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feat(aws): Add new RDS check to verify that cluster minor version upgrade is enabled (#4725)
This commit is contained in:
Daniel Barranquero
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GitHub
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21382efd07
commit
680781656b
+30
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{
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"Provider": "aws",
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"CheckID": "rds_cluster_minor_version_upgrade_enabled",
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"CheckTitle": "Ensure RDS clusters have minor version upgrade enabled.",
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"CheckType": [],
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"ServiceName": "rds",
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"SubServiceName": "",
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"ResourceIdTemplate": "arn:aws:rds:region:account-id:db-cluster",
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"Severity": "medium",
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"ResourceType": "AwsRdsDbCluster",
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"Description": "Ensure RDS clusters have minor version upgrade enabled.",
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"Risk": "Auto Minor Version Upgrade is a feature that you can enable to have your database automatically upgraded when a new minor database engine version is available. Minor version upgrades often patch security vulnerabilities and fix bugs and therefore should be applied.",
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"RelatedUrl": "https://aws.amazon.com/blogs/database/best-practices-for-upgrading-amazon-rds-to-major-and-minor-versions-of-postgresql/",
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"Remediation": {
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"Code": {
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"CLI": "aws rds modify-db-cluster --db-cluster-identifier <db_cluster_id> --auto-minor-version-upgrade --apply-immediately",
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"NativeIaC": "https://docs.prowler.com/checks/aws/general-policies/ensure-aws-db-instance-gets-all-minor-upgrades-automatically#cloudformation",
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"Other": "https://docs.aws.amazon.com/securityhub/latest/userguide/rds-controls.html#rds-35",
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"Terraform": "https://docs.prowler.com/checks/aws/general-policies/ensure-aws-db-instance-gets-all-minor-upgrades-automatically#terraform"
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},
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"Recommendation": {
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"Text": "Enable auto minor version upgrade for all databases and environments.",
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"Url": "https://aws.amazon.com/blogs/database/best-practices-for-upgrading-amazon-rds-to-major-and-minor-versions-of-postgresql/"
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}
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},
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"Categories": [],
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"DependsOn": [],
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"RelatedTo": [],
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"Notes": ""
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}
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+25
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from prowler.lib.check.models import Check, Check_Report_AWS
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from prowler.providers.aws.services.rds.rds_client import rds_client
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class rds_cluster_minor_version_upgrade_enabled(Check):
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def execute(self):
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findings = []
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for db_cluster in rds_client.db_clusters:
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# Auto minor version upgrade is only available for non-Aurora Multi-AZ DB clusters
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if rds_client.db_clusters[db_cluster].multi_az:
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report = Check_Report_AWS(self.metadata())
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report.region = rds_client.db_clusters[db_cluster].region
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report.resource_id = rds_client.db_clusters[db_cluster].id
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report.resource_arn = rds_client.db_clusters[db_cluster].arn
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report.resource_tags = rds_client.db_clusters[db_cluster].tags
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if rds_client.db_clusters[db_cluster].auto_minor_version_upgrade:
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report.status = "PASS"
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report.status_extended = f"RDS Cluster {rds_client.db_clusters[db_cluster].id} has minor version upgrade enabled."
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else:
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report.status = "FAIL"
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report.status_extended = f"RDS Cluster {rds_client.db_clusters[db_cluster].id} does not have minor version upgrade enabled."
