# 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).

import 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.config.from_file()


# Initialize service client with default config file
psql_client = oci.psql.PostgresqlClient(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(
    db_system_id="ocid1.test.oc1..<unique_ID>EXAMPLE-dbSystemId-Value",
    update_db_system_details=oci.psql.models.UpdateDbSystemDetails(
        display_name="EXAMPLE-displayName-Value",
        description="EXAMPLE-description-Value",
        shape="EXAMPLE-shape-Value",
        instance_ocpu_count=936,
        instance_memory_size_in_gbs=506,
        db_configuration_params=oci.psql.models.UpdateDbConfigParams(
            config_id="ocid1.test.oc1..<unique_ID>EXAMPLE-configId-Value",
            apply_config="RESTART"),
        management_policy=oci.psql.models.ManagementPolicyDetails(
            maintenance_window_start="EXAMPLE-maintenanceWindowStart-Value",
            backup_policy=oci.psql.models.WeeklyBackupPolicy(
                kind="WEEKLY",
                days_of_the_week=["SATURDAY"],
                backup_start="EXAMPLE-backupStart-Value",
                retention_days=3,
                copy_policy=oci.psql.models.BackupCopyPolicy(
                    compartment_id="ocid1.test.oc1..<unique_ID>EXAMPLE-compartmentId-Value",
                    retention_period=25,
                    regions=["EXAMPLE--Value"]))),
        storage_details=oci.psql.models.UpdateStorageDetailsParams(
            iops=989),
        network_details=oci.psql.models.UpdateNetworkDetails(
            nsg_ids=["EXAMPLE--Value"],
            is_reader_endpoint_enabled=False),
        freeform_tags={
            'EXAMPLE_KEY_sVMlQ': 'EXAMPLE_VALUE_f5TayhdbPNHk3dxF6q42'},
        defined_tags={
            'EXAMPLE_KEY_rP25T': {
                'EXAMPLE_KEY_Rec6d': 'EXAMPLE--Value'}}),
    if_match="EXAMPLE-ifMatch-Value",
    opc_request_id="MK4M3JB5YUVQVNZEEMTA<unique_ID>",
    opc_retry_token="EXAMPLE-opcRetryToken-Value")

# Get the data from response
print(update_db_system_response.headers)