variables.tf

// labelling

variable "name" {
  type        = string
  default     = "fargate"
  description = "Name of the fargate instance"
}

variable "namespace" {
  type = string
}

variable "stage" {
  type        = string
  description = "Deployment stage i.e. environment name"
}

variable "tags" {
  type        = map(string)
  description = "A set of tags that will be applied to all resources created by this module"
}

variable "include_region" {
  type        = bool
  default     = false
  description = "If set to true the current providers region will be appended to any global AWS resources such as IAM roles"
}

variable "region" {
  type        = string
  description = "AWS Region the Fargate service is deployed to"
}

variable "vpc_id" {
  type        = string
  description = "VPC Id"
}

variable "subnet_ids" {
  type        = list(string)
  description = "A list of subnet ids the fargate service will be deployed to"
}

variable "sg_egress_cidr_blocks" {
  type        = list(string)
  default     = ["0.0.0.0/0"]
  description = "List of egress CIDR blocks that will be applied to the created Fargate service"
}

variable "ingress_sg_list" {
  type        = list(string)
  default     = []
  description = "List of ingress security groups that will be applied to the created Fargate service"
}

variable "assign_public_ip" {
  type        = bool
  default     = false
  description = "Assign public IP to the Fargate service"
}

variable "sg_list" {
  type        = list(string)
  default     = []
  description = "List of security groups that will be applied to the created Fargate service"
}

variable "target_group_arns" {
  type        = list(string)
  default     = []
  description = "A list of target group ARNs"
}

variable "port" {
  type        = number
  default     = 5060
  description = "The port the service is available from"
}

variable "ecs_cluster_arn" {
  type        = string
  description = "ECS Cluster ARN"
}

variable "fargate_platform_version" {
  type        = string
  default     = "LATEST"
  description = "The version of the Fargate platform"
}

variable "task_definition" {
  type        = string
  description = "The family and revision (family:revision) or full ARN of the task definition that you want to run in your service"
}

variable "desired_count" {
  type        = number
  description = "desired number of container instances running"
}

variable "min_healthy_percent" {
  type        = number
  default     = 100
  description = "min percent of healthy container instances"
}

variable "max_percent" {
  type        = number
  default     = 200
  description = "max percent of healthy container instances"
}

variable "wait_for_steady_state" {
  type        = bool
  default     = false
  description = "Terraform will wait for the service to reach a steady state (like aws ecs wait services-stable) before continuing"
}

variable "health_check_grace_period" {
  type        = number
  default     = 0
  description = "Number of seconds that ECS service scheduler should ignore unhealthy ELB target/container/route 53 health checks after a task enters a RUNNING state"
}

// Monitoring

variable "create_connection_error_alarm" {
  type        = bool
  default     = false
  description = "Set to true if connection error alarm should be created"
}

variable "create_target_response_time_alarm" {
  type        = bool
  default     = false
  description = "Set to true if target response time alarm should be created"
}

variable "create_unhealthy_host_count_alarm" {
  type        = bool
  default     = false
  description = "Set to true if unhealthy host count alarm should be created"
}

variable "create_request_count_alarm" {
  type        = bool
  default     = false
  description = "Set to true if request count alarm should be created"
}

variable "create_success_responses_alarm" {
  type        = bool
  default     = false
  description = "Set to true if success responses alarm should be created"
}

variable "alarm_data_missing_action" {
  type        = string
  default     = "missing"
  description = "Missing data action for success responses alarm. Possible values: missing or breaching"
}

variable "enable_slack_notifications" {
  type        = bool
  default     = false
  description = "Indicates if slack notifications should be enabled or not. If true, slack_webhook_url must be provided."
}

variable "slack_webhook_url" {
  type        = string
  default     = ""
  description = "Slack webhook URL for Cloudwatch alarm notifications"
}

variable "monit_resp_success_percentage" {
  type        = string
  default     = "99"
  description = "What percentage of requests should be responded to with 2xx"
}

variable "monit_target_response_time" {
  type        = string
  default     = "0.5"
  description = "service response time in seconds greater than or equal to"
}

variable "deployment_controller" {
  description = "Type of deployment controller. Valid values: CODE_DEPLOY, ECS, EXTERNAL. Default: ECS"
  default     = "ECS"
}

variable "monitoring_config" {
  type = list(object({
    load_balancer_arn_suffix = string
    target_group_arn_suffix  = string
    // some of the defaulted properties, such as monitoring period, can be added here
  }))
}

variable "enable_codedeploy_control" {
  type        = bool
  default     = false
  description = "Setting this variable to true configures Fargate service terraform lifecycle to ignore changes done to the task definition and load balancer config. These will be controlled by code deploy."
}

/** Autoscaling **/

variable "enable_autoscaling" {
  type        = bool
  default     = false
  description = "Indicate if autoscaling should be enabled or not"
}

variable "ecs_cluster_name" {
  type        = string
  description = "Name of the ECS cluster"
}

variable "min_count" {
  type        = number
  default     = 1
  description = "Minimum number of tasks in the service, used only when autoscaling is enabled"
}

variable "max_count" {
  type        = number
  default     = 1
  description = "Maximum number of tasks in the service, used only when autoscaling is enabled"
}

variable "memory_utilization_low_period" {
  type        = number
  default     = 300
  description = "Duration of the monitoring period"
}

variable "memory_utilization_low_threshold" {
  type        = number
  default     = 20
  description = "Low memory threshold"
}

variable "memory_utilization_high_period" {
  type        = number
  default     = 300
  description = "Duration of the monitoring period"
}

variable "memory_utilization_high_threshold" {
  type        = number
  default     = 60
  description = "High memory threshold"
}

variable "cpu_utilization_low_period" {
  type        = number
  default     = 300
  description = "Duration of the monitoring period"
}

variable "cpu_utilization_low_threshold" {
  type        = number
  default     = 20
  description = "Low CPU threshold"
}

variable "cpu_utilization_high_period" {
  type        = number
  default     = 300
  description = "Duration of the monitoring period"
}

variable "cpu_utilization_high_threshold" {
  type        = number
  default     = 60
  description = "High CPU threshold"
}

variable "low_cpu_alarm_enabled" {
  type        = bool
  description = "Indicates if the low cpu alarm is enabled"
}