Added extra7133 RDS multi-AZ

checks/check_extra7133

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy
+# of the License at http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed
+# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+# CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+CHECK_ID_extra7133="7.133"
+CHECK_TITLE_extra7133="[extra7133] Check if RDS instances have multi-AZ enabled"
+CHECK_SCORED_extra7133="NOT_SCORED"
+CHECK_TYPE_extra7133="EXTRA"
+CHECK_SEVERITY_extra7133="Medium"
+CHECK_ASFF_RESOURCE_TYPE_extra7133="AwsRdsDbInstance"
+CHECK_ALTERNATE_check7133="extra7133"
+CHECK_SERVICENAME_extra7133="rds"
+CHECK_RISK_extra7133="In case of failure with a single-AZ deployment configuration should an availability zone specific database failure occur Amazon RDS can not automatically fail over to the standby availability zone."
+CHECK_REMEDIATION_extra7133="Enable multi-AZ deployment for production databases. More here: https://aws.amazon.com/rds/features/multi-az/."
+
+extra7133(){
+  for regx in $REGIONS; do
+    RDS_INSTANCES=$($AWSCLI rds describe-db-instances $PROFILE_OPT --region $regx --query 'DBInstances[*].DBInstanceIdentifier' --output text)
+    if [[ $RDS_INSTANCES ]];then
+      for rdsinstance in ${RDS_INSTANCES}; do
+          RDS_NAME="$rdsinstance"
+          MULTIAZ_FLAG=$($AWSCLI rds describe-db-instances $PROFILE_OPT --region $regx --db-instance-identifier $rdsinstance --query 'DBInstances[*].MultiAZ' --output text)
+          if [[ $MULTIAZ_FLAG == "True" ]];then 
+              textPass "$regx: RDS instance: $RDS_NAME has multi-AZ enabled" "$rex"
+          else
+              textFail "$regx: RDS instance: $RDS_NAME has multi-AZ disabled!" "$regx"
+          fi
+      done
+    else
+      textInfo "$regx: no RDS instances found" "$regx"
+    fi
+  done
+}