Add support for burstable bastion and operator

Author: robo-cap

examples/bastion/vars-bastion.auto.tfvars

@@ -15,8 +15,9 @@ bastion_upgrade             = false          # true/*false
 bastion_user                = "opc"
 
 bastion_shape = {
-  shape            = "VM.Standard.E4.Flex",
-  ocpus            = 1,
-  memory           = 4,
-  boot_volume_size = 50
+  shape                     = "VM.Standard.E4.Flex",
+  ocpus                     = 1,
+  memory                    = 4,
+  boot_volume_size          = 50
+  baseline_ocpu_utilization = "100" # accepted values: 100/50/12.5. Supported only with burstable shapes. 
 }

examples/operator/vars-operator.auto.tfvars

@@ -16,8 +16,9 @@ operator_user                  = "opc"
 operator_volume_kms_key_id     = null
 
 operator_shape = {
-  shape            = "VM.Standard.E4.Flex",
-  ocpus            = 1,
-  memory           = 4,
-  boot_volume_size = 50
+  shape                     = "VM.Standard.E4.Flex",
+  ocpus                     = 1,
+  memory                    = 4,
+  boot_volume_size          = 50
+  baseline_ocpu_utilization = "100" # accepted values: 100/50/12.5. Supported only with burstable shapes. 
 }

modules/bastion/compute.tf

@@ -6,6 +6,13 @@ locals {
   memory           = tonumber(lookup(var.shape, "memory", 4))
   ocpus            = max(1, tonumber(lookup(var.shape, "ocpus", 1)))
   shape            = lookup(var.shape, "shape", "VM.Standard.E4.Flex")
+
+  baseline_ocpu_utilization_map = {
+    "12.5" = "BASELINE_1_8"
+    "50"   = "BASELINE_1_2"
+    "100"  = "BASELINE_1_1"
+  }
+  baseline_ocpu_utilization = lookup(local.baseline_ocpu_utilization_map, lookup(var.shape, "baseline_ocpu_utilization", "100"))
 }
 
 output "id" {
@@ -51,8 +58,9 @@ resource "oci_core_instance" "bastion" {
   dynamic "shape_config" {
     for_each = length(regexall("Flex", local.shape)) > 0 ? [1] : []
     content {
-      ocpus         = local.ocpus
-      memory_in_gbs = (local.memory / local.ocpus) > 64 ? (local.ocpus * 4) : local.memory
+      baseline_ocpu_utilization = local.baseline_ocpu_utilization
+      ocpus                     = local.ocpus
+      memory_in_gbs             = (local.memory / local.ocpus) > 64 ? (local.ocpus * 4) : local.memory
     }
   }
 

modules/operator/compute.tf

@@ -6,6 +6,13 @@ locals {
   memory           = lookup(var.shape, "memory", 4)
   ocpus            = max(1, lookup(var.shape, "ocpus", 1))
   shape            = lookup(var.shape, "shape", "VM.Standard.E4.Flex")
+
+  baseline_ocpu_utilization_map = {
+    "12.5" = "BASELINE_1_8"
+    "50"   = "BASELINE_1_2"
+    "100"  = "BASELINE_1_1"
+  }
+  baseline_ocpu_utilization = lookup(local.baseline_ocpu_utilization_map, lookup(var.shape, "baseline_ocpu_utilization", "100"))
 }
 
 output "id" {
@@ -61,8 +68,9 @@ resource "oci_core_instance" "operator" {
   dynamic "shape_config" {
     for_each = length(regexall("Flex", local.shape)) > 0 ? [1] : []
     content {
-      ocpus         = local.ocpus
-      memory_in_gbs = (local.memory / local.ocpus) > 64 ? (local.ocpus * 4) : local.memory
+      baseline_ocpu_utilization = local.baseline_ocpu_utilization
+      ocpus                     = local.ocpus
+      memory_in_gbs             = (local.memory / local.ocpus) > 64 ? (local.ocpus * 4) : local.memory
     }
   }
 

variables-bastion.tf

@@ -67,12 +67,13 @@ variable "bastion_image_os_version" {
 
 variable "bastion_shape" {
   default = {
-    shape            = "VM.Standard.E4.Flex",
-    ocpus            = 1,
-    memory           = 4,
-    boot_volume_size = 50
+    shape                     = "VM.Standard.E4.Flex",
+    ocpus                     = 1,
+    memory                    = 4,
+    boot_volume_size          = 50,
+    baseline_ocpu_utilization = 100
   }
-  description = "The shape of bastion instance."
+  description = "The shape of bastion instance. Baseline OCPU utilization can be used to provision <a href=https://docs.oracle.com/en-us/iaas/Content/Compute/References/burstable-instances.htm>burstable shapes.</a>"
   type        = map(any)
 }
 

variables-operator.tf

@@ -115,12 +115,13 @@ variable "operator_install_stern" {
 
 variable "operator_shape" {
   default = {
-    shape            = "VM.Standard.E4.Flex",
-    ocpus            = 1,
-    memory           = 4,
-    boot_volume_size = 50
+    shape                     = "VM.Standard.E4.Flex",
+    ocpus                     = 1,
+    memory                    = 4,
+    boot_volume_size          = 50,
+    baseline_ocpu_utilization = 100
   }
-  description = "Shape of the created operator instance."
+  description = "Shape of the created operator instance. Baseline OCPU utilization can be used to provision <a href=https://docs.oracle.com/en-us/iaas/Content/Compute/References/burstable-instances.htm>burstable shapes.</a>"
   type        = map(any)
 }