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Merge branch 'MON-484_Ajust_monitor_Hub_Too_many_d2c_telemetry_ingress_not_sent' into 'master'

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MON-484 "Ajust monitor hub too many d2c telemetry ingress not sent"

See merge request claranet/pt-monitoring/projects/datadog/terraform/monitors!80
This commit is contained in:
Quentin Manfroi 2019-07-26 10:00:32 +02:00
commit cf6fb52c75
3 changed files with 10 additions and 5 deletions
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1
cloud/azure/iothubs/README.md
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@ -128,6 +128,7 @@ Creates DataDog monitors with the following checks:
| too\_many\_d2c\_telemetry\_ingress\_nosent\_enabled | Flag to enable IoT Hub unsent d2c telemetry monitor | string | `"true"` | no | | too\_many\_d2c\_telemetry\_ingress\_nosent\_enabled | Flag to enable IoT Hub unsent d2c telemetry monitor | string | `"true"` | no |
| too\_many\_d2c\_telemetry\_ingress\_nosent\_extra\_tags | Extra tags for IoT Hub unsent d2c telemetry monitor | list(string) | `[]` | no | | too\_many\_d2c\_telemetry\_ingress\_nosent\_extra\_tags | Extra tags for IoT Hub unsent d2c telemetry monitor | list(string) | `[]` | no |
| too\_many\_d2c\_telemetry\_ingress\_nosent\_message | Custom message for IoT Hub unsent d2c telemetry monitor | string | `""` | no | | too\_many\_d2c\_telemetry\_ingress\_nosent\_message | Custom message for IoT Hub unsent d2c telemetry monitor | string | `""` | no |
| too\_many\_d2c\_telemetry\_ingress\_nosent\_threshold\_critical | D2C Telemetry ingress not sent limit (critical threshold) | string | `"0.3"` | no |
| too\_many\_d2c\_telemetry\_ingress\_nosent\_timeframe | Monitor timeframe for IoT Hub unsent d2c telemetry [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_5m"` | no | | too\_many\_d2c\_telemetry\_ingress\_nosent\_timeframe | Monitor timeframe for IoT Hub unsent d2c telemetry [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `"last_5m"` | no |
| total\_devices\_enabled | Flag to enable IoT Hub total devices monitor | string | `"true"` | no | | total\_devices\_enabled | Flag to enable IoT Hub total devices monitor | string | `"true"` | no |
| total\_devices\_extra\_tags | Extra tags for IoT Hub total devices monitor | list(string) | `[]` | no | | total\_devices\_extra\_tags | Extra tags for IoT Hub total devices monitor | list(string) | `[]` | no |

4
cloud/azure/iothubs/inputs.tf
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@ -565,3 +565,7 @@ variable "invalid_d2c_telemetry_egress_rate_threshold_critical" {
default = 90 default = 90
} }
variable "too_many_d2c_telemetry_ingress_nosent_threshold_critical" {
description = "D2C Telemetry ingress not sent limit (critical threshold)"
default = 0.3
}

10
cloud/azure/iothubs/monitors-iothubs.tf
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@ -475,12 +475,13 @@ resource "datadog_monitor" "too_many_d2c_telemetry_ingress_nosent" {
message = coalesce(var.too_many_d2c_telemetry_ingress_nosent_message, var.message) message = coalesce(var.too_many_d2c_telemetry_ingress_nosent_message, var.message)
type = "query alert" type = "query alert"
#For this monitor, the avg is needed to smooth the -1 and +1 that we meet regularly. With just a tiny diff like -1 / + 1, if we put 0.3 it should not ring anymore. But there is a bigger difference (exemple 20) The average will be strongly raised and an alert will be triggered.
query = <<EOQ query = <<EOQ
sum(${var.too_many_d2c_telemetry_ingress_nosent_timeframe}): avg(${var.too_many_d2c_telemetry_ingress_nosent_timeframe}):
default( default(
avg:azure.devices_iothubs.d2c.telemetry.ingress.all_protocol${module.filter-tags.query_alert} by {resource_group,region,name}.as_count() - avg:azure.devices_iothubs.d2c.telemetry.ingress.all_protocol${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate() -
avg:azure.devices_iothubs.d2c.telemetry.ingress.success${module.filter-tags.query_alert} by {resource_group,region,name}.as_count() avg:azure.devices_iothubs.d2c.telemetry.ingress.success${module.filter-tags.query_alert} by {resource_group,region,name}.as_rate()
, 0) > 0 , 0) > ${var.too_many_d2c_telemetry_ingress_nosent_threshold_critical}
EOQ EOQ
evaluation_delay = var.evaluation_delay evaluation_delay = var.evaluation_delay
@ -499,4 +500,3 @@ EOQ
ignore_changes = ["silenced"] ignore_changes = ["silenced"]
} }
} }