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Service Catalog Version 0.108.7Last updated in version 0.95.1

Amazon Elasticsearch Service

View SourceRelease Notes

Overview

This service contains code to deploy an Amazon Elasticsearch Service cluster. See the Amazon Elasticsearch Service documentation and the Getting Started page for more information.

Features

  • A fully-managed native Elasticsearch cluster in a VPC
  • A fully functional Kibana UI
  • VPC-based security
  • Zone awareness, i.e., deployment of Elasticsearch nodes across Availability Zones
  • Automatic nightly snapshots
  • CloudWatch Alarms for alerting when CPU, memory, and disk metrics exceed certain thresholds

Learn

note

This repo is a part of the Gruntwork Service Catalog, a collection of reusable, battle-tested, production ready infrastructure code. If you’ve never used the Service Catalog before, make sure to read How to use the Gruntwork Service Catalog!

Deploy

Non-production deployment (quick start for learning)

If you just want to try this repo out for experimenting and learning, check out the following resources:

  • examples/for-learning-and-testing folder: The examples/for-learning-and-testing folder contains standalone sample code optimized for learning, experimenting, and testing (but not direct production usage).

  • AWS Free tier: Using Amazon ES on Amazon’s free tier is a great way to get started, but it has limited features and does not include encryption at rest, ultra warm data notes, or advanced security options such as fine-grained access control. The free tier does allow multiple availability zones, VPC-based access control, TLS-only requests, and node-to-node encryption.

Production deployment

If you want to deploy this repo in production, check out the following resources:

Sample Usage

main.tf

# ------------------------------------------------------------------------------------------------------
# DEPLOY GRUNTWORK'S ELASTICSEARCH MODULE
#
# NOTE: This module uses some sensitive variables marked inline with "# SENSITIVE".
# When using values other than defaults for these variables, set them through environment variables or
# another secure method.
#
# ------------------------------------------------------------------------------------------------------

module "elasticsearch" {

source = "git::git@github.com:gruntwork-io/terraform-aws-service-catalog.git//modules/data-stores/elasticsearch?ref=v0.108.7"

# ----------------------------------------------------------------------------------------------------
# REQUIRED VARIABLES
# ----------------------------------------------------------------------------------------------------

# The name of the Elasticsearch cluster. It must be unique to your account and
# region, start with a lowercase letter, contain between 3 and 28 characters,
# and contain only lowercase letters a-z, the numbers 0-9, and the hyphen (-).
domain_name = <string>

# The number of instances to deploy in the Elasticsearch cluster. This must be
# an even number if zone_awareness_enabled is true.
instance_count = <number>

# The instance type to use for Elasticsearch data nodes (e.g.,
# t2.small.elasticsearch, or m4.large.elasticsearch). For supported instance
# types see
# https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/aes-supported-instance-types.html.
instance_type = <string>

# The size in GiB of the EBS volume for each node in the cluster (e.g. 10, or
# 512). For volume size limits see
# https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/aes-limits.html.
volume_size = <number>

# The type of EBS volumes to use in the cluster. Must be one of: standard,
# gp2, io1, sc1, or st1. For a comparison of EBS volume types, see
# https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/ebs-volume-types.html.
volume_type = <string>

# Whether to deploy the Elasticsearch nodes across two Availability Zones
# instead of one. Note that if you enable this, the instance_count MUST be an
# even number.
zone_awareness_enabled = <bool>

# ----------------------------------------------------------------------------------------------------
# OPTIONAL VARIABLES
# ----------------------------------------------------------------------------------------------------

# Key-value string pairs to specify advanced configuration options. Note that
# the values for these configuration options must be strings (wrapped in
# quotes).
advanced_options = {}

# Enable fine grain access control
advanced_security_options = false

# ARNs of the SNS topics associated with the CloudWatch alarms for the
# Elasticsearch cluster.
alarm_sns_topic_arns = []

# The list of network CIDR blocks to allow network access to Aurora from. One
# of var.allow_connections_from_cidr_blocks or
# var.allow_connections_from_security_groups must be specified for the
# database to be reachable.
allow_connections_from_cidr_blocks = []

