From abd5af9ad21380f12aeacb2d7ed20c2ffc09cc0b Mon Sep 17 00:00:00 2001
From: korenstin <korenstin@crans.org>
Date: Sat, 10 Aug 2024 19:03:29 +0200
Subject: [PATCH] borg backup

---
 .gitignore              |  1 +
 shell/.env_borg_example |  3 +++
 shell/backup_db         | 17 +++++++++++------
 3 files changed, 15 insertions(+), 6 deletions(-)
 create mode 100644 shell/.env_borg_example

diff --git a/.gitignore b/.gitignore
index 285ae94..a9f76be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,7 @@ coverage
 
 # Local data
 secrets.py
+*/.env_borg
 *.log
 
 # Virtualenv
diff --git a/shell/.env_borg_example b/shell/.env_borg_example
new file mode 100644
index 0000000..6016444
--- /dev/null
+++ b/shell/.env_borg_example
@@ -0,0 +1,3 @@
+BORG_PASSPHRASE='CHANGE_ME'
+BORG_REPO='USER@SERVER:PATH'
+BACKUP_FILE='PATH'
diff --git a/shell/backup_db b/shell/backup_db
index 2160106..859a728 100755
--- a/shell/backup_db
+++ b/shell/backup_db
@@ -1,9 +1,14 @@
 #!/bin/bash
+export $(cat .env_borg | xargs)
+
 # Create temporary backups directory
 mkdir -p /tmp/note-backups
-date=$(date +%Y-%m-%d)
-# Backup database and save it as tar archive
-sudo -u postgres pg_dump -F t note_db > "/tmp/note-backups/$date.sql"
-# Compress backup as gzip
-gzip "/tmp/note-backups/$date.sql"
-scp "/tmp/note-backups/$date.sql.gz" "club-bde@zamok.crans.org:backup/$date.sql.gz"
+
+# Backup database
+sudo -u postgres pg_dump -F t note_db > $BACKUP_FILE
+
+# Keep the last 30 backups
+borg prune --keep-last 30
+
+# Save backup
+borg create --compression lz4 ::backup-{now} $BACKUP_FILE