This utility allows you to run an arbitrary command in a container on an ECS cluster. It is similar to the aws-cli command aws ecs run-task however with a number of benefits:
- Can wait for the ECS task to finish before exiting
- Exits with the exit code of the command which was run in the container
- Can stream the output from the command (if the container uses AWS Cloudwatch logging driver)
- Can override placement requirements (CPU and memory) of both the container to run the task in and other containers in the task definition
- Doesn't require a JSON object to be constructed and passed on the command line for such overrides (making it easier to use in some CI/CD systems)
usage: ecs-run-cmd [-h] [--cluster ECS_CLUSTER]
[--task-definition ECS_TASK_DEF] [--region AWS_REGION]
[--profile AWS_PROFILE] [--count TASK_COUNT]
[--started-by TASK_STARTED_BY]
[--cmd-container CMD_CONTAINER]
[--cmd-container-cpu CMD_CONTAINER_CPU]
[--cmd-container-memory-reservation CMD_CONTAINER_MEMORY_RESERVATION]
[--cmd-container-memory-limit CMD_CONTAINER_MEMORY_LIMIT]
[--other-container-cpu OTHER_CONTAINER_CPU]
[--other-container-memory-reservation OTHER_CONTAINER_MEMORY_RESERVATION]
[--other-container-memory-limit OTHER_CONTAINER_MEMORY_LIMIT]
[--wait] [--timeout TIMEOUT] [--logs] [--quiet]
[COMMAND [COMMAND ...]]
Runs an arbitrary command in a container on an ECS cluster. Optionally wait for it to finish and stream log output.
positional arguments:
COMMAND Command to run (default: -)
optional arguments:
-h, --help show this help message and exit
--cluster ECS_CLUSTER
Name of ECS cluster to run the task (default: -)
--task-definition ECS_TASK_DEF
Task definition to run (default: -)
--region AWS_REGION AWS region in which the ECS cluster resides (default:
-)
--profile AWS_PROFILE
AWS profile to use (default: -)
--count TASK_COUNT Number of instances of the task to start (default: 1)
--started-by TASK_STARTED_BY
Tag to pass to AWS to identify what started the task
(default: 'ecs-run-task')
--cmd-container CMD_CONTAINER
Which container to run the command in (default: -)
--cmd-container-cpu CMD_CONTAINER_CPU
Required CPU unit reservation for the command
container (default: -)
--cmd-container-memory-reservation CMD_CONTAINER_MEMORY_RESERVATION
Required memory reservation for the command container
reservation (MB) (default: -)
--cmd-container-memory-limit CMD_CONTAINER_MEMORY_LIMIT
Memory limit for command container - will be killed if
exceeds this (MB) (default: -)
--other-container-cpu OTHER_CONTAINER_CPU
Required CPU unit reservation for other containers
(default: -)
--other-container-memory-reservation OTHER_CONTAINER_MEMORY_RESERVATION
Required memory reservation for other containers (MB)
(default: -)
--other-container-memory-limit OTHER_CONTAINER_MEMORY_LIMIT
Memory limit for other containers - will be killed if
exceed this (MB) (default: -)
--wait Wait for command to exit (default: False)
--timeout TIMEOUT Timeout (in seconds) when --wait or --logs is
specified. Zero to wait indefinitely (default).
(default: 0)
--logs Stream cloudwatch log output from command (implies
--wait) (default: False)
--quiet Do not output periodicadlly to stderr whilst the
process is running (default: False)
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