Merge branch 'MON-489_Datadog_monitors_Azure_VM_Disk' into 'master'
MON-489 "Datadog monitors azure vm disk" Closes MON-489 See merge request claranet/pt-monitoring/projects/datadog/terraform/monitors!90
This commit is contained in:
Quentin Manfroi
commit
8571ac04e9
@ -18,6 +18,7 @@ Creates DataDog monitors with the following checks:
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- Virtual Machine CPU usage
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- Virtual Machine credit CPU
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- Virtual Machine disk space
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- Virtual Machine is unreachable
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- Virtual Machine RAM reserved
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@ -39,6 +40,13 @@ Creates DataDog monitors with the following checks:
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| cpu\_usage\_threshold\_warning | Virtual Machine CPU usage in percent (warning threshold) | string | `"80"` | no |
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| cpu\_usage\_time\_aggregator | Monitor aggregator for Virtual Machine CPU [available values: min, max or avg] | string | `"min"` | no |
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| cpu\_usage\_timeframe | Monitor timeframe for Virtual Machine CPU [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_15m"` | no |
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| disk\_space\_enabled | Flag to enable Virtual Machine status monitor | string | `"true"` | no |
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| disk\_space\_extra\_tags | Extra tags for Virtual Machine free disk space monitor | list(string) | `[]` | no |
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| disk\_space\_message | Custom message for Virtual Machine CPU free disk space monitor | string | `""` | no |
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| disk\_space\_threshold\_critical | Virtual Machine free disk space in percent (critical threshold) | string | `"95"` | no |
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| disk\_space\_threshold\_warning | Virtual Machine free disk space in percent (warning threshold) | string | `"90"` | no |
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| disk\_space\_time\_aggregator | Monitor aggregator for Virtual Machine free disk space [available values: min, max or avg] | string | `"max"` | no |
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| disk\_space\_timeframe | Monitor timeframe for Virtual Machine free disk space too low [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_5m"` | no |
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| environment | Architecture environment | string | n/a | yes |
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| evaluation\_delay | Delay in seconds for the metric evaluation | string | `"900"` | no |
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| filter\_tags\_custom | Tags used for custom filtering when filter_tags_use_defaults is false | string | `"*"` | no |
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@ -66,6 +74,7 @@ Creates DataDog monitors with the following checks:
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|------|-------------|
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| virtualmachine\_cpu\_usage\_id | id for monitor virtualmachine_cpu_usage |
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| virtualmachine\_credit\_cpu\_remaining\_too\_low\_id | id for monitor virtualmachine_credit_cpu_remaining_too_low |
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| virtualmachine\_disk\_space\_id | id for monitor virtualmachine_disk_space |
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| virtualmachine\_ram\_reserved\_id | id for monitor virtualmachine_ram_reserved |
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| virtualmachine\_status\_id | id for monitor virtualmachine_status |
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@ -191,4 +191,42 @@ variable "ram_reserved_threshold_critical" {
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default = 95
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}
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variable "disk_space_enabled" {
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description = "Flag to enable Virtual Machine status monitor"
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type = string
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default = "true"
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}
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variable "disk_space_time_aggregator" {
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description = "Monitor aggregator for Virtual Machine free disk space [available values: min, max or avg]"
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type = string
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default = "max"
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}
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variable "disk_space_timeframe" {
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description = "Monitor timeframe for Virtual Machine free disk space too low [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]"
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type = string
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default = "last_5m"
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}
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variable "disk_space_threshold_critical" {
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description = "Virtual Machine free disk space in percent (critical threshold)"
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default = "95"
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}
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variable "disk_space_threshold_warning" {
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description = "Virtual Machine free disk space in percent (warning threshold)"
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default = "90"
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}
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variable "disk_space_extra_tags" {
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description = "Extra tags for Virtual Machine free disk space monitor"
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type = list(string)
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default = []
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}
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variable "disk_space_message" {
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description = "Custom message for Virtual Machine CPU free disk space monitor"
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type = string
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default = ""
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}
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@ -105,7 +105,7 @@ resource "datadog_monitor" "virtualmachine_ram_reserved" {
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type = "query alert"
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query = <<EOQ
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${var.ram_reserved_time_aggregator}(${var.ram_reserved_timeframe}):
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${var.ram_reserved_time_aggregator}(${var.ram_reserved_timeframe}):
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avg:azure.vm.memory_committed_bytes${module.filter-tags.query_alert} by {resource_group,region,name} / (
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avg:azure.vm.memory_committed_bytes${module.filter-tags.query_alert} by {resource_group,region,name} +
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avg:azure.vm.memory_available_bytes${module.filter-tags.query_alert} by {resource_group,region,name}) * 100
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@ -134,3 +134,36 @@ EOQ
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}
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}
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resource "datadog_monitor" "virtualmachine_disk_space" {
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count = var.disk_space_enabled == "true" ? 1 : 0
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name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] Virtual Machine disk space {{#is_alert}}{{{comparator}}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}}{{{comparator}}} {{warn_threshold}}% ({{value}}%){{/is_warning}}"
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message = coalesce(var.disk_space_message, var.message)
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type = "query alert"
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query = <<EOQ
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${var.disk_space_time_aggregator}(${var.disk_space_timeframe}):
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avg:azure.vm.builtin_filesystem_percentusedspace${module.filter-tags.query_alert} by {resource_group,region,name}
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> ${var.disk_space_threshold_critical}
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EOQ
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thresholds = {
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warning = var.disk_space_threshold_warning
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critical = var.disk_space_threshold_critical
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}
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evaluation_delay = var.evaluation_delay
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new_host_delay = var.new_host_delay
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notify_no_data = false
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renotify_interval = 0
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notify_audit = false
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timeout_h = 1
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include_tags = true
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locked = false
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require_full_window = false
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tags = concat(["env:${var.environment}", "type:cloud", "provider:azure", "resource:virtualmachine", "team:claranet", "created-by:terraform"], var.disk_space_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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@ -18,3 +18,8 @@ output "virtualmachine_ram_reserved_id" {
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value = datadog_monitor.virtualmachine_ram_reserved.*.id
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}
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output "virtualmachine_disk_space_id" {
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description = "id for monitor virtualmachine_disk_space"
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value = datadog_monitor.virtualmachine_disk_space.*.id
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}
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