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AWS Amazon Machine Images
-------------------------
An Amazon Machine Image (AMI) provides the information required to launch an
instance. CSIT is using Amazon EBS where the root device for an instance
launched from the AMI is an Amazon Elastic Block Store (Amazon EBS) volume
created from an Amazon EBS snapshot.
A the TG and SUT instances have slightly different software requirements,
we are defining two AMIs for TG and SUT separately. AMI details examples:
- AMI Name: csit_c5n_ubuntu_focal_tg
- Platform details: Linux/UNIX
- Architecture: x86_64
- Usage operation: RunInstances
- Image Type: machine
- Virtualization type: hvm
- Description: CSIT TG image based on Ubuntu Focal
- Root Device Name: /dev/sda1
- Root Device Type: ebs
- AMI Name: csit_c5n_ubuntu_focal_sut
- Platform details: Linux/UNIX
- Architecture: x86_64
- Usage operation: RunInstances
- Image Type: machine
- Virtualization type: hvm
- Description: CSIT SUT image based on Ubuntu Focal
- Root Device Name: /dev/sda1
- Root Device Type: ebs
Both TG and SUT AMIs are created manually before launching topology and are not
part of automated scripts. To create CSIT AMIs:
::
cd csit/fdio.infra.packer/aws_c5n/
packer init
packer build
Building AMIs requires Hashicorp Packer with Amazon plugin installed.
Reference
---------
.. [aws_ami] `Amazon Machine Images <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html>`_
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