Restore SSM Session Manager Plugin #1389
Merged
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This was removed in the migration to Amazon Linux 3 with the belief that there was no use case for the Session Manager Plugin being present on the agent. It has since been realised that it is quite useful. For example, the agent may be used to start ECS Tasks which perform work in other environments/network configurations (such as Database migrations during deployments).
The install script was first restored (
git checkout 2d32dfcc211b268e903a742de87bb27070c53cb7^ -- packer/linux/scripts/install-session-manager-plugin.sh
), then modified slightly per AWS documentation for Amazon Linux 3.