Ravi Sir's Cards › AWS
Pagination and waiters
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Why do we need it?
Big lists come in pages. Scripts break if they continue too early.
What is it?
CLI auto-pages. aws ... wait blocks until a state is reached.
aws ec2 wait instance-running
How to do it
Use --max-items and --starting-token for control.
Example
Use --filters to filter on the server side.
Name=instance-state-name,Values=running