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variables.tf
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variables.tf
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variable "security_groups" {
type = list(string)
default = []
description = "List of security group IDs to be allowed to connect to the cluster"
}
variable "ingress_port_range_start" {
type = number
default = 0
description = "Start number for allowed port range. (e.g. `443`)"
}
variable "ingress_port_range_end" {
type = number
default = 65535
description = "End number for allowed port range. (e.g. `443`)"
}
variable "allowed_cidr_blocks" {
type = list(string)
default = []
description = "List of CIDR blocks to be allowed to connect to the cluster"
}
variable "vpc_enabled" {
type = bool
description = "Set to false if ES should be deployed outside of VPC."
default = true
}
variable "vpc_id" {
type = string
description = "VPC ID"
default = null
}
variable "subnet_ids" {
type = list(string)
description = "VPC Subnet IDs"
default = []
}
variable "dns_zone_id" {
type = string
default = ""
description = "Route53 DNS Zone ID to add hostname records for Elasticsearch domain and Kibana"
}
variable "elasticsearch_version" {
type = string
default = "7.4"
description = "Version of Elasticsearch to deploy (_e.g._ `7.4`, `7.1`, `6.8`, `6.7`, `6.5`, `6.4`, `6.3`, `6.2`, `6.0`, `5.6`, `5.5`, `5.3`, `5.1`, `2.3`, `1.5`"
}
variable "instance_type" {
type = string
default = "t2.small.elasticsearch"
description = "Elasticsearch instance type for data nodes in the cluster"
}
variable "instance_count" {
type = number
description = "Number of data nodes in the cluster"
default = 4
}
variable "warm_enabled" {
type = bool
default = false
description = "Whether AWS UltraWarm is enabled"
}
variable "warm_count" {
type = number
default = 2
description = "Number of UltraWarm nodes"
}
variable "warm_type" {
type = string
default = "ultrawarm1.medium.elasticsearch"
description = "Type of UltraWarm nodes"
}
variable "iam_role_arns" {
type = list(string)
default = []
description = "List of IAM role ARNs to permit access to the Elasticsearch domain"
}
variable "iam_role_permissions_boundary" {
type = string
default = null
description = "The ARN of the permissions boundary policy which will be attached to the Elasticsearch user role"
}
variable "iam_authorizing_role_arns" {
type = list(string)
default = []
description = "List of IAM role ARNs to permit to assume the Elasticsearch user role"
}
variable "iam_actions" {
type = list(string)
default = []
description = "List of actions to allow for the IAM roles, _e.g._ `es:ESHttpGet`, `es:ESHttpPut`, `es:ESHttpPost`"
}
variable "zone_awareness_enabled" {
type = bool
default = true
description = "Enable zone awareness for Elasticsearch cluster"
}
variable "availability_zone_count" {
type = number
default = 2
description = "Number of Availability Zones for the domain to use."
validation {
condition = contains([2, 3], var.availability_zone_count)
error_message = "The availibility zone count must be 2 or 3."
}
}
variable "ebs_volume_size" {
type = number
description = "EBS volumes for data storage in GB"
default = 0
}
variable "ebs_volume_type" {
type = string
default = "gp2"
description = "Storage type of EBS volumes"
}
variable "ebs_iops" {
type = number
default = 0
description = "The baseline input/output (I/O) performance of EBS volumes attached to data nodes. Applicable only for the Provisioned IOPS EBS volume type"
}
variable "encrypt_at_rest_enabled" {
type = bool
default = true
description = "Whether to enable encryption at rest"
}
variable "encrypt_at_rest_kms_key_id" {
type = string
default = ""
description = "The KMS key ID to encrypt the Elasticsearch domain with. If not specified, then it defaults to using the AWS/Elasticsearch service KMS key"
}
variable "domain_endpoint_options_enforce_https" {
type = bool
default = true
description = "Whether or not to require HTTPS"
}
variable "domain_endpoint_options_tls_security_policy" {
type = string
default = "Policy-Min-TLS-1-0-2019-07"
description = "The name of the TLS security policy that needs to be applied to the HTTPS endpoint"
}
variable "log_publishing_index_enabled" {
type = bool
default = false
description = "Specifies whether log publishing option for INDEX_SLOW_LOGS is enabled or not"
}
variable "log_publishing_search_enabled" {
type = bool
default = false
description = "Specifies whether log publishing option for SEARCH_SLOW_LOGS is enabled or not"
}
variable "log_publishing_audit_enabled" {
type = bool
default = false
description = "Specifies whether log publishing option for AUDIT_LOGS is enabled or not"
}
variable "log_publishing_application_enabled" {
type = bool
default = false
description = "Specifies whether log publishing option for ES_APPLICATION_LOGS is enabled or not"
}
variable "log_publishing_index_cloudwatch_log_group_arn" {
type = string
default = ""
description = "ARN of the CloudWatch log group to which log for INDEX_SLOW_LOGS needs to be published"
