add backup and notifier script

home_backup.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Run timed rsync backups using rsnapshot, executed via cron
+
+# Parameters
+# --- $1 = Time schedule ('hourly' | 'daily' | 'weekly' | 'monthly')
+
+USER=thomas
+export XDG_RUNTIME_DIR=/run/user/1000
+source /home/thomas/.env
+
+SCHEDULE=$1
+THIS_FILE=${0}
+SLACK_NOTIFIER="/home/thomas/repos/utilities/slack_notifier.sh"
+
+if mountpoint -q /media/samsung-T3; then
+	ERROR=$(sudo /usr/bin/rsnapshot -c /etc/rsnapshot.conf hourly 2>&1)
+	STATUS=$?
+	if [ $STATUS -ne 0 ]; then
+		$SLACK_NOTIFIER "backups" "error" "${SCHEDULE} /home backup failed" "$ERROR" "$THIS_FILE"
+	else
+		$SLACK_NOTIFIER "backups" "success" "${SCHEDULE} /home backup completed"
+	fi
+else
+	$SLACK_NOTIFIER "backups" "error" \
+		"${SCHEDULE} /home backup failed" "disk not mounted" \
+		"$THIS_FILE"
+fi

music_sync/backup_music_library.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+THIS_FILE=${0}
+SLACK_NOTIFIER="/home/thomas/repos/utilities/slack_notifier.sh"
+FILE_NAME=$(date +%Y-%m-%d_%H:%M:%S-%Z)
+BAK=$(ls -dt "/media/crucial/music/"*"music_lib_bak"* | head -n 1)
+TEMP="/media/crucial/music/temp"
+
+# Create new backup via Rsync for existing between music ssd and existing bak
+# file
+
+sudo rsync -rtv --progress --delete --no-perms --exclude='.Trash*' /media/samsung-T7/ "$BAK"
+STATUS=$?
+if [ $STATUS -ne 0 ]; then
+	$SLACK_NOTIFIER "backups" "error" \
+		"Error creating music library backup:" "problem with rsync." \
+		"$THIS_FILE"
+	exit
+fi
+
+# Rename the backup file with timestamp
+
+mv "$BAK" "$TEMP"
+STATUS_1=$?
+mv "$TEMP" "/media/crucial/music/music_lib_bak-$FILE_NAME"
+STATUS_2=$?
+if [ $STATUS_1 -ne 0 ] || [ $STATUS_2 -ne 0 ]; then
+	$SLACK_NOTIFIER "backups" "error" \
+		"Error creating music library backup:" "problem copying backup." \
+		"$THIS_FILE"
+	exit
+else
+	$SLACK_NOTIFIER "backups" "success" \
+		"Successfully created music library backup: /media/crucial/music/music_lib_bak-$FILE_NAME"
+fi

music_sync/transfer_to_DAP.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+SOURCE_DIR="/media/samsung-T7"
+DEST_DIR="/media/dap"
+
+# Ensure directories exist
+if [ ! -d "$SOURCE_DIR" ]; then
+	echo "ERROR: Source directory does not exist"
+	exit 1
+fi
+
+if [ ! -d "$DEST_DIR" ]; then
+	echo "ERROR: Destination directory does not exist"
+	exit 1
+fi
+
+# Sanitise track file names
+
+cd ${SOURCE_DIR} || exit
+sudo detox -r ${SOURCE_DIR}
+
+# Transfer to DAP
+sudo rsync -rtv --progress --delete --no-perms --exclude='.Trash*' "$SOURCE_DIR/" "$DEST_DIR/"

music_sync/update_music_library.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+BLUE='\033[0;34m'
+NO_COLOR='\033[0m'
+
+echo -e "${BLUE}INFO Syncing music library to DAP SD card...${NO_COLOR}"
+/home/thomas/repos/utilities/music_sync/transfer_to_DAP.sh
+
+sleep 3
+
+echo -e "${BLUE}INFO Backing up music library to additional external drive...${NO_COLOR}"
+/home/thomas/repos/utilities/music_sync/backup_music_library.sh
+
+echo -e "${BLUE}INFO Backup completed...${NO_COLOR}"

slack_notifier.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# Send error and success notifications to Slack channels and play sound
+
+# Env vars:
+# ---	Webhook URLs for given channel, eg $SLACK_WEBHOOK_TEST, $SLACK_WEBHOOK_EOLAS
+# --- sourced from `.env` file in Zsh path
+
+# Parameters:
+# --- $1 = Slack channel,
+# --- $2 = type 'error' | 'success'
+# --- $3 = Message
+# --- $4 = (Opt) Error details
+# --- $5 = (Opt) Error source
+
+# Usage:
+# --- ./slack_notifier.sh test 'SUCCESS: ...'
+# --- ./slack_notifier.sh test 'ERROR: ... ' 'Error details' 'source'
+
+declare -A CHANNEL_TO_WEBHOOK
+CHANNEL_TO_WEBHOOK["test"]=$SLACK_WEBHOOK_TEST
+CHANNEL_TO_WEBHOOK["backups"]=$SLACK_WEBHOOK_BACKUPS
+CHANNEL_TO_WEBHOOK["eolas"]=$SLACK_WEBHOOK_EOLAS
+CHANNEL_TO_WEBHOOK["website"]=$SLACK_WEBHOOK_SYSTEMS_OBSCURE
+CHANNEL_TO_WEBHOOK["time-tracking"]=$SLACK_WEBHOOK_TIME_TRACKING
+
+WEBHOOK=${CHANNEL_TO_WEBHOOK[$1]}
+
+ERROR_BLOCKS=$(
+	jq -n \
+		--arg channel "$1" \
+		--arg message "$3" \
+		--arg details "$4" \
+		--arg source "$5" \
+		'{
+			channel: $channel,
+			blocks: ([
+			{
+				type: "section",
+					text: {
+						type: "plain_text",
+						text: "🔴 \($message)" 
+					}
+				},
+				{
+					type: "section",
+					text: {
+						type: "mrkdwn",
+						text: "```\n\($details)\n```"
+					}
+				},
+				{
+					"type": "context",
+					"elements": [
+						{
+							"type": "plain_text",
+							text: $source
+						}
+					]
+				}
+			])
+	}'
+)
+
+# Initialise sound playback
+mpv --volume=0 --start=0 --length=0.1 /home/thomas/dotfiles/gruvbox-95/sounds/st-computer-on.mp3
+sleep 1
+
+# Process notification
+if [ "$2" != "error" ]; then
+	curl -X POST \
+		-H 'Content-type: application/json' \
+		--data '{"text":"🟢 '"$3"'"}' \
+		"$WEBHOOK"
+	mpv --volume=100 /home/thomas/dotfiles/sounds/star-trek-computer-success.mp3
+else
+	curl -X POST \
+		-H 'Content-type: application/json' \
+		--json "$ERROR_BLOCKS" \
+		"$WEBHOOK"
+	mpv --volume=100 /home/thomas/dotfiles/sounds/star-trek-computer-error.mp3
+fi