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Amazon Machine Images
---------------------
An :abbr:`AMI (Amazon Machine Image)` provides the information required to
launch an instance. CSIT is using Amazon :abbr:`EBS (Elastic Block Store)` where
the root device for an instance launched from the AMI is a 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:
TG:
- 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
SUT:
- 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.
.. [aws_ami] `Amazon Machine Images <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html>`_
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