add options to control to otel resources

cluster/collector-config.yaml

@@ -12,9 +12,9 @@ processors:
     timeout: 30s
     send_batch_size: 800
   memory_limiter:
-    check_interval: 1s
-    limit_percentage: 70
-    spike_limit_percentage: 30
+    check_interval: ${check_interval}
+    limit_percentage: ${limit_percentage}
+    spike_limit_percentage: ${spike_limit_percentage}
   resource/1:
     attributes:
       - key: service.name

cluster/k8s.tf

@@ -374,6 +374,9 @@ resource "kubernetes_config_map" "doit_collector_config" {
         collector_bucket_name      = local.s3_bucket
         collector_bucket_prefix    = "eks-metrics/${local.account_id}/${local.region}/${var.cluster.name}"
         region                     = local.region
+        check_interval             = var.otel_memory_limiter.check_interval
+        limit_percentage           = var.otel_memory_limiter.limit_percentage
+        spike_limit_percentage     = var.otel_memory_limiter.spike_limit_percentage
       }
     )}"
   }
@@ -489,6 +492,11 @@ resource "kubernetes_deployment" "collector" {
             }
           }
 
+          resources {
+            requests = var.otel_resources.requests
+            limits = var.otel_resources.limits
+          }
+
           volume_mount {
             mount_path = "/conf"
             name       = "doit-collector-config"

cluster/variables.tf

@@ -35,3 +35,32 @@ variable "permissions_boundary" {
   description = "If provided, all IAM roles will be created with this permissions boundary attached."
   default     = ""
 }
+
+variable "otel_memory_limiter" {
+  type             = object({
+    check_interval = string
+    limit_percentage: number
+    spike_limit_percentage: number
+
+  })
+  default          = {
+    check_interval: "1s"
+    limit_percentage: 70
+    spike_limit_percentage: 30
+  }
+}
+
+variable "otel_resources" {
+  type = object({
+    limits   = optional(object({
+        cpu    = optional(string)
+        memory = optional(string)
+    }))
+    requests = optional(object({
+        cpu    = optional(string)
+        memory = optional(string)
+    })
+  )})
+
+  default = {}
+}