generated from john/python-template
68 lines
2.1 KiB
Bash
68 lines
2.1 KiB
Bash
#!/usr/bin/env sh
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set -eu
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BACKUP_DIR="${BACKUP_DIR:-./data/backups}"
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RETENTION_DAYS="${BACKUP_RETENTION_DAYS:-14}"
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UPLOAD_DIR="${UPLOAD_DIR:-/app/uploads}"
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PROMPT_DIR="${PROMPT_DIR:-/app/prompts}"
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timestamp="$(date -u +%Y%m%d-%H%M%S)"
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postgres_file="postgres-${timestamp}.dump"
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manifest_file="backup-${timestamp}.manifest"
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mkdir -p "${BACKUP_DIR}"
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: "${POSTGRES_HOST:=postgres}"
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: "${POSTGRES_PORT:=5432}"
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if [ -z "${POSTGRES_DB:-}" ] || [ -z "${POSTGRES_USER:-}" ] || [ -z "${POSTGRES_PASSWORD:-}" ]; then
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echo "POSTGRES_DB, POSTGRES_USER, and POSTGRES_PASSWORD must be set." >&2
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exit 1
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fi
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if ! command -v pg_dump >/dev/null 2>&1; then
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echo "pg_dump is not installed in this environment." >&2
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exit 1
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fi
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PGPASSWORD="${POSTGRES_PASSWORD}" pg_dump \
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-h "${POSTGRES_HOST}" \
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-p "${POSTGRES_PORT}" \
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-U "${POSTGRES_USER}" \
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-d "${POSTGRES_DB}" \
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-Fc \
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> "${BACKUP_DIR}/${postgres_file}"
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cat > "${BACKUP_DIR}/${manifest_file}" <<EOF
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created_at_utc=${timestamp}
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postgres_dump=${postgres_file}
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backup_dir=${BACKUP_DIR}
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uploads_backup_dir=${BACKUP_DIR}/uploads
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prompts_backup_dir=${BACKUP_DIR}/prompts
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EOF
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find "${BACKUP_DIR}" -type f \( \
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-name 'postgres-*.dump' -o \
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-name 'backup-*.manifest' \
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\) -mtime +"${RETENTION_DAYS}" -delete
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uploads_backup_dir="${BACKUP_DIR}/uploads"
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mkdir -p "${uploads_backup_dir}/documents" "${uploads_backup_dir}/photos"
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if [ -f "${UPLOAD_DIR}/homepage.md" ] && [ ! -f "${uploads_backup_dir}/homepage.md" ]; then
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cp "${UPLOAD_DIR}/homepage.md" "${uploads_backup_dir}/homepage.md"
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fi
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if [ -d "${UPLOAD_DIR}/documents" ]; then
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cp -an "${UPLOAD_DIR}/documents/." "${uploads_backup_dir}/documents/"
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fi
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if [ -d "${UPLOAD_DIR}/photos" ]; then
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cp -an "${UPLOAD_DIR}/photos/." "${uploads_backup_dir}/photos/"
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fi
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prompts_backup_dir="${BACKUP_DIR}/prompts"
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mkdir -p "${prompts_backup_dir}"
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if [ -d "${PROMPT_DIR}" ]; then
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cp -a "${PROMPT_DIR}/." "${prompts_backup_dir}/"
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fi
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echo "Created backup set:"
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echo " ${BACKUP_DIR}/${postgres_file}"
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echo " ${BACKUP_DIR}/${manifest_file}"
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echo " ${uploads_backup_dir}/ (incremental uploads mirror)"
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echo " ${prompts_backup_dir}/ (prompts mirror)"
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