✨ restic

config.toml

@@ -96,3 +96,32 @@
 # keep_weekly = 4
 # keep_monthly = 6
 # keep_yearly = 2
+
+# Restic Operation
+# [[restic]]
+# repo = "/backup/repo.restic"
+# passphrase = "password"
+# src = [
+#   "/dir"
+# ]
+
+# exclude = [
+#     "/exclude"
+# ]
+
+# exclude_caches = true
+# exclude_if_present = [
+#     ".nobk"
+# ]
+# reread = true
+# one_file_system = true
+# concurrency = 4
+# tags = [
+#     "tag1"
+# ]
+
+# compression = "auto"
+
+# ensure_exists = "/dir"
+# cephfs_snap = true
+# same_path = true

src/backup.rs

@@ -3,7 +3,7 @@ use yansi::{Color, Paint};
 use crate::{
     borg,
     config::{Config, RsyncConfig},
-    run_command,
+    restic, run_command,
 };
 
 pub fn ensure_exists(dir: &str) {
@@ -71,6 +71,10 @@ pub fn run_backup(conf: Config) {
         borg::create_archive(borg);
     }
 
+    for restic in &conf.restic.unwrap_or_default() {
+        restic::create_archive(restic);
+    }
+
     for prune in &conf.borg_prune.unwrap_or_default() {
         borg::prune_archive(prune);
     }

src/borg.rs

@@ -6,10 +6,6 @@ use crate::{
     run_command,
 };
 
-pub fn init_repo(path: &str) {
-    run_command(&["borg", "init", "--encryption=repokey-blake2", path], None);
-}
-
 pub fn bind_mount(src: &str, dst: &str) {
     run_command(&["mount", "--bind", src, dst], None);
 }
@@ -125,7 +121,12 @@ pub fn create_archive(conf: &BorgConfig) {
 
     cmd.extend(dirs.iter().map(|x| x.0.as_str()));
 
-    run_command(&cmd, conf.passphrase.clone());
+    run_command(
+        &cmd,
+        conf.passphrase
+            .clone()
+            .map(|pass| vec![("BORG_PASSPHRASE".to_string(), pass)]),
+    );
 
     for cleanup in &snaps {
         cephfs_snap_remove_dir(&cleanup.0);
@@ -194,10 +195,22 @@ pub fn prune_archive(conf: &BorgPruneConfig) {
         .unwrap_or_default();
     cmd.push(&binding);
 
-    run_command(&cmd, Some(conf.passphrase.clone()));
+    run_command(
+        &cmd,
+        Some(vec![(
+            "BORG_PASSPHRASE".to_string(),
+            conf.passphrase.clone(),
+        )]),
+    );
 
     let cmd = vec!["borg", "compact", &conf.repo];
-    run_command(&cmd, Some(conf.passphrase.clone()));
+    run_command(
+        &cmd,
+        Some(vec![(
+            "BORG_PASSPHRASE".to_string(),
+            conf.passphrase.clone(),
+        )]),
+    );
 }
 
 pub fn check_archive(conf: &BorgCheckConfig) {

src/config.rs

@@ -20,6 +20,9 @@ pub struct Config {
 
     /// Configuration for Borg prune jobs to manage repository snapshots.
     pub borg_prune: Option<Vec<BorgPruneConfig>>,
+
+    /// Configuration for Borg backup jobs.
+    pub restic: Option<Vec<ResticConfig>>,
 }
 
 /// Configuration for an individual rsync job.
@@ -139,3 +142,52 @@ pub struct BorgPruneConfig {
     /// Retain the last `n` yearly archives.
     pub keep_yearly: Option<u32>,
 }
+
+// TODO : restic support
+
+/// Configuration for an individual restic backup job.
+#[derive(Debug, Clone, Deserialize)]
+pub struct ResticConfig {
+    /// Borg repository path.
+    pub repo: String,
+
+    /// Optional passphrase for the repository.
+    pub passphrase: String,
+
+    /// List of source paths to include in the backup.
+    pub src: Vec<String>,
+
+    /// List of patterns to exclude from the backup.
+    pub exclude: Option<Vec<String>>,
+
+    /// Cache directories marked with CACHEDIR.TAG will be excluded
+    pub exclude_caches: Option<bool>,
+
+    /// Reread all files even if unchanged
+    pub reread: Option<bool>,
+
+    /// List of marker files; directories containing these will be excluded.
+    pub exclude_if_present: Option<Vec<String>>,
+
+    /// Whether to limit the backup to a single filesystem.
+    pub one_file_system: Option<bool>,
+
+    /// Read concurrency
+    pub concurrency: Option<u64>,
+
+    /// Optional comment to associate with the backup.
+    pub tags: Option<Vec<String>>,
+
+    /// Compression mode to use for the backup.
+    // TODO :
+    pub compression: Option<String>,
+
+    /// Ensure a specific directory exists before running the backup.
+    pub ensure_exists: Option<String>,
+
+    /// Create CephFS snapshots before the backup.
+    pub cephfs_snap: Option<bool>,
+
+    /// Bind mount to consistent path
+    pub same_path: Option<bool>,
+}

