UPD: added more OpenSearch alarms
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@ -96,3 +96,218 @@ resource "aws_cloudwatch_metric_alarm" "ES-ClusterStatusRed" {
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}
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}
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-ThreadpoolWriteQueue" {
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alarm_name = "${var.cw-alarm-prefix}:ES:ThreadpoolWriteQueue:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "ThreadpoolWriteQueue"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-ThreadpoolWriteQueue
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alarm_description = "The cluster is experiencing high indexing concurrency. Review and control indexing requests, or increase cluster resources."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-standard]
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ok_actions = [var.sns-targets.alarm-actions-standard]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-ThreadpoolSearchQueue" {
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alarm_name = "${var.cw-alarm-prefix}:ES:ThreadpoolSearchQueue:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "ThreadpoolSearchQueue"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-ThreadpoolSearchQueue
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alarm_description = "The cluster is experiencing high search concurrency. Consider scaling your cluster. You can also increase the search queue size, but increasing it excessively can cause out of memory errors."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-standard]
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ok_actions = [var.sns-targets.alarm-actions-standard]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-ThreadpoolSearchRejected" {
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alarm_name = "${var.cw-alarm-prefix}:ES:ThreadpoolSearchRejected:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "ThreadpoolSearchRejected"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-ThreadpoolSearchRejected
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alarm_description = "These alarms notify you of domain issues that might impact performance and stability."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-ThreadpoolWriteRejected" {
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alarm_name = "${var.cw-alarm-prefix}:ES:ThreadpoolWriteRejected:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "ThreadpoolWriteRejected"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-ThreadpoolWriteRejected
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alarm_description = "These alarms notify you of domain issues that might impact performance and stability."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-MasterCPUUtilization" {
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alarm_name = "${var.cw-alarm-prefix}:ES:MasterCPUUtilization:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "MasterCPUUtilization"
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period = "300"
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statistic = "Average"
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threshold = var.threshold-MasterCPUUtilization
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alarm_description = "MasterCPUUtilization"
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-MasterJVMMemoryPressure" {
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alarm_name = "${var.cw-alarm-prefix}:ES:MasterJVMMemoryPressure:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "MasterJVMMemoryPressure"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-MasterJVMMemoryPressure
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alarm_description = "MasterJVMMemoryPressure"
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-JVMMemoryPressure" {
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alarm_name = "${var.cw-alarm-prefix}:ES:JVMMemoryPressure:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "JVMMemoryPressure"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-JVMMemoryPressure
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alarm_description = "The cluster could encounter out of memory errors if usage increases. Consider scaling vertically. OpenSearch Service uses half of an instance's RAM for the Java heap, up to a heap size of 32 GiB. You can scale instances vertically up to 64 GiB of RAM, at which point you can scale horizontally by adding instances."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-ClusterIndexWritesBlocked" {
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alarm_name = "${var.cw-alarm-prefix}:ES:ClusterIndexWritesBlocked:${var.domain-name}"
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comparison_operator = "GreaterThanThreshold"
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evaluation_periods = "2"
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metric_name = "ClusterIndexWritesBlocked"
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period = "60"
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statistic = "Average"
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threshold = var.threshold-ClusterIndexWritesBlocked
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alarm_description = "Your cluster is blocking write requests. See ClusterBlockException."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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resource "aws_cloudwatch_metric_alarm" "ES-FreeStorageSpace" {
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alarm_name = "${var.cw-alarm-prefix}:ES:FreeStorageSpace:${var.domain-name}"
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comparison_operator = "LessThanThreshold"
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evaluation_periods = "2"
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metric_name = "FreeStorageSpace"
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period = "300"
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statistic = "Average"
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threshold = var.threshold-FreeStorageSpace
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alarm_description = "A node in your cluster is low on free storage space."
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namespace = "AWS/ES"
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insufficient_data_actions = []
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actions_enabled = var.actions-enabled
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alarm_actions = [var.sns-targets.alarm-actions-urgent]
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ok_actions = [var.sns-targets.alarm-actions-urgent]
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dimensions = {
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DomainName = var.domain-name
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ClientId = data.aws_caller_identity.this.id
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}
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tags = var.default-tags
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lifecycle {
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ignore_changes = [tags]
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}
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}
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@ -1,10 +1,19 @@
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variable cw-alarm-prefix {}
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variable "cw-alarm-prefix" {}
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variable actions-enabled {}
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variable "actions-enabled" {}
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variable domain-name {}
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variable "domain-name" {}
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variable sns-targets {}
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variable "sns-targets" {}
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variable default-tags {}
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variable "default-tags" {}
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variable threshold-CPUUtilization {}
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variable "threshold-CPUUtilization" {}
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variable threshold-SearchLatency {}
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variable "threshold-SearchLatency" {}
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variable threshold-IndexingLatency {}
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variable "threshold-IndexingLatency" {}
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variable "threshold-ThreadpoolWriteQueue" {}
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variable "threshold-ThreadpoolSearchQueue" {}
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variable "threshold-ThreadpoolSearchRejected" {}
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variable "threshold-ThreadpoolWriteRejected" {}
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variable "threshold-MasterCPUUtilization" {}
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variable "threshold-MasterJVMMemoryPressure" {}
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variable "threshold-JVMMemoryPressure" {}
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variable "threshold-ClusterIndexWritesBlocked" {}
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variable "threshold-FreeStorageSpace" {}
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# variable threshold-KibanaHealthyNodes {}
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# variable threshold-KibanaHealthyNodes {}
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