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role.go
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/
role.go
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package iam
import (
"fmt"
"os"
"github.com/aws/aws-sdk-go/aws"
awsiam "github.com/aws/aws-sdk-go/service/iam"
)
const ecsTaskExecutionRoleName = "ecsTaskExecutionRole"
const ecsTaskExecutionPolicyArn = "arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy"
const ecsTaskExecutionRoleAssumeRolePolicyDocument = `{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "",
"Effect": "Allow",
"Principal": {
"Service": "ecs-tasks.amazonaws.com"
},
"Action": "sts:AssumeRole"
}
]
}`
func (iam *IAM) CreateEcsTaskExecutionRole() string {
getRoleResp, err := iam.svc.GetRole(
&awsiam.GetRoleInput{
RoleName: aws.String(ecsTaskExecutionRoleName),
},
)
if err == nil {
return *getRoleResp.Role.Arn
}
createRoleResp, err := iam.svc.CreateRole(
&awsiam.CreateRoleInput{
AssumeRolePolicyDocument: aws.String(ecsTaskExecutionRoleAssumeRolePolicyDocument),
RoleName: aws.String(ecsTaskExecutionRoleName),
},
)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
ecsTaskExecutionRoleArn := *createRoleResp.Role.Arn
_, err = iam.svc.AttachRolePolicy(
&awsiam.AttachRolePolicyInput{
RoleName: aws.String(ecsTaskExecutionRoleName),
PolicyArn: aws.String(ecsTaskExecutionPolicyArn),
},
)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
return ecsTaskExecutionRoleArn
}