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miquido-terraform-ecs-alb-task

Provide ECS Service and Task configuration with ALB attachement

Terraform Module

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint Terraform code

Requirements

Name Version
terraform >= 0.13.0
aws >= 4.7

Providers

Name Version
aws >= 4.7

Modules

Name Source Version
appmesh git::https://github.com/miquido/terraform-app-mesh-service.git 1.0.9
autoscaling git::https://github.com/cloudposse/terraform-aws-ecs-cloudwatch-autoscaling.git 0.7.3
container git::https://github.com/cloudposse/terraform-aws-ecs-container-definition 0.58.1
ecs-alb-task-envoy-proxy git::https://github.com/miquido/terraform-ecs-envoy 1.1.12
ecs-service-alarms git::https://github.com/cloudposse/terraform-aws-ecs-cloudwatch-sns-alarms.git 0.12.3
label git::https://github.com/cloudposse/terraform-terraform-label 0.8.0
task git::https://github.com/cloudposse/terraform-aws-ecs-alb-service-task 0.71.0

Resources

Name Type
aws_cloudwatch_log_group.app resource
aws_iam_role_policy.ecs-exec-secret-manager resource
aws_iam_role_policy.ecs-exec-ssm-secrets resource
aws_iam_policy_document.ecs-exec-secret-manager data source
aws_iam_policy_document.ecs-exec-ssm-secrets data source

