Atlantis is tool which provides unified workflow for collaborating on Terraform through GitHub, GitLab and Bitbucket Cloud.
Before using Atlantis and the code in this repository, please make sure that you have read and understood the security implications described in the official Atlantis documentation.
GitHub is shown below in usage examples; however, any git provider supported by Atlantis can be used by simply using the correct Atlantis environment variables and configuring the respective webhook for the given git provider.
See the Supplemental Docs for additional details on integrating with git providers.
The Atlantis module creates all resources required to run Atlantis on AWS Fargate.
module "atlantis" {
source = "terraform-aws-modules/atlantis/aws"
name = "atlantis"
# ECS Container Definition
atlantis = {
environment = [
{
name = "ATLANTIS_GH_USER"
value = "myuser"
},
{
name = "ATLANTIS_REPO_ALLOWLIST"
value = "github.com/terraform-aws-modules/*"
},
]
secrets = [
{
name = "ATLANTIS_GH_TOKEN"
valueFrom = "arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes256-7g8H9i"
},
{
name = "ATLANTIS_GH_WEBHOOK_SECRET"
valueFrom = "arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes192-4D5e6F"
},
]
}
# ECS Service
service = {
task_exec_secret_arns = [
"arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes256-7g8H9i",
"arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes192-4D5e6F",
]
# Provide Atlantis permission necessary to create/destroy resources
tasks_iam_role_policies = {
AdministratorAccess = "arn:aws:iam::aws:policy/AdministratorAccess"
}
}
service_subnets = ["subnet-xyzde987", "subnet-slkjf456", "subnet-qeiru789"]
vpc_id = "vpc-1234556abcdef"
# ALB
alb_subnets = ["subnet-abcde012", "subnet-bcde012a", "subnet-fghi345a"]
certificate_domain_name = "example.com"
route53_zone_id = "Z2ES7B9AZ6SHAE"
tags = {
Environment = "dev"
Terraform = "true"
}
}The Atlantis module creates most of resources required to run Atlantis on AWS Fargate, except for the ECS Cluster and ALB. This allows you to integrate Atlantis with your existing AWS infrastructure.
module "atlantis" {
source = "terraform-aws-modules/atlantis/aws"
name = "atlantis"
# Existing cluster
create_cluster = false
cluster_arn = "arn:aws:ecs:eu-west-1:123456789012:cluster/default"
# Existing ALB
create_alb = false
alb_target_group_arn = "arn:aws:elasticloadbalancing:eu-west-1:1234567890:targetgroup/bluegreentarget1/209a844cd01825a4"
alb_security_group_id = "sg-12345678"
# ECS Container Definition
atlantis = {
environment = [
{
name = "ATLANTIS_GH_USER"
value = "myuser"
},
{
name = "ATLANTIS_REPO_ALLOWLIST"
value = "github.com/terraform-aws-modules/*"
},
]
secrets = [
{
name = "ATLANTIS_GH_TOKEN"
valueFrom = "arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes256-7g8H9i"
},
{
name = "ATLANTIS_GH_WEBHOOK_SECRET"
valueFrom = "arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes192-4D5e6F"
},
]
}
# ECS Service
service = {
task_exec_secret_arns = [
"arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes256-7g8H9i",
"arn:aws:secretsmanager:eu-west-1:111122223333:secret:aes192-4D5e6F",
]
# Provide Atlantis permission necessary to create/destroy resources
tasks_iam_role_policies = {
AdministratorAccess = "arn:aws:iam::aws:policy/AdministratorAccess"
}
}
service_subnets = ["subnet-xyzde987", "subnet-slkjf456", "subnet-qeiru789"]
vpc_id = "vpc-1234556abcdef"
tags = {
Environment = "dev"
Terraform = "true"
}
}You can enable EFS to ensure that any plan outputs are persisted to EFS in the event that the Atlantis Task is replaced:
```hcl
module "atlantis" {
source = "terraform-aws-modules/atlantis/aws"
# Truncated for brevity ...
# EFS
enable_efs = true
efs = {
mount_targets = {
"eu-west-1a" = {
subnet_id = "subnet-xyzde987"
}
"eu-west-1b" = {
subnet_id = "subnet-slkjf456"
}
"eu-west-1c" = {
subnet_id = "subnet-qeiru789"
}
}
}
}server-atlantis.yaml
repos:
- id: /.*/
allow_custom_workflows: true
allowed_overrides:
- apply_requirements
- workflow
apply_requirements:
- approved
workflow: defaultmain.tf
module "atlantis" {
source = "terraform-aws-modules/atlantis/aws"
# ...
atlantis = {
environment = [
{
name : "ATLANTIS_REPO_CONFIG_JSON",
value : jsonencode(yamldecode(file("${path.module}/server-atlantis.yaml"))),
},
]
}
}| Name | Version |
|---|---|
| terraform | >= 1.0 |
No providers.
