129 lines
5.0 KiB
HCL
129 lines
5.0 KiB
HCL
data "template_file" "filter" {
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template = "$${filter}"
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vars {
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filter = "${var.filter_tags_use_defaults == "true" ? format("dd_monitoring:enabled,dd_aws_elasticache_memcached:enabled,env:%s", var.environment) : "${var.filter_tags_custom}"}"
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}
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}
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module "datadog-monitors-aws-elasticache-common" {
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source = "../common"
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message = "${var.message}"
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environment = "${var.environment}"
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filter_tags = "${data.template_file.filter.rendered}"
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resource = "memcached"
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delay = "${var.delay}"
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eviction_message = "${var.eviction_message}"
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eviction_silenced = "${var.eviction_silenced}"
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eviction_time_aggregator = "${var.eviction_time_aggregator}"
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eviction_timeframe = "${var.eviction_timeframe}"
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eviction_growing_condition_timeframe = "${var.eviction_growing_condition_timeframe}"
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eviction_growing_timeframe = "${var.eviction_growing_timeframe}"
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eviction_growing_message = "${var.eviction_growing_message}"
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eviction_growing_silenced = "${var.eviction_growing_silenced}"
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eviction_growing_threshold_warning = "${var.eviction_growing_threshold_warning}"
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eviction_growing_threshold_critical = "${var.eviction_growing_threshold_critical}"
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free_memory_condition_timeframe = "${var.free_memory_condition_timeframe}"
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free_memory_timeframe = "${var.free_memory_timeframe}"
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free_memory_message = "${var.free_memory_message}"
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free_memory_silenced = "${var.free_memory_silenced}"
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free_memory_threshold_critical = "${var.free_memory_threshold_critical}"
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free_memory_threshold_warning = "${var.free_memory_threshold_warning}"
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max_connection_message = "${var.max_connection_message}"
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max_connection_silenced = "${var.max_connection_silenced}"
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max_connection_time_aggregator = "${var.max_connection_time_aggregator}"
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max_connection_timeframe = "${var.max_connection_timeframe}"
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no_connection_message = "${var.no_connection_message}"
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no_connection_silenced = "${var.no_connection_silenced}"
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no_connection_time_aggregator = "${var.no_connection_time_aggregator}"
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no_connection_timeframe = "${var.no_connection_timeframe}"
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swap_message = "${var.swap_message}"
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swap_silenced = "${var.swap_silenced}"
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swap_threshold_critical = "${var.swap_threshold_critical}"
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swap_threshold_warning = "${var.swap_threshold_warning}"
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swap_time_aggregator = "${var.swap_time_aggregator}"
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swap_timeframe = "${var.swap_timeframe}"
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}
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resource "datadog_monitor" "memcached_get_hits" {
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name = "[${var.environment}] Elasticache memcached get hits {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
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message = "${coalesce(var.get_hits_message, var.message)}"
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type = "metric alert"
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query = <<EOF
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sum(${var.get_hits_timeframe}): (
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avg:aws.elasticache.get_hits{${data.template_file.filter.rendered}} by {region,cacheclusterid}.as_count() /
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(avg:aws.elasticache.get_hits{${data.template_file.filter.rendered}} by {region,cacheclusterid}.as_count() +
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avg:aws.elasticache.get_misses{${data.template_file.filter.rendered}} by {region,cacheclusterid}.as_count())
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) < ${var.get_hits_threshold_critical}
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EOF
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lifecycle {
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ignore_changes = ["type"]
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}
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thresholds {
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warning = "${var.get_hits_threshold_warning}"
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critical = "${var.get_hits_threshold_critical}"
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}
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notify_no_data = true
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evaluation_delay = "${var.delay}"
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renotify_interval = 0
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notify_audit = false
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timeout_h = 0
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include_tags = true
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locked = false
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require_full_window = false
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new_host_delay = "${var.delay}"
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silenced = "${var.get_hits_silenced}"
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tags = ["env:${var.environment}", "engine:memcached", "team:aws", "provider:aws"]
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}
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resource "datadog_monitor" "memcached_cpu_high" {
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name = "[${var.environment}] Elasticache memcached CPU {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
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message = "${coalesce(var.cpu_high_message, var.message)}"
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type = "metric alert"
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query = <<EOF
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${var.cpu_high_time_aggregator}(${var.cpu_high_timeframe}): (
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avg:aws.elasticache.cpuutilization{${data.template_file.filter.rendered}} by {region,cacheclusterid,cachenodeid}
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) > ${var.cpu_high_threshold_critical}
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EOF
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lifecycle {
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ignore_changes = ["type"]
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}
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thresholds {
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warning = "${var.cpu_high_threshold_warning}"
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critical = "${var.cpu_high_threshold_critical}"
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}
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notify_no_data = true
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evaluation_delay = "${var.delay}"
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renotify_interval = 0
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notify_audit = false
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timeout_h = 0
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include_tags = true
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locked = false
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require_full_window = false
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new_host_delay = "${var.delay}"
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silenced = "${var.cpu_high_silenced}"
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tags = ["env:${var.environment}", "engine:memcached", "team:aws", "provider:aws"]
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}
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