Inputs

Name Description Type Default Required
additional_containers Additional container definitions to include in the task. List of JSON Map formats should be used (see cloudposse/terraform-aws-ecs-container-definition module output: json_map_encoded) list(string) 
[
  ""
]
 no
additional_port_mappings The port mappings to configure for the container. This is a list of maps. Each map should contain "containerPort", "hostPort", and "protocol", where "protocol" is one of "tcp" or "udp". If using containers in a task with the awsvpc or host network mode, the hostPort can either be left blank or set to the same value as the containerPort 
list(object({
    containerPort = number
    hostPort      = number
    protocol      = string
  }))
 [] no
alb_security_group Security group of the ALB string "" no
alb_target_group_arn The ALB target group ARN for the ECS service string "" no
app_mesh_aws_service_discovery_private_dns_namespace app mesh private DNS namespace 
object({
    name        = string
    id          = string
    hosted_zone = string
  })
 null no
app_mesh_egress_ignored_ports App mesh egress ignored ports string "" no
app_mesh_enable Should app mesh resources be created for this service bool false no
app_mesh_health_check_path service health check path for app mesh string null no
app_mesh_id app mesh id to create service entry string null no
app_mesh_route53_zone app_mesh route zone to create service entry 
object({
    id   = string
    name = string
  })
 null no
app_protocol Protocol of the app. f.e. http or tcp string "http" no
assign_public_ip Assign a public IP address to the ENI (Fargate launch type only). Valid values are true or false. Default false. bool false no
autoscaling_dimension Dimension to autoscale on (valid options: cpu, memory) string "cpu" no
autoscaling_enabled A boolean to enable/disable Autoscaling policy for ECS Service bool false no
autoscaling_max_capacity Maximum number of running instances of a Service number 2 no
autoscaling_min_capacity Minimum number of running instances of a Service number 1 no
autoscaling_scale_down_adjustment Scaling adjustment to make during scale down event number -1 no
autoscaling_scale_down_cooldown Period (in seconds) to wait between scale down events number 300 no
autoscaling_scale_up_adjustment Scaling adjustment to make during scale up event number 1 no
autoscaling_scale_up_cooldown Period (in seconds) to wait between scale up events number 60 no
capacity_provider_strategies The capacity provider strategies to use for the service. See capacity_provider_strategy configuration block: https://www.terraform.io/docs/providers/aws/r/ecs_service.html#capacity_provider_strategy 
list(object({
    capacity_provider = string
    weight            = number
    base              = number
  }))
 [] no
circuit_breaker_deployment_enabled Whether to enable the deployment circuit breaker logic for the service bool false no
circuit_breaker_rollback_enabled Whether to enable Amazon ECS to roll back the service if a service deployment fails bool false no
command The command that is passed to the container list(string) null no
container_cpu The number of cpu units to reserve for the container. This is optional for tasks using Fargate launch type and the total amount of container_cpu of all containers in a task will need to be lower than the task-level cpu value number null no
container_depends_on The dependencies defined for container startup and shutdown. A container can contain multiple dependencies. When a dependency is defined for container startup, for container shutdown it is reversed. The condition can be one of START, COMPLETE, SUCCESS or HEALTHY 
list(object({
    containerName = string
    condition     = string
  }))
 [] no
container_image The image used to start the container. Images in the Docker Hub registry available by default string n/a yes
container_memory The amount of memory (in MiB) to allow the container to use. This is a hard limit, if the container attempts to exceed the container_memory, the container is killed. This field is optional for Fargate launch type and the total amount of container_memory of all containers in a task will need to be lower than the task memory value number null no
container_memory_reservation The amount of memory (in MiB) to reserve for the container. If container needs to exceed this threshold, it can do so up to the set container_memory hard limit number null no
container_port The port on the container to associate with the load balancer number 80 no
container_tag n/a string "latest" no
deployment_controller_type Type of deployment controller. Valid values: CODE_DEPLOY, ECS. string "ECS" no
deployment_maximum_percent The upper limit of the number of tasks (as a percentage of desired_count) that can be running in a service during a deployment number 200 no
deployment_minimum_healthy_percent The lower limit (as a percentage of desired_count) of the number of tasks that must remain running and healthy in a service during a deployment number 100 no
desired_count The number of instances of the task definition to place and keep running number 1 no
dns_servers Container DNS servers. This is a list of strings specifying the IP addresses of the DNS servers list(string) null no
docker_labels The configuration options to send to the docker_labels map(string) null no
docker_volumes Task docker volume definitions as list of configuration objects. You cannot define both Docker volumes and EFS volumes on the same task definition. 
list(object({
    host_path = string
    name      = string
    docker_volume_configuration = list(object({