src/main.rs

@@ -4,17 +4,14 @@ use yansi::{Color, Paint};
 mod backup;
 mod borg;
 mod config;
+mod restic;
+
+// TODO : add basic ctrl+c support for ending bk tasks instead of everything and ensure cleanups
 
 fn main() {
     let args = std::env::args().collect::<Vec<_>>();
 
     if let Some(conf) = args.get(1) {
-        if conf.as_str() == "init" {
-            let repo = args.get(2).unwrap();
-            borg::init_repo(repo);
-            std::process::exit(0);
-        }
-
         let conf = toml::from_str(&std::fs::read_to_string(conf).unwrap()).unwrap();
         run_backup(conf);
     } else {
@@ -22,7 +19,7 @@ fn main() {
     }
 }
 
-pub fn run_command(cmd: &[&str], borg_passphrase: Option<String>) -> (String, String) {
+pub fn run_command(cmd: &[&str], env: Option<Vec<(String, String)>>) -> (String, String) {
     println!("--> {} ", cmd.join(" ").paint(Color::Blue));
 
     let mut cmd_setup = std::process::Command::new(cmd[0]);
@@ -32,8 +29,10 @@ pub fn run_command(cmd: &[&str], borg_passphrase: Option<String>) -> (String, St
         .stdout(std::process::Stdio::inherit())
         .stdin(std::process::Stdio::inherit());
 
-    if let Some(pw) = borg_passphrase {
-        cmd_setup = cmd_setup.env("BORG_PASSPHRASE", pw);
+    if let Some(pw) = env {
+        for e in pw {
+            cmd_setup = cmd_setup.env(e.0, e.1);
+        }
     }
 
     let child = cmd_setup.spawn().unwrap();

