Thursday, November 13, 2025
#!/bin/bash
################################################################################
# Oracle 19c RAC Database Administration - Main Script
# Description: Main menu system for Oracle RAC administration
# Version: 2.1 - Complete Fix Applied
# Created: 2025-11-02
# Updated: 2025-11-14 - COMPREHENSIVE FIX APPLIED
################################################################################
################################################################################
# SCRIPT INITIALIZATION
################################################################################
# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SCRIPT_NAME=$(basename "$0")
# Set configuration file paths
CONFIG_FILE="${SCRIPT_DIR}/config/script_config.conf"
DATABASE_LIST_FILE="${SCRIPT_DIR}/config/database_list.txt"
# Set directory paths
LOG_BASE_DIR="${SCRIPT_DIR}/logs"
REPORT_BASE_DIR="${SCRIPT_DIR}/reports"
BACKUP_DIR="${SCRIPT_DIR}/backups"
# Create directories if they don't exist
mkdir -p "${LOG_BASE_DIR}" "${REPORT_BASE_DIR}" "${BACKUP_DIR}" "${SCRIPT_DIR}/config"
# Source common functions library
if [[ -f "${SCRIPT_DIR}/functions_common.sh" ]]; then
source "${SCRIPT_DIR}/functions_common.sh"
else
echo "ERROR: functions_common.sh not found in ${SCRIPT_DIR}"
echo "Please ensure the common functions library exists"
exit 1
fi
# Source function modules
for func_file in "${SCRIPT_DIR}"/functions_*.sh; do
if [[ -f "$func_file" ]] && [[ "$func_file" != *"functions_common.sh" ]]; then
source "$func_file"
echo "Loaded: $(basename "$func_file")"
fi
done
################################################################################
# INITIALIZATION - LOAD DATABASE LIST INTO ARRAYS
################################################################################
# Load all databases into global arrays for menu display
echo ""
echo "Initializing Oracle RAC Administration System..."
echo "Loading database configuration..."
echo ""
if ! load_database_list_to_arrays; then
echo ""
echo "==============================================="
echo "CRITICAL ERROR: Failed to load database list!"
echo "==============================================="
echo ""
echo "Please check:"
echo " 1. File exists: ${DATABASE_LIST_FILE}"
echo " 2. File is readable"
echo " 3. File has valid entries in format: DB_NAME|SCAN_HOST|SERVICE_NAME"
echo ""
echo "Example format:"
echo " PRODDB|prod-scan.company.com|PRODDB_SVC"
echo " TESTDB|test-scan.company.com|TESTDB_SVC"
echo ""
exit 1
fi
echo "✓ Successfully loaded ${#DB_NAMES[@]} database(s)"
echo ""
################################################################################
# MAIN MENU DISPLAY
################################################################################
display_main_menu() {
clear
echo "=========================================="
echo "Oracle 19c RAC Administration System"
echo "Version 2.1 - Complete Fix Applied"
echo "=========================================="
echo ""
echo "Available Databases:"
# Display loaded databases from arrays
if [[ ${#DB_NAMES[@]} -eq 0 ]]; then
echo " WARNING: No databases loaded!"
echo " Please check ${DATABASE_LIST_FILE}"
else
for i in "${!DB_NAMES[@]}"; do
printf " %2d. %-15s @ %-30s [%s]\n" "$((i+1))" "${DB_NAMES[$i]}" "${DB_HOSTS[$i]}" "${DB_SERVICES[$i]}"
done
fi
echo ""
echo "=========================================="
echo "Main Menu Options"
echo "=========================================="
echo " 1. Database Health Check"
echo " 2. Data Guard Status"
echo " 3. Data Guard Switchover"
echo " 4. Restore Point Management"
echo " 5. View All Databases"
echo " 6. Reload Database List"
echo " 7. View Logs"
echo " 0. Exit"
echo "=========================================="
echo ""
}
################################################################################
# MENU OPTION HANDLERS
################################################################################
################################################################################
# Option 1: Database Health Check
################################################################################
handle_database_health_check() {
clear
echo "=========================================="
echo "Database Health Check"
echo "=========================================="
echo ""
# Select database from menu
select_database_from_menu "Select Database for Health Check"
local db_index=$?
