;
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let basename = format!("{}/pbs-gc-{}", SYSTEMD_CONFIG_DIR, store);
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let timer_fn = format!("{}.timer", basename);
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let service_fn = format!("{}.service", basename);
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save_systemd_service(&service_fn, &service_config)?;
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save_systemd_timer(&timer_fn, &timer_config)?;
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replace_file(JOB_CFG_FILENAME, raw.as_bytes(), options)?;
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Ok(())
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}
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// shell completion helper
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pub fn complete_job_id(_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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