11.5 Resource Groups & Tagging
What are tags
Key-value pairs attached to AWS resources, e.g. EC2 instances.
Metadata
Tags can sometimes be inherited
Auto-scaling, CloudFormation and Elastic Beanstalk can create other resources.
What are Resource Groups
Resource Groups make it easy to group your resources using the tags that are assigned to them. You can group resources that share one or more tags.
Resource groups contain information such as:
Region
Name
Health Checks
Specific information
For EC2 - public & private IP addresses
For ELB - port configurations
For RDS - database engine typs, etc.
Steps - Resources Groups
Create an EC2 instance, give tags "Name - Developers" and "Developers - TeamA" to it.
Go to Resource Groups
Give it a group name, tags (Name - Developers, Developers - Team A), click save.
Now, this resource group is bringing all of instances which has tags "Name - Developers, Developers - TeamA" across all regions into this group.
Click "Go", you can launch the instances in this group.
You can add columns to see more tags of a group or an instance.
Go to Tag Editor, you can edit all of your tags, and see all of your instances, and change their tags.
Highly recommend you to use Resources Groups and Tags to manage your resources on AWS.
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