131 lines
5.4 KiB
HCL
131 lines
5.4 KiB
HCL
resource "datadog_monitor" "redis_cache_hits" {
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count = var.cache_hits_enabled == "true" ? 1 : 0
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name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Elasticache redis cache hit ratio {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
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message = coalesce(var.cache_hits_message, var.message)
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type = "query alert"
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query = <<EOQ
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${var.cache_hits_time_aggregator}(${var.cache_hits_timeframe}): default(
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avg:aws.elasticache.cache_hits${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}.as_rate() / (
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avg:aws.elasticache.cache_hits${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}.as_rate() +
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avg:aws.elasticache.cache_misses${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}.as_rate())
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* 100, 100) < ${var.cache_hits_threshold_critical}
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EOQ
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thresholds = {
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warning = var.cache_hits_threshold_warning
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critical = var.cache_hits_threshold_critical
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}
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evaluation_delay = var.evaluation_delay
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new_host_delay = var.new_host_delay
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notify_no_data = false
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renotify_interval = 0
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notify_audit = false
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timeout_h = 0
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include_tags = true
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locked = false
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require_full_window = false
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tags = concat(["env:${var.environment}", "type:cloud", "provider:aws", "resource:elasticache-redis", "team:claranet", "created-by:terraform", "engine:redis"], var.cache_hits_extra_tags)
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lifecycle {
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ignore_changes = [silenced]
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}
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}
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resource "datadog_monitor" "redis_cpu_high" {
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count = var.cpu_high_enabled == "true" ? 1 : 0
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name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Elasticache redis CPU {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
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message = coalesce(var.cpu_high_message, var.message)
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type = "query alert"
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query = <<EOQ
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${var.cpu_high_time_aggregator}(${var.cpu_high_timeframe}): (
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avg:aws.elasticache.engine_cpuutilization${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}
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) > ${var.cpu_high_threshold_critical}
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EOQ
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evaluation_delay = var.evaluation_delay
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new_host_delay = var.new_host_delay
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notify_no_data = var.notify_no_data
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no_data_timeframe = var.redis_cpu_high_no_data_timeframe
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renotify_interval = 0
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notify_audit = false
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timeout_h = 0
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include_tags = true
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locked = false
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require_full_window = false
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tags = concat(["env:${var.environment}", "type:cloud", "provider:aws", "resource:elasticache-redis", "team:claranet", "created-by:terraform", "engine:redis"], var.cpu_high_extra_tags)
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lifecycle {
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ignore_changes = [silenced]
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}
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}
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resource "datadog_monitor" "redis_replication_lag" {
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count = var.replication_lag_enabled == "true" ? 1 : 0
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name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Elasticache redis replication lag {{#is_alert}}{{{comparator}}} {{threshold}}s ({{value}}s){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}s ({{value}}s){{/is_warning}}"
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message = coalesce(var.replication_lag_message, var.message)
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type = "query alert"
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query = <<EOQ
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${var.replication_lag_time_aggregator}(${var.replication_lag_timeframe}): (
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avg:aws.elasticache.replication_lag${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}
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) > ${var.replication_lag_threshold_critical}
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EOQ
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thresholds = {
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warning = var.replication_lag_threshold_warning
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critical = var.replication_lag_threshold_critical
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}
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evaluation_delay = var.evaluation_delay
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new_host_delay = var.new_host_delay
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notify_no_data = false
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renotify_interval = 0
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notify_audit = false
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timeout_h = 0
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include_tags = true
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locked = false
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require_full_window = false
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tags = concat(["env:${var.environment}", "type:cloud", "provider:aws", "resource:elasticache-redis", "team:claranet", "created-by:terraform", "engine:redis"], var.replication_lag_extra_tags)
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lifecycle {
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ignore_changes = [silenced]
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}
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}
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resource "datadog_monitor" "redis_commands" {
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count = var.commands_enabled == "true" ? 1 : 0
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name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Elasticache redis is receiving no commands"
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message = coalesce(var.commands_message, var.message)
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type = "query alert"
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query = <<EOQ
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sum(${var.commands_timeframe}): (
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avg:aws.elasticache.get_type_cmds${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}.as_count() +
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avg:aws.elasticache.set_type_cmds${module.filter-tags.query_alert} by {region,cacheclusterid,cachenodeid}.as_count()
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) <= 0
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EOQ
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evaluation_delay = var.evaluation_delay
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new_host_delay = var.new_host_delay
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notify_no_data = false
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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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tags = concat(["env:${var.environment}", "type:cloud", "provider:aws", "resource:elasticache-redis", "team:claranet", "created-by:terraform", "engine:redis"], var.commands_extra_tags)
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lifecycle {
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ignore_changes = [silenced]
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}
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}
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