feat(alert): add availability alert for payment-requests b2b api (#2787)

Co-authored-by: Simone infante <[email protected]>

src/domains/ecommerce-common/00_alerts.tf

@@ -343,3 +343,40 @@ AzureDiagnostics
     threshold = 2
   }
 }
+
+
+
+resource "azurerm_monitor_scheduled_query_rules_alert" "payment_requests_service_availability" {
+  count = var.env_short == "p" ? 1 : 0
+
+  name                = "payment-requests-service-availability-alert"
+  resource_group_name = azurerm_resource_group.rg_ecommerce_alerts[0].name
+  location            = var.location
+
+  action {
+    action_group           = [data.azurerm_monitor_action_group.email.id, data.azurerm_monitor_action_group.slack.id, azurerm_monitor_action_group.ecommerce_opsgenie[0].id]
+    email_subject          = "[eCommerce] Payment requests service availability less than 99% in the last 30 minutes"
+    custom_webhook_payload = "{}"
+  }
+  data_source_id = data.azurerm_api_management.apim.id
+  description    = "Payment requests service availability less than or equal 99% in the last 30 minutes"
+  enabled        = true
+  query = (<<-QUERY
+AzureDiagnostics
+| where url_s startswith "https://api.platform.pagopa.it/ecommerce/payment-requests-service/v1/payment-requests" and method_s == "GET"
+| summarize
+    Total=count(),
+    Success=countif(responseCode_d < 500 or responseCode_d == 502 or responseCode_d == 504)
+    by Time = bin(TimeGenerated, 15m)
+| extend availability=(toreal(Success) / Total) * 100
+| where availability < 99
+  QUERY
+  )
+  severity    = 1
+  frequency   = 30
+  time_window = 30
+  trigger {
+    operator  = "GreaterThanOrEqual"
+    threshold = 2
+  }
+}

src/domains/ecommerce-common/README.md

@@ -98,6 +98,7 @@
 | [azurerm_monitor_scheduled_query_rules_alert.ecommerce_transactions_service_user_receipts_ko](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/monitor_scheduled_query_rules_alert) | resource |
 | [azurerm_monitor_scheduled_query_rules_alert.ecommerce_transient_enqueue_rate_alert](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/monitor_scheduled_query_rules_alert) | resource |
 | [azurerm_monitor_scheduled_query_rules_alert.ecommerce_user_stats_last_payment_method_put_availability_alert](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/monitor_scheduled_query_rules_alert) | resource |
+| [azurerm_monitor_scheduled_query_rules_alert.payment_requests_service_availability](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/monitor_scheduled_query_rules_alert) | resource |
 | [azurerm_private_dns_a_record.ingress](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/private_dns_a_record) | resource |
 | [azurerm_private_endpoint.storage_deadletter_private_endpoint](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/private_endpoint) | resource |
 | [azurerm_private_endpoint.storage_transient_private_endpoint](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/private_endpoint) | resource |