# Check if user cancelled (returns 255)
if [[ $db_index -eq 255 ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Get database info by index
if ! get_database_info_by_index "$db_index"; then
echo "ERROR: Failed to get database information"
read -p "Press Enter to continue..."
return
fi
# Display selected database info
display_selected_database_info
# Confirm operation
read -p "Proceed with health check? (yes/no): " confirm
if [[ ! "$confirm" =~ ^[Yy][Ee]?[Ss]?$ ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Source the health check functions if not already loaded
if [[ -f "${SCRIPT_DIR}/functions_db_health.sh" ]]; then
source "${SCRIPT_DIR}/functions_db_health.sh"
else
echo "ERROR: functions_db_health.sh not found"
read -p "Press Enter to continue..."
return
fi
# Perform health check
echo ""
echo "Performing health check..."
echo ""
if perform_db_health_check "$SELECTED_DB_NAME" "$SELECTED_DB_HOST" "$SELECTED_DB_SERVICE"; then
echo ""
echo "✓ Health check completed successfully"
else
echo ""
echo "✗ Health check failed or completed with errors"
fi
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# Option 2: Data Guard Status
################################################################################
handle_data_guard_status() {
clear
echo "=========================================="
echo "Data Guard Status Check"
echo "=========================================="
echo ""
# Select database from menu
select_database_from_menu "Select Database for Data Guard Status"
local db_index=$?
# Check if user cancelled
if [[ $db_index -eq 255 ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Get database info
if ! get_database_info_by_index "$db_index"; then
echo "ERROR: Failed to get database information"
read -p "Press Enter to continue..."
return
fi
# Display selected database info
display_selected_database_info
# Source DG health functions if not already loaded
if [[ -f "${SCRIPT_DIR}/functions_dg_health.sh" ]]; then
source "${SCRIPT_DIR}/functions_dg_health.sh"
else
echo "ERROR: functions_dg_health.sh not found"
read -p "Press Enter to continue..."
return
fi
# Perform Data Guard status check
echo ""
echo "Checking Data Guard status..."
echo ""
if perform_dg_health_check "$SELECTED_DB_NAME" "$SELECTED_DB_HOST" "$SELECTED_DB_SERVICE"; then
echo ""
echo "✓ Data Guard status check completed"
else
echo ""
echo "✗ Data Guard status check failed"
fi
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# Option 3: Data Guard Switchover
################################################################################
handle_data_guard_switchover() {
clear
echo "=========================================="
echo "Data Guard Switchover"
echo "=========================================="
echo ""
echo "WARNING: This operation will switch database roles"
echo " Primary will become Standby and vice versa"
echo ""
# Select primary database
echo "Step 1: Select CURRENT PRIMARY database"
echo ""
select_database_from_menu "Select Current Primary Database"
local primary_index=$?
if [[ $primary_index -eq 255 ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Get primary database info
if ! get_database_info_by_index "$primary_index"; then
echo "ERROR: Failed to get primary database information"
read -p "Press Enter to continue..."
return
fi
local primary_db="$SELECTED_DB_NAME"
local primary_host="$SELECTED_DB_HOST"
local primary_service="$SELECTED_DB_SERVICE"
echo ""
echo "Primary Database Selected:"
echo " Database: $primary_db"
echo " Host: $primary_host"
echo " Service: $primary_service"
echo ""
# Select standby database
echo "Step 2: Select TARGET STANDBY database"
echo ""
select_database_from_menu "Select Target Standby Database"
local standby_index=$?
if [[ $standby_index -eq 255 ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Validate not selecting the same database
if [[ $standby_index -eq $primary_index ]]; then
echo ""
echo "ERROR: Primary and Standby cannot be the same database!"
read -p "Press Enter to continue..."
return
fi
# Get standby database info
if ! get_database_info_by_index "$standby_index"; then
echo "ERROR: Failed to get standby database information"
read -p "Press Enter to continue..."
return
fi
local standby_db="$SELECTED_DB_NAME"
local standby_host="$SELECTED_DB_HOST"
local standby_service="$SELECTED_DB_SERVICE"
echo ""
echo "Standby Database Selected:"
echo " Database: $standby_db"
echo " Host: $standby_host"
echo " Service: $standby_service"
echo ""
# Display switchover plan
echo "=========================================="
echo "SWITCHOVER PLAN"
echo "=========================================="
echo "Current Primary: $primary_db @ $primary_host"
echo "Current Standby: $standby_db @ $standby_host"
echo ""
echo "After Switchover:"
echo " New Primary: $standby_db @ $standby_host"
echo " New Standby: $primary_db @ $primary_host"
echo "=========================================="
echo ""
# Final confirmation
read -p "Type 'SWITCHOVER' to confirm this operation: " confirm
if [[ "$confirm" != "SWITCHOVER" ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Source switchover functions
if [[ -f "${SCRIPT_DIR}/functions_dg_switchover.sh" ]]; then
source "${SCRIPT_DIR}/functions_dg_switchover.sh"
else
echo "ERROR: functions_dg_switchover.sh not found"
read -p "Press Enter to continue..."
return
fi
# Perform switchover
echo ""
echo "Initiating Data Guard switchover..."