| Name | Source | Version |
|---|---|---|
| acm | terraform-aws-modules/acm/aws | 5.0.0 |
| alb | terraform-aws-modules/alb/aws | 9.1.0 |
| ecs_cluster | terraform-aws-modules/ecs/aws//modules/cluster | 5.11.0 |
| ecs_service | terraform-aws-modules/ecs/aws//modules/service | 5.11.0 |
| efs | terraform-aws-modules/efs/aws | 1.3.1 |
No resources.
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| alb | Map of values passed to ALB module definition. See the ALB module for full list of arguments supported | any |
{} |
no |
| alb_https_default_action | Default action for the ALB https listener | any |
{ |
no |
| alb_security_group_id | ID of an existing security group that will be used by ALB. Required if create_alb is false |
string |
"" |
no |
| alb_subnets | List of subnets to place ALB in. Required if create_alb is true |
list(string) |
[] |
no |
| alb_target_group_arn | ARN of an existing ALB target group that will be used to route traffic to the Atlantis service. Required if create_alb is false |
string |
"" |
no |
| atlantis | Map of values passed to Atlantis container definition. See the ECS container definition module for full list of arguments supported | any |
{} |
no |
| atlantis_gid | GID of the atlantis user | number |
1000 |
no |
| atlantis_uid | UID of the atlantis user | number |
100 |
no |
| certificate_arn | ARN of certificate issued by AWS ACM. If empty, a new ACM certificate will be created and validated using Route53 DNS | string |
"" |
no |
| certificate_domain_name | Route53 domain name to use for ACM certificate. Route53 zone for this domain should be created in advance. Specify if it is different from value in route53_zone_name |
string |
"" |
no |
| cluster | Map of values passed to ECS cluster module definition. See the ECS cluster module for full list of arguments supported | any |
{} |
no |
| cluster_arn | ARN of an existing ECS cluster where resources will be created. Required when create_cluster is false |
string |
"" |
no |
| create | Controls if resources should be created (affects nearly all resources) | bool |
true |
no |
| create_alb | Determines whether to create an ALB or not | bool |
true |
no |
| create_certificate | Determines whether to create an ACM certificate or not. If false, certificate_arn must be provided |
bool |
true |
no |
| create_cluster | Whether to create an ECS cluster or not | bool |
true |
no |
| create_route53_records | Determines whether to create Route53 A and AAAA records for the loadbalancer |
bool |
true |
no |
| efs | Map of values passed to EFS module definition. See the EFS module for full list of arguments supported | any |
{} |
no |
| enable_efs | Determines whether to create and utilize an EFS filesystem | bool |
false |
no |
| name | Common name to use on all resources created unless a more specific name is provided | string |
"atlantis" |
no |
| route53_record_name | Name of Route53 record to create ACM certificate in and main A-record. If null is specified, var.name is used instead. Provide empty string to point root domain name to ALB. | string |
null |
no |
| route53_zone_id | Route53 zone ID to use for ACM certificate and Route53 records | string |
"" |
no |
| service | Map of values passed to ECS service module definition. See the ECS service module for full list of arguments supported | any |
{} |
no |
| service_subnets | List of subnets to place ECS service within | list(string) |
[] |
no |
| tags | A map of tags to add to all resources | map(string) |
{} |
no |
| validate_certificate | Determines whether to validate ACM certificate using Route53 DNS. If false, certificate will be created but not validated |
bool |
true |
no |
| vpc_id | ID of the VPC where the resources will be provisioned | string |
"" |
no |
| Name | Description |
|---|---|
| alb | ALB created and all of its associated outputs |
| cluster | ECS cluster created and all of its associated outputs |
| efs | EFS created and all of its associated outputs |
| service | ECS service created and all of its associated outputs |
| url | URL of Atlantis |
Module is maintained by Anton Babenko with help from these awesome contributors.
Apache 2 Licensed. See LICENSE for full details.
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