# The list of IDs or Security Groups to allow network access to Aurora from.
# All security groups must either be in the VPC specified by var.vpc_id, or a
# peered VPC with the VPC specified by var.vpc_id. One of
# var.allow_connections_from_cidr_blocks or
# var.allow_connections_from_security_groups must be specified for the
# database to be reachable.
allow_connections_from_security_groups = []

# Hour during which the service takes an automated daily snapshot of the
# indices in the domain. This setting has no effect on Elasticsearch 5.3 and
# later.
automated_snapshot_start_hour = 0

# Number of Availability Zones for the domain to use with
# var.zone_awareness_enabled. Defaults to 2. Valid values: 2 or 3.
availability_zone_count = 2

# The period, in seconds, over which to measure the CPU utilization percentage
cluster_high_cpu_utilization_period = 60

# Trigger an alarm if the Elasticsearch cluster has a CPU utilization
# percentage above this threshold
cluster_high_cpu_utilization_threshold = 90

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_high_cpu_utilization_treat_missing_data = "missing"

# The period, in seconds, over which to measure the JVM heap usage percentage
cluster_high_jvm_memory_pressure_period = 60

# Trigger an alarm if the JVM heap usage percentage goes above this threshold
cluster_high_jvm_memory_pressure_threshold = 90

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_high_jvm_memory_pressure_treat_missing_data = "missing"

# The maximum amount of time, in seconds, that ClusterIndexWritesBlocked can
# be in red status before triggering an alarm
cluster_index_writes_blocked_period = 300

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_index_writes_blocked_treat_missing_data = "missing"

# The period, in seconds, over which to measure the CPU credit balance
cluster_low_cpu_credit_balance_period = 60

# Trigger an alarm if the CPU credit balance drops below this threshold. Only
# used if var.instance_type is t2.xxx.
cluster_low_cpu_credit_balance_threshold = 10

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_low_cpu_credit_balance_treat_missing_data = "missing"

# The period, in seconds, over which to measure the available free storage
# space
cluster_low_free_storage_space_period = 60

# Trigger an alarm if the amount of free storage space, in Megabytes, on the
# Elasticsearch cluster drops below this threshold
cluster_low_free_storage_space_threshold = 1024

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_low_free_storage_space_treat_missing_data = "missing"

# The maximum amount of time, in seconds, during with the
# AutomatedSnapshotFailure can be in red status before triggering an alarm
cluster_snapshot_period = 60

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_snapshot_treat_missing_data = "missing"

# The maximum amount of time, in seconds, during which the cluster can be in
# red status before triggering an alarm
cluster_status_red_period = 300

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_status_red_treat_missing_data = "missing"

# The maximum amount of time, in seconds, during which the cluster can be in
# yellow status before triggering an alarm
cluster_status_yellow_period = 300

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
cluster_status_yellow_treat_missing_data = "missing"

# Whether or not the Service Linked Role for Elasticsearch should be created
# within this module. Normally the service linked role is created
# automatically by AWS when creating the Elasticsearch domain in the web
# console, but API does not implement this logic. You can either have AWS
# automatically manage this by creating a domain manually in the console, or
# manage it in terraform using the landing zone modules or this variable.
create_service_linked_role = false

# Fully qualified domain for your custom endpoint.
custom_endpoint = null

# ACM certificate ARN for your custom endpoint.
custom_endpoint_certificate_arn = null

# Whether to enable custom endpoint for the Elasticsearch domain.
custom_endpoint_enabled = false

# A map of custom tags to apply to the ElasticSearch Domain. The key is the
# tag name and the value is the tag value.
custom_tags = {}

# The number of dedicated master nodes to run. We recommend setting this to 3
# for production deployments. Only used if var.dedicated_master_enabled is
# true.
dedicated_master_count = null

# Whether to deploy separate nodes specifically for performing cluster
# management tasks (e.g. tracking number of nodes, monitoring health,
# replicating changes). This increases the stability of large clusters and is
# required for clusters with more than 10 nodes.
dedicated_master_enabled = false

# The instance type for the dedicated master nodes. These nodes can use a
# different instance type than the rest of the cluster. Only used if
# var.dedicated_master_enabled is true.
dedicated_master_type = null

# Set to false to disable EBS volumes. This is useful for nodes that have
# optimized instance storage, like hosts running the i3 instance type.
ebs_enabled = true

