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TECH SPOTLIGHT

This week's Tech Spotlight is on the , which was released earlier this year. The AWS CLI is a unified command line tool that make it easy to interact with the AWS services and APIs. This allows you to easily create, modify, or delete resources in your AWS account. When developing version 2, we focused in making it more interactive per our user feedback. This new version has a few new tricks up its sleeve, like being able to auto-complete server-side resources, allowing a developer to quickly interact with resources with tab-completion such as

aws dynamodb update-table —table-name MyTable<TAB>

No more copy pasting resource names or making typos! There are also in-built wizards that you can use when creating resources, instead of copy/pasting in all the parameters, 

aws dynamodb wizard new-table

There are wizards available for the configure, dynamodb, iam and lambda commands, and a good place to get started using the AWS CLI would be run the configure wizard to help you set up your credentials. Have a look at the . There are few more features for you to explore and use in your daily workflow, we recommend you take a look at from last year’s re:Invent session.

Amazon EC2 Metadata API v2

Not everyone is familiar with the metadata API available on each EC2 instance via `. This API contains details about the EC2 instance, from the AMI that was used to launch it, the IAM role and even the user data values. This allows for interesting workflows where you read the data after launching the instance to make decisions, like bringing up 4 instances with a single CLI command and using the ami-launch-index value to have the first instance be the primary DB instance, with the 3 subsequent ones be replicas, but with different replication interval. Dig into this for more details.

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