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terraform.tfstate* | ||
.terraform |
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## An example of ecspresso deployment with terraform | ||
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This example shows how to deploy an ECS service by ecspresso with terraform. | ||
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### Prerequisites | ||
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- [Terraform](https://www.terraform.io/) >= v1.0.0 | ||
- [ecspresso](https://github.com/kayac/ecspresso) >= v2.0.0 | ||
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#### Environment variables | ||
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- `AWS_REGION` for AWS region. (e.g. `ap-northeast-1`) | ||
- `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY`, or `AWS_PROFILE` for AWS credentials. | ||
- `AWS_SDK_LOAD_CONFIG=true` may be required if you use `AWS_PROFILE` and `~/.aws/config`. | ||
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### Usage | ||
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```console | ||
$ terraform init | ||
$ terraform apply | ||
$ ecspresso deploy | ||
``` | ||
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After completing the deployment, you can access the service via ALB. | ||
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```console | ||
$ curl -s "http://$(terraform output -raw alb_dns_name)/" | ||
``` | ||
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### Cleanup | ||
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```console | ||
$ ecspresso delete --terminate | ||
$ terraform destroy | ||
``` |
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resource "aws_lb" "main" { | ||
name = var.project | ||
internal = false | ||
load_balancer_type = "application" | ||
security_groups = [ | ||
aws_security_group.alb.id, | ||
aws_security_group.default.id, | ||
] | ||
subnets = [ | ||
aws_subnet.public-a.id, | ||
aws_subnet.public-c.id, | ||
aws_subnet.public-d.id, | ||
] | ||
tags = { | ||
Name = var.project | ||
} | ||
} | ||
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resource "aws_lb_target_group" "http" { | ||
name = "${var.project}-http" | ||
port = 80 | ||
target_type = "ip" | ||
vpc_id = aws_vpc.main.id | ||
protocol = "HTTP" | ||
deregistration_delay = 5 | ||
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health_check { | ||
path = "/" | ||
port = "traffic-port" | ||
protocol = "HTTP" | ||
healthy_threshold = 2 | ||
unhealthy_threshold = 10 | ||
timeout = 5 | ||
interval = 6 | ||
} | ||
tags = { | ||
Name = "${var.project}-http" | ||
} | ||
} | ||
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resource "aws_lb_listener" "http" { | ||
load_balancer_arn = aws_lb.main.arn | ||
port = 80 | ||
protocol = "HTTP" | ||
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default_action { | ||
type = "forward" | ||
target_group_arn = aws_lb_target_group.http.arn | ||
} | ||
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tags = { | ||
Name = "${var.project}-http" | ||
} | ||
} | ||
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output "alb_dns_name" { | ||
value = aws_lb.main.dns_name | ||
} |
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variable "project" { | ||
type = string | ||
default = "ecspresso" | ||
} | ||
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provider "aws" { | ||
region = "ap-northeast-1" | ||
default_tags { | ||
tags = { | ||
"env" = "${var.project}" | ||
} | ||
} | ||
} | ||
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terraform { | ||
