AWS Config Rule: EMR Master Node No Public IP
EMR_MASTER_NO_PUBLIC_IP
Fernando Honig
Last Update 7 bulan yang lalu
Description: Checks if Amazon Elastic MapReduce (EMR) clusters' master nodes have public IPs. The rule is NON_COMPLIANT if the master node has a public IP.
Note: This rule checks clusters that are in RUNNING or WAITING state.
Trigger type: Periodic
AWS Region: All supported AWS regions except Asia Pacific (Jakarta), Africa (Cape Town), Middle East (UAE), Asia Pacific (Hyderabad), Asia Pacific (Osaka), Asia Pacific (Melbourne), Europe (Milan), Israel (Tel Aviv), Canada West (Calgary), Europe (Spain), Europe (Zurich) Region
How to Resolve Manually
When you create a cluster in EMR, by default it will normally spin up EC2 Instances complete with a public and private IP.
You can work around this by using the Bootstrap options and arguments to assign a static private IP to your EMR Master and Core Nodes. The following will assist you in this as part of a CloudFormation Stack. You will need to add some parameters at the start of your CloudFormation template which will allow you to add your own IP's as values
With this Parameter set, you can then use the following piece of CloudFormation which sets up an EMRCluster as part of your template stack;
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