# 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',
      shape: 'EXAMPLE-shape-Value',
      instance_ocpu_count: 667,
      instance_memory_size_in_gbs: 875,
      db_configuration_params:
        OCI::Psql::Models::UpdateDbConfigParams.new(
          config_id: 'ocid1.test.oc1..<unique_ID>EXAMPLE-configId-Value',
          apply_config: 'RELOAD'
        ),
      management_policy:
        OCI::Psql::Models::ManagementPolicyDetails.new(
          maintenance_window_start: 'EXAMPLE-maintenanceWindowStart-Value',
          backup_policy:
            OCI::Psql::Models::WeeklyBackupPolicy.new(
              kind: 'WEEKLY',
              days_of_the_week: %w[SUNDAY],
              backup_start: 'EXAMPLE-backupStart-Value',
              retention_days: 15,
              copy_policy:
                OCI::Psql::Models::BackupCopyPolicy.new(
                  compartment_id:
                    'ocid1.test.oc1..<unique_ID>EXAMPLE-compartmentId-Value',
                  retention_period: 979,
                  regions: %w[EXAMPLE--Value]
                )
            ),
          pitr_policy: OCI::Psql::Models::NonePitrPolicy.new(kind: 'NONE')
        ),
      storage_details:
        OCI::Psql::Models::UpdateStorageDetailsParams.new(iops: 144),
      replication_config:
        OCI::Psql::Models::UpdateReplicationConfigDetails.new(
          is_rpo_enforced: true, rpo_in_seconds: 713
        ),
      network_details:
        OCI::Psql::Models::UpdateNetworkDetails.new(
          nsg_ids: %w[EXAMPLE--Value], is_reader_endpoint_enabled: true
        ),
      kerberos_auth_details:
        OCI::Psql::Models::EnabledKerberosAuthDetails.new(
          kind: 'ENABLED',
          credentials: [
            OCI::Psql::Models::KerberosCredential.new(
              realm_name: 'EXAMPLE-realmName-Value',
              keytab_secret_id:
                'ocid1.test.oc1..<unique_ID>EXAMPLE-keytabSecretId-Value',
              keytab_secret_version: 330
            )
          ]
        ),
      odsp_insight_details:
        OCI::Psql::Models::EnabledInsightDetails.new(
          kind: 'ENABLED',
          odsp_insight_list: [
            OCI::Psql::Models::OdspInsight.new(
              insight_type: 'QUERY_INSIGHT', retention_period_in_days: 7
            )
          ]
        ),
      freeform_tags: {
        'EXAMPLE_KEY_EExI9' => 'EXAMPLE_VALUE_xagsH8rfBcobLC5C62ri'
      },
      defined_tags: {
        'EXAMPLE_KEY_CFLew' => { 'EXAMPLE_KEY_8O5OO' => 'EXAMPLE--Value' }
      }
    )
  )

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