Migrating to AWS: A Manager's Guide by Jeff Armstrong

Author:Jeff Armstrong [Jeff Armstrong]
Language: eng
Format: epub
Publisher: O'Reilly Media, Inc.
Published: 2020-07-02T16:00:00+00:00

Service Catalog

AWS Service Catalog is a service that allows you to create products with CloudFormation templates, which deploy AWS infrastructure as code (IaC). CloudFormation enables you to automate the majority of your AWS infrastructure deployment. For example, look at the following code snippet:

InstanceSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Allow http from the internet VpcId: Ref: myVPC SecurityGroupIngress: - IpProtocol: tcp FromPort: 80 ToPort: 80 CidrIp: 0.0.0.0/0 SecurityGroupEgress: - IpProtocol: tcp FromPort: 80 ToPort: 80 CidrIp: 0.0.0.0/0

Your operations team can then allow access to these products by semitechnical staff to deploy the infrastructure required for their workloads. Service Catalog is an excellent way to save money postmigration to AWS. I have seen many companies significantly reduce the strain on their operations department by implementing Service Catalog.

In many companies, the operations team or cloud management team is a choke point and single point of failure in the deployment of infrastructure. By implementing Service Catalog, you allow your business units to deploy their infrastructure, thereby reducing the dependency on your operations team. This enablement removes the choke point, reduces delays, and overall increases the quality of service.

When you are planning to migrate to AWS, I recommend approaching Service Catalog by looking for repeating patterns in your current applications. The identification of these repeating patterns allows you to maximize the impact of Service Catalog. Your team can then translate those repeating patterns into infrastructure as code and a Service Catalog product. Once the products are complete and added to the catalog, access rights can be assigned to allow employees to deploy them.

Finding out how much you have saved by Service Catalog is different for every company. To help with assessing your savings, we will look at two scenarios. The following scenario focuses on the automated deployment of EC2 instances, and “Scenario 4-6” addresses S3 buckets with corporate hardening applied.

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