}
variable "log_publishing_search_cloudwatch_log_group_arn" {
type = string
default = ""
description = "ARN of the CloudWatch log group to which log for SEARCH_SLOW_LOGS needs to be published"
}
variable "log_publishing_audit_cloudwatch_log_group_arn" {
type = string
default = ""
description = "ARN of the CloudWatch log group to which log for AUDIT_LOGS needs to be published"
}
variable "log_publishing_application_cloudwatch_log_group_arn" {
type = string
default = ""
description = "ARN of the CloudWatch log group to which log for ES_APPLICATION_LOGS needs to be published"
}
variable "automated_snapshot_start_hour" {
type = number
description = "Hour at which automated snapshots are taken, in UTC"
default = 0
}
variable "dedicated_master_enabled" {
type = bool
default = false
description = "Indicates whether dedicated master nodes are enabled for the cluster"
}
variable "dedicated_master_count" {
type = number
description = "Number of dedicated master nodes in the cluster"
default = 0
}
variable "dedicated_master_type" {
type = string
default = "t2.small.elasticsearch"
description = "Instance type of the dedicated master nodes in the cluster"
}
variable "advanced_options" {
type = map(string)
default = {}
description = "Key-value string pairs to specify advanced configuration options"
}
variable "elasticsearch_subdomain_name" {
type = string
default = ""
description = "The name of the subdomain for Elasticsearch in the DNS zone (_e.g._ `elasticsearch`, `ui`, `ui-es`, `search-ui`)"
}
variable "kibana_subdomain_name" {
type = string
default = ""
description = "The name of the subdomain for Kibana in the DNS zone (_e.g._ `kibana`, `ui`, `ui-es`, `search-ui`, `kibana.elasticsearch`)"
}
variable "create_iam_service_linked_role" {
type = bool
default = true
description = "Whether to create `AWSServiceRoleForAmazonElasticsearchService` service-linked role. Set it to `false` if you already have an ElasticSearch cluster created in the AWS account and AWSServiceRoleForAmazonElasticsearchService already exists. See https://github.com/terraform-providers/terraform-provider-aws/issues/5218 for more info"
}
variable "node_to_node_encryption_enabled" {
type = bool
default = false
description = "Whether to enable node-to-node encryption"
}
variable "iam_role_max_session_duration" {
type = number
default = 3600
description = "The maximum session duration (in seconds) for the user role. Can have a value from 1 hour to 12 hours"
}
variable "cognito_authentication_enabled" {
type = bool
default = false
description = "Whether to enable Amazon Cognito authentication with Kibana"
}
variable "cognito_user_pool_id" {
type = string
default = ""
description = "The ID of the Cognito User Pool to use"
}
variable "cognito_identity_pool_id" {
type = string
default = ""
description = "The ID of the Cognito Identity Pool to use"
}
variable "cognito_iam_role_arn" {
type = string
default = ""
description = "ARN of the IAM role that has the AmazonESCognitoAccess policy attached"
}
variable "aws_ec2_service_name" {
type = list(string)
default = ["ec2.amazonaws.com"]
description = "AWS EC2 Service Name"
}
variable "domain_hostname_enabled" {
type = bool
description = "Explicit flag to enable creating a DNS hostname for ES. If `true`, then `var.dns_zone_id` is required."
default = false
}
variable "kibana_hostname_enabled" {
type = bool
description = "Explicit flag to enable creating a DNS hostname for Kibana. If `true`, then `var.dns_zone_id` is required."
default = false
}
variable "advanced_security_options_enabled" {
type = bool
default = false
description = "AWS Elasticsearch Kibana enchanced security plugin enabling (forces new resource)"
}
variable "advanced_security_options_internal_user_database_enabled" {
type = bool
default = false
description = "Whether to enable or not internal Kibana user database for ELK OpenDistro security plugin"
}
variable "advanced_security_options_master_user_arn" {
type = string
default = ""
description = "ARN of IAM user who is to be mapped to be Kibana master user (applicable if advanced_security_options_internal_user_database_enabled set to false)"
}
variable "advanced_security_options_master_user_name" {
type = string
default = ""
description = "Master user username (applicable if advanced_security_options_internal_user_database_enabled set to true)"
}
variable "advanced_security_options_master_user_password" {
type = string
default = ""
description = "Master user password (applicable if advanced_security_options_internal_user_database_enabled set to true)"
}
variable "custom_endpoint_enabled" {
type = bool
description = "Whether to enable custom endpoint for the Elasticsearch domain."
default = false
}
variable "custom_endpoint" {
type = string
description = "Fully qualified domain for custom endpoint."
default = ""
}
variable "custom_endpoint_certificate_arn" {
type = string
description = "ACM certificate ARN for custom endpoint."
default = ""
}