56 lines
1.7 KiB
Bash
Executable File
56 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ==============================================================================
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# Web Instance Backup Script
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# ==============================================================================
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# Requires --dir to identify which instance to back up.
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# No pre-backup commands — just static files.
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#
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# Usage: backup-web.sh --dir acme
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# backup-web.sh --dir acme --cold
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# ==============================================================================
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "${SCRIPT_DIR}/common.sh"
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parse_args "$@"
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[[ -n "$ARG_DIR" ]] || fatal "--dir is required. Example: $0 --dir acme"
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DIR_NAME="$ARG_DIR"
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BASE_DIR="/opt/${DIR_NAME}"
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CONFIG_NAME="web-${DIR_NAME}"
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BACKUP_DIR="/opt/backup"
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STAMP="$(date +%Y%m%d-%H%M%S)"
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BACKUP_FILE="${BACKUP_DIR}/backup-${DIR_NAME}-${STAMP}.tar.gz"
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[[ -d "$BASE_DIR" ]] || fatal "Web instance '${DIR_NAME}' is not deployed at ${BASE_DIR}."
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mkdir -p "$BACKUP_DIR"
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# --- Cold backup: stop container ---
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if [[ "$ARG_COLD" == "1" ]]; then
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info "Running cold backup (stopping container)..."
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(cd "$BASE_DIR" && docker compose down)
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fi
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# --- Create archive ---
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info "Creating archive..."
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tar czf "$BACKUP_FILE" -C / \
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"opt/${DIR_NAME}" \
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"opt/traefik/dynamic/${CONFIG_NAME}.yml" 2>/dev/null || \
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tar czf "$BACKUP_FILE" -C / \
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"opt/${DIR_NAME}"
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# --- Cold: restart ---
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if [[ "$ARG_COLD" == "1" ]]; then
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(cd "$BASE_DIR" && docker compose up -d)
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ok "Container restarted."
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fi
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# --- Rotate old backups (keep last 5) ---
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# shellcheck disable=SC2012
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ls -t "${BACKUP_DIR}/backup-${DIR_NAME}-"*.tar.gz 2>/dev/null | tail -n +6 | xargs -r rm --
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ok "Backup: ${BACKUP_FILE} ($(du -h "$BACKUP_FILE" | cut -f1))"
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