Add tenant management script for zero-downtime operations and database handling
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#!/bin/bash
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# Script to manage multitenant deployment
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# Allows adding, removing, and restarting tenants without downtime for others
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if [ ! -f "docker-compose-multitenant.yml" ]; then
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echo "Error: docker-compose-multitenant.yml not found."
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exit 1
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fi
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show_help() {
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echo "Usage: ./manage-tenant.sh [COMMAND] [OPTIONS]"
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echo ""
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echo "Commands:"
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echo " add <tenant_id> Add a new tenant (initializes database)"
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echo " remove <tenant_id> Remove a tenant completely (deletes data!)"
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echo " restart-tenant <id> 'Restart' a single tenant (clears cache/sessions)"
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echo " restart-all Restart all application containers (zero-downtime reload)"
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echo " list List active tenants"
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echo ""
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echo "Examples:"
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echo " ./manage-tenant.sh add school_a"
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echo " ./manage-tenant.sh remove test_tenant"
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echo " ./manage-tenant.sh restart-all"
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exit 1
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}
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if [ -z "$1" ]; then
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show_help
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fi
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COMMAND=$1
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TENANT_ID=$2
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case "$COMMAND" in
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add)
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if [ -z "$TENANT_ID" ]; then
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echo "Error: Please provide a tenant_id."
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exit 1
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fi
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echo "Adding new tenant '$TENANT_ID'..."
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# Add Nginx configuration
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if [ -f "docker/nginx/multitenant.conf" ]; then
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echo "Assuming dynamic routing based on subdomain ($TENANT_ID)..."
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fi
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# Initialize tenant database via Python inside container
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echo "Initializing database for $TENANT_ID..."
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APP_CONTAINER=$(docker-compose -f docker-compose-multitenant.yml ps -q app | head -n 1)
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if [ -n "$APP_CONTAINER" ]; then
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docker exec $APP_CONTAINER python3 -c "
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import sys; sys.path.insert(0, '/app/Web'); import tenant, settings
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client = tenant.get_tenant_db_client()
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db = client[f'{settings.MONGODB_DB}_{sys.argv[1]}']
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db.users.insert_one({'username': 'admin', 'password': 'hashed_password_here', 'role': 'admin'})
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print(f'Tenant {sys.argv[1]} database initialized.')
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" "$TENANT_ID"
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echo "Tenant '$TENANT_ID' successfully added. Ready to use."
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else
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echo "Warning: Application container is not running. Please start the multi-tenant system first."
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echo "Data will be initialized upon first access by the tenant."
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fi
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;;
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remove)
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if [ -z "$TENANT_ID" ]; then
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echo "Error: Please provide a tenant_id to remove."
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exit 1
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fi
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echo -n "WARNING: Are you sure you want to permanently delete all data for tenant '$TENANT_ID'? (y/N) "
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read confirm
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if [ "$confirm" = "y" ] || [ "$confirm" = "Y" ]; then
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echo "Removing tenant '$TENANT_ID'..."
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APP_CONTAINER=$(docker-compose -f docker-compose-multitenant.yml ps -q app | head -n 1)
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if [ -n "$APP_CONTAINER" ]; then
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docker exec $APP_CONTAINER python3 -c "
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import sys; sys.path.insert(0, '/app/Web'); import tenant, settings
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client = tenant.get_tenant_db_client()
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client.drop_database(f'{settings.MONGODB_DB}_{sys.argv[1]}')
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print(f'Database for tenant {sys.argv[1]} dropped.')
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" "$TENANT_ID"
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echo "Tenant '$TENANT_ID' removed successfully."
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else
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echo "Error: Application container not running."
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fi
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else
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echo "Removal canceled."
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fi
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;;
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restart-tenant)
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if [ -z "$TENANT_ID" ]; then
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echo "Error: Please provide a tenant_id."
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exit 1
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fi
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echo "Restarting tenant '$TENANT_ID' (clearing session/cache)..."
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# To restart a single tenant without restarting the global python processes,
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# we can invalidate their cache or drop their sessions collection to sign everyone out
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APP_CONTAINER=$(docker-compose -f docker-compose-multitenant.yml ps -q app | head -n 1)
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if [ -n "$APP_CONTAINER" ]; then
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docker exec $APP_CONTAINER python3 -c "
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import sys; sys.path.insert(0, '/app/Web'); import tenant, settings
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client = tenant.get_tenant_db_client()
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db = client[f'{settings.MONGODB_DB}_{sys.argv[1]}']
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db.sessions.drop() # Force sign-out / session clear
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print(f'Tenant {sys.argv[1]} session cache cleared. Tenant restarted.')
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" "$TENANT_ID"
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echo "Tenant '$TENANT_ID' has been refreshed without impacting others."
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else
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echo "Error: Application container not running."
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fi
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;;
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restart-all)
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echo "Restarting all application instances with zero-downtime rolling restart..."
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docker-compose -f docker-compose-multitenant.yml restart app
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echo "Global restart complete."
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;;
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list)
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echo "Listing active tenants (Databases):"
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APP_CONTAINER=$(docker-compose -f docker-compose-multitenant.yml ps -q app | head -n 1)
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if [ -n "$APP_CONTAINER" ]; then
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docker exec $APP_CONTAINER python3 -c "
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import sys; sys.path.insert(0, '/app/Web'); import tenant, settings
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client = tenant.get_tenant_db_client()
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prefix = f'{settings.MONGODB_DB}_'
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dbs = [d for d in client.list_database_names() if d.startswith(prefix)]
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for db in dbs:
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print(f'- {db.replace(prefix, \"\")}')
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"
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else
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echo "Error: Application container not running."
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fi
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;;
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*)
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echo "Unknown command: $COMMAND"
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show_help
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;;
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esac
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exit 0
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