Fix Repo Permission issues when viewing snapshots
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0b83b37a02
commit
1e3cb351e8
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@ -1,80 +1,167 @@
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#!/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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LOG_DIR="$HOME/mb-backups/logs"
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LOG_FILE="${LOG_DIR}/restic_snapshot.log"
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ERROR_LOG_FILE="${LOG_DIR}/restic_snapshot_error.log"
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# Ensure log directory exists
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mkdir -p "$LOG_DIR"
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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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# Error logging function
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log_error() {
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: $1" | tee -a "$ERROR_LOG_FILE"
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}
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# Function: Display usage and tags
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display_usage() {
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local tags
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tags=$(fetch_available_tags)
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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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if [ -z "$tags" ]; then
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echo " (No tags found or repository inaccessible)"
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else
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echo " all"
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echo "$tags" | sed 's/^/ /'
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fi
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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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# Function: Fetch available tags
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fetch_available_tags() {
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log_message "Fetching available tags..."
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local snapshot_json
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# Retrieve JSON snapshot data
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snapshot_json=$(RESTIC_PASSWORD=$(cat "$password_file") restic -r "$backupPath" snapshots --json 2>/dev/null)
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if [ $? -ne 0 ]; then
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log_error "Failed to retrieve snapshots. Check repository path or password."
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return 1
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fi
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# Extract unique tags from JSON data
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local tags
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tags=$(echo "$snapshot_json" | jq -r '.[].tags[]' 2>/dev/null | sort -u | uniq)
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if [ -z "$tags" ]; then
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log_message "No tags found in repository snapshots."
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fi
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echo "$tags"
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return 0
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}
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# Validate environment
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# Function: Validate repository access
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# Function: Validate repository access
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validate_repository() {
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log_message "Validating repository access..."
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# Check if repository path exists
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if [ ! -d "$backupPath" ]; then
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log_error "Backup path '$backupPath' does not exist or is not accessible."
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echo "Restic repository path not found. Please verify that the path exists and is mounted."
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exit 1
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fi
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# Check if Restic can access the repository
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if ! RESTIC_PASSWORD=$(cat "$password_file") restic -r "$backupPath" snapshots &>/dev/null; then
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# Attempt to fix permissions automatically
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log_message "Attempting to fix permissions for '$backupPath'..."
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sudo chown -R $(whoami):$(whoami) "$backupPath"
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sudo chmod -R u+rw "$backupPath"
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# Retry repository validation
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if ! RESTIC_PASSWORD=$(cat "$password_file") restic -r "$backupPath" snapshots &>/dev/null; then
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log_error "Unable to access Restic repository at '$backupPath'."
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echo "Restic repository is inaccessible. Please check the path, permissions, or mount status."
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exit 1
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fi
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fi
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log_message "Repository access validated successfully."
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}
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# Function: Fix permissions if necessary
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fix_permissions() {
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log_message "Checking permissions for '$backupPath'..."
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if [ ! -r "$backupPath" ] || [ ! -w "$backupPath" ]; then
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log_message "Fixing permissions for '$backupPath'..."
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sudo chown -R $(whoami):$(whoami) "$backupPath"
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sudo chmod -R u+rw "$backupPath"
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fi
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}
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# Function: Display all snapshots
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display_all_snapshots() {
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log_message "Retrieving all snapshots..."
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if RESTIC_PASSWORD=$(cat "$password_file") restic -r "$backupPath" snapshots --json | jq -r '.[] | "\(.short_id) \(.time) \(.tags | join(", "))"' 2>/dev/null; then
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log_message "All snapshots displayed successfully."
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else
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log_error "Unable to retrieve all snapshots."
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exit 1
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fi
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}
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# Function: 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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log_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 '$backupPath' does not exist or is not accessible."
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log_error "Backup path '$backupPath' does not exist or is not accessible."
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exit 1
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fi
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validate_repository
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fix_permissions
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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 [ "$#" -ne 1 ]; then
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# If no arguments are provided, display usage
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if [ "$#" -eq 0 ]; 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 environment and dependencies
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validate_environment
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# Handle the special case for "all"
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if [ "$TAG" == "all" ]; then
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display_all_snapshots
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exit 0
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fi
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# Validate the tag
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if ! restic -r "$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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log_message "Validating tag '$TAG'..."
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local available_tags
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available_tags=$(fetch_available_tags)
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if ! echo "$available_tags" | grep -qw "$TAG"; then
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log_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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if RESTIC_PASSWORD=$(cat "$password_file") restic -r "$backupPath" snapshots --tag "$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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log_error "Unable to display snapshots for tag '$TAG'."
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exit 1
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fi
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}
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# Run validations and execute the main function
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validate_dependencies
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validate_environment
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# Run main function
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main "$@"
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