115 lines
4.3 KiB
Bash
115 lines
4.3 KiB
Bash
#!/bin/bash
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# Version: 2.5.0
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# Author: Tomi Eckert
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# ==============================================================================
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# Aurora Refresh Script
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#
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# Performs an automated refresh of a SAP HANA schema using hanatool.sh.
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# It exports a 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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# ==============================================================================
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# --- Configuration and Setup ---
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# Find the script's own directory to locate the config file and hanatool.sh
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SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
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CONFIG_FILE="${SCRIPT_DIR}/aurora.conf"
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HANATOOL_PATH="${SCRIPT_DIR}/../hanatool.sh"
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# Check for config file and source it
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if [[ -f "$CONFIG_FILE" ]]; then
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source "$CONFIG_FILE"
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else
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echo "❌ Error: Configuration file not found at '${CONFIG_FILE}'"
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exit 1
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fi
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# Check if hanatool.sh executable exists
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if [[ ! -x "$HANATOOL_PATH" ]]; then
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echo "❌ Error: hanatool.sh not found or not executable at '${HANATOOL_PATH}'"
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exit 1
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fi
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# --- Derived Variables ---
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AURORA_SCHEMA="${SOURCE_SCHEMA}_AURORA"
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EXPORT_DIR="${BACKUP_BASE_DIR}/${AURORA_SCHEMA}_TEMP_EXPORT"
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# --- Main Execution ---
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echo "🚀 Starting Aurora Refresh for '${SOURCE_SCHEMA}' using hanatool.sh..."
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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 using hanatool.sh
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echo "⬇️ Exporting source schema '${SOURCE_SCHEMA}'..."
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"$HANATOOL_PATH" "$DB_ADMIN_KEY" export "$SOURCE_SCHEMA" "$EXPORT_DIR" -t "$THREADS"
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if [[ $? -ne 0 ]]; then
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echo "❌ Error: Export failed."
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exit 1
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fi
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# 4. Import the data into the new Aurora schema using hanatool.sh
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echo "⬆️ Importing data and renaming schema to '${AURORA_SCHEMA}'..."
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"$HANATOOL_PATH" "$DB_ADMIN_KEY" import-rename "$SOURCE_SCHEMA" "$AURORA_SCHEMA" "$EXPORT_DIR" -t "$THREADS"
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if [[ $? -ne 0 ]]; then
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echo "❌ Error: Import failed."
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exit 1
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fi
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# 5. Update company name in CINF and OADM tables.
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echo "✍️ Updating company name fields in the new schema..."
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# First, get the original company name from the source schema.
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echo " -> Fetching original company name from '${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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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 "✅ Aurora Refresh finished successfully!"
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echo
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exit 0
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