# This is an automatically generated code sample.
# To make this code sample work in your Oracle Cloud tenancy,
# please replace the values for any parameters whose current values do not fit
# your use case (such as resource IDs, strings containing ‘EXAMPLE’ or ‘unique_id’, and
# boolean, number, and enum parameters with values not fitting your use case).

require 'oci'

# Create a default config using DEFAULT profile in default location
# Refer to https://docs.cloud.oracle.com/en-us/iaas/Content/API/Concepts/sdkconfig.htm#SDK_and_CLI_Configuration_File for more info
config = OCI::ConfigFileLoader.load_config

# Initialize service client with default config file
psql_client = OCI::Psql::PostgresqlClient.new(config: config)

# Send the request to service, some parameters are not required, see API doc for more info
update_db_system_response =
  psql_client.update_db_system(
    'ocid1.test.oc1..<unique_ID>EXAMPLE-dbSystemId-Value',
    OCI::Psql::Models::UpdateDbSystemDetails.new(
      display_name: 'EXAMPLE-displayName-Value',
      description: 'EXAMPLE-description-Value',
      db_configuration_params:
        OCI::Psql::Models::UpdateDbConfigParams.new(
          config_id: 'ocid1.test.oc1..<unique_ID>EXAMPLE-configId-Value',
          apply_config: 'RESTART'
        ),
      management_policy:
        OCI::Psql::Models::ManagementPolicyDetails.new(
          maintenance_window_start: 'EXAMPLE-maintenanceWindowStart-Value',
          backup_policy:
            OCI::Psql::Models::MonthlyBackupPolicy.new(
              kind: 'MONTHLY',
              backup_start: 'EXAMPLE-backupStart-Value',
              days_of_the_month: [17],
              retention_days: 27
            )
        ),
      storage_details:
        OCI::Psql::Models::UpdateStorageDetailsParams.new(iops: 361),
      freeform_tags: {
        'EXAMPLE_KEY_n3Crj' => 'EXAMPLE_VALUE_rXnmOGDa3CMotvvN2TG3'
      },
      defined_tags: {
        'EXAMPLE_KEY_RLNyX' => { 'EXAMPLE_KEY_nJNgK' => 'EXAMPLE--Value' }
      }
    )
  )

# Get the data from response
puts "#{update_db_system_response.headers}"