      autoprovision = bool
      driver        = string
      driver_opts   = map(string)
      labels        = map(string)
      scope         = string
    }))
  }))
 [] no
ecs_alarms_alarm_description The string to format and use as the alarm description. string "Average service %v utilization %v last %d minute(s) over %v period(s)" no
ecs_alarms_cpu_utilization_high_alarm_actions A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High Alarm action list(string) [] no
ecs_alarms_cpu_utilization_high_evaluation_periods Number of periods to evaluate for the alarm number 1 no
ecs_alarms_cpu_utilization_high_ok_actions A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization High OK action list(string) [] no
ecs_alarms_cpu_utilization_high_period Duration in seconds to evaluate for the alarm number 300 no
ecs_alarms_cpu_utilization_high_threshold The maximum percentage of CPU utilization average number 80 no
ecs_alarms_cpu_utilization_low_alarm_actions A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization Low Alarm action list(string) [] no
ecs_alarms_cpu_utilization_low_evaluation_periods Number of periods to evaluate for the alarm number 1 no
ecs_alarms_cpu_utilization_low_ok_actions A list of ARNs (i.e. SNS Topic ARN) to notify on CPU Utilization Low OK action list(string) [] no
ecs_alarms_cpu_utilization_low_period Duration in seconds to evaluate for the alarm number 300 no
ecs_alarms_cpu_utilization_low_threshold The minimum percentage of CPU utilization average number 20 no
ecs_alarms_enabled A boolean to enable/disable CloudWatch Alarms for ECS Service metrics bool false no
ecs_alarms_memory_utilization_high_alarm_actions A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High Alarm action list(string) [] no
ecs_alarms_memory_utilization_high_evaluation_periods Number of periods to evaluate for the alarm number 1 no
ecs_alarms_memory_utilization_high_ok_actions A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization High OK action list(string) [] no
ecs_alarms_memory_utilization_high_period Duration in seconds to evaluate for the alarm number 300 no
ecs_alarms_memory_utilization_high_threshold The maximum percentage of Memory utilization average number 80 no
ecs_alarms_memory_utilization_low_alarm_actions A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization Low Alarm action list(string) [] no
ecs_alarms_memory_utilization_low_evaluation_periods Number of periods to evaluate for the alarm number 1 no
ecs_alarms_memory_utilization_low_ok_actions A list of ARNs (i.e. SNS Topic ARN) to notify on Memory Utilization Low OK action list(string) [] no
ecs_alarms_memory_utilization_low_period Duration in seconds to evaluate for the alarm number 300 no
ecs_alarms_memory_utilization_low_threshold The minimum percentage of Memory utilization average number 20 no
ecs_cluster_arn The ARN of the ECS cluster where service will be provisioned string n/a yes
ecs_cluster_name The Name of the ECS cluster where service will be provisioned. Required for alarms. string "" no
ecs_default_alb_enabled Whether to create default load balancer configuration with attached provided ALB Target group to main container. Requires setting alb_target_group_arn variable. bool true no
ecs_load_balancers A list of load balancer config objects for the ECS service; see load_balancer docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html 
list(object({
    container_name   = string
    container_port   = number
    elb_name         = string
    target_group_arn = string
  }))
 [] no
efs_volumes Task EFS volume definitions as list of configuration objects. You cannot define both Docker volumes and EFS volumes on the same task definition. 
list(object({
    host_path = string
    name      = string
    efs_volume_configuration = list(object({
      file_system_id          = string
      root_directory          = string
      transit_encryption      = string
      transit_encryption_port = string
      authorization_config = list(object({
        access_point_id = string
        iam             = string
      }))
    }))
  }))
 [] no
enable_ecs_managed_tags Specifies whether to enable Amazon ECS managed tags for the tasks within the service bool true no
entrypoint The entry point that is passed to the container list(string) null no
environment Environment name string "" no
envoy_health_check_start_period when envoy container should start performing health checks number null no
envs The environment variables to pass to the container. This is a list of maps 
list(object({
    name  = string
    value = string
  }))
 [] no
essential Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value bool true no
exec_enabled Specifies whether to enable Amazon ECS Exec for the tasks within the service bool false no
extra_hosts A list of hostnames and IP address mappings to append to the /etc/hosts file on the container. This is a list of maps 
list(object({
    ipAddress = string
    hostname  = string
  }))
 null no
firelens_configuration The FireLens configuration for the container. This is used to specify and configure a log router for container logs. For more details, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_FirelensConfiguration.html 
object({
    type    = string
    options = map(string)
  })
 null no
force_new_deployment Enable to force a new task deployment of the service. bool false no
health_check_grace_period_seconds Seconds to ignore failing load balancer health checks on newly instantiated tasks to prevent premature shutdown, up to 7200. Only valid for services configured to use load balancers string 0 no
