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templates/aurora.sh

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+#!/bin/bash
+# Version: 2.5.1
+# Author: Tomi Eckert
+# ==============================================================================
+# Aurora Refresh Script
+#
+# Performs an automated refresh of a SAP HANA schema using hanatool.sh.
+# It exports a production schema and re-imports it under a new name ("Aurora")
+# to create an up-to-date, non-production environment for testing.
+# ==============================================================================
+
+# --- Configuration and Setup ---
+
+# Find the script's own directory to locate the config file and hanatool.sh
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
+CONFIG_FILE="${SCRIPT_DIR}/aurora.conf"
+HANATOOL_PATH="${SCRIPT_DIR}/hanatool.sh"
+
+# Check for config file and source it
+if [[ -f "$CONFIG_FILE" ]]; then
+    source "$CONFIG_FILE"
+else
+    echo "❌ Error: Configuration file not found at '${CONFIG_FILE}'"
+    exit 1
+fi
+
+# Check if hanatool.sh executable exists
+if [[ ! -x "$HANATOOL_PATH" ]]; then
+    echo "❌ Error: hanatool.sh not found or not executable at '${HANATOOL_PATH}'"
+    exit 1
+fi
+
+# --- Derived Variables ---
+AURORA_SCHEMA="${SOURCE_SCHEMA}_AURORA"
+EXPORT_DIR="${BACKUP_BASE_DIR}/${AURORA_SCHEMA}_TEMP_EXPORT"
+
+# --- Main Execution ---
+echo "🚀 Starting Aurora Refresh for '${SOURCE_SCHEMA}' using hanatool.sh..."
+
+# 1. Drop the old Aurora schema if it exists.
+echo "🗑️  Dropping old schema '${AURORA_SCHEMA}' (if it exists)..."
+"$HDBSQL" -U "$DB_ADMIN_KEY" "DROP SCHEMA \"${AURORA_SCHEMA}\" CASCADE" >/dev/null 2>&1 || echo "   -> Schema did not exist. Continuing."
+
+# 2. Prepare the temporary export directory.
+echo "📁 Preparing temporary export directory..."
+rm -rf "$EXPORT_DIR"
+mkdir -p "$EXPORT_DIR"
+
+# 3. Export the source schema using hanatool.sh
+echo "⬇️  Exporting source schema '${SOURCE_SCHEMA}'..."
+"$HANATOOL_PATH" "$DB_ADMIN_KEY" export "$SOURCE_SCHEMA" "$EXPORT_DIR" -t "$THREADS"
+if [[ $? -ne 0 ]]; then
+    echo "❌ Error: Export failed."
+    exit 1
+fi
+
+# 4. Import the data into the new Aurora schema using hanatool.sh
+echo "⬆️  Importing data and renaming schema to '${AURORA_SCHEMA}'..."
+"$HANATOOL_PATH" "$DB_ADMIN_KEY" import-rename "$SOURCE_SCHEMA" "$AURORA_SCHEMA" "$EXPORT_DIR" -t "$THREADS"
+if [[ $? -ne 0 ]]; then
+    echo "❌ Error: Import failed."
+    exit 1
+fi
+
+# 5. Update company name in CINF and OADM tables.
+echo "✍️  Updating company name fields in the new schema..."
+
+# First, get the original company name from the source schema.
+echo "   -> Fetching original company name from '${SOURCE_SCHEMA}'..."
+ORIGINAL_COMPNY_NAME=$("$HDBSQL" -U "$DB_ADMIN_KEY" "SELECT \"CompnyName\" FROM \"${SOURCE_SCHEMA}\".\"CINF\"" | sed -n '2p' | tr -d '"' | xargs)
+
+# Construct the new name in the desired format.
+DATE_STAMP=$(date "+%Y-%m-%d")
+NEW_COMPNY_NAME="AURORA - ${ORIGINAL_COMPNY_NAME} - ${DATE_STAMP}"
+echo "   -> New company name set to: '${NEW_COMPNY_NAME}'"
+
+echo "   -> Updating CINF table..."
+"$HDBSQL" -U "$DB_ADMIN_KEY" "UPDATE \"${AURORA_SCHEMA}\".CINF SET \"CompnyName\" = '${NEW_COMPNY_NAME}';" >/dev/null
+
+echo "   -> Updating OADM table..."
+"$HDBSQL" -U "$DB_ADMIN_KEY" "UPDATE \"${AURORA_SCHEMA}\".OADM SET \"CompnyName\" = '${NEW_COMPNY_NAME}', \"PrintHeadr\" = '${NEW_COMPNY_NAME}';" >/dev/null
+echo "   -> Company info updated."
+
+# 6. Grant privileges to the read/write user.
+echo "🔑 Granting ALL privileges on '${AURORA_SCHEMA}' to '${AURORA_USER}'..."
+"$HDBSQL" -U "$DB_ADMIN_KEY" "GRANT ALL PRIVILEGES ON SCHEMA \"${AURORA_SCHEMA}\" TO \"${AURORA_USER}\";" >/dev/null
+echo "   -> Privileges granted."
+
+# 7. Run post-import SQL scripts, if any are defined.
+if [[ -n "$POST_IMPORT_SQL" ]]; then
+    echo "⚙️  Running post-import SQL scripts..."
+    for sql_file in $POST_IMPORT_SQL; do
+        full_path="${SQL_SCRIPTS_ROOT}/${sql_file}"
+        if [[ -f "$full_path" ]]; then
+            echo "   -> Executing: ${sql_file}"
+            "$HDBSQL" -U "$DB_ADMIN_KEY" -I "$full_path"
+        else
+            echo "   -> ⚠️ WARNING: Script not found: ${full_path}" >&2
+        fi
+    done
+else
+    echo "ℹ️  No post-import SQL scripts to run."
+fi
+
+# 8. Clean up the temporary export files.
+echo "🧹 Cleaning up temporary directory '${EXPORT_DIR}'..."
+rm -rf "$EXPORT_DIR"
+echo "   -> Cleanup complete."
+
+echo "--------------------------------------------------------"
+echo "✅ Aurora Refresh finished successfully!"
+echo
+
+exit 0