src/restic.rs

@@ -0,0 +1,213 @@
+use yansi::{Color, Paint};
+
+use crate::{
+    backup::{cephfs_snap_create, cephfs_snap_remove_dir, ensure_exists, nowtime},
+    config::{BorgCheckConfig, BorgConfig, BorgPruneConfig, ResticConfig},
+    run_command,
+};
+
+pub fn bind_mount(src: &str, dst: &str) {
+    run_command(&["mount", "--bind", src, dst], None);
+}
+
+pub fn umount(mount: &str) {
+    run_command(&["umount", mount], None);
+}
+
+pub fn create_archive(conf: &ResticConfig) {
+    if let Some(dir) = &conf.ensure_exists {
+        ensure_exists(dir);
+    }
+
+    println!(
+        "--> Running backup for {}",
+        conf.src.join(",").paint(Color::Yellow),
+    );
+    println!("--> Creating restic archive");
+
+    let mut cmd = vec!["restic", "backup"];
+
+    let empty = Vec::new();
+    for ex in conf.exclude.as_ref().unwrap_or(&empty) {
+        cmd.push("--exclude");
+        cmd.push(ex);
+    }
+
+    for ex in conf.exclude_if_present.as_ref().unwrap_or(&empty) {
+        cmd.push("--exclude-if-present");
+        cmd.push(ex);
+    }
+
+    if conf.one_file_system.unwrap_or_default() {
+        cmd.push("--one-file-system");
+    }
+
+    let c = conf.concurrency.unwrap_or(2).to_string();
+    cmd.push("--read-concurrency");
+    cmd.push(&c);
+
+    let tags = conf.tags.clone().unwrap_or_default();
+
+    for t in &tags {
+        cmd.push("--tag");
+        cmd.push(&t);
+    }
+
+    if conf.reread.unwrap_or_default() {
+        cmd.push("--force");
+    }
+
+    if conf.exclude_caches.unwrap_or_default() {
+        cmd.push("--exclude-caches");
+    }
+
+    // TODO : fix compression options
+    let zstd10 = "zstd,10".to_string();
+    let comp = conf.compression.as_ref().unwrap_or(&zstd10);
+    cmd.push("--compression");
+    cmd.push(comp);
+
+    cmd.push(&conf.repo);
+
+    let mut snaps = Vec::new();
+
+    if conf.cephfs_snap.unwrap_or_default() {
+        for path in &conf.src {
+            let snap = cephfs_snap_create(&path);
+            snaps.push((snap.0, snap.1, path));
+        }
+    }
+
+    let mut dirs = if snaps.is_empty() {
+        conf.src
+            .clone()
+            .into_iter()
+            .map(|x| (x.clone(), x))
+            .collect()
+    } else {
+        snaps
+            .iter()
+            .map(|x| (x.0.clone(), x.2.clone()))
+            .collect::<Vec<_>>()
+    };
+
+    let mut mounts = Vec::new();
+    if conf.same_path.unwrap_or_default() {
+        for (path, orig) in &dirs {
+            let name = orig.replace("/", "_");
+            println!("--> Creating consistent path /bk/{}", name);
+            std::fs::create_dir_all(&format!("/bk/{name}")).unwrap();
+            bind_mount(path, &format!("/bk/{name}"));
+            mounts.push((format!("/bk/{name}"), path.clone()));
+        }
+
+        dirs = mounts.clone();
+    }
+
+    cmd.extend(dirs.iter().map(|x| x.0.as_str()));
+
+    run_command(
+        &cmd,
+        Some(vec![(
+            "RESTIC_PASSWORD".to_string(),
+            conf.passphrase.clone(),
+        )]),
+    );
+
+    for cleanup in &snaps {
+        cephfs_snap_remove_dir(&cleanup.0);
+        println!("--> Cleaning up snap {}", cleanup.0);
+    }
+
+    for (cleanup, _) in &mounts {
+        println!("--> Cleaning up mount {}", cleanup);
+        umount(&cleanup);
+    }
+}
+
+// TODO : todo
+
+/*
+pub fn prune_archive(conf: &BorgPruneConfig) {
+    println!("--> Pruning borg repo {}", conf.repo.paint(Color::Yellow),);
+
+    let mut cmd = vec!["borg", "prune", "--stats", "--list"];
+
+    cmd.push(&conf.keep_within);
+
+    let binding = conf
+    .keep_last
+    .as_ref()
+    .map(|x| format!("--keep-last={x}"))
+    .unwrap_or_default();
+cmd.push(&binding);
+let binding = conf
+.keep_secondly
+.as_ref()
+.map(|x| format!("--keep-secondly={x}"))
+.unwrap_or_default();
+cmd.push(&binding);
+let binding = conf
+.keep_minutely
+.as_ref()
+.map(|x| format!("--keep-minutely={x}"))
+.unwrap_or_default();
+cmd.push(&binding);
+let binding = conf
+.keep_hourly
+.as_ref()
+        .map(|x| format!("--keep-hourly={x}"))
+        .unwrap_or_default();
+    cmd.push(&binding);
+    let binding = conf
+    .keep_daily
+    .as_ref()
+    .map(|x| format!("--keep-daily={x}"))
+    .unwrap_or_default();
+cmd.push(&binding);
+let binding = conf
+.keep_weekly
+.as_ref()
+.map(|x| format!("--keep-weekly={x}"))
+.unwrap_or_default();
+cmd.push(&binding);
+let binding = conf
+.keep_monthly
+.as_ref()
+.map(|x| format!("--keep-monthly={x}"))
+.unwrap_or_default();
+cmd.push(&binding);
+let binding = conf
+.keep_yearly
+.as_ref()
+.map(|x| format!("--keep-yearly={x}"))
+.unwrap_or_default();
+cmd.push(&binding);
+
+run_command(&cmd, Some(conf.passphrase.clone()));
+
+let cmd = vec!["borg", "compact", &conf.repo];
+run_command(&cmd, Some(conf.passphrase.clone()));
+}
+
+pub fn check_archive(conf: &BorgCheckConfig) {
+    println!("--> Checking borg repo {}", conf.repo.paint(Color::Yellow),);
+
+    let mut cmd = vec!["borg", "check"];
+
+    if conf.verify_data.unwrap_or_default() {
+        cmd.push("--verify-data");
+    } else {
+        cmd.push("--repository-only");
+        cmd.push("--archives-only");
+    }
+
+    if conf.repair.unwrap_or_default() {
+        cmd.push("--repair");
+    }
+
+    cmd.push(&conf.repo);
+
+    run_command(&cmd, None);
+}
+*/