# The version of Elasticsearch to deploy.
elasticsearch_version = "7.7"

# Set to true to enable several basic CloudWatch alarms around CPU usage,
# memory usage, and disk space usage. If set to true, make sure to specify SNS
# topics to send notifications to using var.alarms_sns_topic_arns.
enable_cloudwatch_alarms = true

# False by default because encryption at rest is not included in the free
# tier. When true, the Elasticsearch domain storage will be encrypted at rest
# using the KMS key described with var.encryption_kms_key_id. We strongly
# recommend configuring a custom KMS key instead of using the shared service
# key for a better security posture when configuring encryption at rest.
enable_encryption_at_rest = true

# Whether to enable node-to-node encryption.
enable_node_to_node_encryption = true

# The ID of the KMS key to use to encrypt the Elasticsearch domain storage.
# Only used if enable_encryption_at_rest. When null, uses the aws/es service
# KMS key.
encryption_kms_key_id = null

# The ARNS of the IAM users and roles to which to allow full access to the
# Elasticsearch cluster. Setting this to a restricted list is useful when
# using a public access cluster.
iam_principal_arns = ["*"]

# Whether the internal user database is enabled. Enable this to use master
# accounts. Only used if advanced_security_options is set to true.
internal_user_database_enabled = false

# The baseline input/output (I/O) performance of EBS volumes attached to data
# nodes. Must be between 1000 and 4000. Applicable only if var.volume_type is
# io1.
iops = null

# Whether the cluster is publicly accessible.
is_public = false

# The maximum amount of time, in seconds, that KMSKeyError can be in red
# status before triggering an alarm
kms_key_error_period = 60

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
kms_key_error_treat_missing_data = "missing"

# The maximum amount of time, in seconds, that KMSKeyInaccessible can be in
# red status before triggering an alarm
kms_key_inaccessible_period = 60

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
kms_key_inaccessible_treat_missing_data = "missing"

# The period, in seconds, over which to measure the master nodes' CPU
# utilization
master_cpu_utilization_period = 900

# Trigger an alarm if the Elasticsearch cluster master nodes have a CPU
# utilization percentage above this threshold
master_cpu_utilization_threshold = 50

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
master_cpu_utilization_treat_missing_data = "missing"

# The period, in seconds, over which to measure the master nodes' JVM memory
# pressure
master_jvm_memory_pressure_period = 900

# Trigger an alarm if the Elasticsearch cluster master nodes have a JVM memory
# pressure percentage above this threshold
master_jvm_memory_pressure_threshold = 80

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
master_jvm_memory_pressure_treat_missing_data = "missing"

# ARN of the master user. Only used if advanced_security_options and
# internal_user_database_enabled are set to true.
master_user_arn = null

# Master account user name. Only used if advanced_security_options and
# internal_user_database_enabled are set to true.
master_user_name = null

# Master account user password. Only used if advanced_security_options and
# internal_user_database_enabled are set to true. WARNING: this password will
# be stored in Terraform state.
master_user_password = null # SENSITIVE

# Whether to monitor KMS key statistics
monitor_kms_key = false

# Whether to monitor master node statistics
monitor_master_nodes = false

# The period, in seconds, over which to measure the master nodes' CPU
# utilization
node_count_period = 86400

# Sets how this alarm should handle entering the INSUFFICIENT_DATA state.
# Based on
# https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data.
# Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.
node_count_treat_missing_data = "missing"

# List of VPC Subnet IDs for the Elasticsearch domain endpoints to be created
# in. If var.zone_awareness_enabled is true, the first 2 or 3 provided subnet
# ids are used, depending on var.availability_zone_count. Otherwise only the
# first one is used.
subnet_ids = []

# The name of the TLS security policy that needs to be applied to the HTTPS
# endpoint. Valid values are Policy-Min-TLS-1-0-2019-07 and
# Policy-Min-TLS-1-2-2019-07. Terraform performs drift detection if this is
# configured.
tls_security_policy = "Policy-Min-TLS-1-2-2019-07"

# How long to wait for updates to the ES cluster before timing out and
# reporting an error.
update_timeout = "90m"

# The id of the VPC to deploy into. It must be in the same region as the
# Elasticsearch domain and its tenancy must be set to Default. If
# zone_awareness_enabled is false, the Elasticsearch cluster will have an
# endpoint in one subnet of the VPC; otherwise it will have endpoints in two
# subnets.
vpc_id = null

