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using System; using Amazon; using Amazon.RDS; using Amazon.RDS.Model; public async Task<string> CreateRDSInstance() { // Configure the AWS region and credentials var region = RegionEndpoint.USWest2; var credentials = new Amazon.Runtime.BasicAWSCredentials("ACCESS_KEY", "SECRET_KEY"); // Create an RDS client with the configured region and credentials var rdsClient = new AmazonRDSClient(credentials, region); // Configure the parameters for the RDS instance var dbInstanceIdentifier = "my-rds-instance"; var dbInstanceClass = "db.t2.micro"; var engine = "sqlserver-se"; var engineVersion = "15.00.4073.23.v1"; var masterUsername = "admin"; var masterPassword = "mypassword"; var dbName = "mydatabase"; var vpcSecurityGroupId = "sg-0123456789abcdef"; var subnetGroupName = "my-subnet-group"; // Check if the RDS instance has capacity for a new database var describeRequest = new DescribeDBInstancesRequest { DBInstanceIdentifier = dbInstanceIdentifier }; var describeResponse = await rdsClient.DescribeDBInstancesAsync(describeRequest); var dbInstance = describeResponse.DBInstances.FirstOrDefault(); if (dbInstance == null) { throw new Exception($"RDS instance {dbInstanceIdentifier} not found"); } if (dbInstance.DBInstanceStatus != "available") { throw new Exception($"RDS instance {dbInstanceIdentifier} is not available"); } if (dbInstance.DBInstanceClass != dbInstanceClass) { throw new Exception($"RDS instance {dbInstanceIdentifier} has a different instance class"); } if (dbInstance.DBInstanceAllocatedStorage >= 100) { throw new Exception($"RDS instance {dbInstanceIdentifier} has reached the maximum storage capacity"); } // Create the request to create an RDS instance var createRequest = new CreateDBInstanceRequest { DBInstanceIdentifier = dbInstanceIdentifier, DBInstanceClass = dbInstanceClass, Engine = engine, EngineVersion = engineVersion, MasterUsername = masterUsername, MasterUserPassword = masterPassword, DBName = dbName, VpcSecurityGroupIds = new List<string> { vpcSecurityGroupId }, DBSubnetGroupName = subnetGroupName }; // Create the RDS instance var response = await rdsClient.CreateDBInstanceAsync(createRequest); // Return the endpoint of the created RDS instance return response.DBInstance.Endpoint.Address; }
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