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MON-32 - Fix redis_cpu_high monitor

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Alexandre Gaillet 2018-05-25 17:13:50 +02:00 committed by Quentin Manfroi
parent ada70533d7
commit 299beab1a4
2 changed files with 51 additions and 54 deletions
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92
cloud/aws/elasticache/redis/locals.tf
View File

@ -1,53 +1,53 @@
locals {
core = {
cache.t2.micro = "1"
cache.t2.small = "1"
cache.t2.medium = "2"
cache.m3.medium = "1"
cache.m3.large = "2"
cache.m3.xlarge = "4"
cache.m3.2xlarge = "8"
cache.m4.large = "2"
cache.m4.xlarge = "4"
cache.m4.2xlarge = "8"
cache.m4.4xlarge = "16"
cache.m4.10xlarge = "40"
cache.r3.large = "2"
cache.r3.xlarge = "4"
cache.r3.2xlarge = "8"
cache.r3.4xlarge = "16"
cache.r3.8xlarge = "32"
cache.r4.large = "2"
cache.r4.xlarge = "4"
cache.r4.2xlarge = "8"
cache.r4.4xlarge = "16"
cache.r4.8xlarge = "32"
cache.r4.16xlarge = "64"
cache.t2.micro = 1
cache.t2.small = 1
cache.t2.medium = 2
cache.m3.medium = 1
cache.m3.large = 2
cache.m3.xlarge = 4
cache.m3.2xlarge = 8
cache.m4.large = 2
cache.m4.xlarge = 4
cache.m4.2xlarge = 8
cache.m4.4xlarge = 16
cache.m4.10xlarge = 40
cache.r3.large = 2
cache.r3.xlarge = 4
cache.r3.2xlarge = 8
cache.r3.4xlarge = 16
cache.r3.8xlarge = 32
cache.r4.large = 2
cache.r4.xlarge = 4
cache.r4.2xlarge = 8
cache.r4.4xlarge = 16
cache.r4.8xlarge = 32
cache.r4.16xlarge = 64
}
memory = {
cache.t2.micro = "595926712"
cache.t2.small = "1664299827"
cache.t2.medium = "3457448673"
cache.m3.medium = "2985002270"
cache.m3.large = "6496138035"
cache.m3.xlarge = "14280766259"
cache.m3.2xlarge = "29957396889"
cache.m4.large = "6893422510"
cache.m4.xlarge = "15333033246"
cache.m4.2xlarge = "31890132172"
cache.m4.4xlarge = "65262028062"
cache.m4.10xlarge = "166043435663"
cache.r3.large = "14495514624"
cache.r3.xlarge = "30494267801"
cache.r3.2xlarge = "62491774156"
cache.r3.4xlarge = "126701535232"
cache.r3.8xlarge = "254476812288"
cache.r4.large = "13207024435"
cache.r4.xlarge = "26897232691"
cache.r4.2xlarge = "54191749857"
cache.r4.4xlarge = "108855946117"
cache.r4.8xlarge = "218248763146"
cache.r4.16xlarge = "437012922368"
cache.t2.micro = 595926712
cache.t2.small = 1664299827
cache.t2.medium = 3457448673
cache.m3.medium = 2985002270
cache.m3.large = 6496138035
cache.m3.xlarge = 14280766259
cache.m3.2xlarge = 29957396889
cache.m4.large = 6893422510
cache.m4.xlarge = 15333033246
cache.m4.2xlarge = 31890132172
cache.m4.4xlarge = 65262028062
cache.m4.10xlarge = 166043435663
cache.r3.large = 14495514624
cache.r3.xlarge = 30494267801
cache.r3.2xlarge = 62491774156
cache.r3.4xlarge = 126701535232
cache.r3.8xlarge = 254476812288
cache.r4.large = 13207024435
cache.r4.xlarge = 26897232691
cache.r4.2xlarge = 54191749857
cache.r4.4xlarge = 108855946117
cache.r4.8xlarge = 218248763146
cache.r4.16xlarge = 437012922368
}
}

13
cloud/aws/elasticache/redis/monitors-redis.tf
View File

@ -53,20 +53,17 @@ resource "datadog_monitor" "redis_cpu_high" {
name = "[${var.environment}] Elasticache redis CPU {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
message = "${coalesce(var.cpu_high_message, var.message)}"
count = "${length(keys(local.core))}"
type = "metric alert"
query = <<EOF
${var.cpu_high_time_aggregator}(${var.cpu_high_timeframe}): (
avg:aws.elasticache.cpuutilization{${data.template_file.filter.rendered}} by {region,cacheclusterid,cachenodeid}
) > ( ${var.cpu_high_threshold_critical} / ${local.core[var.elasticache_size]} )
avg:aws.elasticache.cpuutilization{dd_monitoring:enabled,dd_aws_red:enabled,env:${var.environment},cache_node_type:${element(keys(local.core), count.index)}} by {region,cacheclusterid,cachenodeid}
) > ${var.cpu_high_threshold_critical / element(values(local.core), count.index)}
EOF
thresholds {
warning = "${var.cpu_high_threshold_warning}"
critical = "${var.cpu_high_threshold_critical}"
}
notify_no_data = true
notify_no_data = false
evaluation_delay = "${var.delay}"
renotify_interval = 0
notify_audit = false