42 lines
1.6 KiB
HCL
42 lines
1.6 KiB
HCL
data "template_file" "filter" {
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template = "$${filter}"
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vars {
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filter = "${var.filter_tags_use_defaults == "true" ? format("dd_monitoring:enabled,dd_aws_red:enabled,env:%s", var.environment) : "${var.filter_tags_custom}"}"
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}
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}
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resource "datadog_monitor" "redis_cache_miss" {
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name = "[${var.environment}] Elasticache Redis cache miss {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
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message = "${coalesce(var.cache_miss_message, var.message)}"
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type = "metric alert"
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query = <<EOF
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${var.cache_miss_aggregator}(${var.cache_miss_timeframe}): (
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${var.cache_miss_aggregator}:aws.elasticache.cache_misses{${data.template_file.filter.rendered}} by {region,name} /
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(${var.cache_miss_aggregator}:aws.elasticache.cache_hits{${data.template_file.filter.rendered}} by {region,name} +
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${var.cache_miss_aggregator}:aws.elasticache.cache_misses{${data.template_file.filter.rendered}} by {region,name})
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) > ${var.cache_miss_threshold_critical}
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EOF
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thresholds {
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warning = "${var.cache_miss_threshold_warning}"
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critical = "${var.cache_miss_threshold_critical}"
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}
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notify_no_data = true
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evaluation_delay = "${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.cache_miss_silenced}"
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tags = ["env:${var.environment}", "resource:redis", "team:aws", "provider:aws"]
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}
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