Run terraform apply to create the sample infra, and then test running a command inside the container:
0% aws ecs describe-services --cluster main --services ecs-exec | grep task
"taskDefinition": "arn:aws:ecs:eu-west-1:262355063596:task-definition/ecs-exec:6",
"taskDefinition": "arn:aws:ecs:eu-west-1:262355063596:task-definition/ecs-exec:6",
"message": "(service ecs-exec) has started 1 tasks: (task 501baa96db6e41c2be390bf7d631aeba)."
0% aws ecs execute-command --cluster main \
--task 501baa96db6e41c2be390bf7d631aeba \
--container amazon-linux \
--interactive \
--command "/bin/sh"
The Session Manager plugin was installed successfully. Use the AWS CLI to start a session.
Starting session with SessionId: ecs-execute-command-044e1413fda145ea9
sh-4.2# uname -a
Linux ip-172-31-4-218.eu-west-1.compute.internal 4.14.252-195.483.amzn2.x86_64 #1 SMP Mon Nov 1 20:58:46 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
sh-4.2# env
HOSTNAME=ip-172-31-45-121.eu-west-1.compute.internal
TERM=xterm-256color
AWS_CONTAINER_CREDENTIALS_RELATIVE_URI=/v2/credentials/bbaabea1-a7d8-4071-ab34-dac0a1e7c485
AWS_EXECUTION_ENV=AWS_ECS_FARGATE
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
AWS_DEFAULT_REGION=eu-west-1
PWD=/
LANG=C.UTF-8
AWS_REGION=eu-west-1
SHLVL=1
HOME=/root
ECS_CONTAINER_METADATA_URI=http://169.254.170.2/v3/e1388fa30ec742d5aa538cf66ef9066f-4192749366
ECS_CONTAINER_METADATA_URI_V4=http://169.254.170.2/v4/e1388fa30ec742d5aa538cf66ef9066f-4192749366
_=/usr/bin/env
sh-4.2#