[英]Take ECS Task Definition environment variables from Terraform input variables
我正在嘗試使用 Terraform 部署 ECS 任務定義。 這是我的 ECS 任務定義資源代碼:
resource "aws_ecs_task_definition" "my_TD" {
family = "my_container"
container_definitions = <<DEFINITION
[{
"name": "my_container",
"image": "${format("%s:qa", var.my_ecr_arn)}",
"portMappings": [
{
"containerPort": 80,
"hostPort": 80
}
],
"memory": 300,
"networkMode": "awsvpc",
"environment": [
{
"name": "PORT",
"value": "80"
},
{
"name": "Token",
"value": "xxxxxxxx"
}
]
}
]
DEFINITION
requires_compatibilities = ["EC2"]
network_mode = "awsvpc"
cpu = "256"
memory = "512"
task_role_arn = var.ecs_role
execution_role_arn = var.ecs_role
}
環境變量在這里是硬編碼的。 因此,我嘗試從 terraform 輸入中獲取這些環境變量。 所以,我修改了:
variable "my_env_variables"{
default = [
{
"name": "PORT",
"value": "80"
},
{
"name": "token",
"value": "xxxxx"
}
]
}
...
...
"environment" : "${var.my_env_variables}"
...
...
它給了我這樣的問題:
var.my_env_variables is tuple with 1 element
Cannot include the given value in a string template: string required.
我是 Terraform 的新手。 我該如何解決這個問題?
您需要 json 字符串,您可以使用jsonencode獲取該字符串。 因此,您可以嘗試以下操作:
resource "aws_ecs_task_definition" "my_TD" {
family = "my_container"
container_definitions = <<DEFINITION
[{
"name": "my_container",
"image": "${format("%s:qa", var.my_ecr_arn)}",
"portMappings": [
{
"containerPort": 80,
"hostPort": 80
}
],
"memory": 300,
"networkMode": "awsvpc",
"environment": ${jsonencode(var.my_env_variables)}
}
]
DEFINITION
requires_compatibilities = ["EC2"]
network_mode = "awsvpc"
cpu = "256"
memory = "512"
task_role_arn = var.ecs_role
execution_role_arn = var.ecs_role
}
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