From 4f5466efe1d2650fe29af37816b48f0e1a6e0aa7 Mon Sep 17 00:00:00 2001
From: Nils <git@nkn-it.de>
Date: Sat, 15 Oct 2022 11:30:01 +0200
Subject: [PATCH] mydumper

---
 README.md   | 21 ++++++++++++
 mydumper.sh | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 113 insertions(+)
 create mode 100644 mydumper.sh

diff --git a/README.md b/README.md
index 7121cf9..109a347 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,27 @@ Used in Ansible Playbook:
     line: "MY_DIR={{ mysql_backup_dir }}"
 ```
 
+## MyDumper
+
+* `mydumper.sh` - Run `mydumper` and save either in folder `[NUMBER]A` or `[NUMBER]B`.
+
+Used in Ansible Playbook:
+```yml
+- name: MyDumper - Download script
+  ansible.builtin.get_url:
+    url: https://raw.githubusercontent.com/Cyclenerd/toolbox/master/mydumper.sh
+    dest: /root/mydumper.sh
+    mode: '0755'
+    owner: root
+    group: root
+
+- name: MyDumper - Change MY_DIR in script
+  ansible.builtin.lineinfile:
+    path: /root/mydumper.sh
+    regexp: '^MY_DIR'
+    line: "MY_DIR={{ mysql_backup_dir }}"
+```
+
 ## License
 
 GNU Public License version 3.
diff --git a/mydumper.sh b/mydumper.sh
new file mode 100644
index 0000000..f995384
--- /dev/null
+++ b/mydumper.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# Run mydumper and save either in folder [NUMBER]A or [NUMBER]B.
+# If successful, delete the other folder (A or B).
+
+# Configuration file ~/.my.conf:
+#
+# [mydumper]
+# host=127.0.0.1
+# user=root
+# password=[PASSWORD]
+# 
+# [myloader]
+# host=127.0.0.1
+# user=root
+# password=[PASSWORD]
+
+ME=$(basename "$0")
+MY_DIR="/mnt/usb_wd_4tb_crypt/backup"
+
+function usage {
+    returnCode="$1"
+    echo
+    echo -e "Usage: 
+    $ME -d <DIR> -n <NUMBER>] [-h]
+    -d <DIR>    Backup directory (Default: '$MY_DIR')
+    -n <NUMBER> Folder number
+    [-h]        Displays help (this message)"
+    echo
+    exit "$returnCode"
+}
+
+while getopts "d:n:h" opt; do
+    case $opt in
+    d)
+        MY_DIR="$OPTARG"
+        ;;
+    n)
+        MY_NUMBER="$OPTARG"
+        ;;
+    h)
+        usage 0
+        ;;
+    *)
+        usage 1
+        ;;
+    esac
+done
+
+command -v mydumper >/dev/null 2>&1 || { echo >&2 "!!! Error !!! mydumper it's not installed."; exit 1; }
+
+if ((MY_NUMBER >= 1)); then
+    echo "Folder number: $MY_NUMBER"
+else
+    echo "Folder number for backup missing"
+    exit 3
+fi
+
+if [ -d "$MY_DIR" ]; then
+    MY_DIR=${MY_DIR%/}
+    echo "Backup dir: $MY_DIR"
+else
+    echo "Backup dir missing or directory '$MY_DIR' does not exists."
+    exit 2
+fi
+
+MY_BACKUP_DIR_A="$MY_DIR""/""$MY_NUMBER""A"
+MY_BACKUP_DIR_B="$MY_DIR""/""$MY_NUMBER""B"
+
+if [ -d "$MY_BACKUP_DIR_A" ]; then
+    mkdir -p "$MY_BACKUP_DIR_B"
+    echo "Backup to: $MY_BACKUP_DIR_B"
+        if mydumper --outputdir "$MY_BACKUP_DIR_B"; then
+        echo "Success. Delete old backup."
+        rm -rf "$MY_BACKUP_DIR_A"
+    else
+        echo "!!! Error !!! Delete current and errored backup."
+        rm -rf "$MY_BACKUP_DIR_B"
+        exit 9
+    fi
+else
+    mkdir -p "$MY_BACKUP_DIR_A"
+    echo "Backup to: $MY_BACKUP_DIR_A"
+    if mydumper --outputdir "$MY_BACKUP_DIR_A"; then
+        echo "Success. Delete old backup."
+        rm -rf "$MY_BACKUP_DIR_B"
+    else
+        echo "!!! Error !!! Delete current and errored backup."
+        rm -rf "$MY_BACKUP_DIR_A"
+        exit 9
+    fi
+fi
\ No newline at end of file