81 lines
2.2 KiB
Bash
81 lines
2.2 KiB
Bash
#!/bin/bash
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# Exit immediately on error
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set -e
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# Configuration
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backupPath='/mnt/backups'
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password_file="/etc/restic-password"
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LOG_FILE="/var/log/restic_snapshot.log"
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# Logging function
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log_message() {
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
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}
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# Function: Display usage
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display_usage() {
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echo "Usage: $0 <tag>"
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echo "Available tags:"
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restic -r "$RESTIC_REPOSITORY" snapshots --json 2>/dev/null | jq -r '.[].tags[]' | sort -u || echo "main_backup, wordpress_db, core_files, media_themes, full_backup"
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exit 1
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}
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# Ensure dependencies are installed
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validate_dependencies() {
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for cmd in restic jq; do
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if ! command -v "$cmd" &>/dev/null; then
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log_message "ERROR: Required command '$cmd' not found. Please install it."
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exit 1
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fi
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done
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}
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# Validate environment
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validate_environment() {
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if [ ! -f "$password_file" ]; then
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log_message "ERROR: Password file not found at $password_file"
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exit 1
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fi
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if [ ! -d "$backupPath" ]; then
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log_message "ERROR: Backup path '$backupPath' does not exist or is not accessible."
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exit 1
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fi
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}
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# Main script logic
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main() {
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# Ensure a tag is provided
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if [ "$#" -ne 1 ]; then
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display_usage
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fi
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# Assign input argument
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TAG=$1
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# Set Restic environment variables
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export RESTIC_REPOSITORY="$backupPath"
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export RESTIC_PASSWORD=$(cat "$password_file")
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# Validate the tag
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if ! restic -r "$RESTIC_REPOSITORY" snapshots --json 2>/dev/null | jq -e ".[] | select(.tags[] == \"$TAG\")" &>/dev/null; then
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log_message "ERROR: Unknown or unused tag '$TAG'."
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display_usage
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fi
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# Display snapshots for the provided tag
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log_message "Retrieving snapshots for tag '$TAG'..."
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if restic -r "$RESTIC_REPOSITORY" snapshots --tag "$TAG" --json | jq -r '.[] | "\(.short_id) \(.time) \(.tags | join(", "))"' 2>/dev/null; then
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log_message "Snapshots for tag '$TAG' displayed successfully."
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else
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log_message "ERROR: Unable to display snapshots for tag '$TAG'."
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exit 1
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fi
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}
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# Run validations and execute the main function
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validate_dependencies
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validate_environment
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main "$@"
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