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MON-402 Add Total connection threshold variables

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This commit is contained in:
Alexandre Gaillet 2019-03-07 23:39:02 +01:00 committed by Quentin Manfroi
parent 2d0e9d33ce
commit 770d87c235
3 changed files with 21 additions and 5 deletions
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6
cloud/azure/mysql/README.md
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@ -22,7 +22,7 @@ Creates DataDog monitors with the following checks:
- Mysql Server IO consumption - Mysql Server IO consumption
- Mysql Server memory usage - Mysql Server memory usage
- Mysql Server storage - Mysql Server storage
- Mysql Server total connection reach 80 percent of the total limit - Mysql Server total connection reach
## Inputs ## Inputs
@ -68,9 +68,11 @@ Creates DataDog monitors with the following checks:
| new\_host\_delay | Delay in seconds before monitor new resource | string | `"300"` | no | | new\_host\_delay | Delay in seconds before monitor new resource | string | `"300"` | no |
| total\_connection\_enabled | Flag to enable Mysql status monitor | string | `"true"` | no | | total\_connection\_enabled | Flag to enable Mysql status monitor | string | `"true"` | no |
| total\_connection\_extra\_tags | Extra tags for Mysql status monitor | list | `[]` | no | | total\_connection\_extra\_tags | Extra tags for Mysql status monitor | list | `[]` | no |
| total\_connection\_limit | Limit for Mysql total connection [See details : https://docs.microsoft.com/en-us/azure/mysql/concepts-limits] | string | `""` | no | | total\_connection\_limit | Limit for Mysql total connection [See details : https://docs.microsoft.com/en-us/azure/mysql/concepts-limits] | string | n/a | yes |
| total\_connection\_message | Custom message for Mysql total connection monitor | string | `""` | no | | total\_connection\_message | Custom message for Mysql total connection monitor | string | `""` | no |
| total\_connection\_silenced | Groups to mute for Mysql total connection monitor | map | `{}` | no | | total\_connection\_silenced | Groups to mute for Mysql total connection monitor | map | `{}` | no |
| total\_connection\_threshold\_critical | Mysql total connection threshold in percent (critical threshold) | string | `"80"` | no |
| total\_connection\_threshold\_warning | Mysql total connection threshold in percent (warning threshold) | string | `"70"` | no |
| total\_connection\_time\_aggregator | Monitor aggregator for Mysql total connection [available values: min, max or avg] | string | `"min"` | no | | total\_connection\_time\_aggregator | Monitor aggregator for Mysql total connection [available values: min, max or avg] | string | `"min"` | no |
| total\_connection\_timeframe | Monitor timeframe for Mysql total connection [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_5m"` | no | | total\_connection\_timeframe | Monitor timeframe for Mysql total connection [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_5m"` | no |

11
cloud/azure/mysql/inputs.tf
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@ -115,7 +115,16 @@ variable "total_connection_timeframe" {
variable "total_connection_limit" { variable "total_connection_limit" {
description = "Limit for Mysql total connection [See details : https://docs.microsoft.com/en-us/azure/mysql/concepts-limits]" description = "Limit for Mysql total connection [See details : https://docs.microsoft.com/en-us/azure/mysql/concepts-limits]"
type = "string" type = "string"
default = "" }
variable "total_connection_threshold_warning" {
description = "Mysql total connection threshold in percent (warning threshold)"
default = "70"
}
variable "total_connection_threshold_critical" {
description = "Mysql total connection threshold in percent (critical threshold)"
default = "80"
} }
variable "free_storage_silenced" { variable "free_storage_silenced" {

9
cloud/azure/mysql/monitors-mysql.tf
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@ -33,17 +33,22 @@ resource "datadog_monitor" "mysql_cpu_usage" {
resource "datadog_monitor" "mysql_total_connection" { resource "datadog_monitor" "mysql_total_connection" {
count = "${var.total_connection_enabled ? 1 : 0}" count = "${var.total_connection_enabled ? 1 : 0}"
name = "[${var.environment}] Mysql Server total connection reach 80 percent of the total limit" name = "[${var.environment}] Mysql Server total connection reach {{#is_alert}} {{threshold}}% ({{value}}%){{/is_alert}}{{#is_warning}} {{warn_threshold}}% ({{value}}%){{/is_warning}} of the total limit"
message = "${coalesce(var.total_connection_message, var.message)}" message = "${coalesce(var.total_connection_message, var.message)}"
query = <<EOF query = <<EOF
${var.total_connection_time_aggregator}(${var.total_connection_timeframe}): ( ${var.total_connection_time_aggregator}(${var.total_connection_timeframe}): (
avg:azure.dbformysql_servers.active_connections${module.filter-tags.query_alert} by {resource_group,region,name} / ${var.total_connection_limit} avg:azure.dbformysql_servers.active_connections${module.filter-tags.query_alert} by {resource_group,region,name} / ${var.total_connection_limit}
) * 100 > 80 ) * 100 > "${var.total_connection_threshold_critical}"
EOF EOF
type = "metric alert" type = "metric alert"
thresholds {
critical = "${var.total_connection_threshold_critical}"
warning = "${var.total_connection_threshold_warning}"
}
silenced = "${var.total_connection_silenced}" silenced = "${var.total_connection_silenced}"
notify_no_data = true notify_no_data = true