From 8a74f4162febd9caaf94473fd8c1348fec98d897 Mon Sep 17 00:00:00 2001
From: flashwave <me@flash.moe>
Date: Tue, 5 Sep 2023 14:31:41 +0000
Subject: [PATCH] Initial import.

---
 .gitattributes    |  1 +
 .gitignore        |  7 +++++++
 LICENCE           | 12 ++++++++++++
 README.md         |  5 +++++
 config.sh.example |  9 +++++++++
 db-backup.sh      | 41 +++++++++++++++++++++++++++++++++++++++++
 6 files changed, 75 insertions(+)
 create mode 100644 .gitattributes
 create mode 100644 .gitignore
 create mode 100644 LICENCE
 create mode 100644 README.md
 create mode 100755 config.sh.example
 create mode 100755 db-backup.sh

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..176a458
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7d82ad0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+[Tt]humbs.db
+[Dd]esktop.ini
+.DS_Store
+.vscode/
+.vs/
+.idea/
+/config.sh
diff --git a/LICENCE b/LICENCE
new file mode 100644
index 0000000..a668262
--- /dev/null
+++ b/LICENCE
@@ -0,0 +1,12 @@
+Copyright (c) 2023, flashwave <me@flash.moe>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..cc3ef4f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# Backup Tools
+
+This repository is the replacement for the old C# Backup Manager program.
+
+After reducing the amount of things the backup program was doing, I realised it made much more sense to just use Bash scripts to achieve the same thing, so here we are.
diff --git a/config.sh.example b/config.sh.example
new file mode 100755
index 0000000..202cc45
--- /dev/null
+++ b/config.sh.example
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# Credentials for a MariaDB user with the following grant:
+# GRANT SELECT, LOCK TABLES, SHOW VIEW, SHOW DATABASES, EVENT, TRIGGER, EXECUTE  ON *.* TO 'user'@'localhost';
+mariadb_user="username"
+mariadb_pass="password"
+
+# Path to where to storage the finished archives. Obviously you should move these to a more permanent location afterwards.
+db_backups_depot="/path/to/backup/storage"
diff --git a/db-backup.sh b/db-backup.sh
new file mode 100755
index 0000000..2caee45
--- /dev/null
+++ b/db-backup.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+filename="$(hostname) $(date +'%Y-%m-%d %H%M%S')"
+skip_dbs=("mysql" "information_schema" "performance_schema" "sys")
+tmpdir="/tmp/fw-db-backup"
+workdir="$tmpdir/$filename"
+mariadb_user=""
+mariadb_pass=""
+db_backups_depot="."
+
+if [ ! -e config.sh ]; then
+    echo "config.sh not found, copy config.sh.example if you haven't yet"
+    exit 1
+fi
+
+source ./config.sh
+
+echo "Resetting temp directory..."
+rm -rf "$tmpdir"
+mkdir -p "$workdir"
+
+dbs=$(mysql -u "$mariadb_user" -p"$mariadb_pass" --skip-column-names -e "SHOW DATABASES")
+
+for db in $dbs; do
+    if [[ " ${skip_dbs[@]} " =~ " $db " ]]; then
+        continue
+    fi
+
+    echo "Dumping $db.sql..."
+    mysqldump --default-character-set=utf8mb4 --single-transaction \
+        --tz-utc --triggers --routines --hex-blob --add-locks \
+        --order-by-primary --skip-lock-tables -QqB \
+        -u "$mariadb_user" -p"$mariadb_pass" \
+        --result-file="$workdir/$db.sql" $db
+done;
+
+echo "Creating package..."
+tar -cjvf "$db_backups_depot/$filename.tar.bz2" -C "$tmpdir/" "$filename"
+
+echo "Cleaning up..."
+rm -r "$tmpdir"