ecs-task is a command line tool to run a task on the ECS. The feature is
- Wait for completion of the task execution
- Get logs from CloudWatch Logs and output in stream
This is a command line tool, but you can use task as a package.
So when you write own task execition script for AWS ECS, you can embed task package in your golang source code and customize task recipe.
Please check godoc.
Get binary from GitHub:
$ wget https://github.com/h3poteto/ecs-task/releases/download/v0.2.1/ecs-task_v0.2.1_linux_amd64.zip
$ unzip ecs-task_v0.2.1_linux_amd64.zip
$ ./ecs-task help
Run a task on ECS
Usage:
ecs-task [command]
Available Commands:
help Help about any command
run Run a task on ECS
version Print the version number
Flags:
-h, --help help for ecs-task
--profile string AWS profile (detault is none, and use environment variables)
--region string AWS region (default is none, and use AWS_DEFAULT_REGION)
-v, --verbose Enable verbose mode
Use "ecs-task [command] --help" for more information about a command.
Please provide a command to --command.
$ ./ecs-task run --cluster=base-default-prd --container=task --task-definition=fascia-web-prd-task --command="echo 'hoge'" --region=ap-northeast-1
[2018-11-10 19:13:15 0900 JST] hoge
And if the command is failed on ECS, ecs-task exit with error.
$ ./ecs-task run --cluster=base-default-prd --container=task --task-definition=fascia-web-prd-task --command="hoge" --region=ap-northeast-1
[2018-11-10 18:29:24 0900 JST] ./entrypoint.sh: exec: line 13: hoge: not found
FATA[0015] exit code: 127
exit status 1
$ echo $?
1
If you want to run the task as Fargate, please provide fargate flag and your subnet IDs.
$ ./ecs-task run --cluster=base-default-prd --container=task --task-definition=fascia-web-prd-task --command='echo "hoge"' --fargate=true --subnets='subnet-12easdb,subnet-34asbdf' --region=ap-northeast-1
Below is a basic IAM Policy required for ecs-task.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowUserToECSTask",
"Effect": "Allow",
"Action": [
"ecs:DescribeTaskDefinition",
"ecs:RunTask",
"ecs:DescribeTasks",
"ecs:ListTasks",
"logs:DescribeLogStreams",
"logs:GetLogEvents",
"iam:PassRole"
],
"Resource": "*"
}
]
}The package is available as open source under the terms of the MIT License.
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