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findings.append(report)
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return findings
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+173
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from unittest import mock
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from prowler.providers.aws.services.rds.rds_service import DBCluster
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from tests.providers.aws.utils import AWS_ACCOUNT_NUMBER, AWS_REGION_US_EAST_1
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class Test_rds_cluster_minor_version_upgrade_enabled:
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def test_rds_no_clusters(self):
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rds_client = mock.MagicMock
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rds_client.db_clusters = {}
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with mock.patch(
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"prowler.providers.aws.services.rds.rds_service.RDS",
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new=rds_client,
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), mock.patch(
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"prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled.rds_client",
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new=rds_client,
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):
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from prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled import (
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rds_cluster_minor_version_upgrade_enabled,
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)
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check = rds_cluster_minor_version_upgrade_enabled()
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result = check.execute()
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assert len(result) == 0
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def test_rds_cluster_no_multi(self):
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rds_client = mock.MagicMock
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rds_client.db_clusters = {
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"db-cluster-1": DBCluster(
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id="db-cluster-1",
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arn=f"arn:aws:rds:{AWS_REGION_US_EAST_1}:{AWS_ACCOUNT_NUMBER}:cluster:db-cluster-1",
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endpoint="",
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engine="postgres",
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status="available",
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public=False,
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encrypted=True,
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auto_minor_version_upgrade=False,
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backup_retention_period=7,
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backtrack=0,
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cloudwatch_logs=[],
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deletion_protection=False,
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parameter_group="default.postgres10",
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multi_az=False,
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username="admin",
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iam_auth=False,
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region=AWS_REGION_US_EAST_1,
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tags=[],
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)
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}
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with mock.patch(
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"prowler.providers.aws.services.rds.rds_service.RDS",
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new=rds_client,
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), mock.patch(
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"prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled.rds_client",
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new=rds_client,
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):
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from prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled import (
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rds_cluster_minor_version_upgrade_enabled,
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)
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check = rds_cluster_minor_version_upgrade_enabled()
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result = check.execute()
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assert len(result) == 0
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def test_rds_cluster_no_auto_upgrade(self):
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rds_client = mock.MagicMock
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rds_client.db_clusters = {
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"db-cluster-1": DBCluster(
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id="db-cluster-1",
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arn=f"arn:aws:rds:{AWS_REGION_US_EAST_1}:{AWS_ACCOUNT_NUMBER}:cluster:db-cluster-1",
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endpoint="",
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engine="postgres",
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status="available",
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public=False,
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encrypted=True,
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auto_minor_version_upgrade=False,
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backup_retention_period=7,
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backtrack=0,
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cloudwatch_logs=[],
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deletion_protection=False,
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parameter_group="default.postgres10",
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multi_az=True,
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username="admin",
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iam_auth=False,
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region=AWS_REGION_US_EAST_1,
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tags=[],
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)
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}
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with mock.patch(
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"prowler.providers.aws.services.rds.rds_service.RDS",
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new=rds_client,
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), mock.patch(
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"prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled.rds_client",
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new=rds_client,
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):
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from prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled import (
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rds_cluster_minor_version_upgrade_enabled,
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)
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check = rds_cluster_minor_version_upgrade_enabled()
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result = check.execute()
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assert len(result) == 1
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assert result[0].status == "FAIL"
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assert (
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result[0].status_extended
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== "RDS Cluster db-cluster-1 does not have minor version upgrade enabled."
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)
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assert result[0].resource_id == "db-cluster-1"
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assert result[0].region == AWS_REGION_US_EAST_1
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assert (
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result[0].resource_arn
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== f"arn:aws:rds:{AWS_REGION_US_EAST_1}:{AWS_ACCOUNT_NUMBER}:cluster:db-cluster-1"
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)
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assert result[0].resource_tags == []
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def test_rds_cluster_with_auto_upgrade(self):
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rds_client = mock.MagicMock
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rds_client.db_clusters = {
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"db-cluster-1": DBCluster(
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id="db-cluster-1",
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arn=f"arn:aws:rds:{AWS_REGION_US_EAST_1}:{AWS_ACCOUNT_NUMBER}:cluster:db-cluster-1",
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endpoint="",
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engine="postgres",
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status="available",
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public=False,
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encrypted=True,
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auto_minor_version_upgrade=True,
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backup_retention_period=7,
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backtrack=0,
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cloudwatch_logs=[],
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deletion_protection=False,
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parameter_group="default.postgres10",
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multi_az=True,
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username="admin",
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iam_auth=False,
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region=AWS_REGION_US_EAST_1,
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tags=[],
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)
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}
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with mock.patch(
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"prowler.providers.aws.services.rds.rds_service.RDS",
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new=rds_client,
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), mock.patch(
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"prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled.rds_client",
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new=rds_client,
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):
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from prowler.providers.aws.services.rds.rds_cluster_minor_version_upgrade_enabled.rds_cluster_minor_version_upgrade_enabled import (
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rds_cluster_minor_version_upgrade_enabled,
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)
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check = rds_cluster_minor_version_upgrade_enabled()
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result = check.execute()
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assert len(result) == 1
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assert result[0].status == "PASS"
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assert (
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result[0].status_extended
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== "RDS Cluster db-cluster-1 has minor version upgrade enabled."
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)
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assert result[0].resource_id == "db-cluster-1"
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assert result[0].region == AWS_REGION_US_EAST_1
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assert (
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result[0].resource_arn
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== f"arn:aws:rds:{AWS_REGION_US_EAST_1}:{AWS_ACCOUNT_NUMBER}:cluster:db-cluster-1"
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)
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assert result[0].resource_tags == []
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