echo ""
if perform_dg_switchover "$primary_db" "$primary_host" "$primary_service" "$standby_db" "$standby_host" "$standby_service"; then
echo ""
echo "✓ Switchover completed successfully"
else
echo ""
echo "✗ Switchover failed or rolled back"
fi
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# Option 4: Restore Point Management
################################################################################
handle_restore_point_management() {
clear
echo "=========================================="
echo "Restore Point Management"
echo "=========================================="
echo ""
# Select database
select_database_from_menu "Select Database for Restore Point Management"
local db_index=$?
if [[ $db_index -eq 255 ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
# Get database info
if ! get_database_info_by_index "$db_index"; then
echo "ERROR: Failed to get database information"
read -p "Press Enter to continue..."
return
fi
# Display selected database info
display_selected_database_info
# Source restore point functions
if [[ -f "${SCRIPT_DIR}/functions_restore_point.sh" ]]; then
source "${SCRIPT_DIR}/functions_restore_point.sh"
else
echo "ERROR: functions_restore_point.sh not found"
read -p "Press Enter to continue..."
return
fi
# Call the restore point menu
manage_restore_points "$SELECTED_DB_NAME" "$SELECTED_DB_HOST" "$SELECTED_DB_SERVICE"
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# Option 5: View All Databases
################################################################################
handle_view_all_databases() {
clear
echo "=========================================="
echo "All Configured Databases"
echo "=========================================="
echo ""
if [[ ${#DB_NAMES[@]} -eq 0 ]]; then
echo "No databases configured."
echo "Please add databases to: ${DATABASE_LIST_FILE}"
else
printf "%-4s %-20s %-35s %-25s\n" "No." "Database Name" "SCAN Host" "Service Name"
echo "--------------------------------------------------------------------------------------------"
for i in "${!DB_NAMES[@]}"; do
printf "%-4d %-20s %-35s %-25s\n" "$((i+1))" "${DB_NAMES[$i]}" "${DB_HOSTS[$i]}" "${DB_SERVICES[$i]}"
done
fi
echo ""
echo "Total: ${#DB_NAMES[@]} database(s)"
echo ""
echo "Configuration file: ${DATABASE_LIST_FILE}"
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# Option 6: Reload Database List
################################################################################
handle_reload_database_list() {
clear
echo "=========================================="
echo "Reload Database List"
echo "=========================================="
echo ""
echo "Current databases loaded: ${#DB_NAMES[@]}"
echo ""
read -p "Reload database list from configuration file? (yes/no): " confirm
if [[ ! "$confirm" =~ ^[Yy][Ee]?[Ss]?$ ]]; then
echo "Operation cancelled."
read -p "Press Enter to continue..."
return
fi
echo ""
echo "Reloading database list..."
echo ""
if load_database_list_to_arrays; then
echo ""
echo "✓ Successfully reloaded ${#DB_NAMES[@]} database(s)"
# Display reloaded databases
echo ""
echo "Reloaded Databases:"
for i in "${!DB_NAMES[@]}"; do
printf " %2d. %-15s @ %-30s [%s]\n" "$((i+1))" "${DB_NAMES[$i]}" "${DB_HOSTS[$i]}" "${DB_SERVICES[$i]}"
done
else
echo ""
echo "✗ Failed to reload database list"
echo "Please check ${DATABASE_LIST_FILE}"
fi
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# Option 7: View Logs
################################################################################
handle_view_logs() {
clear
echo "=========================================="
echo "View Logs"
echo "=========================================="
echo ""
# Find today's log file
local today_log="${LOG_BASE_DIR}/oracle_admin_$(date '+%Y%m%d').log"
if [[ ! -f "$today_log" ]]; then
echo "No log file found for today: $today_log"
echo ""
echo "Available log files:"
ls -lh "${LOG_BASE_DIR}"/oracle_admin_*.log 2>/dev/null || echo " No log files found"
else
echo "Displaying last 50 lines of today's log:"
echo "Log file: $today_log"
echo ""
echo "----------------------------------------"
tail -50 "$today_log"
echo "----------------------------------------"
fi
echo ""
read -p "Press Enter to continue..."
}
################################################################################
# MAIN PROGRAM LOOP
################################################################################
main() {
# Validate prerequisites
if ! validate_prerequisites; then
echo "ERROR: Prerequisites validation failed"
exit 1
fi
# Main loop
while true; do
display_main_menu
read -p "Select option: " choice
case $choice in
1)
handle_database_health_check
;;
2)
handle_data_guard_status
;;
3)
handle_data_guard_switchover
;;
4)
handle_restore_point_management
;;
5)
handle_view_all_databases
;;
6)
handle_reload_database_list
;;
7)
handle_view_logs
;;
0)
clear
echo ""
echo "Exiting Oracle RAC Administration System..."
echo "Goodbye!"
echo ""
exit 0
;;
*)
echo ""
echo "Invalid option. Please try again."
sleep 2
;;
esac
done
}
# Start the program
main