}


Reference

Required

domain_namestringrequired

The name of the Elasticsearch cluster. It must be unique to your account and region, start with a lowercase letter, contain between 3 and 28 characters, and contain only lowercase letters a-z, the numbers 0-9, and the hyphen (-).

instance_countnumberrequired

The number of instances to deploy in the Elasticsearch cluster. This must be an even number if zone_awareness_enabled is true.

instance_typestringrequired

The instance type to use for Elasticsearch data nodes (e.g., t2.small.elasticsearch, or m4.large.elasticsearch). For supported instance types see https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/aes-supported-instance-types.html.

volume_sizenumberrequired

The size in GiB of the EBS volume for each node in the cluster (e.g. 10, or 512). For volume size limits see https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/aes-limits.html.

volume_typestringrequired

The type of EBS volumes to use in the cluster. Must be one of: standard, gp2, io1, sc1, or st1. For a comparison of EBS volume types, see https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/ebs-volume-types.html.

Whether to deploy the Elasticsearch nodes across two Availability Zones instead of one. Note that if you enable this, the instance_count MUST be an even number.

Optional

advanced_optionsmap(any)optional

Key-value string pairs to specify advanced configuration options. Note that the values for these configuration options must be strings (wrapped in quotes).

Any types represent complex values of variable type. For details, please consult `variables.tf` in the source repo.
{}

Enable fine grain access control

false
alarm_sns_topic_arnslist(string)optional

ARNs of the SNS topics associated with the CloudWatch alarms for the Elasticsearch cluster.

[]

The list of network CIDR blocks to allow network access to Aurora from. One of allow_connections_from_cidr_blocks or allow_connections_from_security_groups must be specified for the database to be reachable.

[]

The list of IDs or Security Groups to allow network access to Aurora from. All security groups must either be in the VPC specified by vpc_id, or a peered VPC with the VPC specified by vpc_id. One of allow_connections_from_cidr_blocks or allow_connections_from_security_groups must be specified for the database to be reachable.

[]

Hour during which the service takes an automated daily snapshot of the indices in the domain. This setting has no effect on Elasticsearch 5.3 and later.

0

Number of Availability Zones for the domain to use with zone_awareness_enabled. Defaults to 2. Valid values: 2 or 3.

2

The period, in seconds, over which to measure the CPU utilization percentage

60

Trigger an alarm if the Elasticsearch cluster has a CPU utilization percentage above this threshold

90

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The period, in seconds, over which to measure the JVM heap usage percentage

60

Trigger an alarm if the JVM heap usage percentage goes above this threshold

90

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The maximum amount of time, in seconds, that ClusterIndexWritesBlocked can be in red status before triggering an alarm

300

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The period, in seconds, over which to measure the CPU credit balance

60

Trigger an alarm if the CPU credit balance drops below this threshold. Only used if instance_type is t2.xxx.

10

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The period, in seconds, over which to measure the available free storage space

60

Trigger an alarm if the amount of free storage space, in Megabytes, on the Elasticsearch cluster drops below this threshold

1024

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The maximum amount of time, in seconds, during with the AutomatedSnapshotFailure can be in red status before triggering an alarm

60

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The maximum amount of time, in seconds, during which the cluster can be in red status before triggering an alarm

300

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The maximum amount of time, in seconds, during which the cluster can be in yellow status before triggering an alarm

300

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

Whether or not the Service Linked Role for Elasticsearch should be created within this module. Normally the service linked role is created automatically by AWS when creating the Elasticsearch domain in the web console, but API does not implement this logic. You can either have AWS automatically manage this by creating a domain manually in the console, or manage it in terraform using the landing zone modules or this variable.

false
custom_endpointstringoptional

Fully qualified domain for your custom endpoint.

null

ACM certificate ARN for your custom endpoint.

null

Whether to enable custom endpoint for the Elasticsearch domain.

false
custom_tagsmap(string)optional

A map of custom tags to apply to the ElasticSearch Domain. The key is the tag name and the value is the tag value.

