feat: added support for the 'MailServer' backup config

src/backend/backup/worker/mod.rs

@@ -1,10 +1,11 @@
 use crate::backend::backup;
-use anyhow::{bail, Context, Result};
+use anyhow::{bail, Context, Error, Result};
 use log::{error, info};
 use sqlx::SqlitePool;
-use std::fs::File;
+use std::fs::{create_dir_all, remove_dir_all, File};
 use std::io::{copy, BufReader};
 use std::path::Path;
+use std::process::Command;
 use tokio::sync::mpsc;
 use walkdir::WalkDir;
 use zip::{write::FileOptions, CompressionMethod, ZipWriter};
@@ -12,6 +13,7 @@ use zip::{write::FileOptions, CompressionMethod, ZipWriter};
 fn add_dir_to_archive(
     archive: &mut ZipWriter<File>,
     dir: &Path,
+    base: &str,
     options: FileOptions,
 ) -> Result<()> {
     for entry in WalkDir::new(dir)
@@ -19,15 +21,19 @@ fn add_dir_to_archive(
         .into_iter()
         .filter_map(|e| e.ok())
     {
-        let file_type = entry.file_type();
-
-        if file_type.is_dir() {
-            archive.add_directory(entry.path().to_string_lossy(), options)?;
-        } else if file_type.is_file() {
-            archive.start_file(entry.path().to_string_lossy(), options)?;
-            let mut reader = BufReader::new(File::open(entry.path())?);
-            copy(&mut reader, archive)?;
+        if !entry.file_type().is_file() {
+            continue;
         }
+
+        archive.start_file(
+            format!(
+                "{base}/{}",
+                entry.path().strip_prefix(dir)?.to_string_lossy()
+            ),
+            options,
+        )?;
+        let mut reader = BufReader::new(File::open(entry.path())?);
+        copy(&mut reader, archive)?;
     }
     Ok(())
 }
@@ -47,13 +53,31 @@ fn perform_backup(backup: backup::Backup) -> Result<()> {
         add_dir_to_archive(
             &mut archive,
             &Path::new(&format!("{host}/etc/nginx")),
+            "nginx",
             options,
         )?;
     }
 
     if backup.config.mail_server {
         info!("Starting mail server backup...");
-        bail!("The config option 'mail_server' is not implemented yet!");
+        let dir = format!("{host}/opt/nerdcult/mailcow-dockerized/");
+        let tmp = format!("{}/tmp", env!("NC_AW_BACKUP_PATH"));
+        create_dir_all(&tmp)?;
+
+        let status = Command::new("bash")
+            .arg(format!("{dir}/helper-scripts/backup_and_restore.sh"))
+            .arg("backup")
+            .arg("all")
+            .env("MAILCOW_BACKUP_LOCATION", &tmp)
+            .status()?;
+
+        if !status.success() {
+            return Err(Error::msg("Failed to create mailcow backup}"));
+        }
+
+        add_dir_to_archive(&mut archive, &Path::new(&tmp), "mailcow", options)?;
+
+        remove_dir_all(&tmp)?;
     }
 
     if let Some(_cfg) = &backup.config.docker {

src/backend/mod.rs

@@ -32,7 +32,7 @@ pub async fn prepare(pool: &SqlitePool) -> Result<()> {
     .await?;
 
     if !tokio::fs::try_exists(env!("NC_AW_BACKUP_PATH")).await? {
-        tokio::fs::create_dir(env!("NC_AW_BACKUP_PATH")).await?;
+        tokio::fs::create_dir_all(env!("NC_AW_BACKUP_PATH")).await?;
     }
 
     Ok(())