required_version = ">= 1.4.0" | ||
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required_providers { | ||
aws = { | ||
source = "hashicorp/aws" | ||
version = ">= 4.65.0" | ||
} | ||
} | ||
} | ||
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data "aws_caller_identity" "current" { | ||
} |
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{ | ||
deploymentConfiguration: { | ||
deploymentCircuitBreaker: { | ||
enable: false, | ||
rollback: false, | ||
}, | ||
maximumPercent: 200, | ||
minimumHealthyPercent: 100, | ||
}, | ||
deploymentController: { | ||
type: 'ECS', | ||
}, | ||
desiredCount: 1, | ||
enableECSManagedTags: false, | ||
enableExecuteCommand: true, | ||
healthCheckGracePeriodSeconds: 0, | ||
launchType: 'FARGATE', | ||
loadBalancers: [ | ||
{ | ||
containerName: 'nginx', | ||
containerPort: 80, | ||
targetGroupArn: '{{or (env `TARGET_GROUP_ARN` ``) (tfstate `aws_lb_target_group.http.arn`) }}', | ||
}, | ||
], | ||
networkConfiguration: { | ||
awsvpcConfiguration: { | ||
assignPublicIp: 'ENABLED', | ||
securityGroups: [ | ||
'{{or (env `SECURITY_GROUP_ID` ``) (tfstate `aws_security_group.default.id`) }}', | ||
], | ||
subnets: [ | ||
'{{or (env `SUBNET_ID_AZ_A` ``) (tfstate `aws_subnet.public-a.id`) }}', | ||
'{{or (env `SUBNET_ID_AZ_C` ``) (tfstate `aws_subnet.public-c.id`) }}', | ||
'{{or (env `SUBNET_ID_AZ_D` ``) (tfstate `aws_subnet.public-d.id`) }}', | ||
], | ||
}, | ||
}, | ||
platformFamily: 'Linux', | ||
platformVersion: 'LATEST', | ||
propagateTags: 'SERVICE', | ||
schedulingStrategy: 'REPLICA', | ||
tags: [ | ||
{ | ||
key: 'env', | ||
value: 'ecspresso', | ||
}, | ||
], | ||
} |
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{ | ||
containerDefinitions: [ | ||
{ | ||
cpu: 0, | ||
essential: true, | ||
image: 'nginx:latest', | ||
logConfiguration: { | ||
logDriver: 'awslogs', | ||
options: { | ||
'awslogs-create-group': 'true', | ||
'awslogs-group': '{{tfstate `aws_cloudwatch_log_group.main.name`}}', | ||
'awslogs-region': '{{ must_env `AWS_REGION` }}', | ||
'awslogs-stream-prefix': 'nginx', | ||
}, | ||
}, | ||
name: 'nginx', | ||
portMappings: [ | ||
{ | ||
appProtocol: '', | ||
containerPort: 80, | ||
hostPort: 80, | ||
protocol: 'tcp', | ||
}, | ||
], | ||
}, | ||
{ | ||
command: [ | ||
'tail', | ||
'-f', | ||
'/dev/null', | ||
], | ||
cpu: 0, | ||
essential: true, | ||
image: 'debian:bullseye-slim', | ||
logConfiguration: { | ||
logDriver: 'awslogs', | ||
options: { | ||
'awslogs-create-group': 'true', | ||
'awslogs-group': '{{tfstate `aws_cloudwatch_log_group.main.name`}}', | ||
'awslogs-region': '{{ must_env `AWS_REGION` }}', | ||
'awslogs-stream-prefix': 'bash', | ||
}, | ||
}, | ||
name: 'bash', | ||
secrets: [ | ||
{ | ||
name: 'FOO', | ||
valueFrom: '{{tfstate `aws_ssm_parameter.foo.name`}}' | ||
}, | ||
{ | ||
name: 'BAR', | ||
valueFrom: '{{tfstate `aws_secretsmanager_secret.bar.arn`}}' | ||
}, | ||
{ | ||
name: 'JSON_KEY', | ||
valueFrom: '{{tfstate `aws_secretsmanager_secret.json.arn`}}:key::' | ||
}, | ||
], | ||
}, | ||
], | ||
cpu: '256', | ||
ephemeralStorage: { | ||
sizeInGiB: 30, | ||
}, | ||
executionRoleArn: '{{tfstate `aws_iam_role.ecs-task.arn`}}', | ||
family: 'ecspresso', | ||
memory: '512', | ||
networkMode: 'awsvpc', | ||
requiresCompatibilities: [ | ||
'FARGATE', | ||
], | ||
tags: [ | ||
{ | ||
key: 'env', | ||
value: 'ecspresso', | ||
}, | ||
], | ||
taskRoleArn: '{{tfstate `aws_iam_role.ecs-task.arn`}}', | ||
} |
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resource "aws_ecs_cluster" "main" { | ||