healthcheck A map containing command (string), timeout, interval (duration in seconds), retries (1-10, number of times to retry before marking container unhealthy), and startPeriod (0-300, optional grace period to wait, in seconds, before failed healthchecks count toward retries) 
object({
    command     = list(string)
    retries     = number
    timeout     = number
    interval    = number
    startPeriod = number
  })
 null no
ignore_changes_desired_count Whether to ignore changes for desired count in the ECS service bool false no
ignore_changes_task_definition Whether to ignore changes in container definition and task definition in the ECS service bool true no
launch_type The launch type on which to run your service. Valid values are EC2 and FARGATE string "FARGATE" no
links List of container names this container can communicate with without port mappings list(string) null no
linux_parameters Linux-specific modifications that are applied to the container, such as Linux kernel capabilities. For more details, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_LinuxParameters.html 
object({
    capabilities = object({
      add  = list(string)
      drop = list(string)
    })
    devices = list(object({
      containerPath = string
      hostPath      = string
      permissions   = list(string)
    }))
    initProcessEnabled = bool
    maxSwap            = number
    sharedMemorySize   = number
    swappiness         = number
    tmpfs = list(object({
      containerPath = string
      mountOptions  = list(string)
      size          = number
    }))
  })
 null no
log_configuration Log configuration options to send to a custom log driver for the container. For more details, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_LogConfiguration.html 
object({
    logDriver = string
    options   = map(string)
    secretOptions = list(object({
      name      = string
      valueFrom = string
    }))
  })
 null no
log_retention Specifies the number of days you want to retain log events in the specified log group. Option has no effect when custom "log_configuration" variable is specified. number 7 no
logs_region AWS Logs Region string n/a yes
mount_points Container mount points. This is a list of maps, where each map should contain a containerPath and sourceVolume. The readOnly key is optional. list(any) [] no
name Resource common name string n/a yes
network_mode The network mode to use for the task. This is required to be awsvpc for FARGATE launch_type string "awsvpc" no
ordered_placement_strategy Service level strategy rules that are taken into consideration during task placement. List from top to bottom in order of precedence. The maximum number of ordered_placement_strategy blocks is 5. See ordered_placement_strategy docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html#ordered_placement_strategy-1 
list(object({
    type  = string
    field = string
  }))
 [] no
platform_version The platform version on which to run your service. Only applicable for launch_type set to FARGATE. More information about Fargate platform versions can be found in the AWS ECS User Guide. string "1.4.0" no
privileged When this variable is true, the container is given elevated privileges on the host container instance (similar to the root user). This parameter is not supported for Windows containers or tasks using the Fargate launch type. Due to how Terraform type casts booleans in json it is required to double quote this value string null no
project Account/Project Name string n/a yes
propagate_tags Specifies whether to propagate the tags from the task definition or the service to the tasks. The valid values are SERVICE and TASK_DEFINITION. string "SERVICE" no
proxy_configuration The proxy configuration details for the App Mesh proxy. See proxy_configuration docs https://www.terraform.io/docs/providers/aws/r/ecs_task_definition.html#proxy-configuration-arguments 
object({
    type           = string
    container_name = string
    properties     = map(string)
  })
 null no
readonly_root_filesystem Determines whether a container is given read-only access to its root filesystem. Due to how Terraform type casts booleans in json it is required to double quote this value bool false no
redeploy_on_apply Updates the service to the latest task definition on each apply bool false no
repository_credentials Container repository credentials; required when using a private repo. This map currently supports a single key; "credentialsParameter", which should be the ARN of a Secrets Manager's secret holding the credentials map(string) null no
runtime_platform Zero or one runtime platform configurations that containers in your task may use.
Map of strings with optional keys operating_system_family and cpu_architecture.
See runtime_platform docs https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ecs_task_definition#runtime_platform		 list(map(string)) [] no
scheduling_strategy The scheduling strategy to use for the service. The valid values are REPLICA and DAEMON. Note that Fargate tasks do not support the DAEMON scheduling strategy. string "REPLICA" no
secret_manager_enabled Adds IAM Policy for reading secrets from Secrets Manager (use 'secretsmanager_secrets_resources' to limit access to the Secret managers resources) bool false no
secrets The secrets to pass to the container. This is a list of maps 
list(object({
    name      = string
    valueFrom = string
  }))
 [] no
secretsmanager_secrets_resources Limit access to the Secrets Manager when 'secret_manager_enabled' is enabled. By default all resources are allowed to be read. list(string) 
