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Instance metadata is data about your instance that you can use to configure or manage the running instance. Instance metadata is divided into categories, for example, hostname, events, and security groups. You can also use instance metadata to access user data that you specified when launching your instance. For example, you can specify parameters for configuring your instance, or include a simple script. You can build generic AMIs and use user data to modify the configuration files supplied at launch time. For example, if you run web servers for various small businesses, they can all use the same generic AMI and retrieve their content from the Amazon S3 bucket that you specify in the user data at launch. To add a new customer at any time, create a bucket for the customer, add their content, and launch your AMI with the unique bucket name provided to your code in the user data. If you launch more than one instance at the same time, the user data is available to all instances.
Features
- Simulate Spot Instance Interruption (ITN) & EC2 Rebalance Recommendation events for Spot instances
- Delay mock response from the mock serve start time
- Configure metadata in mock responses via CLI flags, config file, env variables
- IMDSv1 and v2 support (configurable for IMDSv2 support only)
- Save processed configuration to a local file
- AEMM supports most metadata categories
Project Samples