name = var.project | ||
tags = { | ||
Name = var.project | ||
} | ||
} |
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{ | ||
region: '{{ must_env `AWS_REGION` }}', | ||
cluster: 'ecspresso', | ||
service: 'ecspresso', | ||
service_definition: 'ecs-service-def.jsonnet', | ||
task_definition: 'ecs-task-def.jsonnet', | ||
timeout: '10m0s', | ||
plugins: [ | ||
{ | ||
name: 'tfstate', | ||
config: { | ||
path: 'terraform.tfstate', | ||
}, | ||
} | ||
], | ||
} |
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resource "aws_iam_role" "ecs-task" { | ||
name = "${var.project}-ecs-task" | ||
assume_role_policy = jsonencode({ | ||
Version = "2012-10-17" | ||
Statement = [ | ||
{ | ||
Action = "sts:AssumeRole" | ||
Principal = { | ||
Service = "ecs-tasks.amazonaws.com" | ||
} | ||
Effect = "Allow" | ||
Sid = "" | ||
} | ||
] | ||
}) | ||
} | ||
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resource "aws_iam_policy" "ecs-task" { | ||
name = var.project | ||
policy = jsonencode({ | ||
Version = "2012-10-17" | ||
Statement = [ | ||
{ | ||
Action = [ | ||
"logs:CreateLogStream", | ||
"logs:PutLogEvents", | ||
"ssm:GetParameter", | ||
"ssm:GetParameters", | ||
"secretsmanager:GetSecretValue", | ||
"ssmmessages:CreateControlChannel", | ||
"ssmmessages:CreateDataChannel", | ||
"ssmmessages:OpenControlChannel", | ||
"ssmmessages:OpenDataChannel", | ||
] | ||
Effect = "Allow" | ||
Resource = "*" | ||
} | ||
] | ||
}) | ||
} | ||
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resource "aws_iam_role_policy_attachment" "ecs-task" { | ||
role = aws_iam_role.ecs-task.name | ||
policy_arn = aws_iam_policy.ecs-task.arn | ||
} | ||
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resource "aws_iam_role" "ecs-task-execution" { | ||
name = "${var.project}-ecs-task-execution" | ||
assume_role_policy = jsonencode({ | ||
Version = "2012-10-17" | ||
Statement = [ | ||
{ | ||
Action = "sts:AssumeRole" | ||
Principal = { | ||
Service = "ecs-tasks.amazonaws.com" | ||
} | ||
Effect = "Allow" | ||
Sid = "" | ||
} | ||
] | ||
}) | ||
} | ||
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data "aws_iam_policy" "ecs-task-exection" { | ||
arn = "arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy" | ||
} | ||
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resource "aws_iam_role_policy_attachment" "ecs-task-execution" { | ||
role = aws_iam_role.ecs-task-execution.name | ||
policy_arn = data.aws_iam_policy.ecs-task-exection.arn | ||
} |
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resource "aws_cloudwatch_log_group" "main" { | ||
name = var.project | ||
retention_in_days = 7 | ||
} |
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resource "aws_ssm_parameter" "foo" { | ||
name = "/${var.project}/foo" | ||
type = "SecureString" | ||
value = "FOO" | ||
} | ||
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resource "aws_secretsmanager_secret" "bar" { | ||
name = "${var.project}-bar" | ||
} | ||
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resource "aws_secretsmanager_secret_version" "bar" { | ||
secret_id = aws_secretsmanager_secret.bar.id | ||
secret_string = "BAR" | ||
} | ||
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resource "aws_secretsmanager_secret" "json" { | ||
name = "${var.project}-json" | ||
} | ||
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resource "aws_secretsmanager_secret_version" "json" { | ||
secret_id = aws_secretsmanager_secret.json.id | ||
secret_string = jsonencode({ | ||
key = "value" | ||
}) | ||
} |
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