{}

The number of dedicated master nodes to run. We recommend setting this to 3 for production deployments. Only used if dedicated_master_enabled is true.

null

Whether to deploy separate nodes specifically for performing cluster management tasks (e.g. tracking number of nodes, monitoring health, replicating changes). This increases the stability of large clusters and is required for clusters with more than 10 nodes.

false
dedicated_master_typestringoptional

The instance type for the dedicated master nodes. These nodes can use a different instance type than the rest of the cluster. Only used if dedicated_master_enabled is true.

null
ebs_enabledbooloptional

Set to false to disable EBS volumes. This is useful for nodes that have optimized instance storage, like hosts running the i3 instance type.

true
elasticsearch_versionstringoptional

The version of Elasticsearch to deploy.

"7.7"

Set to true to enable several basic CloudWatch alarms around CPU usage, memory usage, and disk space usage. If set to true, make sure to specify SNS topics to send notifications to using alarms_sns_topic_arns.

true

False by default because encryption at rest is not included in the free tier. When true, the Elasticsearch domain storage will be encrypted at rest using the KMS key described with encryption_kms_key_id. We strongly recommend configuring a custom KMS key instead of using the shared service key for a better security posture when configuring encryption at rest.

true

Whether to enable node-to-node encryption.

true
encryption_kms_key_idstringoptional

The ID of the KMS key to use to encrypt the Elasticsearch domain storage. Only used if enable_encryption_at_rest. When null, uses the aws/es service KMS key.

null
iam_principal_arnslist(string)optional

The ARNS of the IAM users and roles to which to allow full access to the Elasticsearch cluster. Setting this to a restricted list is useful when using a public access cluster.

[ "*" ]

Whether the internal user database is enabled. Enable this to use master accounts. Only used if advanced_security_options is set to true.

false
iopsnumberoptional

The baseline input/output (I/O) performance of EBS volumes attached to data nodes. Must be between 1000 and 4000. Applicable only if volume_type is io1.

null
is_publicbooloptional

Whether the cluster is publicly accessible.

false
kms_key_error_periodnumberoptional

The maximum amount of time, in seconds, that KMSKeyError can be in red status before triggering an alarm

60

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The maximum amount of time, in seconds, that KMSKeyInaccessible can be in red status before triggering an alarm

60

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The period, in seconds, over which to measure the master nodes' CPU utilization

900

Trigger an alarm if the Elasticsearch cluster master nodes have a CPU utilization percentage above this threshold

50

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"

The period, in seconds, over which to measure the master nodes' JVM memory pressure

900

Trigger an alarm if the Elasticsearch cluster master nodes have a JVM memory pressure percentage above this threshold

80

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"
master_user_arnstringoptional

ARN of the master user. Only used if advanced_security_options and internal_user_database_enabled are set to true.

null
master_user_namestringoptional

Master account user name. Only used if advanced_security_options and internal_user_database_enabled are set to true.

null
master_user_passwordstringoptional

Master account user password. Only used if advanced_security_options and internal_user_database_enabled are set to true. WARNING: this password will be stored in Terraform state.

null
monitor_kms_keybooloptional

Whether to monitor KMS key statistics

false

Whether to monitor master node statistics

false
node_count_periodnumberoptional

The period, in seconds, over which to measure the master nodes' CPU utilization

86400

Sets how this alarm should handle entering the INSUFFICIENT_DATA state. Based on https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarms-and-missing-data. Must be one of: 'missing', 'ignore', 'breaching' or 'notBreaching'.

"missing"
subnet_idslist(string)optional

List of VPC Subnet IDs for the Elasticsearch domain endpoints to be created in. If zone_awareness_enabled is true, the first 2 or 3 provided subnet ids are used, depending on availability_zone_count. Otherwise only the first one is used.

[]
tls_security_policystringoptional

The name of the TLS security policy that needs to be applied to the HTTPS endpoint. Valid values are Policy-Min-TLS-1-0-2019-07 and Policy-Min-TLS-1-2-2019-07. Terraform performs drift detection if this is configured.

"Policy-Min-TLS-1-2-2019-07"
update_timeoutstringoptional

How long to wait for updates to the ES cluster before timing out and reporting an error.

"90m"
vpc_idstringoptional

The id of the VPC to deploy into. It must be in the same region as the Elasticsearch domain and its tenancy must be set to Default. If zone_awareness_enabled is false, the Elasticsearch cluster will have an endpoint in one subnet of the VPC; otherwise it will have endpoints in two subnets.

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