From d57c62d148ed72439ecf50c2b4056df337cd182b Mon Sep 17 00:00:00 2001
From: Hayden B <hblauzvern@google.com>
Date: Mon, 18 Sep 2023 09:41:52 -0700
Subject: [PATCH] Remove Cloud SQL memory usage alerts (#767)

Cloud SQL manages its own memory usage and appears to consume all available memory.

Signed-off-by: Hayden B <hblauzvern@google.com>
---
 .../gcp/modules/monitoring/infra/alerts.tf    | 89 -------------------
 1 file changed, 89 deletions(-)

diff --git a/terraform/gcp/modules/monitoring/infra/alerts.tf b/terraform/gcp/modules/monitoring/infra/alerts.tf
index bcdd68a84..0451708da 100644
--- a/terraform/gcp/modules/monitoring/infra/alerts.tf
+++ b/terraform/gcp/modules/monitoring/infra/alerts.tf
@@ -140,95 +140,6 @@ resource "google_monitoring_alert_policy" "cloud_sql_cpu_utilization" {
   project               = var.project_id
 }
 
-
-# Cloud SQL Database Memory Utilization > 80%
-resource "google_monitoring_alert_policy" "cloud_sql_memory_utilization_warning" {
-  # In the absence of data, incident will auto-close in 7 days
-  alert_strategy {
-    auto_close = "604800s"
-  }
-
-  combiner = "OR"
-
-  conditions {
-    condition_threshold {
-      aggregations {
-        alignment_period   = "300s"
-        per_series_aligner = "ALIGN_MEAN"
-      }
-
-      comparison      = "COMPARISON_GT"
-      duration        = "0s"
-      filter          = "metric.type=\"cloudsql.googleapis.com/database/memory/utilization\" resource.type=\"cloudsql_database\""
-      threshold_value = "0.8"
-
-      trigger {
-        count   = "1"
-        percent = "0"
-      }
-    }
-
-    display_name = "Cloud SQL Database - Memory utilization [MEAN]"
-  }
-
-  display_name = "Cloud SQL Database Memory Utilization > 80%"
-
-  documentation {
-    content   = "Cloud SQL Database Memory Utilization is >80%. Please increase memory capacity."
-    mime_type = "text/markdown"
-  }
-
-  enabled               = "true"
-  notification_channels = local.notification_channels
-  project               = var.project_id
-
-  user_labels = {
-    severity = "warning"
-  }
-}
-
-# Cloud SQL Database Memory Utilization > 90%
-resource "google_monitoring_alert_policy" "cloud_sql_memory_utilization" {
-  # In the absence of data, incident will auto-close in 7 days
-  alert_strategy {
-    auto_close = "604800s"
-  }
-
-  combiner = "OR"
-
-  conditions {
-    condition_threshold {
-      aggregations {
-        alignment_period   = "300s"
-        per_series_aligner = "ALIGN_MEAN"
-      }
-
-      comparison      = "COMPARISON_GT"
-      duration        = "0s"
-      filter          = "metric.type=\"cloudsql.googleapis.com/database/memory/utilization\" resource.type=\"cloudsql_database\""
-      threshold_value = "0.9"
-
-      trigger {
-        count   = "1"
-        percent = "0"
-      }
-    }
-
-    display_name = "Cloud SQL Database - Memory utilization [MEAN]"
-  }
-
-  display_name = "Cloud SQL Database Memory Utilization > 90%"
-
-  documentation {
-    content   = "Cloud SQL Database Memory Utilization is >90%. Please increase memory capacity."
-    mime_type = "text/markdown"
-  }
-
-  enabled               = "true"
-  notification_channels = local.notification_channels
-  project               = var.project_id
-}
-
 # Cloud SQL Database Disk has < 20GiB Free
 resource "google_monitoring_alert_policy" "cloud_sql_disk_utilization" {
   # In the absence of data, incident will auto-close in 7 days