backup-mail: Adding first version of backup-mail script, service and timer.

3 files changed, 99 insertions, 0 deletions

diff --git a/scripts/backup-mail b/scripts/backup-mail
new file mode 100755
index 0000000..c37af58
--- /dev/null
+++ b/scripts/backup-mail
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+timestamp="$(date +"%Y%m%d-%H%M%S")-"
+
+# If the backup location doesn't exist yet, create it
+if [ ! -d $mail_folder_destination ]; then
+  mkdir -p $mail_folder_destination
+fi
+
+# If the parent directory of the backup source exists, enter it
+if [ -d $mail_folder_source ]; then
+  cd $mail_folder_source
+else
+  exit 1
+fi
+
+# Loop through all subdirectories of $mail_folder_source
+for subfolder in $mail_folder_source*
+do
+  # use basename
+  subfolder=$(basename $subfolder)
+  # If it is a folder
+  if [ -d $subfolder ]; then
+    cd $subfolder
+    # If the backup location for that domain doesn't exist yet, create it
+    if [ ! -d $mail_folder_destination$subfolder ]; then
+      mkdir -p $mail_folder_destination$subfolder
+    fi
+    # Loop through all subsubdirectories (mailboxes) of $subfolder (domain name)
+    for subsubfolder in $mail_folder_source$subfolder/*
+    do
+      # use basename
+      subsubfolder=$(basename $subsubfolder)
+      echo "$subsubfolder --> $mail_folder_destination$subfolder/$timestamp$subsubfolder$tar_suffix$gpg_suffix"
+      # tar to /tmp
+      tar cfJ $tmp$timestamp$subsubfolder$tar_suffix $subsubfolder
+      # gpg to backup location
+      gpg -e \
+        -r "$gpg_public_key" \
+        -o "$mail_folder_destination$subfolder/$timestamp$subsubfolder$tar_suffix$gpg_suffix" \
+        $tmp$timestamp$subsubfolder$tar_suffix
+      # remove tar in /tmp
+      rm -f $tmp$timestamp$subsubfolder$tar_suffix
+    done
+  fi
+done
+
+# Backup mailman mailing lists
+# If the backup location doesn't exist yet, create it
+if [ ! -d $mailman_folder_destination ]; then
+  mkdir -p $mailman_folder_destination
+fi
+
+# If the parent directory of the backup source exists, enter it
+if [ -d $mailman_folder_source ]; then
+  cd $mailman_folder_source
+else
+  exit 1
+fi
+# Loop through all subdirectories of $mailman_folder_source
+for subfolder in $mailman_folder_source*
+do
+  # use basename
+  subfolder=$(basename $subfolder)
+  if [ $subfolder = archives ] || [ $subfolder = data ] || [ $subfolder = lists ]; then
+    echo "$subfolder --> $mailman_folder_destination$timestamp$subfolder$tar_suffix$gpg_suffix"
+    # tar to /tmp
+    tar cfJ "$tmp$timestamp$subfolder$tar_suffix" $subfolder
+    # gpg to backup location
+    gpg -e \
+      -r "$gpg_public_key" \
+      -o $mailman_folder_destination$timestamp$subfolder$tar_suffix$gpg_suffix \
+      $tmp$timestamp$subfolder$tar_suffix
+    # remove tar in /tmp
+    rm -f $tmp$timestamp$subfolder$tar_suffix
+  fi
+done
+
diff --git a/system/backup-mail.service b/system/backup-mail.service
new file mode 100644
index 0000000..b211205
--- /dev/null
+++ b/system/backup-mail.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Backup mail accounts and mailman mailing lists
+ConditionFileIsExecutable=/usr/lib/systemd/scripts/backup-mail
+
+[Service]
+EnvironmentFile=/etc/backup-settings
+Nice=19
+IOSchedulingClass=2
+IOSchedulingPriority=7
+ExecStart=/usr/lib/systemd/scripts/backup-mail
+
diff --git a/system/backup-mail.timer b/system/backup-mail.timer
new file mode 100644
index 0000000..22367df
--- /dev/null
+++ b/system/backup-mail.timer
@@ -0,0 +1,10 @@
+[Unit]
+Description=Backup mail and mailman every first day of the month
+
+[Timer]
+# Every 1st of each month at 5:00
+OnCalendar=*-*-1 05:00
+Persistent=true
+
+[Install]
+WantedBy=timers.target