[
  "*"
]
 no
security_group_description The Security Group description. string "ECS service Security Group" no
security_group_ids Security group IDs to allow in Service network_configuration list(string) n/a yes
security_group_rules A list of maps of Security Group rules.
The values of map is fully complated with aws_security_group_rule resource.
To get more info see https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule .		 list(any) 
[
  {
    "cidr_blocks": [
      "0.0.0.0/0"
    ],
    "description": "Allow all outbound traffic",
    "from_port": 0,
    "protocol": -1,
    "to_port": 0,
    "type": "egress"
  },
  {
    "cidr_blocks": [
      "0.0.0.0/0"
    ],
    "description": "Enables ping command from anywhere, see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/security-group-rules-reference.html#sg-rules-ping",
    "from_port": 8,
    "protocol": "icmp",
    "to_port": 0,
    "type": "ingress"
  }
]
 no
security_group_use_name_prefix Whether to create a default Security Group with unique name beginning with the normalized prefix. bool false no
service_placement_constraints The rules that are taken into consideration during task placement. Maximum number of placement_constraints is 10. See placement_constraints docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html#placement_constraints-1 
list(object({
    type       = string
    expression = string
  }))
 [] no
service_registries The service discovery registries for the service. The maximum number of service_registries blocks is 1. The currently supported service registry is Amazon Route 53 Auto Naming Service - aws_service_discovery_service; see service_registries docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html#service_registries-1 
list(object({
    registry_arn   = string
    port           = number
    container_name = string
    container_port = number
  }))
 [] no
ssm_secrets_enabled Adds IAM Policy for reading secrets from Systems Manager Paramameter Store (use 'ssm_secrets_resources' to limit access to the SSM resources) bool false no
ssm_secrets_resources Limit access to the SSM Parameters when 'enable_secrets_from_ssm' is enabled. By default all resources are allowed to be read. list(string) 
[
  "*"
]
 no
start_timeout Time duration (in seconds) to wait before giving up on resolving dependencies for a container number 30 no
stop_timeout Time duration (in seconds) to wait before the container is forcefully killed if it doesn't exit normally on its own number 30 no
subnet_ids Subnet IDs list(string) n/a yes
system_controls A list of namespaced kernel parameters to set in the container, mapping to the --sysctl option to docker run. This is a list of maps: { namespace = "", value = ""} list(map(string)) null no
tags Tags to apply on repository map(string) {} no
task_cpu The number of CPU units used by the task. If using FARGATE launch type task_cpu must match supported memory values (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html#task_size) number 256 no
task_memory The amount of memory (in MiB) used by the task. If using Fargate launch type task_memory must match supported cpu value (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html#task_size) number 512 no
task_placement_constraints A set of placement constraints rules that are taken into consideration during task placement. Maximum number of placement_constraints is 10. See placement_constraints docs https://www.terraform.io/docs/providers/aws/r/ecs_task_definition.html#placement-constraints-arguments 
list(object({
    type       = string
    expression = string
  }))
 [] no
task_role_arn The ARN of IAM role that allows your Amazon ECS container task to make calls to other AWS services string "" no
ulimits Container ulimit settings. This is a list of maps, where each map should contain "name", "hardLimit" and "softLimit" 
list(object({
    name      = string
    hardLimit = number
    softLimit = number
  }))
 null no
user The user to run as inside the container. Can be any of these formats: user, user:group, uid, uid:gid, user:gid, uid:group string null no
volumes_from A list of VolumesFrom maps which contain "sourceContainer" (name of the container that has the volumes to mount) and "readOnly" (whether the container can write to the volume) 
list(object({
    sourceContainer = string
    readOnly        = bool
  }))
 null no
vpc_id The VPC ID where resources are created string n/a yes
working_directory The working directory to run commands inside the container string null no

Outputs

Name Description
app_mesh_service_dns Service DNS available inside app mesh
container_name ECS task container name
ecs_exec_role_policy_id The ECS service role policy ID, in the form of role_name:role_policy_name
ecs_exec_role_policy_name ECS service role name
log_group_arn The Amazon Resource Name (ARN) specifying the log group
log_group_name The name of the log group
service_name ECS Service name
service_role_arn ECS Service role ARN
task_definition_family ECS task definition family
task_definition_revision ECS task definition revision
task_exec_role_arn ECS Task exec role ARN
task_exec_role_name ECS Task role name
task_role_arn ECS Task role ARN
task_role_name ECS Task role name

Developing

  1. Make changes in terraform files

  2. Regenerate documentation

    bash <(git archive --remote=git@gitlab.com:miquido/terraform/terraform-readme-update.git master update.sh | tar -xO)

  3. Run lint

    make lint

Copyright

Copyright © 2017-2023 Miquido

Contributors

Konrad Obal
Konrad Obal

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