Tomi Eckert
229683dfa5
Enhances 'aurora.sh' to fetch the original company name from the source schema and use it to construct a descriptive company name for the new Aurora schema (e.g., "AURORA - [Original Name] - [Date]"). Updates script version to 2.1.0.
120 lines
4.8 KiB
Bash
120 lines
4.8 KiB
Bash
#!/bin/sh
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# Version: 2.1.0
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#
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# Purpose: Performs an automated refresh of a SAP HANA schema. It exports a
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# production schema and re-imports it under a new name ("Aurora")
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# to create an up-to-date, non-production environment for testing.
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# Designed to be run via cron, typically in the early morning.
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#
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# -----------------------------------------------------------------------------
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# --- Basic Setup ---
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# Exit immediately if any command fails or if an unset variable is used.
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set -eu
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# --- Configuration ---
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# Load the configuration file located in the same directory as the script.
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SCRIPT_DIR=$(dirname "$0")
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CONFIG_FILE="${SCRIPT_DIR}/aurora.conf"
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if [ ! -f "$CONFIG_FILE" ]; then
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echo "❌ FATAL: Configuration file not found at '${CONFIG_FILE}'" >&2
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exit 1
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fi
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# shellcheck source=aurora.conf
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. "$CONFIG_FILE"
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# --- Validate Configuration ---
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if [ ! -x "$HDBSQL" ]; then
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echo "❌ FATAL: hdbsql is not found or not executable at '${HDBSQL}'" >&2
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exit 1
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fi
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# --- Derived Variables (Do Not Edit) ---
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TIMESTAMP=$(date "+%Y-%m-%d %H:%M:%S")
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AURORA_SCHEMA="${SOURCE_SCHEMA}_AURORA"
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EXPORT_DIR="${BACKUP_BASE_DIR}/${AURORA_SCHEMA}_TEMP_EXPORT"
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COMPANY_NAME_BASE=$(echo "${SOURCE_SCHEMA}" | sed 's/^SBO_//' | sed 's/_PROD$//')
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# --- Main Execution ---
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echo
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echo "🚀 [$(date "+%T")] Starting Aurora Refresh for '${SOURCE_SCHEMA}'"
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echo "--------------------------------------------------------"
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echo " Source Schema: ${SOURCE_SCHEMA}"
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echo " Target Aurora Schema: ${AURORA_SCHEMA}"
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echo " Temp Export Path: ${EXPORT_DIR}"
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echo "--------------------------------------------------------"
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# 1. Drop the old Aurora schema if it exists.
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echo "🗑️ Dropping old schema '${AURORA_SCHEMA}' (if it exists)..."
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"$HDBSQL" -U "$DB_ADMIN_KEY" "DROP SCHEMA \"${AURORA_SCHEMA}\" CASCADE" >/dev/null 2>&1 || echo " -> Schema did not exist. Continuing."
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# 2. Prepare the temporary export directory.
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echo "📁 Preparing temporary export directory..."
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rm -rf "$EXPORT_DIR"
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mkdir -p "$EXPORT_DIR"
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# 3. Export the source schema.
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echo "⬇️ Exporting source schema '${SOURCE_SCHEMA}' to binary files..."
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"$HDBSQL" -U "$DB_ADMIN_KEY" "EXPORT \"${SOURCE_SCHEMA}\".\"*\" AS BINARY INTO '${EXPORT_DIR}' WITH REPLACE;" >/dev/null
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echo " -> Export complete."
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# 4. Import the data into the new Aurora schema.
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echo "⬆️ Importing data and renaming schema to '${AURORA_SCHEMA}'..."
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"$HDBSQL" -U "$DB_ADMIN_KEY" "IMPORT \"${SOURCE_SCHEMA}\".\"*\" FROM '${EXPORT_DIR}' WITH IGNORE EXISTING RENAME SCHEMA \"${SOURCE_SCHEMA}\" TO \"${AURORA_SCHEMA}\";" >/dev/null
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echo " -> Import complete."
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# 5. Update company name in CINF and OADM tables.
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echo "✍️ Updating company name fields in the new schema..."
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# First, get the original company name from the source schema.
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# The query returns a header and the name in quotes. sed gets the second line, tr removes the quotes, xargs trims whitespace.
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echo " -> Fetching original company name from '${SOURCE_SCHEMA}'..."
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ORIGINAL_COMPNY_NAME=$("$HDBSQL" -U "$DB_ADMIN_KEY" "SELECT \"CompnyName\" FROM \"${SOURCE_SCHEMA}\".\"CINF\"" | sed -n '2p' | tr -d '"' | xargs)
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# Construct the new name in the desired format.
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DATE_STAMP=$(date "+%Y-%m-%d")
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NEW_COMPNY_NAME="AURORA - ${ORIGINAL_COMPNY_NAME} - ${DATE_STAMP}"
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echo " -> New company name set to: '${NEW_COMPNY_NAME}'"
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echo " -> Updating CINF table..."
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"$HDBSQL" -U "$DB_ADMIN_KEY" "UPDATE \"${AURORA_SCHEMA}\".CINF SET \"CompnyName\" = '${NEW_COMPNY_NAME}';" >/dev/null
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echo " -> Updating OADM table..."
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"$HDBSQL" -U "$DB_ADMIN_KEY" "UPDATE \"${AURORA_SCHEMA}\".OADM SET \"CompnyName\" = '${NEW_COMPNY_NAME}', \"PrintHeadr\" = '${NEW_COMPNY_NAME}';" >/dev/null
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echo " -> Company info updated."
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# 6. Grant privileges to the read/write user.
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echo "🔑 Granting ALL privileges on '${AURORA_SCHEMA}' to '${AURORA_USER}'..."
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"$HDBSQL" -U "$DB_ADMIN_KEY" "GRANT ALL PRIVILEGES ON SCHEMA \"${AURORA_SCHEMA}\" TO \"${AURORA_USER}\";" >/dev/null
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echo " -> Privileges granted."
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# 7. Run post-import SQL scripts, if any are defined.
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if [ -n "$POST_IMPORT_SQL" ]; then
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echo "⚙️ Running post-import SQL scripts..."
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# Use word splitting intentionally here
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# shellcheck disable=SC2086
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for sql_file in $POST_IMPORT_SQL; do
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full_path="${SQL_SCRIPTS_ROOT}/${sql_file}"
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if [ -f "$full_path" ]; then
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echo " -> Executing: ${sql_file}"
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"$HDBSQL" -U "$DB_ADMIN_KEY" -I "$full_path"
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else
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echo " -> ⚠️ WARNING: Script not found: ${full_path}" >&2
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fi
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done
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else
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echo "ℹ️ No post-import SQL scripts to run."
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fi
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# 8. Clean up the temporary export files.
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echo "🧹 Cleaning up temporary directory '${EXPORT_DIR}'..."
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rm -rf "$EXPORT_DIR"
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echo " -> Cleanup complete."
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echo "--------------------------------------------------------"
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echo "✅ [$(date "+%T")] Aurora Refresh finished successfully!"
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echo
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exit 0
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